dlls/hlink/hlink_private.h

   1 /*
   2  * Copyright 2007 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "winerror.h"
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "ole2.h"
  28 #include "hlink.h"
  29
  30 #include "wine/unicode.h"
  31
  32 extern HRESULT WINAPI HLink_Constructor(IUnknown*,REFIID,void**);
  33 extern HRESULT WINAPI HLinkBrowseContext_Constructor(IUnknown*,REFIID,void**);
  34
  35 static inline void *heap_alloc(size_t len)
  36 {
  37     return HeapAlloc(GetProcessHeap(), 0, len);
  38 }
  39
  40 static inline void *heap_alloc_zero(size_t len)
  41 {
  42     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
  43 }
  44
  45 static inline BOOL heap_free(void *mem)
  46 {
  47     return HeapFree(GetProcessHeap(), 0, mem);
  48 }
  49
  50 static inline LPWSTR hlink_strdupW(LPCWSTR str)
  51 {
  52     LPWSTR ret = NULL;
  53
  54     if(str) {
  55         DWORD size;
  56
  57         size = (strlenW(str)+1)*sizeof(WCHAR);
  58         ret = heap_alloc(size);
  59         memcpy(ret, str, size);
  60     }
  61
  62     return ret;
  63 }
  64
  65 static inline LPWSTR hlink_co_strdupW(LPCWSTR str)
  66 {
  67     LPWSTR ret = NULL;
  68
  69     if(str) {
  70         DWORD size;
  71
  72         size = (strlenW(str)+1)*sizeof(WCHAR);
  73         ret = CoTaskMemAlloc(size);
  74         memcpy(ret, str, size);
  75     }
  76
  77     return ret;
  78 }