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authormarha <marha@users.sourceforge.net>2011-08-29 08:51:20 +0200
committermarha <marha@users.sourceforge.net>2011-08-29 08:51:20 +0200
commit01df5d59e56a1b060568f8cad2e89f7eea22fc70 (patch)
tree9db83037fd85d0974b60fc1a05e0665083f26000 /libxcb/src/c_client.py
parentfd1f4d9fe3ea67fa6def8ee4927a8f71e0440f12 (diff)
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xwininfo libX11 libXmu libxcb mesa xserver xkeyboard-config git update 29
aug 2011
Diffstat (limited to 'libxcb/src/c_client.py')
-rw-r--r--libxcb/src/c_client.py12
1 files changed, 11 insertions, 1 deletions
diff --git a/libxcb/src/c_client.py b/libxcb/src/c_client.py
index ef245c561..ad3ea22ea 100644
--- a/libxcb/src/c_client.py
+++ b/libxcb/src/c_client.py
@@ -171,9 +171,13 @@ def c_open(self):
_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:
_hc('#include "%s.h"', h)
@@ -637,7 +641,7 @@ def get_serialize_params(context, self, buffer_var='_buffer', aux_var='_aux'):
def _c_serialize_helper_insert_padding(context, code_lines, space, postpone):
code_lines.append('%s /* insert padding */' % space)
- code_lines.append('%s xcb_pad = -xcb_block_len & 3;' % space)
+ 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)
@@ -993,6 +997,8 @@ def _c_serialize_helper_fields(context, self,
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))
+
need_padding = True
if self.var_followed_by_fixed_fields:
need_padding = False
@@ -1100,9 +1106,11 @@ 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;')
else:
_c(' char *xcb_out = *_buffer;')
_c(' unsigned int xcb_buffer_len = 0;')
+ _c(' unsigned int xcb_align_to;')
prefix = [('_aux', '->', self)]
aux_ptr = 'xcb_out'
@@ -1125,6 +1133,7 @@ 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;')
elif 'sizeof' == context:
param_names = [p[2] for p in params]
@@ -1169,6 +1178,7 @@ 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('')
for t in temp_vars: