X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fc_client.py;h=550411e13b2129e9094a5f4d9d0c2ebd935495fe;hb=a187ae85729ec56e46ed0a0453458db18ab731eb;hp=7a27c1f095d93c4fdd8194e3b1f22416fe0baa8d;hpb=aa02096b8e7f94ad3c998a8d5af54963ee860b13;p=free-sw%2Fxcb%2Flibxcb

diff --git a/src/c_client.py b/src/c_client.py
index 7a27c1f..550411e 100644
--- a/src/c_client.py
+++ b/src/c_client.py
@@ -3,8 +3,12 @@ from xml.etree.cElementTree import *
 from os.path import basename
 from functools import reduce
 import getopt
+import os
 import sys
+import errno
+import time
 import re
+import copy
 
 # Jump to the bottom of this file for the main routine
 
@@ -25,24 +29,29 @@ _clines = []
 _clevel = 0
 _ns = None
 
-# global variable to keep track of serializers and 
+# global variable to keep track of serializers and
 # switch data types due to weird dependencies
 finished_serializers = []
 finished_sizeof = []
 finished_switch = []
 
+# keeps enum objects so that we can refer to them when generating manpages.
+enums = {}
+
+manpaths = False
+
 def _h(fmt, *args):
     '''
     Writes the given line to the header file.
     '''
     _hlines[_hlevel].append(fmt % args)
-    
+
 def _c(fmt, *args):
     '''
     Writes the given line to the source file.
     '''
     _clines[_clevel].append(fmt % args)
-    
+
 def _hc(fmt, *args):
     '''
     Writes the given line to both the header and source files.
@@ -50,6 +59,102 @@ def _hc(fmt, *args):
     _h(fmt, *args)
     _c(fmt, *args)
 
+def _c_wr_stringlist(indent, strlist):
+    '''
+    Writes the given list of strings to the source file.
+    Each line is prepended by the indent string
+    '''
+    for str in strlist:
+        _c("%s%s", indent, str)
+
+
+# For pre-code generated by expression generation
+# (for example, the for-loop of a sumof)
+# This has to account for recursiveness of the expression
+# generation, i.e., there may be pre-code for pre-code.
+# Therefore this is implemented as a stack of lists of lines.
+#
+class PreCode:
+    def __init__(self):
+        self.nestingLevel = 0
+        self.tempvars = []
+        self.codelines = []
+        self.redirect_code = None
+        self.redirect_tempvars = None
+        self.indent_str = '    '
+        self.indent_stack = []
+        self.tempvarNum = 0
+
+
+    # start and end of pre-code blocks
+    def start(self):
+        self.nestingLevel += 1
+
+    def end(self):
+        self.nestingLevel -= 1
+        if (self.nestingLevel == 0):
+            # lowest pre-code level is finished -> output to source
+            if self.redirect_tempvars == None:
+                _c_wr_stringlist('', self.tempvars)
+                self.tempvars = []
+            else:
+                self.redirect_tempvars.extend(self.tempvars)
+                self.tempvars = []
+            if self.redirect_code == None:
+                _c_wr_stringlist('', self.codelines)
+                self.codelines = []
+            else:
+                self.redirect_code.extend(self.codelines)
+                self.codelines = []
+
+
+    def output_tempvars(self):
+        if self.redirect_code == None:
+            _c_wr_stringlist('', self.tempvars)
+            self.tempvars = []
+
+    # output to precode
+    def code(self, fmt, *args):
+        self.codelines.append(self.indent_str + fmt % args)
+
+    def tempvar(self, fmt, *args):
+        self.tempvars.append('    ' + (fmt % args))
+
+    # get a unique name for a temporary variable
+    def get_tempvarname(self):
+        self.tempvarNum += 1
+        return "xcb_pre_tmp_%d" % self.tempvarNum
+
+    # indentation
+
+    def push_indent(self, indentstr):
+        self.indent_stack.append(self.indent_str)
+        self.indent_str = indentstr
+
+    def push_addindent(self, indent_add_str):
+        self.push_indent(self.indent_str + indent_add_str)
+
+    def indent(self):
+        self.push_addindent('    ')
+
+    def pop_indent(self):
+        self.indent_str = self.indent_stack.pop()
+
+    # redirection to lists
+    def redirect_start(self, redirectCode, redirectTempvars = None):
+        self.redirect_code = redirectCode
+        self.redirect_tempvars = redirectTempvars
+        if redirectTempvars != None:
+            self.tempvarNum = 0
+
+    def redirect_end(self):
+        self.redirect_code = None
+        self.redirect_tempvars = None
+
+# global PreCode handler
+_c_pre = PreCode()
+
+
 # XXX See if this level thing is really necessary.
 def _h_setlevel(idx):
     '''
@@ -60,7 +165,7 @@ def _h_setlevel(idx):
     while len(_hlines) <= idx:
         _hlines.append([])
     _hlevel = idx
-    
+
 def _c_setlevel(idx):
     '''
     Changes the array that source lines are written to.
@@ -70,7 +175,7 @@ def _c_setlevel(idx):
     while len(_clines) <= idx:
         _clines.append([])
     _clevel = idx
-    
+
 def _n_item(str):
     '''
     Does C-name conversion on a single string fragment.
@@ -82,7 +187,7 @@ def _n_item(str):
         split = _cname_re.finditer(str)
         name_parts = [match.group(0) for match in split]
         return '_'.join(name_parts)
-    
+
 def _cpp(str):
     '''
     Checks for certain C++ reserved words and fixes them.
@@ -103,7 +208,7 @@ def _ext(str):
         return _n_item(str).lower()
     else:
         return str.lower()
-    
+
 def _n(list):
     '''
     Does C-name conversion on a tuple of strings.
@@ -134,7 +239,7 @@ def _t(list):
     else:
         parts = [list[0]] + [_n_item(i) for i in list[1:]] + ['t']
     return '_'.join(parts).lower()
-        
+
 
 def c_open(self):
     '''
@@ -168,15 +273,21 @@ def c_open(self):
     _h('')
     _h('#include "xcb.h"')
 
+    _c('#ifdef HAVE_CONFIG_H')
+    _c('#include "config.h"')
+    _c('#endif')
     _c('#include <stdlib.h>')
     _c('#include <string.h>')
     _c('#include <assert.h>')
     _c('#include <stddef.h>  /* for offsetof() */')
     _c('#include "xcbext.h"')
     _c('#include "%s.h"', _ns.header)
-        
+
+    _c('')
+    _c('#define ALIGNOF(type) offsetof(struct { char dummy; type member; }, member)')
+
     if _ns.is_ext:
-        for (n, h) in self.imports:
+        for (n, h) in self.direct_imports:
             _hc('#include "%s.h"', h)
 
     _h('')
@@ -184,14 +295,11 @@ def c_open(self):
     _h('extern "C" {')
     _h('#endif')
 
-    _h('')
-    _h('#define ALIGNOF(type) offsetof(struct { char dummy; type member; }, member)')
-
     if _ns.is_ext:
         _h('')
         _h('#define XCB_%s_MAJOR_VERSION %s', _ns.ext_name.upper(), _ns.major_version)
         _h('#define XCB_%s_MINOR_VERSION %s', _ns.ext_name.upper(), _ns.minor_version)
-        _h('  ') #XXX
+        _h('') #XXX
         _h('extern xcb_extension_t %s;', _ns.c_ext_global_name)
 
         _c('')
@@ -247,6 +355,8 @@ def c_enum(self, name):
     Exported function that handles enum declarations.
     '''
 
+    enums[name] = self
+
     tname = _t(name)
     if namecount[tname] > 1:
         tname = _t(name + ('enum',))
@@ -261,7 +371,10 @@ def c_enum(self, name):
         count = count - 1
         equals = ' = ' if eval != '' else ''
         comma = ',' if count > 0 else ''
-        _h('    %s%s%s%s', _n(name + (enam,)).upper(), equals, eval, comma)
+        doc = ''
+        if hasattr(self, "doc") and self.doc and enam in self.doc.fields:
+            doc = '\n/**< %s */\n' % self.doc.fields[enam]
+        _h('    %s%s%s%s%s', _n(name + (enam,)).upper(), equals, eval, comma, doc)
 
     _h('} %s;', tname)
 
@@ -287,10 +400,11 @@ def _c_type_setup(self, name, postfix):
     self.c_reply_name = _n(name + ('reply',))
     self.c_reply_type = _t(name + ('reply',))
     self.c_cookie_type = _t(name + ('cookie',))
+    self.c_reply_fds_name = _n(name + ('reply_fds',))
 
-    self.need_aux = False
-    self.need_serialize = False
-    self.need_sizeof = False
+    self.c_need_aux = False
+    self.c_need_serialize = False
+    self.c_need_sizeof = False
 
     self.c_aux_name = _n(name + ('aux',))
     self.c_aux_checked_name = _n(name + ('aux', 'checked'))
@@ -301,10 +415,10 @@ def _c_type_setup(self, name, postfix):
     self.c_sizeof_name = _n(name + ('sizeof',))
 
     # special case: structs where variable size fields are followed by fixed size fields
-    self.var_followed_by_fixed_fields = False
+    self.c_var_followed_by_fixed_fields = False
 
     if self.is_switch:
-        self.need_serialize = True
+        self.c_need_serialize = True
         self.c_container = 'struct'
         for bitcase in self.bitcases:
             bitcase.c_field_name = _cpp(bitcase.field_name)
@@ -319,12 +433,6 @@ def _c_type_setup(self, name, postfix):
         first_field_after_varsized = None
 
         for field in self.fields:
-            _c_type_setup(field.type, field.field_type, ())
-            if field.type.is_list:
-                _c_type_setup(field.type.member, field.field_type, ())
-                if (field.type.nmemb is None): 
-                    self.need_sizeof = True
-
             field.c_field_type = _t(field.field_type)
             field.c_field_const_type = ('' if field.type.nmemb == 1 else 'const ') + field.c_field_type
             field.c_field_name = _cpp(field.field_name)
@@ -340,9 +448,10 @@ def _c_type_setup(self, name, postfix):
             if field.type.is_switch:
                 field.c_pointer = '*'
                 field.c_field_const_type = 'const ' + field.c_field_type
-                self.need_aux = True
-            elif not field.type.fixed_size() and not field.type.is_bitcase:
-                self.need_sizeof = True
+                self.c_need_aux = True
+
+            if not field.type.fixed_size() and not field.type.is_case_or_bitcase:
+                self.c_need_sizeof = True
 
             field.c_iterator_type = _t(field.field_type + ('iterator',))      # xcb_fieldtype_iterator_t
             field.c_iterator_name = _n(name + (field.field_name, 'iterator')) # xcb_container_field_iterator
@@ -362,22 +471,33 @@ def _c_type_setup(self, name, postfix):
                 # special case: intermixed fixed and variable size fields
                 if prev_varsized_field is not None and not field.type.is_pad and field.wire:
                     if not self.is_union:
-                        self.need_serialize = True
-                        self.var_followed_by_fixed_fields = True
+                        self.c_need_serialize = True
+                        self.c_var_followed_by_fixed_fields = True
             else:
                 self.last_varsized_field = field
                 prev_varsized_field = field
-                prev_varsized_offset = 0                    
+                prev_varsized_offset = 0
 
-            if self.var_followed_by_fixed_fields:
+            if self.c_var_followed_by_fixed_fields:
                 if field.type.fixed_size():
                     field.prev_varsized_field = None
-                            
-    if self.need_serialize:
-        # when _unserialize() is wanted, create _sizeof() as well for consistency reasons 
-        self.need_sizeof = True
 
-    # as switch does never appear at toplevel, 
+            # recurse into this field
+            # this has to be done here, i.e., after the field has been set up
+            # Otherwise the function _c_helper_fieldaccess_expr
+            # will produce garbage or crash
+            _c_type_setup(field.type, field.field_type, ())
+            if field.type.is_list:
+                _c_type_setup(field.type.member, field.field_type, ())
+                if (field.type.nmemb is None):
+                    self.c_need_sizeof = True
+
+
+    if self.c_need_serialize:
+        # when _unserialize() is wanted, create _sizeof() as well for consistency reasons
+        self.c_need_sizeof = True
+
+    # as switch does never appear at toplevel,
     # continue here with type construction
     if self.is_switch:
         if self.c_type not in finished_switch:
@@ -387,11 +507,11 @@ def _c_type_setup(self, name, postfix):
             for bitcase in self.bitcases:
                 bitcase_name = bitcase.type.name if bitcase.type.has_name else name
                 _c_accessors(bitcase.type, bitcase_name, bitcase_name)
-                # no list with switch as element, so no call to 
+                # no list with switch as element, so no call to
                 # _c_iterator(field.type, field_name) necessary
 
-    if not self.is_bitcase:
-        if self.need_serialize:
+    if not self.is_case_or_bitcase:
+        if self.c_need_serialize:
             if self.c_serialize_name not in finished_serializers:
                 finished_serializers.append(self.c_serialize_name)
                 _c_serialize('serialize', self)
@@ -399,36 +519,89 @@ def _c_type_setup(self, name, postfix):
                 # _unpack() and _unserialize() are only needed for special cases:
                 #   switch -> unpack
                 #   special cases -> unserialize
-                if self.is_switch or self.var_followed_by_fixed_fields:
+                if self.is_switch or self.c_var_followed_by_fixed_fields:
                     _c_serialize('unserialize', self)
-                    
-        if self.need_sizeof:
+
+        if self.c_need_sizeof:
             if self.c_sizeof_name not in finished_sizeof:
                 if not module.namespace.is_ext or self.name[:2] == module.namespace.prefix:
                     finished_sizeof.append(self.c_sizeof_name)
                     _c_serialize('sizeof', self)
 # _c_type_setup()
 
