59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/*
|
|
* CP_SYMBOL support
|
|
*
|
|
* Copyright 2000 Alexandre Julliard
|
|
* Copyright 2004 Rein Klazes
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "wine/unicode.h"
|
|
|
|
/* return -1 on dst buffer overflow */
|
|
int wine_cpsymbol_mbstowcs( const char *src, int srclen, WCHAR *dst, int dstlen)
|
|
{
|
|
int len, i;
|
|
|
|
if (dstlen == 0) return srclen;
|
|
len = dstlen > srclen ? srclen : dstlen;
|
|
for (i = 0; i < len; i++)
|
|
{
|
|
unsigned char c = src[i];
|
|
dst[i] = (c < 0x20) ? c : c + 0xf000;
|
|
}
|
|
if (srclen > len) return -1;
|
|
return len;
|
|
}
|
|
|
|
/* return -1 on dst buffer overflow, -2 on invalid character */
|
|
int wine_cpsymbol_wcstombs( const WCHAR *src, int srclen, char *dst, int dstlen)
|
|
{
|
|
int len, i;
|
|
|
|
if (dstlen == 0) return srclen;
|
|
len = dstlen > srclen ? srclen : dstlen;
|
|
for (i = 0; i < len; i++)
|
|
{
|
|
if (src[i] < 0x20)
|
|
dst[i] = src[i];
|
|
else if (src[i] >= 0xf020 && src[i] < 0xf100)
|
|
dst[i] = src[i] - 0xf000;
|
|
else
|
|
return -2;
|
|
}
|
|
if (srclen > len) return -1;
|
|
return len;
|
|
}
|