#include <netinet/in.h>
#include <sys/select.h>
#include <sys/fcntl.h>
+#include <errno.h>
#include "xcb.h"
#include "xcbint.h"
parts[count].iov_len = sizeof(XCBConnSetupReq);
parts[count++].iov_base = &out;
parts[count].iov_len = XCB_PAD(sizeof(XCBConnSetupReq));
- parts[count++].iov_base = (caddr_t) pad;
+ parts[count++].iov_base = (char *) pad;
if(auth_info)
{
parts[count].iov_len = out.authorization_protocol_name_len = auth_info->namelen;
parts[count++].iov_base = auth_info->name;
parts[count].iov_len = XCB_PAD(out.authorization_protocol_name_len);
- parts[count++].iov_base = (caddr_t) pad;
+ parts[count++].iov_base = (char *) pad;
parts[count].iov_len = out.authorization_protocol_data_len = auth_info->datalen;
parts[count++].iov_base = auth_info->data;
parts[count].iov_len = XCB_PAD(out.authorization_protocol_data_len);
- parts[count++].iov_base = (caddr_t) pad;
+ parts[count++].iov_base = (char *) pad;
}
assert(count <= sizeof(parts) / sizeof(*parts));
return 1;
}
+/* precondition: there must be something for us to write. */
+static int write_vec(XCBConnection *c, struct iovec **vector, int *count)
+{
+ int n;
+ assert(!c->out.queue_len);
+ n = writev(c->fd, *vector, *count);
+ if(n < 0 && errno == EAGAIN)
+ return 1;
+ if(n <= 0)
+ return 0;
+
+ for(; *count; --*count, ++*vector)
+ {
+ int cur = (*vector)->iov_len;
+ if(cur > n)
+ cur = n;
+ (*vector)->iov_len -= cur;
+ (*vector)->iov_base = (char *) (*vector)->iov_base + cur;
+ n -= cur;
+ if((*vector)->iov_len)
+ break;
+ }
+ if(!*count)
+ *vector = 0;
+ assert(n == 0);
+ return 1;
+}
+
/* Public interface */
XCBConnSetupSuccessRep *XCBGetSetup(XCBConnection *c)
ret = ret && _xcb_in_read(c);
if(FD_ISSET(c->fd, &wfds))
- ret = ret && _xcb_out_write(c, vector, count);
+ ret = ret && write_vec(c, vector, count);
}
if(count)