-def _c_helper_absolute_name(prefix, field=None):
+# Functions for querying field properties
+def _c_field_needs_list_accessor(field):
+    return field.type.is_list and not field.type.fixed_size()
+
+def _c_field_needs_field_accessor(field):
+    if field.type.is_list:
+        return False
+    else:
+        return (
+            field.prev_varsized_field is not None
+            or not field.type.fixed_size()
+        )
+
+def _c_field_needs_accessor(field):
+    return (
+        _c_field_needs_list_accessor(field)
+        or
+        _c_field_needs_field_accessor(field)
+    )
+
+def _c_field_is_member_of_case_or_bitcase(field):
+    if field.parent is None:
+        return False
+    elif field.parent.is_case_or_bitcase:
+        return True
+    else:
+        return False
+
+# end of Functions for querying field properties
+
+def _c_helper_fieldaccess_expr(prefix, field=None):
     """
     turn prefix, which is a list of tuples (name, separator, Type obj) into a string
-    representing a valid name in C (based on the context)
-    if field is not None, append the field name as well
+    representing a valid field-access-expression in C (based on the context)
+    if field is not None, append access to the field as well.
+
+    "separator" is one of the C-operators "." or "->".
+
+    A field access expression can consist of the following components:
+    * struct/union member access from a value with the "."-operator
+    * struct/union member access from a pointer with "->"-operator
+    * function-call of an accessor function:
+      This is used when a xcb-field is not contained in a struct.
+      This can, e.g., happen for fields after var-sized fields, etc.
     """
     prefix_str = ''
+    last_sep =''
     for name, sep, obj in prefix:
-        prefix_str += name
-        if '' == sep:
-            sep = '->'
-            if ((obj.is_bitcase and obj.has_name) or     # named bitcase
-                (obj.is_switch and len(obj.parents)>1)):
-                sep = '.'
-        prefix_str += sep
-    if field is not None:
-        prefix_str += _cpp(field.field_name)
+        prefix_str += last_sep + name
+        last_sep = sep
+
+    if field is None:
+        # add separator for access to a yet unknown field
+        prefix_str += last_sep
+    else:
+        if _c_field_needs_accessor(field):
+            if _c_field_is_member_of_case_or_bitcase(field):
+                # case members are available in the deserialized struct,
+                # so there is no need to use the accessor function
+                # (also, their accessor function needs a different arglist
+                # so this would require special treatment here)
+                # Therefore: Access as struct member
+                prefix_str += last_sep + _cpp(field.field_name)
+            else:
+                # Access with the accessor function
+                prefix_str = field.c_accessor_name + "(" + prefix_str + ")"
+        else:
+            # Access as struct member
+            prefix_str += last_sep + _cpp(field.field_name)
+
     return prefix_str
 # _c_absolute_name
-    
+
 def _c_helper_field_mapping(complex_type, prefix, flat=False):
     """
     generate absolute names, based on prefix, for all fields starting from complex_type
@@ -441,19 +614,19 @@ def _c_helper_field_mapping(complex_type, prefix, flat=False):
                 switch_name, switch_sep, switch_type = prefix[-1]
                 bitcase_prefix = prefix + [(b.type.name[-1], '.', b.type)]
             else:
-                bitcase_prefix = prefix 
+                bitcase_prefix = prefix
 
             if (True==flat and not b.type.has_name) or False==flat:
                 all_fields.update(_c_helper_field_mapping(b.type, bitcase_prefix, flat))
     else:
         for f in complex_type.fields:
-            fname = _c_helper_absolute_name(prefix, f)
+            fname = _c_helper_fieldaccess_expr(prefix, f)
             if f.field_name in all_fields:
                 raise Exception("field name %s has been registered before" % f.field_name)
 
             all_fields[f.field_name] = (fname, f)
             if f.type.is_container and flat==False:
-                if f.type.is_bitcase and not f.type.has_name:
+                if f.type.is_case_or_bitcase and not f.type.has_name:
                     new_prefix = prefix
                 elif f.type.is_switch and len(f.type.parents)>1:
                     # nested switch gets another separator
@@ -476,10 +649,10 @@ def _c_helper_resolve_field_names (prefix):
         name, sep, obj = p
         if ''==sep:
             # sep can be preset in prefix, if not, make a sensible guess
-            sep = '.' if (obj.is_switch or obj.is_bitcase) else '->'
+            sep = '.' if (obj.is_switch or obj.is_case_or_bitcase) else '->'
             # exception: 'toplevel' object (switch as well!) always have sep '->'
             sep = '->' if idx<1 else sep
-        if not obj.is_bitcase or (obj.is_bitcase and obj.has_name):
+        if not obj.is_case_or_bitcase or (obj.is_case_or_bitcase and obj.has_name):
             tmp_prefix.append((name, sep, obj))
         all_fields.update(_c_helper_field_mapping(obj, tmp_prefix, flat=True))
 
@@ -488,7 +661,7 @@ def _c_helper_resolve_field_names (prefix):
 
 def get_expr_fields(self):
     """
-    get the Fields referenced by switch or list expression 
+    get the Fields referenced by switch or list expression
     """
     def get_expr_field_names(expr):
         if expr.op is None:
@@ -503,7 +676,7 @@ def get_expr_fields(self):
             elif expr.op == 'popcount':
                 return get_expr_field_names(expr.rhs)
             elif expr.op == 'sumof':
-                # sumof expr references another list, 
+                # sumof expr references another list,
                 # we need that list's length field here
                 field = None
                 for f in expr.lenfield_parent.fields:
@@ -519,7 +692,7 @@ def get_expr_fields(self):
             else:
                 return get_expr_field_names(expr.lhs) + get_expr_field_names(expr.rhs)
     # get_expr_field_names()
-    
+
     # resolve the field names with the parent structure(s)
     unresolved_fields_names = get_expr_field_names(self.expr)
 
@@ -532,7 +705,7 @@ def get_expr_fields(self):
     resolved_fields_names = list(filter(lambda x: x in all_fields.keys(), unresolved_fields_names))
     if len(unresolved_fields_names) != len(resolved_fields_names):
         raise Exception("could not resolve all fields for %s" % self.name)
-    
+
     resolved_fields = [all_fields[n][1] for n in resolved_fields_names]
     return resolved_fields
 # get_expr_fields()
@@ -559,13 +732,13 @@ def resolve_expr_fields(complex_obj):
             unresolved.append(e)
     return unresolved
 # resolve_expr_fields()
-            
+
 def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
     """
     functions like _serialize(), _unserialize(), and _unpack() sometimes need additional parameters:
-    E.g. in order to unpack switch, extra parameters might be needed to evaluate the switch 
-    expression. This function tries to resolve all fields within a structure, and returns the 
-    unresolved fields as the list of external parameters. 
+    E.g. in order to unpack switch, extra parameters might be needed to evaluate the switch
+    expression. This function tries to resolve all fields within a structure, and returns the
+    unresolved fields as the list of external parameters.
     """
     def add_param(params, param):
         if param not in params:
@@ -584,9 +757,9 @@ def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
                 # field in the xcb_out structure
                 wire_fields.append(field)
         # fields like 'pad0' are skipped!
-               
+
     # in case of switch, parameters always contain any fields referenced in the switch expr
-    # we do not need any variable size fields here, as the switch data type contains both 
+    # we do not need any variable size fields here, as the switch data type contains both
     # fixed and variable size fields
     if self.is_switch:
         param_fields = get_expr_fields(self)
@@ -594,7 +767,7 @@ def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
     # _serialize()/_unserialize()/_unpack() function parameters
     # note: don't use set() for params, it is unsorted
     params = []
-    
+
     # 1. the parameter for the void * buffer
     if  'serialize' == context:
         params.append(('void', '**', buffer_var))
@@ -611,25 +784,25 @@ def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
     for p in param_fields:
         if self.is_switch:
             typespec = p.c_field_const_type
-            pointerspec = p.c_pointer 
+            pointerspec = p.c_pointer
             add_param(params, (typespec, pointerspec, p.c_field_name))
         else:
             if p.visible and not p.wire and not p.auto:
                 typespec = p.c_field_type
                 pointerspec = ''
                 add_param(params, (typespec, pointerspec, p.c_field_name))
-  
+
     # 4. aux argument
     if 'serialize' == context:
         add_param(params, ('const %s' % self.c_type, '*', aux_var))
-    elif 'unserialize' == context: 
+    elif 'unserialize' == context:
         add_param(params, ('%s' % self.c_type, '**', aux_var))
     elif 'unpack' == context:
         add_param(params, ('%s' % self.c_type, '*', aux_var))
 
     # 5. switch contains all variable size fields as struct members
     #    for other data types though, these have to be supplied separately
-    #    this is important for the special case of intermixed fixed and 
+    #    this is important for the special case of intermixed fixed and
     #    variable size fields
     if not self.is_switch and 'serialize' == context:
         for p in param_fields:
@@ -639,9 +812,15 @@ def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
     return (param_fields, wire_fields, params)
 # get_serialize_params()
 
-def _c_serialize_helper_insert_padding(context, code_lines, space, postpone):
+def _c_serialize_helper_insert_padding(context, code_lines, space, postpone, is_case_or_bitcase):
     code_lines.append('%s    /* insert padding */' % space)
-    code_lines.append('%s    xcb_pad = -xcb_block_len & (xcb_align_to - 1);' % space)
+    if is_case_or_bitcase:
+        code_lines.append(
+            '%s    xcb_pad = -(xcb_block_len + xcb_padding_offset) & (xcb_align_to - 1);'
+            % space)
+    else:
+        code_lines.append(
+            '%s    xcb_pad = -xcb_block_len & (xcb_align_to - 1);' % space)
 #    code_lines.append('%s    printf("automatically inserting padding: %%%%d\\n", xcb_pad);' % space)
     code_lines.append('%s    xcb_buffer_len += xcb_block_len + xcb_pad;' % space)
 
@@ -657,33 +836,56 @@ def _c_serialize_helper_insert_padding(context, code_lines, space, postpone):
 
         code_lines.append('%s        xcb_pad = 0;' % space)
         code_lines.append('%s    }' % space)
-        
+
     code_lines.append('%s    xcb_block_len = 0;' % space)
+    if is_case_or_bitcase:
+        code_lines.append('%s    xcb_padding_offset = 0;' % space)
 
     # keep tracking of xcb_parts entries for serialize
     return 1
 # _c_serialize_helper_insert_padding()
 
-def _c_serialize_helper_switch(context, self, complex_name, 
-                               code_lines, temp_vars, 
+def _c_serialize_helper_switch(context, self, complex_name,
+                               code_lines, temp_vars,
                                space, prefix):
     count = 0
     switch_expr = _c_accessor_get_expr(self.expr, None)
 
-    for b in self.bitcases:            
-        bitcase_expr = _c_accessor_get_expr(b.type.expr, None)
-        code_lines.append('    if(%s & %s) {' % (switch_expr, bitcase_expr))
-#        code_lines.append('        printf("switch %s: entering bitcase section %s (mask=%%%%d)...\\n", %s);' % 
-#                          (self.name[-1], b.type.name[-1], bitcase_expr))
+    for b in self.bitcases:
+        len_expr = len(b.type.expr)
+
+        compare_operator = '&'
+        if b.type.is_case:
+            compare_operator = '=='
+        else:
+            compare_operator = '&'
+
+        for n, expr in enumerate(b.type.expr):
+            bitcase_expr = _c_accessor_get_expr(expr, None)
+            # only one <enumref> in the <bitcase>
+            if len_expr == 1:
+                code_lines.append(
+                    '    if(%s %s %s) {' % (switch_expr, compare_operator, bitcase_expr))
+            # multiple <enumref> in the <bitcase>
+            elif n == 0: # first
+                code_lines.append(
+                    '    if((%s %s %s) ||' % (switch_expr, compare_operator, bitcase_expr))
+            elif len_expr == (n + 1): # last
+                code_lines.append(
+                    '       (%s %s %s)) {' % (switch_expr, compare_operator, bitcase_expr))
+            else: # between first and last
+                code_lines.append(
+                    '       (%s %s %s) ||' % (switch_expr, compare_operator, bitcase_expr))
+
         b_prefix = prefix
         if b.type.has_name:
             b_prefix = prefix + [(b.c_field_name, '.', b.type)]
-            
-        count += _c_serialize_helper_fields(context, b.type, 
-                                            code_lines, temp_vars, 
-                                            "%s    " % space, 
-                                            b_prefix, 
-                                            is_bitcase = True)
+
+        count += _c_serialize_helper_fields(context, b.type,
+                                            code_lines, temp_vars,
+                                            "%s    " % space,
+                                            b_prefix,
+                                            is_case_or_bitcase = True)
         code_lines.append('    }')
 
 #    if 'serialize' == context:
@@ -692,7 +894,7 @@ def _c_serialize_helper_switch(context, self, complex_name,
 #        # padding
 #        code_lines.append('%s    xcb_pad = -xcb_block_len & 3;' % space)
 #        code_lines.append('%s    xcb_buffer_len += xcb_block_len + xcb_pad;' % space)
-   
+
     return count
 # _c_serialize_helper_switch
 
@@ -703,12 +905,12 @@ def _c_serialize_helper_switch_field(context, self, field, c_switch_variable, pr
     # switch is handled by this function as a special case
     param_fields, wire_fields, params = get_serialize_params(context, self)
     field_mapping = _c_helper_field_mapping(self, prefix)
-    prefix_str = _c_helper_absolute_name(prefix)
+    prefix_str = _c_helper_fieldaccess_expr(prefix)
 
     # find the parameters that need to be passed to _serialize()/_unpack():
     # all switch expr fields must be given as parameters
     args = get_expr_fields(field.type)
-    # length fields for variable size types in switch, normally only some of need 
+    # length fields for variable size types in switch, normally only some of need
     # need to be passed as parameters
     switch_len_fields = resolve_expr_fields(field.type)
 
@@ -718,7 +920,7 @@ def _c_serialize_helper_switch_field(context, self, field, c_switch_variable, pr
     if len(bitcase_unresolved) != 0:
         raise Exception('unresolved fields within bitcase is not supported at this point')
 
-    # get the C names for the parameters  
+    # get the C names for the parameters
     c_field_names = ''
     for a in switch_len_fields:
         c_field_names += "%s, " % field_mapping[a.c_field_name][0]
@@ -728,39 +930,43 @@ def _c_serialize_helper_switch_field(context, self, field, c_switch_variable, pr
     # call _serialize()/_unpack() to determine the actual size
     if 'serialize' == context:
         length = "%s(&%s, %s&%s%s)" % (field.type.c_serialize_name, c_switch_variable,
-                                       c_field_names, prefix_str, field.c_field_name) 
+                                       c_field_names, prefix_str, field.c_field_name)
     elif context in ('unserialize', 'unpack'):
-        length = "%s(xcb_tmp, %s&%s%s)" % (field.type.c_unpack_name, 
+        length = "%s(xcb_tmp, %s&%s%s)" % (field.type.c_unpack_name,
                                            c_field_names, prefix_str, field.c_field_name)
+    elif 'sizeof' == context:
+        # remove trailing ", " from c_field_names because it will be used at end of arglist
+        my_c_field_names = c_field_names[:-2]
+        length = "%s(xcb_tmp, %s)" % (field.type.c_sizeof_name, my_c_field_names)
 
     return length
 # _c_serialize_helper_switch_field()
 
-def _c_serialize_helper_list_field(context, self, field, 
-                                   code_lines, temp_vars, 
+def _c_serialize_helper_list_field(context, self, field,
+                                   code_lines, temp_vars,
                                    space, prefix):
     """
     helper function to cope with lists of variable length
     """
     expr = field.type.expr
-    prefix_str = _c_helper_absolute_name(prefix)
+    prefix_str = _c_helper_fieldaccess_expr(prefix)
     param_fields, wire_fields, params = get_serialize_params('sizeof', self)
     param_names = [p[2] for p in params]
-    
+
     expr_fields_names = [f.field_name for f in get_expr_fields(field.type)]
     resolved = list(filter(lambda x: x in param_names, expr_fields_names))
     unresolved = list(filter(lambda x: x not in param_names, expr_fields_names))
-    
+
     field_mapping = {}
     for r in resolved:
         field_mapping[r] = (r, None)
-    
+
     if len(unresolved)>0:
         tmp_prefix = prefix
         if len(tmp_prefix)==0:
-            raise Exception("found an empty prefix while resolving expr field names for list %s", 
-                            field.c_field_name)        
-        
+            raise Exception("found an empty prefix while resolving expr field names for list %s",
+                            field.c_field_name)
+
         field_mapping.update(_c_helper_resolve_field_names(prefix))
         resolved += list(filter(lambda x: x in field_mapping, unresolved))
         unresolved = list(filter(lambda x: x not in field_mapping, unresolved))
@@ -772,7 +978,7 @@ def _c_serialize_helper_list_field(context, self, field,
     # default: list with fixed size elements
     length = '%s * sizeof(%s)' % (list_length, field.type.member.c_wiretype)
 
-    # list with variable-sized elements 
+    # list with variable-sized elements
     if not field.type.member.fixed_size():
         length = ''
         if context in ('unserialize', 'sizeof', 'unpack'):
@@ -785,12 +991,12 @@ def _c_serialize_helper_list_field(context, self, field,
             # loop over all list elements and call sizeof repeatedly
             # this should be a bit faster than using the iterators
             code_lines.append("%s    for(i=0; i<%s; i++) {" % (space, list_length))
-            code_lines.append("%s        xcb_tmp_len = %s(xcb_tmp);" % 
+            code_lines.append("%s        xcb_tmp_len = %s(xcb_tmp);" %
                               (space, field.type.c_sizeof_name))
             code_lines.append("%s        xcb_block_len += xcb_tmp_len;" % space)
             code_lines.append("%s        xcb_tmp += xcb_tmp_len;" % space)
-            code_lines.append("%s    }" % space)                  
-      
+            code_lines.append("%s    }" % space)
+
         elif 'serialize' == context:
             code_lines.append('%s    xcb_parts[xcb_parts_idx].iov_len = 0;' % space)
             code_lines.append('%s    xcb_tmp = (char *) %s%s;' % (space, prefix_str, field.c_field_name))
@@ -799,52 +1005,56 @@ def _c_serialize_helper_list_field(context, self, field,
             code_lines.append('%s        xcb_parts[xcb_parts_idx].iov_len += xcb_block_len;' % space)
             code_lines.append('%s    }' % space)
             code_lines.append('%s    xcb_block_len = xcb_parts[xcb_parts_idx].iov_len;' % space)
-            
+
     return length
 # _c_serialize_helper_list_field()
 
-def _c_serialize_helper_fields_fixed_size(context, self, field, 
-                                          code_lines, temp_vars, 
+def _c_serialize_helper_fields_fixed_size(context, self, field,
+                                          code_lines, temp_vars,
                                           space, prefix):
     # keep the C code a bit more readable by giving the field name
-    if not self.is_bitcase:
+    if not self.is_case_or_bitcase:
         code_lines.append('%s    /* %s.%s */' % (space, self.c_type, field.c_field_name))
     else:
         scoped_name = [p[2].c_type if idx==0 else p[0] for idx, p in enumerate(prefix)]
         typename = reduce(lambda x,y: "%s.%s" % (x, y), scoped_name)
         code_lines.append('%s    /* %s.%s */' % (space, typename, field.c_field_name))
 
-    abs_field_name = _c_helper_absolute_name(prefix, field)
+    abs_field_name = _c_helper_fieldaccess_expr(prefix, field)
     # default for simple cases: call sizeof()
     length = "sizeof(%s)" % field.c_field_type
 
     if context in ('unserialize', 'unpack', 'sizeof'):
         # default: simple cast
-        value = '    %s = *(%s *)xcb_tmp;' % (abs_field_name, field.c_field_type) 
-        
+        value = '    %s = *(%s *)xcb_tmp;' % (abs_field_name, field.c_field_type)
+
         # padding - we could probably just ignore it
         if field.type.is_pad and field.type.nmemb > 1:
             value = ''
             for i in range(field.type.nmemb):
-                code_lines.append('%s    %s[%d] = *(%s *)xcb_tmp;' % 
-                                  (space, abs_field_name, i, field.c_field_type)) 
+                code_lines.append('%s    %s[%d] = *(%s *)xcb_tmp;' %
+                                  (space, abs_field_name, i, field.c_field_type))
             # total padding = sizeof(pad0) * nmemb
             length += " * %d" % field.type.nmemb
 
-        if field.type.is_list:
-            # no such case in the protocol, cannot be tested and therefore ignored for now
-            raise Exception('list with fixed number of elemens unhandled in _unserialize()')
+        elif field.type.is_list:
+            # list with fixed number of elements
+            # length of array = sizeof(arrayElementType) * nmemb
+            length += " * %d" % field.type.nmemb
+            # use memcpy because C cannot assign whole arrays with operator=
+            value = '    memcpy(%s, xcb_tmp, %s);' % (abs_field_name, length)
+
 
     elif 'serialize' == context:
-        value = '    xcb_parts[xcb_parts_idx].iov_base = (char *) ' 
+        value = '    xcb_parts[xcb_parts_idx].iov_base = (char *) '
 
         if field.type.is_expr:
             # need to register a temporary variable for the expression in case we know its type
             if field.type.c_type is None:
-                raise Exception("type for field '%s' (expression '%s') unkown" % 
+                raise Exception("type for field '%s' (expression '%s') unkown" %
                                 (field.field_name, _c_accessor_get_expr(field.type.expr)))
-            
-            temp_vars.append('    %s xcb_expr_%s = %s;' % (field.type.c_type, _cpp(field.field_name), 
+
+            temp_vars.append('    %s xcb_expr_%s = %s;' % (field.type.c_type, _cpp(field.field_name),
                                                            _c_accessor_get_expr(field.type.expr, prefix)))
             value += "&xcb_expr_%s;" % _cpp(field.field_name)
 
@@ -869,25 +1079,25 @@ def _c_serialize_helper_fields_fixed_size(context, self, field,
     return (value, length)
 # _c_serialize_helper_fields_fixed_size()
 
-def _c_serialize_helper_fields_variable_size(context, self, field, 
-                                             code_lines, temp_vars, 
+def _c_serialize_helper_fields_variable_size(context, self, field,
+                                             code_lines, temp_vars,
                                              space, prefix):
-    prefix_str = _c_helper_absolute_name(prefix)
+    prefix_str = _c_helper_fieldaccess_expr(prefix)
 
     if context in ('unserialize', 'unpack', 'sizeof'):
         value = ''
         var_field_name = 'xcb_tmp'
-        
+
         # special case: intermixed fixed and variable size fields
-        if self.var_followed_by_fixed_fields and 'unserialize' == context:
+        if self.c_var_followed_by_fixed_fields and 'unserialize' == context:
             value = '    %s = (%s *)xcb_tmp;' % (field.c_field_name, field.c_field_type)
             temp_vars.append('    %s *%s;' % (field.type.c_type, field.c_field_name))
         # special case: switch
         if 'unpack' == context:
             value = '    %s%s = (%s *)xcb_tmp;' % (prefix_str, field.c_field_name, field.c_field_type)
-            
+
     elif 'serialize' == context:
-        # variable size fields appear as parameters to _serialize() if the 
+        # variable size fields appear as parameters to _serialize() if the
         # 'toplevel' container is not a switch
         prefix_string = prefix_str if prefix[0][2].is_switch else ''
         var_field_name = "%s%s" % (prefix_string, field.c_field_name)
@@ -902,19 +1112,19 @@ def _c_serialize_helper_fields_variable_size(context, self, field,
             # in any context, list is already a pointer, so the default assignment is ok
             code_lines.append("%s%s" % (space, value))
             value = ''
-        length = _c_serialize_helper_list_field(context, self, field, 
-                                                code_lines, temp_vars, 
+        length = _c_serialize_helper_list_field(context, self, field,
+                                                code_lines, temp_vars,
                                                 space, prefix)
-        
+
     elif field.type.is_switch:
         value = ''
         if context == 'serialize':
             # the _serialize() function allocates the correct amount memory if given a NULL pointer
             value = '    xcb_parts[xcb_parts_idx].iov_base = (char *)0;'
-        length = _c_serialize_helper_switch_field(context, self, field, 
-                                                  'xcb_parts[xcb_parts_idx].iov_base', 
+        length = _c_serialize_helper_switch_field(context, self, field,
+                                                  'xcb_parts[xcb_parts_idx].iov_base',
                                                   prefix)
-        
+
     else:
         # in all remaining special cases - call _sizeof()
         length = "%s(%s)" % (field.type.c_sizeof_name, var_field_name)
@@ -922,65 +1132,76 @@ def _c_serialize_helper_fields_variable_size(context, self, field,
     return (value, length)
 # _c_serialize_helper_fields_variable_size
 
-def _c_serialize_helper_fields(context, self, 
-                               code_lines, temp_vars, 
-                               space, prefix, is_bitcase):
+def _c_serialize_helper_fields(context, self,
+                               code_lines, temp_vars,
+                               space, prefix, is_case_or_bitcase):
     count = 0
     need_padding = False
     prev_field_was_variable = False
 
+    _c_pre.push_indent(space + '    ')
+
     for field in self.fields:
         if not field.visible:
             if not ((field.wire and not field.auto) or 'unserialize' == context):
                 continue
 
-        # switch/bitcase: fixed size fields must be considered explicitly 
+        # switch/bitcase: fixed size fields must be considered explicitly
         if field.type.fixed_size():
-            if self.is_bitcase or self.var_followed_by_fixed_fields:
+            if self.is_case_or_bitcase or self.c_var_followed_by_fixed_fields:
                 if prev_field_was_variable and need_padding:
                     # insert padding
-#                    count += _c_serialize_helper_insert_padding(context, code_lines, space, 
-#                                                                self.var_followed_by_fixed_fields)
+#                    count += _c_serialize_helper_insert_padding(context, code_lines, space,
+#                                                                self.c_var_followed_by_fixed_fields)
                     prev_field_was_variable = False
 
                 # prefix for fixed size fields
                 fixed_prefix = prefix
 
-                value, length = _c_serialize_helper_fields_fixed_size(context, self, field, 
-                                                                      code_lines, temp_vars, 
+                value, length = _c_serialize_helper_fields_fixed_size(context, self, field,
+                                                                      code_lines, temp_vars,
                                                                       space, fixed_prefix)
             else:
                 continue
 
         # fields with variable size
         else:
-            # switch/bitcase: always calculate padding before and after variable sized fields
-            if need_padding or is_bitcase:
-                count += _c_serialize_helper_insert_padding(context, code_lines, space, 
-                                                            self.var_followed_by_fixed_fields)
-
-            value, length = _c_serialize_helper_fields_variable_size(context, self, field, 
-                                                                     code_lines, temp_vars, 
-                                                                     space, prefix)
-            prev_field_was_variable = True
-        
+            if field.type.is_pad:
+                # Variable length pad is <pad align= />
+                code_lines.append('%s    xcb_align_to = %d;' % (space, field.type.align))
+                count += _c_serialize_helper_insert_padding(context, code_lines, space,
+                                                            self.c_var_followed_by_fixed_fields,
+                                                            is_case_or_bitcase)
+                continue
+            else:
+                # switch/bitcase: always calculate padding before and after variable sized fields
+                if need_padding or is_case_or_bitcase:
+                    count += _c_serialize_helper_insert_padding(context, code_lines, space,
+                                                                self.c_var_followed_by_fixed_fields,
+                                                                is_case_or_bitcase)
+
+                value, length = _c_serialize_helper_fields_variable_size(context, self, field,
+                                                                         code_lines, temp_vars,
+                                                                         space, prefix)
+                prev_field_was_variable = True
+
         # save (un)serialization C code
         if '' != value:
-            code_lines.append('%s%s' % (space, value))    
-        
+            code_lines.append('%s%s' % (space, value))
+
         if field.type.fixed_size():
-            if is_bitcase or self.var_followed_by_fixed_fields:
+            if is_case_or_bitcase or self.c_var_followed_by_fixed_fields:
                 # keep track of (un)serialized object's size
                 code_lines.append('%s    xcb_block_len += %s;' % (space, length))
                 if context in ('unserialize', 'unpack', 'sizeof'):
                     code_lines.append('%s    xcb_tmp += %s;' % (space, length))
-        else: 
+        else:
             # variable size objects or bitcase:
             #   value & length might have been inserted earlier for special cases
             if '' != length:
                 # special case: intermixed fixed and variable size fields
-                if (not field.type.fixed_size() and 
-                    self.var_followed_by_fixed_fields and 'unserialize' == context):
+                if (not field.type.fixed_size() and
+                    self.c_var_followed_by_fixed_fields and 'unserialize' == context):
                     temp_vars.append('    int %s_len;' % field.c_field_name)
                     code_lines.append('%s    %s_len = %s;' % (space, field.c_field_name, length))
                     code_lines.append('%s    xcb_block_len += %s_len;' % (space, field.c_field_name))
@@ -990,24 +1211,31 @@ def _c_serialize_helper_fields(context, self,
                     # increase pointer into the byte stream accordingly
                     if context in ('unserialize', 'sizeof', 'unpack'):
                         code_lines.append('%s    xcb_tmp += xcb_block_len;' % space)
-                        
+
         if 'serialize' == context:
             if '' != length:
                 code_lines.append('%s    xcb_parts[xcb_parts_idx].iov_len = %s;' % (space, length))
             code_lines.append('%s    xcb_parts_idx++;' % space)
             count += 1
 
-        code_lines.append('%s    xcb_align_to = ALIGNOF(%s);' % (space, 'char' if field.c_field_type == 'void' else field.c_field_type))
+        code_lines.append(
+            '%s    xcb_align_to = ALIGNOF(%s);'
+             % (space,
+                 'char'
+                  if field.c_field_type == 'void' or field.type.is_switch
+                  else field.c_field_type))
 
         need_padding = True
-        if self.var_followed_by_fixed_fields:
+        if self.c_var_followed_by_fixed_fields:
             need_padding = False
-        
+
+    _c_pre.pop_indent()
+
     return count
-# _c_serialize_helper_fields()    
+# _c_serialize_helper_fields()
 
-def _c_serialize_helper(context, complex_type, 
-                        code_lines, temp_vars, 
+def _c_serialize_helper(context, complex_type,
+                        code_lines, temp_vars,
                         space='', prefix=[]):
     # count tracks the number of fields to serialize
     count = 0
@@ -1017,38 +1245,38 @@ def _c_serialize_helper(context, complex_type,
         complex_name = complex_type.name
     else:
         self = complex_type
-        if self.var_followed_by_fixed_fields and 'unserialize' == context:
+        if self.c_var_followed_by_fixed_fields and 'unserialize' == context:
             complex_name = 'xcb_out'
         else:
             complex_name = '_aux'
-    
+
     # special case: switch is serialized by evaluating each bitcase separately
     if self.is_switch:
-        count += _c_serialize_helper_switch(context, self, complex_name, 
-                                            code_lines, temp_vars, 
+        count += _c_serialize_helper_switch(context, self, complex_name,
+                                            code_lines, temp_vars,
                                             space, prefix)
 
     # all other data types can be evaluated one field a time
-    else: 
+    else:
         # unserialize & fixed size fields: simply cast the buffer to the respective xcb_out type
-        if context in ('unserialize', 'unpack', 'sizeof') and not self.var_followed_by_fixed_fields:
+        if context in ('unserialize', 'unpack', 'sizeof') and not self.c_var_followed_by_fixed_fields:
             code_lines.append('%s    xcb_block_len += sizeof(%s);' % (space, self.c_type))
             code_lines.append('%s    xcb_tmp += xcb_block_len;' % space)
-            # probably not needed
-            #_c_serialize_helper_insert_padding(context, code_lines, space, False)
+            code_lines.append('%s    xcb_buffer_len += xcb_block_len;' % space)
+            code_lines.append('%s    xcb_block_len = 0;' % space)
 
-        count += _c_serialize_helper_fields(context, self, 
-                                            code_lines, temp_vars, 
+        count += _c_serialize_helper_fields(context, self,
+                                            code_lines, temp_vars,
                                             space, prefix, False)
     # "final padding"
-    count += _c_serialize_helper_insert_padding(context, code_lines, space, False)
+    count += _c_serialize_helper_insert_padding(context, code_lines, space, False, self.is_switch)
 
-    return count    
+    return count
 # _c_serialize_helper()
 
 def _c_serialize(context, self):
     """
-    depending on the context variable, generate _serialize(), _unserialize(), _unpack(), or _sizeof() 
+    depending on the context variable, generate _serialize(), _unserialize(), _unpack(), or _sizeof()
     for the ComplexType variable self
     """
     _h_setlevel(1)
@@ -1061,25 +1289,25 @@ def _c_serialize(context, self):
     if self.is_switch and 'unserialize' == context:
         context = 'unpack'
 
