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