localeansi.c File Reference

#include <k32.h>

Include dependency graph for localeansi.c:

Go to the source code of this file.

Functions
INT WINAPI	FoldStringA (DWORD dwFlags, LPCSTR src, INT srclen, LPSTR dst, INT dstlen)

Function Documentation

FoldStringA()

INT WINAPI FoldStringA	(	DWORD	dwFlags,
		LPCSTR	src,
		INT	srclen,
		LPSTR	dst,
		INT	dstlen
	)

Definition at line 44 of file localeansi.c.

{
    INT ret = 0, srclenW = 0;
    WCHAR *srcW = NULL, *dstW = NULL;
 
    if (!src || !srclen || dstlen < 0 || (dstlen && !dst) || src == dst)
    {
        SetLastError(ERROR_INVALID_PARAMETER);
        return 0;
    }
 
    srclenW = MultiByteToWideChar(CP_ACP, dwFlags & MAP_COMPOSITE ? MB_COMPOSITE : 0,
                                  src, srclen, NULL, 0);
    srcW = HeapAlloc(GetProcessHeap(), 0, srclenW * sizeof(WCHAR));
 
    if (!srcW)
    {
        SetLastError(ERROR_NOT_ENOUGH_MEMORY);
        goto FoldStringA_exit;
    }
 
    MultiByteToWideChar(CP_ACP, dwFlags & MAP_COMPOSITE ? MB_COMPOSITE : 0,
                        src, srclen, srcW, srclenW);
 
    dwFlags = (dwFlags & ~MAP_PRECOMPOSED) | MAP_FOLDCZONE;
 
    ret = FoldStringW(dwFlags, srcW, srclenW, NULL, 0);
    if (ret && dstlen)
    {
        dstW = HeapAlloc(GetProcessHeap(), 0, ret * sizeof(WCHAR));
 
        if (!dstW)
        {
            SetLastError(ERROR_NOT_ENOUGH_MEMORY);
            goto FoldStringA_exit;
        }
 
        ret = FoldStringW(dwFlags, srcW, srclenW, dstW, ret);
        if (!WideCharToMultiByte(CP_ACP, 0, dstW, ret, dst, dstlen, NULL, NULL))
        {
            ret = 0;
            SetLastError(ERROR_INSUFFICIENT_BUFFER);
        }
    }
 
    HeapFree(GetProcessHeap(), 0, dstW);
 
FoldStringA_exit:
    HeapFree(GetProcessHeap(), 0, srcW);
    return ret;
}

Referenced by test_FoldStringA().