-    cases = { 'serialize'   : self.c_serialize_name, 
-              'unserialize' : self.c_unserialize_name, 
-              'unpack'      : self.c_unpack_name, 
+    cases = { 'serialize'   : self.c_serialize_name,
+              'unserialize' : self.c_unserialize_name,
+              'unpack'      : self.c_unpack_name,
               'sizeof'      : self.c_sizeof_name }
     func_name = cases[context]
-            
+
     param_fields, wire_fields, params = get_serialize_params(context, self)
     variable_size_fields = 0
     # maximum space required for type definition of function arguments
     maxtypelen = 0
 
-    # determine N(variable_fields) 
+    # determine N(variable_fields)
     for field in param_fields:
         # if self.is_switch, treat all fields as if they are variable sized
         if not field.type.fixed_size() or self.is_switch:
             variable_size_fields += 1
     # determine maxtypelen
     for p in params:
-        maxtypelen = max(maxtypelen, len(p[0]) + len(p[1]))    
+        maxtypelen = max(maxtypelen, len(p[0]) + len(p[1]))
 
     # write to .c/.h
     indent = ' '*(len(func_name)+2)
@@ -1101,23 +1329,27 @@ def _c_serialize(context, self):
     temp_vars = []
     prefix = []
 
+    _c_pre.redirect_start(code_lines, temp_vars)
+
     if 'serialize' == context:
-        if not self.is_switch and not self.var_followed_by_fixed_fields:
+        if not self.is_switch and not self.c_var_followed_by_fixed_fields:
             _c('    %s *xcb_out = *_buffer;', self.c_type)
             _c('    unsigned int xcb_out_pad = -sizeof(%s) & 3;', self.c_type)
             _c('    unsigned int xcb_buffer_len = sizeof(%s) + xcb_out_pad;', self.c_type)
-            _c('    unsigned int xcb_align_to;')
+            _c('    unsigned int xcb_align_to = 0;')
         else:
             _c('    char *xcb_out = *_buffer;')
             _c('    unsigned int xcb_buffer_len = 0;')
-            _c('    unsigned int xcb_align_to;')
+            _c('    unsigned int xcb_align_to = 0;')
+        if self.is_switch:
+            _c('    unsigned int xcb_padding_offset = ((size_t)xcb_out) & 7;')
         prefix = [('_aux', '->', self)]
         aux_ptr = 'xcb_out'
 
     elif context in ('unserialize', 'unpack'):
         _c('    char *xcb_tmp = (char *)_buffer;')
         if not self.is_switch:
-            if not self.var_followed_by_fixed_fields:
+            if not self.c_var_followed_by_fixed_fields:
                 _c('    const %s *_aux = (%s *)_buffer;', self.c_type, self.c_type)
                 prefix = [('_aux', '->', self)]
             else:
@@ -1133,7 +1365,9 @@ def _c_serialize(context, self):
         _c('    unsigned int xcb_buffer_len = 0;')
         _c('    unsigned int xcb_block_len = 0;')
         _c('    unsigned int xcb_pad = 0;')
-        _c('    unsigned int xcb_align_to;')
+        _c('    unsigned int xcb_align_to = 0;')
+        if self.is_switch:
+            _c('    unsigned int xcb_padding_offset = ((size_t)_buffer) & 7;')
 
     elif 'sizeof' == context:
         param_names = [p[2] for p in params]
@@ -1142,22 +1376,26 @@ def _c_serialize(context, self):
             _c('    %s _aux;', self.c_type)
             _c('    return %s(%s, &_aux);', self.c_unpack_name, reduce(lambda x,y: "%s, %s" % (x, y), param_names))
             _c('}')
+            _c_pre.redirect_end()
             return
-        elif self.var_followed_by_fixed_fields:
+        elif self.c_var_followed_by_fixed_fields:
             # special case: call _unserialize()
             _c('    return %s(%s, NULL);', self.c_unserialize_name, reduce(lambda x,y: "%s, %s" % (x, y), param_names))
             _c('}')
+            _c_pre.redirect_end()
             return
         else:
             _c('    char *xcb_tmp = (char *)_buffer;')
             prefix = [('_aux', '->', self)]
+            if self.is_switch:
+                _c('    unsigned int xcb_padding_offset = 0;')
 
     count = _c_serialize_helper(context, self, code_lines, temp_vars, prefix=prefix)
     # update variable size fields (only important for context=='serialize'
     variable_size_fields = count
     if 'serialize' == context:
         temp_vars.append('    unsigned int xcb_pad = 0;')
-        temp_vars.append('    char xcb_pad0[3] = {0, 0, 0};') 
+        temp_vars.append('    char xcb_pad0[3] = {0, 0, 0};')
         temp_vars.append('    struct iovec xcb_parts[%d];' % count)
         temp_vars.append('    unsigned int xcb_parts_idx = 0;')
         temp_vars.append('    unsigned int xcb_block_len = 0;')
@@ -1166,19 +1404,21 @@ def _c_serialize(context, self):
     elif 'sizeof' == context:
         # neither switch nor intermixed fixed and variable size fields:
         # evaluate parameters directly
-        if not (self.is_switch or self.var_followed_by_fixed_fields):
+        if not (self.is_switch or self.c_var_followed_by_fixed_fields):
 
             # look if we have to declare an '_aux' variable at all
             if len(list(filter(lambda x: x.find('_aux')!=-1, code_lines)))>0:
-                if not self.var_followed_by_fixed_fields:
+                if not self.c_var_followed_by_fixed_fields:
                     _c('    const %s *_aux = (%s *)_buffer;', self.c_type, self.c_type)
                 else:
                     _c('    %s *_aux = malloc(sizeof(%s));', self.c_type, self.c_type)
 
             _c('    unsigned int xcb_buffer_len = 0;')
             _c('    unsigned int xcb_block_len = 0;')
-            _c('    unsigned int xcb_pad = 0;')        
-            _c('    unsigned int xcb_align_to;')
+            _c('    unsigned int xcb_pad = 0;')
+            _c('    unsigned int xcb_align_to = 0;')
+
+    _c_pre.redirect_end()
 
     _c('')
     for t in temp_vars:
@@ -1188,7 +1428,7 @@ def _c_serialize(context, self):
         _c(l)
 
     # variable sized fields have been collected, now
-    # allocate memory and copy everything into a continuous memory area 
+    # allocate memory and copy everything into a continuous memory area
     # note: this is not necessary in case of unpack
     if context in ('serialize', 'unserialize'):
         # unserialize: check for sizeof-only invocation
@@ -1208,13 +1448,13 @@ def _c_serialize(context, self):
 
         # serialize: handle variable size fields in a loop
         if 'serialize' == context:
-            if not self.is_switch and not self.var_followed_by_fixed_fields:
+            if not self.is_switch and not self.c_var_followed_by_fixed_fields:
                 if len(wire_fields)>0:
                     _c('    *xcb_out = *_aux;')
             # copy variable size fields into the buffer
             if variable_size_fields > 0:
                 # xcb_out padding
-                if not self.is_switch and not self.var_followed_by_fixed_fields:
+                if not self.is_switch and not self.c_var_followed_by_fixed_fields:
                     _c('    xcb_tmp = (char*)++xcb_out;')
                     _c('    xcb_tmp += xcb_out_pad;')
                 else:
@@ -1227,7 +1467,7 @@ def _c_serialize(context, self):
                 _c('        if (0 != xcb_parts[i].iov_len)')
                 _c('            xcb_tmp += xcb_parts[i].iov_len;')
                 _c('    }')
-            
+
         # unserialize: assign variable size fields individually
         if 'unserialize' == context:
             _c('    xcb_tmp = ((char *)*_aux)+xcb_buffer_len;')
@@ -1237,7 +1477,7 @@ def _c_serialize(context, self):
                     _c('    xcb_tmp -= %s_len;', field.c_field_name)
                     _c('    memmove(xcb_tmp, %s, %s_len);', field.c_field_name, field.c_field_name)
             _c('    *%s = xcb_out;', aux_ptr)
- 
+
     _c('')
     _c('    return xcb_buffer_len;')
     _c('}')
@@ -1286,16 +1526,6 @@ def _c_iterator(self, name):
     _h(' * element. The member index is increased by sizeof(%s)', self.c_type)
     _h(' */')
     _c('')
-    _hc('')
-    _hc('/*****************************************************************************')
-    _hc(' **')
-    _hc(' ** void %s', self.c_next_name)
-    _hc(' ** ')
-    _hc(' ** @param %s *i', self.c_iterator_type)
-    _hc(' ** @returns void')
-    _hc(' **')
-    _hc(' *****************************************************************************/')
-    _hc(' ')
     _hc('void')
     _h('%s (%s *i  /**< */);', self.c_next_name, self.c_iterator_type)
     _c('%s (%s *i  /**< */)', self.c_next_name, self.c_iterator_type)
@@ -1306,11 +1536,11 @@ def _c_iterator(self, name):
 
         if self.is_union:
             # FIXME - how to determine the size of a variable size union??
-            _c('    /* FIXME - determine the size of the union %s */', self.c_type)            
+            _c('    /* FIXME - determine the size of the union %s */', self.c_type)
         else:
-            if self.need_sizeof:
+            if self.c_need_sizeof:
                 _c('    xcb_generic_iterator_t child;')
-                _c('    child.data = (%s *)(((char *)R) + %s(R));', 
+                _c('    child.data = (%s *)(((char *)R) + %s(R));',
                    self.c_type, self.c_sizeof_name)
                 _c('    i->index = (char *) child.data - (char *) i->data;')
             else:
@@ -1337,16 +1567,6 @@ def _c_iterator(self, name):
     _h(' * last element.')
     _h(' */')
     _c('')
-    _hc('')
-    _hc('/*****************************************************************************')
-    _hc(' **')
-    _hc(' ** xcb_generic_iterator_t %s', self.c_end_name)
-    _hc(' ** ')
-    _hc(' ** @param %s i', self.c_iterator_type)
-    _hc(' ** @returns xcb_generic_iterator_t')
-    _hc(' **')
-    _hc(' *****************************************************************************/')
-    _hc(' ')
     _hc('xcb_generic_iterator_t')
     _h('%s (%s i  /**< */);', self.c_end_name, self.c_iterator_type)
     _c('%s (%s i  /**< */)', self.c_end_name, self.c_iterator_type)
@@ -1370,7 +1590,7 @@ def _c_iterator(self, name):
 def _c_accessor_get_length(expr, field_mapping=None):
     '''
     Figures out what C code is needed to get a length field.
-    The field_mapping parameter can be used to change the absolute name of a length field. 
+    The field_mapping parameter can be used to change the absolute name of a length field.
     For fields that follow a variable-length field, use the accessor.
     Otherwise, just reference the structure field directly.
     '''
@@ -1379,13 +1599,8 @@ def _c_accessor_get_length(expr, field_mapping=None):
     if lenfield_name is not None:
         if field_mapping is not None:
             lenfield_name = field_mapping[lenfield_name][0]
- 
-    if expr.lenfield is not None and expr.lenfield.prev_varsized_field is not None:
-        # special case: variable and fixed size fields are intermixed
-        # if the lenfield is among the fixed size fields, there is no need
-        # to call a special accessor function like <expr.lenfield.c_accessor_name + '(' + prefix + ')'>
-        return field_mapping(expr.lenfield_name)
-    elif expr.lenfield_name is not None:
+
+    if expr.lenfield_name is not None:
         return lenfield_name
     else:
         return str(expr.nmemb)
@@ -1393,7 +1608,7 @@ def _c_accessor_get_length(expr, field_mapping=None):
 def _c_accessor_get_expr(expr, field_mapping):
     '''
     Figures out what C code is needed to get the length of a list field.
-    The field_mapping parameter can be used to change the absolute name of a length field. 
+    The field_mapping parameter can be used to change the absolute name of a length field.
     Recurses for math operations.
     Returns bitcount for value-mask fields.
     Otherwise, uses the value of the length field.
@@ -1424,10 +1639,71 @@ def _c_accessor_get_expr(expr, field_mapping):
         c_length_func = "%s(%s)" % (field.c_length_name, list_name)
         # note: xcb_sumof() has only been defined for integers
         c_length_func = _c_accessor_get_expr(field.type.expr, field_mapping)
-        return 'xcb_sumof(%s, %s)' % (list_name, c_length_func)
+        # create explicit code for computing the sum.
+        # This works for all C-types which can be added to int64_t with +=
+        _c_pre.start()
+        lengthvar = _c_pre.get_tempvarname()
+        loopvar = _c_pre.get_tempvarname()
+        sumvar = _c_pre.get_tempvarname()
+        listvar = _c_pre.get_tempvarname()
+        _c_pre.tempvar("int %s; /* sumof length */", lengthvar)
+        _c_pre.tempvar("int %s; /* sumof loop counter */", loopvar)
+        _c_pre.tempvar("int64_t %s; /* sumof sum */", sumvar)
+        _c_pre.tempvar(
+             "const %s* %s; /* sumof list ptr */", field.c_field_type, listvar)
+        _c_pre.code("/* sumof start */")
+        _c_pre.code("%s = %s;", lengthvar, c_length_func)
+        _c_pre.code("%s = 0;", sumvar)
+        _c_pre.code("%s = %s;", listvar, list_name)
+        _c_pre.code(
+            "for (%s = 0; %s < %s; %s++) {",
+           loopvar, loopvar, lengthvar, loopvar)
+        _c_pre.indent()
+
+        # define and set xcb_listelement, so that it can be used by
+        # listelement-ref expressions.
+        if expr.contains_listelement_ref:
+            _c_pre.code(
+                "const %s *xcb_listelement = %s;",
+                field.c_field_type, listvar)
+
+        # summation
+        if expr.rhs == None:
+            _c_pre.code("%s += *%s;", sumvar, listvar)
+        else:
+            # sumof has a nested expression which
+            # has to be evaluated in the context of this list element
+
+            # field mapping for the subexpression needs to include
+            # the fields of the list-member type
+            scoped_field_mapping = field_mapping.copy()
+            if not field.type.member.is_simple:
+                scoped_field_mapping.update(
+                    _c_helper_field_mapping(
+                        field.type.member,
+                        [(listvar, '->', field.type.member)]))
+
+            # cause pre-code of the subexpression be added right here
+            _c_pre.end()
+            # compute the subexpression
+            rhs_expr_str = _c_accessor_get_expr(expr.rhs, scoped_field_mapping)
+            # resume with our code
+            _c_pre.start()
+            # output the summation expression
+            _c_pre.code("%s += %s;", sumvar, rhs_expr_str)
+
+        _c_pre.code("%s++;", listvar);
+        _c_pre.pop_indent()
+        _c_pre.code("}")
+        _c_pre.code("/* sumof end. Result is in %s */", sumvar)
+        _c_pre.end()
+        return sumvar;
+        # return 'xcb_sumof(%s, %s)' % (list_name, c_length_func)
+    elif expr.op == 'listelement-ref':
+        return '(*xcb_listelement)';
     elif expr.op != None:
-        return ('(' + _c_accessor_get_expr(expr.lhs, field_mapping) + 
-                ' ' + expr.op + ' ' + 
+        return ('(' + _c_accessor_get_expr(expr.lhs, field_mapping) +
+                ' ' + expr.op + ' ' +
                 _c_accessor_get_expr(expr.rhs, field_mapping) + ')')
     elif expr.bitfield:
         return 'xcb_popcount(' + lenexp + ')'
@@ -1447,23 +1723,13 @@ def _c_accessors_field(self, field):
 
     # special case: switch
     switch_obj = self if self.is_switch else None
-    if self.is_bitcase:
+    if self.is_case_or_bitcase:
         switch_obj = self.parents[-1]
     if switch_obj is not None:
         c_type = switch_obj.c_type
 
     if field.type.is_simple:
         _hc('')
-        _hc('')
-        _hc('/*****************************************************************************')
-        _hc(' ** ')
-        _hc(' ** %s %s', field.c_field_type, field.c_accessor_name)
-        _hc(' ** ')
-        _hc(' ** @param const %s *R', c_type)
-        _hc(' ** @returns %s', field.c_field_type)
-        _hc(' **')
-        _hc(' *****************************************************************************/')
-        _hc(' ')
         _hc('%s', field.c_field_type)
         _h('%s (const %s *R  /**< */);', field.c_accessor_name, c_type)
         _c('%s (const %s *R  /**< */)', field.c_accessor_name, c_type)
@@ -1472,21 +1738,11 @@ def _c_accessors_field(self, field):
             _c('    return (%s *) (R + 1);', field.c_field_type)
         else:
             _c('    xcb_generic_iterator_t prev = %s;', _c_iterator_get_end(field.prev_varsized_field, 'R'))
-            _c('    return * (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);', 
+            _c('    return * (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);',
                field.c_field_type, type_pad_type(field.first_field_after_varsized.type.c_type), field.prev_varsized_offset)
         _c('}')
     else:
         _hc('')
-        _hc('')
-        _hc('/*****************************************************************************')
-        _hc(' **')
-        _hc(' ** %s * %s', field.c_field_type, field.c_accessor_name)
-        _hc(' ** ')
-        _hc(' ** @param const %s *R', c_type)
-        _hc(' ** @returns %s *', field.c_field_type)
-        _hc(' **')
-        _hc(' *****************************************************************************/')
-        _hc(' ')
         if field.type.is_switch and switch_obj is None:
             return_type = 'void *'
         else:
@@ -1499,21 +1755,32 @@ def _c_accessors_field(self, field):
         if field.prev_varsized_field is None:
             _c('    return (%s) (R + 1);', return_type)
             # note: the special case 'variable fields followed by fixed size fields'
-            #       is not of any consequence here, since the ordering gets 
+            #       is not of any consequence here, since the ordering gets
             #       'corrected' in the reply function
         else:
             _c('    xcb_generic_iterator_t prev = %s;', _c_iterator_get_end(field.prev_varsized_field, 'R'))
-            _c('    return (%s) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);', 
+            _c('    return (%s) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);',
                return_type, type_pad_type(field.first_field_after_varsized.type.c_type), field.prev_varsized_offset)
         _c('}')
 
-    
+
 def _c_accessors_list(self, field):
     '''
     Declares the accessor functions for a list field.
     Declares a direct-accessor function only if the list members are fixed size.
     Declares length and get-iterator functions always.
     '''
+
+    def get_align_pad(field):
+            prev = field.prev_varsized_field
+            prev_prev = field.prev_varsized_field.prev_varsized_field
+
+            if (prev.type.is_pad and prev.type.align > 0 and prev_prev is not None):
+                return (prev_prev, '((-prev.index) & (%d - 1))' % prev.type.align)
+            else:
+                return (prev, None)
+
+
     list = field.type
     c_type = self.c_type
 
@@ -1521,10 +1788,10 @@ def _c_accessors_list(self, field):
     # in case of switch, 2 params have to be supplied to certain accessor functions:
     #   1. the anchestor object (request or reply)
     #   2. the (anchestor) switch object
-    # the reason is that switch is either a child of a request/reply or nested in another switch, 
+    # the reason is that switch is either a child of a request/reply or nested in another switch,
     # so whenever we need to access a length field, we might need to refer to some anchestor type
     switch_obj = self if self.is_switch else None
-    if self.is_bitcase:
+    if self.is_case_or_bitcase:
         switch_obj = self.parents[-1]
     if switch_obj is not None:
         c_type = switch_obj.c_type
@@ -1532,14 +1799,14 @@ def _c_accessors_list(self, field):
     params = []
     fields = {}
     parents = self.parents if hasattr(self, 'parents') else [self]
-    # 'R': parents[0] is always the 'toplevel' container type 
+    # 'R': parents[0] is always the 'toplevel' container type
     params.append(('const %s *R' % parents[0].c_type, parents[0]))
     fields.update(_c_helper_field_mapping(parents[0], [('R', '->', parents[0])], flat=True))
     # auxiliary object for 'R' parameters
     R_obj = parents[0]
 
     if switch_obj is not None:
-        # now look where the fields are defined that are needed to evaluate 
+        # now look where the fields are defined that are needed to evaluate
         # the switch expr, and store the parent objects in accessor_params and
         # the fields in switch_fields
 
@@ -1554,9 +1821,9 @@ def _c_accessors_list(self, field):
 
         # look for fields in the remaining containers
         for p in parents[2:] + [self]:
-            # the separator between parent and child is always '.' here, 
+            # the separator between parent and child is always '.' here,
             # because of nested switch statements
-            if not p.is_bitcase or (p.is_bitcase and p.has_name):
+            if not p.is_case_or_bitcase or (p.is_case_or_bitcase and p.has_name):
                 prefix.append((p.name[-1], '.', p))
             fields.update(_c_helper_field_mapping(p, prefix, flat=True))
 
@@ -1568,16 +1835,6 @@ def _c_accessors_list(self, field):
     if list.member.fixed_size():
         idx = 1 if switch_obj is not None else 0
         _hc('')
-        _hc('')
-        _hc('/*****************************************************************************')
-        _hc(' **')
-        _hc(' ** %s * %s', field.c_field_type, field.c_accessor_name)
-        _hc(' ** ')
-        _hc(' ** @param %s', params[idx][0])
-        _hc(' ** @returns %s *', field.c_field_type)
-        _hc(' **')
-        _hc(' *****************************************************************************/')
-        _hc(' ')
         _hc('%s *', field.c_field_type)
 
         _h('%s (%s  /**< */);', field.c_accessor_name, params[idx][0])
@@ -1589,49 +1846,35 @@ def _c_accessors_list(self, field):
         elif field.prev_varsized_field is None:
             _c('    return (%s *) (R + 1);', field.c_field_type)
         else:
-            _c('    xcb_generic_iterator_t prev = %s;', _c_iterator_get_end(field.prev_varsized_field, 'R'))
-            _c('    return (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index) + %d);', 
-               field.c_field_type, type_pad_type(field.first_field_after_varsized.type.c_type), field.prev_varsized_offset)
+            (prev_varsized_field, align_pad) = get_align_pad(field)
+
+            if align_pad is None:
+                align_pad = ('XCB_TYPE_PAD(%s, prev.index)' %
+                    type_pad_type(field.first_field_after_varsized.type.c_type))
+
+            _c('    xcb_generic_iterator_t prev = %s;',
+                _c_iterator_get_end(prev_varsized_field, 'R'))
+            _c('    return (%s *) ((char *) prev.data + %s + %d);',
+               field.c_field_type, align_pad, field.prev_varsized_offset)
         _c('}')
 
     _hc('')
-    _hc('')
-    _hc('/*****************************************************************************')
-    _hc(' **')
-    _hc(' ** int %s', field.c_length_name)
-    _hc(' ** ')
-    _hc(' ** @param const %s *R', c_type)
-    _hc(' ** @returns int')
-    _hc(' **')
-    _hc(' *****************************************************************************/')
-    _hc(' ')
     _hc('int')
     if switch_obj is not None:
         _hc('%s (const %s *R  /**< */,', field.c_length_name, R_obj.c_type)
         spacing = ' '*(len(field.c_length_name)+2)
         _h('%sconst %s *S /**< */);', spacing, S_obj.c_type)
         _c('%sconst %s *S  /**< */)', spacing, S_obj.c_type)
-        length = _c_accessor_get_expr(field.type.expr, fields)
     else:
         _h('%s (const %s *R  /**< */);', field.c_length_name, c_type)
         _c('%s (const %s *R  /**< */)', field.c_length_name, c_type)
-        length = _c_accessor_get_expr(field.type.expr, fields)
     _c('{')
+    length = _c_accessor_get_expr(field.type.expr, fields)
     _c('    return %s;', length)
     _c('}')
 
     if field.type.member.is_simple:
         _hc('')
-        _hc('')
-        _hc('/*****************************************************************************')
-        _hc(' **')
-        _hc(' ** xcb_generic_iterator_t %s', field.c_end_name)
-        _hc(' ** ')
-        _hc(' ** @param const %s *R', c_type)
-        _hc(' ** @returns xcb_generic_iterator_t')
-        _hc(' **')
-        _hc(' *****************************************************************************/')
-        _hc(' ')
         _hc('xcb_generic_iterator_t')
         if switch_obj is not None:
             _hc('%s (const %s *R  /**< */,', field.c_end_name, R_obj.c_type)
@@ -1643,18 +1886,18 @@ def _c_accessors_list(self, field):
             _c('%s (const %s *R  /**< */)', field.c_end_name, c_type)
         _c('{')
         _c('    xcb_generic_iterator_t i;')
-        
+
         param = 'R' if switch_obj is None else 'S'
         if switch_obj is not None:
-            _c('    i.data = %s + %s;', fields[field.c_field_name][0], 
+            _c('    i.data = %s + %s;', fields[field.c_field_name][0],
                _c_accessor_get_expr(field.type.expr, fields))
         elif field.prev_varsized_field == None:
-            _c('    i.data = ((%s *) (R + 1)) + (%s);', field.type.c_wiretype, 
+            _c('    i.data = ((%s *) (R + 1)) + (%s);', field.type.c_wiretype,
                _c_accessor_get_expr(field.type.expr, fields))
         else:
-            _c('    xcb_generic_iterator_t child = %s;', 
+            _c('    xcb_generic_iterator_t child = %s;',
                _c_iterator_get_end(field.prev_varsized_field, 'R'))
-            _c('    i.data = ((%s *) child.data) + (%s);', field.type.c_wiretype, 
+            _c('    i.data = ((%s *) child.data) + (%s);', field.type.c_wiretype,
                _c_accessor_get_expr(field.type.expr, fields))
 
         _c('    i.rem = 0;')
@@ -1664,17 +1907,6 @@ def _c_accessors_list(self, field):
 
     else:
         _hc('')
-        _hc('')
-        _hc('/*****************************************************************************')
-        _hc(' **')
-        _hc(' ** %s %s', field.c_iterator_type, field.c_iterator_name)
-        _hc(' ** ')
-        _hc(' ** @param const %s *R', c_type)
-        _hc(' ** @returns %s', field.c_iterator_type)
-        _hc(' **')
-        _hc(' *****************************************************************************/')
-        _hc(' ')
-
         _hc('%s', field.c_iterator_type)
         if switch_obj is not None:
             _hc('%s (const %s *R  /**< */,', field.c_iterator_name, R_obj.c_type)
@@ -1687,17 +1919,31 @@ def _c_accessors_list(self, field):
         _c('{')
         _c('    %s i;', field.c_iterator_type)
 
+        _c_pre.start()
+        length_expr_str = _c_accessor_get_expr(field.type.expr, fields)
+
         if switch_obj is not None:
+            _c_pre.end()
             _c('    i.data = %s;', fields[field.c_field_name][0])
-            _c('    i.rem = %s;', _c_accessor_get_expr(field.type.expr, fields))
+            _c('    i.rem = %s;', length_expr_str)
         elif field.prev_varsized_field == None:
+            _c_pre.end()
             _c('    i.data = (%s *) (R + 1);', field.c_field_type)
         else:
-            _c('    xcb_generic_iterator_t prev = %s;', _c_iterator_get_end(field.prev_varsized_field, 'R'))
-            _c('    i.data = (%s *) ((char *) prev.data + XCB_TYPE_PAD(%s, prev.index));', 
-               field.c_field_type, type_pad_type(field.c_field_type))
+            (prev_varsized_field, align_pad) = get_align_pad(field)
+
+            if align_pad is None:
+                align_pad = ('XCB_TYPE_PAD(%s, prev.index)' %
+                    type_pad_type(field.c_field_type))
+
+            _c('    xcb_generic_iterator_t prev = %s;',
+                _c_iterator_get_end(prev_varsized_field, 'R'))
+            _c_pre.end()
+            _c('    i.data = (%s *) ((char *) prev.data + %s);',
+                field.c_field_type, align_pad)
+
         if switch_obj is None:
-            _c('    i.rem = %s;', _c_accessor_get_expr(field.type.expr, fields))
+            _c('    i.rem = %s;', length_expr_str)
         _c('    i.index = (char *) i.data - (char *) %s;', 'R' if switch_obj is None else 'S' )
         _c('    return i;')
         _c('}')
@@ -1706,17 +1952,18 @@ def _c_accessors(self, name, base):
     '''
     Declares the accessor functions for the fields of a structure.
     '''
-    # no accessors for switch itself - 
+    # no accessors for switch itself -
     # switch always needs to be unpacked explicitly
 #    if self.is_switch:
 #        pass
 #    else:
     if True:
         for field in self.fields:
-            if field.type.is_list and not field.type.fixed_size():
-                _c_accessors_list(self, field)
-            elif field.prev_varsized_field is not None or not field.type.fixed_size():
-                _c_accessors_field(self, field)
+            if not field.type.is_pad:
+                if _c_field_needs_list_accessor(field):
+                    _c_accessors_list(self, field)
+                elif _c_field_needs_field_accessor(field):
+                    _c_accessors_field(self, field)
 
 def c_simple(self, name):
     '''
@@ -1735,7 +1982,7 @@ def c_simple(self, name):
         # Iterator
         _c_iterator(self, name)
 
-def _c_complex(self):
+def _c_complex(self, force_packed = False):
     '''
     Helper function for handling all structure types.
     Called for all structs, requests, replies, events, errors.
@@ -1757,16 +2004,16 @@ def _c_complex(self):
             continue
         if field.wire:
             struct_fields.append(field)
-    
+
     for field in struct_fields:
         length = len(field.c_field_type)
         # account for '*' pointer_spec
-        if not field.type.fixed_size():
+        if not field.type.fixed_size() and not self.is_union:
             length += 1
         maxtypelen = max(maxtypelen, length)
 
     def _c_complex_field(self, field, space=''):
-        if (field.type.fixed_size() or 
+        if (field.type.fixed_size() or self.is_union or
             # in case of switch with switch children, don't make the field a pointer
             # necessary for unserialize to work
             (self.is_switch and field.type.is_switch)):
@@ -1783,14 +2030,14 @@ def _c_complex(self):
         for b in self.bitcases:
             space = ''
             if b.type.has_name:
-                _h('    struct _%s {', b.c_field_name)
+                _h('    struct {')
                 space = '    '
             for field in b.type.fields:
                 _c_complex_field(self, field, space)
             if b.type.has_name:
                 _h('    } %s;', b.c_field_name)
 
-    _h('} %s;', self.c_type)
+    _h('} %s%s;', 'XCB_PACKED ' if force_packed else '', self.c_type)
 
 def c_struct(self, name):
     '''
@@ -1809,7 +2056,7 @@ def c_union(self, name):
     _c_complex(self)
     _c_iterator(self, name)
 
-def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
+def _c_request_helper(self, name, cookie_type, void, regular, aux=False, reply_fds=False):
     '''
     Declares a request function.
     '''
@@ -1838,6 +2085,12 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
     # What flag is passed to xcb_request
     func_flags = '0' if (void and regular) or (not void and not regular) else 'XCB_REQUEST_CHECKED'
 
+    if reply_fds:
+        if func_flags == '0':
+            func_flags = 'XCB_REQUEST_REPLY_FDS'
+        else:
+            func_flags = func_flags + '|XCB_REQUEST_REPLY_FDS'
+
     # Global extension id variable or NULL for xproto
     func_ext_global = '&' + _ns.c_ext_global_name if _ns.is_ext else '0'
 
