Update libxcb to version 1.10. Tested by naddy@ and shadchin@.

1 files changed, 103 insertions, 17 deletions

diff --git a/dist/libxcb/src/c_client.py b/dist/libxcb/src/c_client.py
index ec66223f1..99fd307b0 100644
--- a/dist/libxcb/src/c_client.py
+++ b/dist/libxcb/src/c_client.py
@@ -303,6 +303,7 @@ 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
@@ -687,10 +688,20 @@ 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)]
@@ -1050,8 +1061,8 @@ def _c_serialize_helper(context, complex_type,
         if context in ('unserialize', 'unpack', 'sizeof') and not self.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, 
@@ -1122,11 +1133,11 @@ 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 +1160,7 @@ 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 +1205,7 @@ 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:
@@ -1777,12 +1788,12 @@ def _c_complex(self):
     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)):
@@ -1825,7 +1836,7 @@ 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.
     '''
@@ -1854,6 +1865,12 @@ 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'
 
@@ -2139,6 +2156,10 @@ def _c_request_helper(self, name, cookie_type, void, regular, aux=False):
         # no padding necessary - _serialize() keeps track of padding automatically
 
     _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
@@ -2242,6 +2263,51 @@ def _c_reply(self, name):
 
     _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('')
+    _hc('/*****************************************************************************')
+    _hc(' **')
+    _hc(' ** int * %s', self.c_reply_fds_name)
+    _hc(' ** ')
+    _hc(' ** @param xcb_connection_t%s  *c', spacing1)
+    _hc(' ** @param %s  *reply', self.c_reply_type)
+    _hc(' ** @returns int *')
+    _hc(' **')
+    _hc(' *****************************************************************************/')
+    _hc(' ')
+    _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.
@@ -2802,14 +2868,17 @@ 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)
+        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.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)
+            _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)
@@ -2827,6 +2896,23 @@ 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