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msvcrt: Improve __crtLCMapStringA implementation. 

Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Piotr Caban 2020-07-16 14:46:35 +02:00 committed by Alexandre Julliard
parent 2aa58e43a0
commit 59ee87877c
1 changed files with 46 additions and 6 deletions
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52
dlls/msvcrt/locale.c
View File

@ -713,12 +713,52 @@ int CDECL __crtLCMapStringA(
LCID lcid, DWORD mapflags, const char* src, int srclen, char* dst,
int dstlen, unsigned int codepage, int xflag
) {
FIXME("(lcid %x, flags %x, %s(%d), %p(%d), %x, %d), partial stub!\n",
lcid,mapflags,src,srclen,dst,dstlen,codepage,xflag);
/* FIXME: A bit incorrect. But msvcrt itself just converts its
* arguments to wide strings and then calls LCMapStringW
*/
return LCMapStringA(lcid,mapflags,src,srclen,dst,dstlen);
WCHAR buf_in[32], *in = buf_in;
WCHAR buf_out[32], *out = buf_out;
int in_len, out_len, r;
TRACE("(lcid %x, flags %x, %s(%d), %p(%d), %x, %d), partial stub!\n",
lcid, mapflags, src, srclen, dst, dstlen, codepage, xflag);
in_len = MultiByteToWideChar(codepage, MB_ERR_INVALID_CHARS, src, srclen, NULL, 0);
if (!in_len) return 0;
if (in_len > ARRAY_SIZE(buf_in))
{
in = malloc(in_len * sizeof(WCHAR));
if (!in) return 0;
}
r = MultiByteToWideChar(codepage, MB_ERR_INVALID_CHARS, src, srclen, in, in_len);
if (!r) goto done;
if (mapflags & LCMAP_SORTKEY)
{
r = LCMapStringW(lcid, mapflags, in, in_len, (WCHAR*)dst, dstlen);
goto done;
}
r = LCMapStringW(lcid, mapflags, in, in_len, NULL, 0);
if (!r) goto done;
out_len = r;
if (r > ARRAY_SIZE(buf_out))
{
out = malloc(r * sizeof(WCHAR));
if (!out)
{
r = 0;
goto done;
}
}
r = LCMapStringW(lcid, mapflags, in, in_len, out, out_len);
if (!r) goto done;
r = WideCharToMultiByte(codepage, 0, out, out_len, dst, dstlen, NULL, NULL);
done:
if (in != buf_in) free(in);
if (out != buf_out) free(out);
return r;
}
/*********************************************************************