@@ -1862,12 +2115,12 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
         if field.wire and not field.auto:
             # We need to set the field up in the structure
             wire_fields.append(field)
-        if field.type.need_serialize or field.type.need_sizeof:
+        if field.type.c_need_serialize or field.type.c_need_sizeof:
             serial_fields.append(field)
-        
+
     for field in param_fields:
-        c_field_const_type = field.c_field_const_type 
-        if field.type.need_serialize and not aux:
+        c_field_const_type = field.c_field_const_type
+        if field.type.c_need_serialize and not aux:
             c_field_const_type = "const void"
         if len(c_field_const_type) > maxtypelen:
             maxtypelen = len(c_field_const_type)
@@ -1878,12 +2131,59 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
     _c_setlevel(1)
     _h('')
     _h('/**')
-    _h(' * Delivers a request to the X server')
+    if hasattr(self, "doc") and self.doc:
+        if self.doc.brief:
+            _h(' * @brief ' + self.doc.brief)
+        else:
+            _h(' * No brief doc yet')
+
+    _h(' *')
     _h(' * @param c The connection')
+    param_names = [f.c_field_name for f in param_fields]
+    if hasattr(self, "doc") and self.doc:
+        for field in param_fields:
+            # XXX: hard-coded until we fix xproto.xml
+            base_func_name = self.c_request_name if not aux else self.c_aux_name
+            if base_func_name == 'xcb_change_gc' and field.c_field_name == 'value_mask':
+                field.enum = 'GC'
+            elif base_func_name == 'xcb_change_window_attributes' and field.c_field_name == 'value_mask':
+                field.enum = 'CW'
+            elif base_func_name == 'xcb_create_window' and field.c_field_name == 'value_mask':
+                field.enum = 'CW'
+            if field.enum:
+                # XXX: why the 'xcb' prefix?
+                key = ('xcb', field.enum)
+
+                tname = _t(key)
+                if namecount[tname] > 1:
+                    tname = _t(key + ('enum',))
+                _h(' * @param %s A bitmask of #%s values.' % (field.c_field_name, tname))
+
+            if self.doc and field.field_name in self.doc.fields:
+                desc = self.doc.fields[field.field_name]
+                for name in param_names:
+                    desc = desc.replace('`%s`' % name, '\\a %s' % (name))
+                desc = desc.split("\n")
+                desc = [line if line != '' else '\\n' for line in desc]
+                _h(' * @param %s %s' % (field.c_field_name, "\n * ".join(desc)))
+            # If there is no documentation yet, we simply don't generate an
+            # @param tag. Doxygen will then warn about missing documentation.
+
     _h(' * @return A cookie')
     _h(' *')
-    _h(' * Delivers a request to the X server.')
-    _h(' * ')
+
+    if hasattr(self, "doc") and self.doc:
+        if self.doc.description:
+            desc = self.doc.description
+            for name in param_names:
+                desc = desc.replace('`%s`' % name, '\\a %s' % (name))
+            desc = desc.split("\n")
+            _h(' * ' + "\n * ".join(desc))
+        else:
+            _h(' * No description yet')
+    else:
+        _h(' * Delivers a request to the X server.')
+    _h(' *')
     if checked:
         _h(' * This form can be used only if the request will not cause')
         _h(' * a reply to be generated. Any returned error will be')
@@ -1894,26 +2194,6 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
         _h(' * placed in the event queue.')
     _h(' */')
     _c('')
-    _hc('')
-    _hc('/*****************************************************************************')
-    _hc(' **')
-    _hc(' ** %s %s', cookie_type, func_name)
-    _hc(' ** ')
-
-    spacing = ' ' * (maxtypelen - len('xcb_connection_t'))
-    _hc(' ** @param xcb_connection_t%s *c', spacing)
-
-    for field in param_fields:
-        c_field_const_type = field.c_field_const_type 
-        if field.type.need_serialize and not aux:
-            c_field_const_type = "const void"
-        spacing = ' ' * (maxtypelen - len(c_field_const_type))
-        _hc(' ** @param %s%s %s%s', c_field_const_type, spacing, field.c_pointer, field.c_field_name)
-
-    _hc(' ** @returns %s', cookie_type)
-    _hc(' **')
-    _hc(' *****************************************************************************/')
-    _hc(' ')
     _hc('%s', cookie_type)
 
     spacing = ' ' * (maxtypelen - len('xcb_connection_t'))
@@ -1926,25 +2206,25 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
     count = len(param_fields)
     for field in param_fields:
         count = count - 1
-        c_field_const_type = field.c_field_const_type 
+        c_field_const_type = field.c_field_const_type
         c_pointer = field.c_pointer
-        if field.type.need_serialize and not aux:
+        if field.type.c_need_serialize and not aux:
             c_field_const_type = "const void"
             c_pointer = '*'
         spacing = ' ' * (maxtypelen - len(c_field_const_type))
         comma = ',' if count else ');'
-        _h('%s%s%s %s%s  /**< */%s', func_spacing, c_field_const_type, 
+        _h('%s%s%s %s%s  /**< */%s', func_spacing, c_field_const_type,
            spacing, c_pointer, field.c_field_name, comma)
         comma = ',' if count else ')'
-        _c('%s%s%s %s%s  /**< */%s', func_spacing, c_field_const_type, 
+        _c('%s%s%s %s%s  /**< */%s', func_spacing, c_field_const_type,
            spacing, c_pointer, field.c_field_name, comma)
 
     count = 2
-    if not self.var_followed_by_fixed_fields:
+    if not self.c_var_followed_by_fixed_fields:
         for field in param_fields:
             if not field.type.fixed_size():
                 count = count + 2
-                if field.type.need_serialize:
+                if field.type.c_need_serialize:
                     # _serialize() keeps track of padding automatically
                     count -= 1
     dimension = count + 2
@@ -1956,15 +2236,15 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
     _c('        /* opcode */ %s,', self.c_request_name.upper())
     _c('        /* isvoid */ %d', 1 if void else 0)
     _c('    };')
-    _c('    ')
+    _c('')
 
     _c('    struct iovec xcb_parts[%d];', dimension)
     _c('    %s xcb_ret;', func_cookie)
     _c('    %s xcb_out;', self.c_type)
-    if self.var_followed_by_fixed_fields:
+    if self.c_var_followed_by_fixed_fields:
         _c('    /* in the protocol description, variable size fields are followed by fixed size fields */')
         _c('    void *xcb_aux = 0;')
-        
+
 
     for idx, f in enumerate(serial_fields):
         if aux:
@@ -1973,10 +2253,10 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
         _c('    unsigned int i;')
         _c('    unsigned int xcb_tmp_len;')
         _c('    char *xcb_tmp;')
-    _c('    ')
+    _c('')
     # simple request call tracing
-#    _c('    printf("in function %s\\n");' % func_name)     
- 
+#    _c('    printf("in function %s\\n");' % func_name)
+
     # fixed size fields
     for field in wire_fields:
         if field.type.fixed_size():
@@ -1994,16 +2274,16 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
                     _c('    memcpy(xcb_out.%s, %s, %d);', field.c_field_name, field.c_field_name, field.type.nmemb)
 
     def get_serialize_args(type_obj, c_field_name, aux_var, context='serialize'):
-        serialize_args = get_serialize_params(context, type_obj, 
-                                              c_field_name, 
+        serialize_args = get_serialize_params(context, type_obj,
+                                              c_field_name,
                                               aux_var)[2]
         return reduce(lambda x,y: "%s, %s" % (x,y), [a[2] for a in serialize_args])
 
     # calls in order to free dyn. all. memory
     free_calls = []
 
-    _c('    ')
-    if not self.var_followed_by_fixed_fields:
+    _c('')
+    if not self.c_var_followed_by_fixed_fields:
         _c('    xcb_parts[2].iov_base = (char *) &xcb_out;')
         _c('    xcb_parts[2].iov_len = sizeof(xcb_out);')
         _c('    xcb_parts[3].iov_base = 0;')
@@ -2015,25 +2295,25 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
             if not field.type.fixed_size():
                 _c('    /* %s %s */', field.type.c_type, field.c_field_name)
                 # default: simple cast to char *
-                if not field.type.need_serialize and not field.type.need_sizeof:
+                if not field.type.c_need_serialize and not field.type.c_need_sizeof:
                     _c('    xcb_parts[%d].iov_base = (char *) %s;', count, field.c_field_name)
                     if field.type.is_list:
                         if field.type.member.fixed_size():
-                            _c('    xcb_parts[%d].iov_len = %s * sizeof(%s);', count, 
-                               _c_accessor_get_expr(field.type.expr, None), 
+                            _c('    xcb_parts[%d].iov_len = %s * sizeof(%s);', count,
+                               _c_accessor_get_expr(field.type.expr, None),
                                field.type.member.c_wiretype)
                         else:
                             list_length = _c_accessor_get_expr(field.type.expr, None)
-    
+
                             length = ''
                             _c("    xcb_parts[%d].iov_len = 0;" % count)
                             _c("    xcb_tmp = (char *)%s;", field.c_field_name)
                             _c("    for(i=0; i<%s; i++) {" % list_length)
-                            _c("        xcb_tmp_len = %s(xcb_tmp);" % 
+                            _c("        xcb_tmp_len = %s(xcb_tmp);" %
                                               (field.type.c_sizeof_name))
                             _c("        xcb_parts[%d].iov_len += xcb_tmp_len;" % count)
                             _c("        xcb_tmp += xcb_tmp_len;")
-                            _c("    }")                        
+                            _c("    }")
                     else:
                         # not supposed to happen
                         raise Exception("unhandled variable size field %s" % field.c_field_name)
@@ -2043,7 +2323,7 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
                     idx = serial_fields.index(field)
                     aux_var = '&xcb_aux%d' % idx
                     context = 'serialize' if aux else 'sizeof'
-                    _c('    xcb_parts[%d].iov_len = ', count)
+                    _c('    xcb_parts[%d].iov_len =', count)
                     if aux:
                         serialize_args = get_serialize_args(field.type, aux_var, field.c_field_name, context)
                         _c('      %s (%s);', field.type.c_serialize_name, serialize_args)
@@ -2055,17 +2335,17 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
                         _c('      %s (%s);', func_name, serialize_args)
 
                 count += 1
-                if not (field.type.need_serialize or field.type.need_sizeof):
+                if not (field.type.c_need_serialize or field.type.c_need_sizeof):
                     # the _serialize() function keeps track of padding automatically
                     _c('    xcb_parts[%d].iov_base = 0;', count)
                     _c('    xcb_parts[%d].iov_len = -xcb_parts[%d].iov_len & 3;', count, count-1)
                     count += 1
 
-    # elif self.var_followed_by_fixed_fields:
+    # elif self.c_var_followed_by_fixed_fields:
     else:
         _c('    xcb_parts[2].iov_base = (char *) &xcb_out;')
         # request header: opcodes + length
-        _c('    xcb_parts[2].iov_len = 2*sizeof(uint8_t) + sizeof(uint16_t);') 
+        _c('    xcb_parts[2].iov_len = 2*sizeof(uint8_t) + sizeof(uint16_t);')
         count += 1
         # call _serialize()
         buffer_var = '&xcb_aux'
@@ -2075,9 +2355,13 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
         free_calls.append('    free(xcb_aux);')
         # no padding necessary - _serialize() keeps track of padding automatically
 
-    _c('    ')
+    _c('')
+    for field in param_fields:
+        if field.isfd:
+            _c('    xcb_send_fd(c, %s);', field.c_field_name)
+
     _c('    xcb_ret.sequence = xcb_send_request(c, %s, xcb_parts + 2, &xcb_req);', func_flags)
-    
+
     # free dyn. all. data, if any
     for f in free_calls:
         _c(f)
@@ -2091,7 +2375,7 @@ def _c_reply(self, name):
     spacing1 = ' ' * (len(self.c_cookie_type) - len('xcb_connection_t'))
     spacing2 = ' ' * (len(self.c_cookie_type) - len('xcb_generic_error_t'))
     spacing3 = ' ' * (len(self.c_reply_name) + 2)
-    
+
     # check if _unserialize() has to be called for any field
     def look_for_special_cases(complex_obj):
         unserialize_fields = []
@@ -2101,19 +2385,19 @@ def _c_reply(self, name):
                 # three cases: 1. field with special case
                 #              2. container that contains special case field
                 #              3. list with special case elements
-                if field.type.var_followed_by_fixed_fields:
+                if field.type.c_var_followed_by_fixed_fields:
                     unserialize_fields.append(field)
                 elif field.type.is_container:
                     unserialize_fields += look_for_special_cases(field.type)
                 elif field.type.is_list:
-                    if field.type.member.var_followed_by_fixed_fields:
+                    if field.type.member.c_var_followed_by_fixed_fields:
                         unserialize_fields.append(field)
                     if field.type.member.is_container:
                         unserialize_fields += look_for_special_cases(field.type.member)
         return unserialize_fields
-    
+
     unserialize_fields = look_for_special_cases(self.reply)
-    
+
     _h('')
     _h('/**')
     _h(' * Return the reply')
@@ -2122,7 +2406,7 @@ def _c_reply(self, name):
     _h(' * @param e      The xcb_generic_error_t supplied')
     _h(' *')
     _h(' * Returns the reply of the request asked by')
-    _h(' * ')
+    _h(' *')
     _h(' * The parameter @p e supplied to this function must be NULL if')
     _h(' * %s(). is used.', self.c_unchecked_name)
     _h(' * Otherwise, it stores the error if any.')
@@ -2130,28 +2414,16 @@ def _c_reply(self, name):
     _h(' * The returned value must be freed by the caller using free().')
     _h(' */')
     _c('')
-    _hc('')
-    _hc('/*****************************************************************************')
-    _hc(' **')
-    _hc(' ** %s * %s', self.c_reply_type, self.c_reply_name)
-    _hc(' ** ')
-    _hc(' ** @param xcb_connection_t%s  *c', spacing1)
-    _hc(' ** @param %s   cookie', self.c_cookie_type)
-    _hc(' ** @param xcb_generic_error_t%s **e', spacing2)
-    _hc(' ** @returns %s *', self.c_reply_type)
-    _hc(' **')
-    _hc(' *****************************************************************************/')
-    _hc(' ')
     _hc('%s *', self.c_reply_type)
     _hc('%s (xcb_connection_t%s  *c  /**< */,', self.c_reply_name, spacing1)
     _hc('%s%s   cookie  /**< */,', spacing3, self.c_cookie_type)
     _h('%sxcb_generic_error_t%s **e  /**< */);', spacing3, spacing2)
     _c('%sxcb_generic_error_t%s **e  /**< */)', spacing3, spacing2)
     _c('{')
-    
+
     if len(unserialize_fields)>0:
         # certain variable size fields need to be unserialized explicitly
-        _c('    %s *reply = (%s *) xcb_wait_for_reply(c, cookie.sequence, e);', 
+        _c('    %s *reply = (%s *) xcb_wait_for_reply(c, cookie.sequence, e);',
            self.c_reply_type, self.c_reply_type)
         _c('    int i;')
         for field in unserialize_fields:
@@ -2167,18 +2439,52 @@ def _c_reply(self, name):
             if field.type.is_list:
                 _c('    for(i=0; i<%s_len; i++) {', field.c_field_name)
                 _c('        %s_data = %s_iter.data;', field.c_field_name, field.c_field_name)
-                _c('        %s((const void *)%s_data, &%s_data);', field.type.c_unserialize_name, 
+                _c('        %s((const void *)%s_data, &%s_data);', field.type.c_unserialize_name,
                    field.c_field_name, field.c_field_name)
                 _c('        %s(&%s_iter);', field.type.c_next_name, field.c_field_name)
                 _c('    }')
         # return the transformed reply
         _c('    return reply;')
-    
+
     else:
         _c('    return (%s *) xcb_wait_for_reply(c, cookie.sequence, e);', self.c_reply_type)
 
