wine/include/heap.h
2001-07-24 21:45:22 +00:00

72 lines
1.9 KiB
C

/*
* Win32 heap definitions
*
* Copyright 1996 Alexandre Julliard
*/
#ifndef __WINE_HEAP_H
#define __WINE_HEAP_H
#include "config.h"
#include <string.h>
#include "winbase.h"
#include "winnls.h"
#include "wine/unicode.h"
#include "wine/windef16.h" /* for SEGPTR */
extern SEGPTR HEAP_GetSegptr( HANDLE heap, DWORD flags, LPCVOID ptr );
/* SEGPTR helper macros */
#define SEGPTR_ALLOC(size) \
(HeapAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, (size) ))
#define SEGPTR_NEW(type) \
((type *)HeapAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, sizeof(type) ))
#define SEGPTR_STRDUP_WtoA(str) \
(HIWORD(str) ? HEAP_strdupWtoA( GetProcessHeap(), HEAP_WINE_SEGPTR, (str) ) : (LPSTR)(str))
#define SEGPTR_FREE(ptr) \
(HIWORD(ptr) ? HeapFree( GetProcessHeap(), HEAP_WINE_SEGPTR, (ptr) ) : 0)
#define SEGPTR_GET(ptr) MapLS(ptr)
inline static LPSTR SEGPTR_STRDUP( LPCSTR str )
{
if (HIWORD(str))
{
INT len = strlen(str) + 1;
LPSTR p = HeapAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, len );
if (p) memcpy( p, str, len );
return p;
}
return (LPSTR)str;
}
/* strdup macros */
/* DO NOT USE THEM!! they will go away soon */
inline static LPWSTR HEAP_strdupAtoW( HANDLE heap, DWORD flags, LPCSTR str )
{
LPWSTR ret;
INT len;
if (!str) return NULL;
len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
ret = HeapAlloc( heap, flags, len * sizeof(WCHAR) );
if (ret) MultiByteToWideChar( CP_ACP, 0, str, -1, ret, len );
return ret;
}
inline static LPSTR HEAP_strdupWtoA( HANDLE heap, DWORD flags, LPCWSTR str )
{
LPSTR ret;
INT len;
if (!str) return NULL;
len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
ret = HeapAlloc( heap, flags, len );
if(ret) WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
return ret;
}
#endif /* __WINE_HEAP_H */