include/heap.h

   1 /*
   2  * Win32 heap definitions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_HEAP_H
   8 #define __WINE_HEAP_H
   9
  10 #include "config.h"
  11
  12 #include <string.h>
  13 #include "winbase.h"
  14 #include "winnls.h"
  15 #include "wine/unicode.h"
  16 #include "wine/windef16.h"  /* for SEGPTR */
  17
  18 extern SEGPTR HEAP_GetSegptr( HANDLE heap, DWORD flags, LPCVOID ptr );
  19
  20 /* SEGPTR helper macros */
  21
  22 #define SEGPTR_ALLOC(size) \
  23      (HeapAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, (size) ))
  24 #define SEGPTR_NEW(type) \
  25      ((type *)HeapAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, sizeof(type) ))
  26 #define SEGPTR_STRDUP_WtoA(str) \
  27      (HIWORD(str) ? HEAP_strdupWtoA( GetProcessHeap(), HEAP_WINE_SEGPTR, (str) ) : (LPSTR)(str))
  28 #define SEGPTR_FREE(ptr) \
  29      (HIWORD(ptr) ? HeapFree( GetProcessHeap(), HEAP_WINE_SEGPTR, (ptr) ) : 0)
  30 #define SEGPTR_GET(ptr) MapLS(ptr)
  31
  32 inline static LPSTR SEGPTR_STRDUP( LPCSTR str )
  33 {
  34     if (HIWORD(str))
  35     {
  36         INT len = strlen(str) + 1;
  37         LPSTR p = HeapAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, len );
  38         if (p) memcpy( p, str, len );
  39         return p;
  40     }
  41     return (LPSTR)str;
  42 }
  43
  44 /* strdup macros */
  45 /* DO NOT USE THEM!!  they will go away soon */
  46
  47 inline static LPWSTR HEAP_strdupAtoW( HANDLE heap, DWORD flags, LPCSTR str )
  48 {
  49     LPWSTR ret;
  50     INT len;
  51
  52     if (!str) return NULL;
  53     len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
  54     ret = HeapAlloc( heap, flags, len * sizeof(WCHAR) );
  55     if (ret) MultiByteToWideChar( CP_ACP, 0, str, -1, ret, len );
  56     return ret;
  57 }
  58
  59 inline static LPSTR HEAP_strdupWtoA( HANDLE heap, DWORD flags, LPCWSTR str )
  60 {
  61     LPSTR ret;
  62     INT len;
  63
  64     if (!str) return NULL;
  65     len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
  66     ret = HeapAlloc( heap, flags, len );
  67     if(ret) WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
  68     return ret;
  69 }
  70
  71 #endif  /* __WINE_HEAP_H */