     _c('}')
 
+def _c_reply_has_fds(self):
+    for field in self.fields:
+        if field.isfd:
+            return True
+    return False
+
+def _c_reply_fds(self, name):
+    '''
+    Declares the function that returns fds related to the reply.
+    '''
+    spacing1 = ' ' * (len(self.c_reply_type) - len('xcb_connection_t'))
+    spacing3 = ' ' * (len(self.c_reply_fds_name) + 2)
+    _h('')
+    _h('/**')
+    _h(' * Return the reply fds')
+    _h(' * @param c      The connection')
+    _h(' * @param reply  The reply')
+    _h(' *')
+    _h(' * Returns the array of reply fds of the request asked by')
+    _h(' *')
+    _h(' * The returned value must be freed by the caller using free().')
+    _h(' */')
+    _c('')
+    _hc('int *')
+    _hc('%s (xcb_connection_t%s  *c  /**< */,', self.c_reply_fds_name, spacing1)
+    _h('%s%s  *reply  /**< */);', spacing3, self.c_reply_type)
+    _c('%s%s  *reply  /**< */)', spacing3, self.c_reply_type)
+    _c('{')
+
+    _c('    return xcb_get_reply_fds(c, reply, sizeof(%s) + 4 * reply->length);', self.c_reply_type)
+
+    _c('}')
+
+
 def _c_opcode(name, opcode):
     '''
     Declares the opcode define for requests, events, and errors.
@@ -2187,7 +2493,7 @@ def _c_opcode(name, opcode):
     _h('')
     _h('/** Opcode for %s. */', _n(name))
     _h('#define %s %s', _n(name).upper(), opcode)
-    
+
 def _c_cookie(self, name):
     '''
     Declares the cookie type for a non-void request.
@@ -2201,6 +2507,523 @@ def _c_cookie(self, name):
     _h('    unsigned int sequence; /**<  */')
     _h('} %s;', self.c_cookie_type)
 
+def _man_request(self, name, cookie_type, void, aux):
+    param_fields = [f for f in self.fields if f.visible]
+
+    func_name = self.c_request_name if not aux else self.c_aux_name
+
+    def create_link(linkname):
+        name = 'man/%s.%s' % (linkname, section)
+        if manpaths:
+            sys.stdout.write(name)
+        f = open(name, 'w')
+        f.write('.so man%s/%s.%s' % (section, func_name, section))
+        f.close()
+
+    if manpaths:
+        sys.stdout.write('man/%s.%s ' % (func_name, section))
+    # Our CWD is src/, so this will end up in src/man/
+    f = open('man/%s.%s' % (func_name, section), 'w')
+    f.write('.TH %s %s  "%s" "%s" "XCB Requests"\n' % (func_name, section, center_footer, left_footer))
+    # Left-adjust instead of adjusting to both sides
+    f.write('.ad l\n')
+    f.write('.SH NAME\n')
+    brief = self.doc.brief if hasattr(self, "doc") and self.doc else ''
+    f.write('%s \\- %s\n' % (func_name, brief))
+    f.write('.SH SYNOPSIS\n')
+    # Don't split words (hyphenate)
+    f.write('.hy 0\n')
+    f.write('.B #include <xcb/%s.h>\n' % _ns.header)
+
+    # function prototypes
+    prototype = ''
+    count = len(param_fields)
+    for field in param_fields:
+        count = count - 1
+        c_field_const_type = field.c_field_const_type
+        c_pointer = field.c_pointer
+        if c_pointer == ' ':
+            c_pointer = ''
+        if field.type.c_need_serialize and not aux:
+            c_field_const_type = "const void"
+            c_pointer = '*'
+        comma = ', ' if count else ');'
+        prototype += '%s\\ %s\\fI%s\\fP%s' % (c_field_const_type, c_pointer, field.c_field_name, comma)
+
+    f.write('.SS Request function\n')
+    f.write('.HP\n')
+    base_func_name = self.c_request_name if not aux else self.c_aux_name
+    f.write('%s \\fB%s\\fP(xcb_connection_t\\ *\\fIconn\\fP, %s\n' % (cookie_type, base_func_name, prototype))
+    create_link('%s_%s' % (base_func_name, ('checked' if void else 'unchecked')))
+    if not void:
+        f.write('.PP\n')
+        f.write('.SS Reply datastructure\n')
+        f.write('.nf\n')
+        f.write('.sp\n')
+        f.write('typedef %s %s {\n' % (self.reply.c_container, self.reply.c_type))
+        struct_fields = []
+        maxtypelen = 0
+
+        for field in self.reply.fields:
+            if not field.type.fixed_size() and not self.is_switch and not self.is_union:
+                continue
+            if field.wire:
+                struct_fields.append(field)
+
+        for field in struct_fields:
+            length = len(field.c_field_type)
+            # account for '*' pointer_spec
+            if not field.type.fixed_size():
+                length += 1
+            maxtypelen = max(maxtypelen, length)
+
+        def _c_complex_field(self, field, space=''):
+            if (field.type.fixed_size() or
+                # in case of switch with switch children, don't make the field a pointer
+                # necessary for unserialize to work
+                (self.is_switch and field.type.is_switch)):
+                spacing = ' ' * (maxtypelen - len(field.c_field_type))
+                f.write('%s    %s%s \\fI%s\\fP%s;\n' % (space, field.c_field_type, spacing, field.c_field_name, field.c_subscript))
+            else:
+                spacing = ' ' * (maxtypelen - (len(field.c_field_type) + 1))
+                f.write('ELSE %s = %s\n' % (field.c_field_type, field.c_field_name))
+                #_h('%s    %s%s *%s%s; /**<  */', space, field.c_field_type, spacing, field.c_field_name, field.c_subscript)
+
+        if not self.is_switch:
+            for field in struct_fields:
+                _c_complex_field(self, field)
+        else:
+            for b in self.bitcases:
+                space = ''
+                if b.type.has_name:
+                    space = '    '
+                for field in b.type.fields:
+                    _c_complex_field(self, field, space)
+                if b.type.has_name:
+                    print >> sys.stderr, 'ERROR: New unhandled documentation case'
+                    pass
+
+        f.write('} \\fB%s\\fP;\n' % self.reply.c_type)
+        f.write('.fi\n')
+
+        f.write('.SS Reply function\n')
+        f.write('.HP\n')
+        f.write(('%s *\\fB%s\\fP(xcb_connection_t\\ *\\fIconn\\fP, %s\\ '
+                 '\\fIcookie\\fP, xcb_generic_error_t\\ **\\fIe\\fP);\n') %
+                (self.c_reply_type, self.c_reply_name, self.c_cookie_type))
+        create_link('%s' % self.c_reply_name)
+
+        has_accessors = False
+        for field in self.reply.fields:
+            if field.type.is_list and not field.type.fixed_size():
+                has_accessors = True
+            elif field.prev_varsized_field is not None or not field.type.fixed_size():
+                has_accessors = True
+
+        if has_accessors:
+            f.write('.SS Reply accessors\n')
+
+        def _c_accessors_field(self, field):
+            '''
+            Declares the accessor functions for a non-list field that follows a variable-length field.
+            '''
+            c_type = self.c_type
+
+            # special case: switch
+            switch_obj = self if self.is_switch else None
+            if self.is_case_or_bitcase:
+                switch_obj = self.parents[-1]
+            if switch_obj is not None:
+                c_type = switch_obj.c_type
+
+            if field.type.is_simple:
+                f.write('%s %s (const %s *reply)\n' % (field.c_field_type, field.c_accessor_name, c_type))
+                create_link('%s' % field.c_accessor_name)
+            else:
+                f.write('%s *%s (const %s *reply)\n' % (field.c_field_type, field.c_accessor_name, c_type))
+                create_link('%s' % field.c_accessor_name)
+
+        def _c_accessors_list(self, field):
+            '''
+            Declares the accessor functions for a list field.
+            Declares a direct-accessor function only if the list members are fixed size.
+            Declares length and get-iterator functions always.
+            '''
+            list = field.type
+            c_type = self.reply.c_type
+
+            # special case: switch
+            # in case of switch, 2 params have to be supplied to certain accessor functions:
+            #   1. the anchestor object (request or reply)
+            #   2. the (anchestor) switch object
+            # the reason is that switch is either a child of a request/reply or nested in another switch,
+            # so whenever we need to access a length field, we might need to refer to some anchestor type
+            switch_obj = self if self.is_switch else None
+            if self.is_case_or_bitcase:
+                switch_obj = self.parents[-1]
+            if switch_obj is not None:
+                c_type = switch_obj.c_type
+
+            params = []
+            fields = {}
+            parents = self.parents if hasattr(self, 'parents') else [self]
+            # 'R': parents[0] is always the 'toplevel' container type
+            params.append(('const %s *\\fIreply\\fP' % parents[0].c_type, parents[0]))
+            fields.update(_c_helper_field_mapping(parents[0], [('R', '->', parents[0])], flat=True))
+            # auxiliary object for 'R' parameters
+            R_obj = parents[0]
+
+            if switch_obj is not None:
+                # now look where the fields are defined that are needed to evaluate
+                # the switch expr, and store the parent objects in accessor_params and
+                # the fields in switch_fields
+
+                # 'S': name for the 'toplevel' switch
+                toplevel_switch = parents[1]
+                params.append(('const %s *S' % toplevel_switch.c_type, toplevel_switch))
+                fields.update(_c_helper_field_mapping(toplevel_switch, [('S', '->', toplevel_switch)], flat=True))
+
+                # initialize prefix for everything "below" S
+                prefix_str = '/* %s */ S' % toplevel_switch.name[-1]
+                prefix = [(prefix_str, '->', toplevel_switch)]
+
+                # look for fields in the remaining containers
+                for p in parents[2:] + [self]:
+                    # the separator between parent and child is always '.' here,
+                    # because of nested switch statements
+                    if not p.is_case_or_bitcase or (p.is_case_or_bitcase and p.has_name):
+                        prefix.append((p.name[-1], '.', p))
+                    fields.update(_c_helper_field_mapping(p, prefix, flat=True))
+
+                # auxiliary object for 'S' parameter
+                S_obj = parents[1]
+
+            if list.member.fixed_size():
+                idx = 1 if switch_obj is not None else 0
+                f.write('.HP\n')
+                f.write('%s *\\fB%s\\fP(%s);\n' %
+                        (field.c_field_type, field.c_accessor_name, params[idx][0]))
+                create_link('%s' % field.c_accessor_name)
+
+            f.write('.HP\n')
+            f.write('int \\fB%s\\fP(const %s *\\fIreply\\fP);\n' %
+                    (field.c_length_name, c_type))
+            create_link('%s' % field.c_length_name)
+
+            if field.type.member.is_simple:
+                f.write('.HP\n')
+                f.write('xcb_generic_iterator_t \\fB%s\\fP(const %s *\\fIreply\\fP);\n' %
+                        (field.c_end_name, c_type))
+                create_link('%s' % field.c_end_name)
+            else:
+                f.write('.HP\n')
+                f.write('%s \\fB%s\\fP(const %s *\\fIreply\\fP);\n' %
+                        (field.c_iterator_type, field.c_iterator_name,
+                         c_type))
+                create_link('%s' % field.c_iterator_name)
+
+        for field in self.reply.fields:
+            if field.type.is_list and not field.type.fixed_size():
+                _c_accessors_list(self, field)
+            elif field.prev_varsized_field is not None or not field.type.fixed_size():
+                _c_accessors_field(self, field)
+
+
+    f.write('.br\n')
+    # Re-enable hyphenation and adjusting to both sides
+    f.write('.hy 1\n')
+
+    # argument reference
+    f.write('.SH REQUEST ARGUMENTS\n')
+    f.write('.IP \\fI%s\\fP 1i\n' % 'conn')
+    f.write('The XCB connection to X11.\n')
+    for field in param_fields:
+        f.write('.IP \\fI%s\\fP 1i\n' % (field.c_field_name))
+        printed_enum = False
+        # XXX: hard-coded until we fix xproto.xml
+        if base_func_name == 'xcb_change_gc' and field.c_field_name == 'value_mask':
+            field.enum = 'GC'
+        elif base_func_name == 'xcb_change_window_attributes' and field.c_field_name == 'value_mask':
+            field.enum = 'CW'
+        elif base_func_name == 'xcb_create_window' and field.c_field_name == 'value_mask':
+            field.enum = 'CW'
+        if hasattr(field, "enum") and field.enum:
+            # XXX: why the 'xcb' prefix?
+            key = ('xcb', field.enum)
+            if key in enums:
+                f.write('One of the following values:\n')
+                f.write('.RS 1i\n')
+                enum = enums[key]
+                count = len(enum.values)
+                for (enam, eval) in enum.values:
+                    count = count - 1
+                    f.write('.IP \\fI%s\\fP 1i\n' % (_n(key + (enam,)).upper()))
+                    if hasattr(enum, "doc") and enum.doc and enam in enum.doc.fields:
+                        desc = re.sub(r'`([^`]+)`', r'\\fI\1\\fP', enum.doc.fields[enam])
+                        f.write('%s\n' % desc)
+                    else:
+                        f.write('TODO: NOT YET DOCUMENTED.\n')
+                f.write('.RE\n')
+                f.write('.RS 1i\n')
+                printed_enum = True
+
+        if hasattr(self, "doc") and self.doc and field.field_name in self.doc.fields:
+            desc = self.doc.fields[field.field_name]
+            desc = re.sub(r'`([^`]+)`', r'\\fI\1\\fP', desc)
+            if printed_enum:
+                f.write('\n')
+            f.write('%s\n' % desc)
+        else:
+            f.write('TODO: NOT YET DOCUMENTED.\n')
+        if printed_enum:
+            f.write('.RE\n')
+
+    # Reply reference
+    if not void:
+        f.write('.SH REPLY FIELDS\n')
+        # These fields are present in every reply:
+        f.write('.IP \\fI%s\\fP 1i\n' % 'response_type')
+        f.write(('The type of this reply, in this case \\fI%s\\fP. This field '
+                 'is also present in the \\fIxcb_generic_reply_t\\fP and can '
+                 'be used to tell replies apart from each other.\n') %
+                 _n(self.reply.name).upper())
+        f.write('.IP \\fI%s\\fP 1i\n' % 'sequence')
+        f.write('The sequence number of the last request processed by the X11 server.\n')
+        f.write('.IP \\fI%s\\fP 1i\n' % 'length')
+        f.write('The length of the reply, in words (a word is 4 bytes).\n')
+        for field in self.reply.fields:
+            if (field.c_field_name in frozenset(['response_type', 'sequence', 'length']) or
+                field.c_field_name.startswith('pad')):
+                continue
+
+            if field.type.is_list and not field.type.fixed_size():
+                continue
+            elif field.prev_varsized_field is not None or not field.type.fixed_size():
+                continue
+            f.write('.IP \\fI%s\\fP 1i\n' % (field.c_field_name))
+            printed_enum = False
+            if hasattr(field, "enum") and field.enum:
+                # XXX: why the 'xcb' prefix?
+                key = ('xcb', field.enum)
+                if key in enums:
+                    f.write('One of the following values:\n')
+                    f.write('.RS 1i\n')
+                    enum = enums[key]
+                    count = len(enum.values)
+                    for (enam, eval) in enum.values:
+                        count = count - 1
+                        f.write('.IP \\fI%s\\fP 1i\n' % (_n(key + (enam,)).upper()))
+                        if enum.doc and enam in enum.doc.fields:
+                            desc = re.sub(r'`([^`]+)`', r'\\fI\1\\fP', enum.doc.fields[enam])
+                            f.write('%s\n' % desc)
+                        else:
+                            f.write('TODO: NOT YET DOCUMENTED.\n')
+                    f.write('.RE\n')
+                    f.write('.RS 1i\n')
+                    printed_enum = True
+
+            if hasattr(self.reply, "doc") and self.reply.doc and field.field_name in self.reply.doc.fields:
+                desc = self.reply.doc.fields[field.field_name]
+                desc = re.sub(r'`([^`]+)`', r'\\fI\1\\fP', desc)
+                if printed_enum:
+                    f.write('\n')
+                f.write('%s\n' % desc)
+            else:
+                f.write('TODO: NOT YET DOCUMENTED.\n')
+            if printed_enum:
+                f.write('.RE\n')
+
+
+
+    # text description
+    f.write('.SH DESCRIPTION\n')
+    if hasattr(self, "doc") and self.doc and self.doc.description:
+        desc = self.doc.description
+        desc = re.sub(r'`([^`]+)`', r'\\fI\1\\fP', desc)
+        lines = desc.split('\n')
+        f.write('\n'.join(lines) + '\n')
+
+    f.write('.SH RETURN VALUE\n')
+    if void:
+        f.write(('Returns an \\fIxcb_void_cookie_t\\fP. Errors (if any) '
+                 'have to be handled in the event loop.\n\nIf you want to '
+                 'handle errors directly with \\fIxcb_request_check\\fP '
+                 'instead, use \\fI%s_checked\\fP. See '
+                 '\\fBxcb-requests(%s)\\fP for details.\n') % (base_func_name, section))
+    else:
+        f.write(('Returns an \\fI%s\\fP. Errors have to be handled when '
+                 'calling the reply function \\fI%s\\fP.\n\nIf you want to '
+                 'handle errors in the event loop instead, use '
+                 '\\fI%s_unchecked\\fP. See \\fBxcb-requests(%s)\\fP for '
+                 'details.\n') %
+                (cookie_type, self.c_reply_name, base_func_name, section))
+    f.write('.SH ERRORS\n')
+    if hasattr(self, "doc") and self.doc:
+        for errtype, errtext in sorted(self.doc.errors.items()):
+            f.write('.IP \\fI%s\\fP 1i\n' % (_t(('xcb', errtype, 'error'))))
+            errtext = re.sub(r'`([^`]+)`', r'\\fI\1\\fP', errtext)
+            f.write('%s\n' % (errtext))
+    if not hasattr(self, "doc") or not self.doc or len(self.doc.errors) == 0:
+        f.write('This request does never generate any errors.\n')
+    if hasattr(self, "doc") and self.doc and self.doc.example:
+        f.write('.SH EXAMPLE\n')
+        f.write('.nf\n')
+        f.write('.sp\n')
+        lines = self.doc.example.split('\n')
+        f.write('\n'.join(lines) + '\n')
+        f.write('.fi\n')
+    f.write('.SH SEE ALSO\n')
+    if hasattr(self, "doc") and self.doc:
+        see = ['.BR %s (%s)' % ('xcb-requests', section)]
+        if self.doc.example:
+            see.append('.BR %s (%s)' % ('xcb-examples', section))
+        for seename, seetype in sorted(self.doc.see.items()):
+            if seetype == 'program':
+                see.append('.BR %s (1)' % seename)
+            elif seetype == 'event':
+                see.append('.BR %s (%s)' % (_t(('xcb', seename, 'event')), section))
+            elif seetype == 'request':
+                see.append('.BR %s (%s)' % (_n(('xcb', seename)), section))
+            elif seetype == 'function':
+                see.append('.BR %s (%s)' % (seename, section))
+            else:
+                see.append('TODO: %s (type %s)' % (seename, seetype))
+        f.write(',\n'.join(see) + '\n')
+    f.write('.SH AUTHOR\n')
+    f.write('Generated from %s.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.\n' % _ns.header)
+    f.close()
+
+def _man_event(self, name):
+    if manpaths:
+        sys.stdout.write('man/%s.%s ' % (self.c_type, section))
+    # Our CWD is src/, so this will end up in src/man/
+    f = open('man/%s.%s' % (self.c_type, section), 'w')
+    f.write('.TH %s %s  "%s" "%s" "XCB Events"\n' % (self.c_type, section, center_footer, left_footer))
+    # Left-adjust instead of adjusting to both sides
+    f.write('.ad l\n')
+    f.write('.SH NAME\n')
+    brief = self.doc.brief if hasattr(self, "doc") and self.doc else ''
+    f.write('%s \\- %s\n' % (self.c_type, brief))
+    f.write('.SH SYNOPSIS\n')
+    # Don't split words (hyphenate)
+    f.write('.hy 0\n')
+    f.write('.B #include <xcb/%s.h>\n' % _ns.header)
+
+    f.write('.PP\n')
+    f.write('.SS Event datastructure\n')
+    f.write('.nf\n')
+    f.write('.sp\n')
+    f.write('typedef %s %s {\n' % (self.c_container, self.c_type))
+    struct_fields = []
+    maxtypelen = 0
+
+    for field in self.fields:
+        if not field.type.fixed_size() and not self.is_switch and not self.is_union:
+            continue
+        if field.wire:
+            struct_fields.append(field)
+
+    for field in struct_fields:
+        length = len(field.c_field_type)
+        # account for '*' pointer_spec
+        if not field.type.fixed_size():
+            length += 1
+        maxtypelen = max(maxtypelen, length)
+
+    def _c_complex_field(self, field, space=''):
+        if (field.type.fixed_size() or
+            # in case of switch with switch children, don't make the field a pointer
+            # necessary for unserialize to work
+            (self.is_switch and field.type.is_switch)):
+            spacing = ' ' * (maxtypelen - len(field.c_field_type))
+            f.write('%s    %s%s \\fI%s\\fP%s;\n' % (space, field.c_field_type, spacing, field.c_field_name, field.c_subscript))
+        else:
+            print >> sys.stderr, 'ERROR: New unhandled documentation case'
+
+    if not self.is_switch:
+        for field in struct_fields:
+            _c_complex_field(self, field)
+    else:
+        for b in self.bitcases:
+            space = ''
+            if b.type.has_name:
+                space = '    '
+            for field in b.type.fields:
+                _c_complex_field(self, field, space)
+            if b.type.has_name:
+                print >> sys.stderr, 'ERROR: New unhandled documentation case'
+                pass
+
+    f.write('} \\fB%s\\fP;\n' % self.c_type)
+    f.write('.fi\n')
+
+
+    f.write('.br\n')
+    # Re-enable hyphenation and adjusting to both sides
+    f.write('.hy 1\n')
+
+    # argument reference
+    f.write('.SH EVENT FIELDS\n')
+    f.write('.IP \\fI%s\\fP 1i\n' % 'response_type')
+    f.write(('The type of this event, in this case \\fI%s\\fP. This field is '
+             'also present in the \\fIxcb_generic_event_t\\fP and can be used '
+             'to tell events apart from each other.\n') % _n(name).upper())
+    f.write('.IP \\fI%s\\fP 1i\n' % 'sequence')
+    f.write('The sequence number of the last request processed by the X11 server.\n')
+
+    if not self.is_switch:
+        for field in struct_fields:
+            # Skip the fields which every event has, we already documented
+            # them (see above).
+            if field.c_field_name in ('response_type', 'sequence'):
+                continue
+            if isinstance(field.type, PadType):
+                continue
+            f.write('.IP \\fI%s\\fP 1i\n' % (field.c_field_name))
+            if hasattr(self, "doc") and self.doc and field.field_name in self.doc.fields:
+                desc = self.doc.fields[field.field_name]
+                desc = re.sub(r'`([^`]+)`', r'\\fI\1\\fP', desc)
+                f.write('%s\n' % desc)
+            else:
+                f.write('NOT YET DOCUMENTED.\n')
+
+    # text description
+    f.write('.SH DESCRIPTION\n')
+    if hasattr(self, "doc") and self.doc and self.doc.description:
+        desc = self.doc.description
+        desc = re.sub(r'`([^`]+)`', r'\\fI\1\\fP', desc)
+        lines = desc.split('\n')
+        f.write('\n'.join(lines) + '\n')
+
+    if hasattr(self, "doc") and self.doc and self.doc.example:
+        f.write('.SH EXAMPLE\n')
+        f.write('.nf\n')
+        f.write('.sp\n')
+        lines = self.doc.example.split('\n')
+        f.write('\n'.join(lines) + '\n')
+        f.write('.fi\n')
+    f.write('.SH SEE ALSO\n')
+    if hasattr(self, "doc") and self.doc:
+        see = ['.BR %s (%s)' % ('xcb_generic_event_t', section)]
+        if self.doc.example:
+            see.append('.BR %s (%s)' % ('xcb-examples', section))
+        for seename, seetype in sorted(self.doc.see.items()):
+            if seetype == 'program':
+                see.append('.BR %s (1)' % seename)
+            elif seetype == 'event':
+                see.append('.BR %s (%s)' % (_t(('xcb', seename, 'event')), section))
+            elif seetype == 'request':
+                see.append('.BR %s (%s)' % (_n(('xcb', seename)), section))
+            elif seetype == 'function':
+                see.append('.BR %s (%s)' % (seename, section))
+            else:
+                see.append('TODO: %s (type %s)' % (seename, seetype))
+        f.write(',\n'.join(see) + '\n')
+    f.write('.SH AUTHOR\n')
+    f.write('Generated from %s.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.\n' % _ns.header)
+    f.close()
+
+
 def c_request(self, name):
     '''
     Exported function that handles request declarations.
@@ -2222,40 +3045,99 @@ def c_request(self, name):
         # Reply structure definition
         _c_complex(self.reply)
         # Request prototypes
-        _c_request_helper(self, name, self.c_cookie_type, False, True)
-        _c_request_helper(self, name, self.c_cookie_type, False, False)
-        if self.need_aux:
-            _c_request_helper(self, name, self.c_cookie_type, False, True, True)
-            _c_request_helper(self, name, self.c_cookie_type, False, False, True)
+        has_fds = _c_reply_has_fds(self.reply)
+        _c_request_helper(self, name, self.c_cookie_type, False, True, False, has_fds)
+        _c_request_helper(self, name, self.c_cookie_type, False, False, False, has_fds)
+        if self.c_need_aux:
+            _c_request_helper(self, name, self.c_cookie_type, False, True, True, has_fds)
+            _c_request_helper(self, name, self.c_cookie_type, False, False, True, has_fds)
         # Reply accessors
         _c_accessors(self.reply, name + ('reply',), name)
         _c_reply(self, name)
+        if has_fds:
+            _c_reply_fds(self, name)
     else:
         # Request prototypes
         _c_request_helper(self, name, 'xcb_void_cookie_t', True, False)
         _c_request_helper(self, name, 'xcb_void_cookie_t', True, True)
-        if self.need_aux:
+        if self.c_need_aux:
             _c_request_helper(self, name, 'xcb_void_cookie_t', True, False, True)
             _c_request_helper(self, name, 'xcb_void_cookie_t', True, True, True)
 
