c_client.py: Always initialize xcb_align_to

[free-sw/xcb/libxcb] / src / c_client.py

diff --git a/src/c_client.py b/src/c_client.py
index 9952a09..2aba741 100644 (file)
--- a/src/c_client.py
+++ b/src/c_client.py
@@ -687,10 +687,20 @@ def _c_serialize_helper_switch(context, self, complex_name,
     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))
+        len_expr = len(b.type.expr)
+        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) {' % (switch_expr, bitcase_expr))
+            # multiple <enumref> in the <bitcase>
+            elif n == 0: # first
+                code_lines.append('    if((%s & %s) ||' % (switch_expr, bitcase_expr))
+            elif len_expr == (n + 1): # last
+                code_lines.append('       (%s & %s)) {' % (switch_expr, bitcase_expr))
+            else: # between first and last
+                code_lines.append('       (%s & %s) ||' % (switch_expr, bitcase_expr))
+
         b_prefix = prefix
         if b.type.has_name:
             b_prefix = prefix + [(b.c_field_name, '.', b.type)]
@@ -1122,11 +1132,11 @@ def _c_serialize(context, self):
             _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;')
         prefix = [('_aux', '->', self)]
         aux_ptr = 'xcb_out'
 
@@ -1149,7 +1159,7 @@ 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;')
 
     elif 'sizeof' == context:
         param_names = [p[2] for p in params]
@@ -1194,7 +1204,7 @@ 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;')
 
     _c('')
     for t in temp_vars:
@@ -2827,6 +2837,23 @@ def c_event(self, name):
     '''
     Exported function that handles event declarations.
     '''
+
+    # 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.
+    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)
+                break
+
     _c_type_setup(self, name, ('event',))
 
     # Opcode define
@@ -2908,7 +2935,7 @@ Refer to the README file in xcb/proto for more info.
 # Ensure the man subdirectory exists
 try:
     os.mkdir('man')
-except OSError, e:
+except OSError as e:
     if e.errno != errno.EEXIST:
         raise