+    # We generate the manpage afterwards because _c_type_setup has been called.
+    # TODO: what about aux helpers?
+    cookie_type = self.c_cookie_type if self.reply else 'xcb_void_cookie_t'
+    _man_request(self, name, cookie_type, not self.reply, False)
 
 def c_event(self, name):
     '''
     Exported function that handles event declarations.
     '''
-    _c_type_setup(self, name, ('event',))
+
+    # The generic event structure xcb_ge_event_t has the full_sequence field
+    # at the 32byte boundary. That's why we've to inject this field into GE
+    # events while generating the structure for them. Otherwise we would read
+    # garbage (the internal full_sequence) when accessing normal event fields
+    # there.
+    force_packed = False
+    if hasattr(self, 'is_ge_event') and self.is_ge_event and self.name == name:
+        event_size = 0
+        for field in self.fields:
+            if field.type.size != None and field.type.nmemb != None:
+                event_size += field.type.size * field.type.nmemb
+            if event_size == 32:
+                full_sequence = Field(tcard32, tcard32.name, 'full_sequence', False, True, True)
+                idx = self.fields.index(field)
+                self.fields.insert(idx + 1, full_sequence)
+
+                # If the event contains any 64-bit extended fields, they need
+                # to remain aligned on a 64-bit boundary.  Adding full_sequence
+                # would normally break that; force the struct to be packed.
+                force_packed = any(f.type.size == 8 and f.type.is_simple for f in self.fields[(idx+1):])
+                break
+
+    if self.name == name:
+        _c_type_setup(self, name, ('event',))
+        # generate accessors
+        # (needed for fields after var-sized fields, for lists with var-sized elements,
+        # switches, ...)
+        _c_accessors(self, name, name)
+    else:
+        # no type-setup needed for eventcopies
+        # (the type-setup of an eventcopy would overwrite members of the original
+        # event, and it would create sizeof-etc funtions which
+        # called undefined accessor functions)
+        pass
 
     # Opcode define
     _c_opcode(name, self.opcodes[name])
 
     if self.name == name:
         # Structure definition
-        _c_complex(self)
+        _c_complex(self, force_packed)
     else:
         # Typedef
         _h('')
         _h('typedef %s %s;', _t(self.name + ('event',)), _t(name + ('event',)))
 
+        # Create sizeof-function for eventcopies for compatibility reasons
+        if self.c_need_sizeof:
+            _h_setlevel(1)
+            _c_setlevel(1)
+            _h('')
+            _h('int')
+            _h('%s (const void  *_buffer  /**< */);', _n(name + ('sizeof',)))
+            _c('')
+            _c('int')
+            _c('%s (const void  *_buffer  /**< */)', _n(name + ('sizeof',)))
+            _c('{');
+            _c('    return %s(_buffer);', _n(self.name + ('sizeof',)))
+            _c('}');
+            _h_setlevel(0)
+            _c_setlevel(0)
+
+    _man_event(self, name)
+
 def c_error(self, name):
     '''
     Exported function that handles error declarations.
@@ -2285,26 +3167,36 @@ output = {'open'    : c_open,
           'union'   : c_union,
           'request' : c_request,
           'event'   : c_event,
-          'error'   : c_error, 
+          'error'   : c_error,
           }
 
 # Boilerplate below this point
 
 # Check for the argument that specifies path to the xcbgen python package.
 try:
-    opts, args = getopt.getopt(sys.argv[1:], 'p:')
+    opts, args = getopt.getopt(sys.argv[1:], 'c:l:s:p:m')
 except getopt.GetoptError as err:
     print(err)
-    print('Usage: c_client.py [-p path] file.xml')
+    print('Usage: c_client.py -c center_footer -l left_footer -s section [-p path] file.xml')
     sys.exit(1)
 
 for (opt, arg) in opts:
+    if opt == '-c':
+        center_footer=arg
+    if opt == '-l':
+        left_footer=arg
+    if opt == '-s':
+        section=arg
     if opt == '-p':
         sys.path.insert(1, arg)
+    elif opt == '-m':
+        manpaths = True
+        sys.stdout.write('man_MANS = ')
 
 # Import the module class
 try:
     from xcbgen.state import Module
+    from xcbgen.xtypes import *
 except ImportError:
     print('''
 Failed to load the xcbgen Python package!
@@ -2315,6 +3207,13 @@ Refer to the README file in xcb/proto for more info.
 ''')
     raise
 
+# Ensure the man subdirectory exists
+try:
+    os.mkdir('man')
+except OSError as e:
+    if e.errno != errno.EEXIST:
+        raise
+
 # Parse the xml header
 module = Module(args[0], output)