wine/dlls/msvcrt/wcs.c

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/*
* msvcrt.dll wide-char functions
*
* Copyright 1999 Alexandre Julliard
* Copyright 2000 Jon Griffiths
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <limits.h>
#include <stdio.h>
#include "msvcrt.h"
#include "winnls.h"
#include "wine/unicode.h"
#include "msvcrt/stdio.h"
#include "msvcrt/stdlib.h"
#include "msvcrt/string.h"
#include "msvcrt/wctype.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* INTERNAL: MSVCRT_malloc() based wstrndup */
WCHAR* msvcrt_wstrndup(LPCWSTR buf, unsigned int size)
{
WCHAR* ret;
unsigned int len = strlenW(buf), max_len;
max_len = size <= len? size : len + 1;
ret = MSVCRT_malloc(max_len * sizeof (WCHAR));
if (ret)
{
memcpy(ret,buf,max_len * sizeof (WCHAR));
ret[max_len] = 0;
}
return ret;
}
/*********************************************************************
* _wcsdup (MSVCRT.@)
*/
WCHAR* _wcsdup( const WCHAR* str )
{
WCHAR* ret = NULL;
if (str)
{
int size = (strlenW(str) + 1) * sizeof(WCHAR);
ret = MSVCRT_malloc( size );
if (ret) memcpy( ret, str, size );
}
return ret;
}
/*********************************************************************
* _wcsicoll (MSVCRT.@)
*/
INT _wcsicoll( const WCHAR* str1, const WCHAR* str2 )
{
/* FIXME: handle collates */
return strcmpiW( str1, str2 );
}
/*********************************************************************
* _wcsnset (MSVCRT.@)
*/
WCHAR* _wcsnset( WCHAR* str, WCHAR c, MSVCRT_size_t n )
{
WCHAR* ret = str;
while ((n-- > 0) && *str) *str++ = c;
return ret;
}
/*********************************************************************
* _wcsrev (MSVCRT.@)
*/
WCHAR* _wcsrev( WCHAR* str )
{
WCHAR* ret = str;
WCHAR* end = str + strlenW(str) - 1;
while (end > str)
{
WCHAR t = *end;
*end-- = *str;
*str++ = t;
}
return ret;
}
/*********************************************************************
* _wcsset (MSVCRT.@)
*/
WCHAR* _wcsset( WCHAR* str, WCHAR c )
{
WCHAR* ret = str;
while (*str) *str++ = c;
return ret;
}
/*********************************************************************
* _vsnwprintf (MSVCRT.@)
*/
int _vsnwprintf(WCHAR *str, unsigned int len,
const WCHAR *format, va_list valist)
{
/* If you fix a bug in this function, fix it in ntdll/wcstring.c also! */
unsigned int written = 0;
const WCHAR *iter = format;
char bufa[256], fmtbufa[64], *fmta;
TRACE("(%d,%s)\n",len,debugstr_w(format));
while (*iter)
{
while (*iter && *iter != (WCHAR)L'%')
{
if (written++ >= len)
return -1;
*str++ = *iter++;
}
if (*iter == (WCHAR)L'%')
{
fmta = fmtbufa;
*fmta++ = *iter++;
while (*iter == (WCHAR)L'0' ||
*iter == (WCHAR)L'+' ||
*iter == (WCHAR)L'-' ||
*iter == (WCHAR)L' ' ||
*iter == (WCHAR)L'0' ||
*iter == (WCHAR)L'*' ||
*iter == (WCHAR)L'#')
{
if (*iter == (WCHAR)L'*')
{
char *buffiter = bufa;
int fieldlen = va_arg(valist, int);
sprintf(buffiter, "%d", fieldlen);
while (*buffiter)
*fmta++ = *buffiter++;
}
else
*fmta++ = *iter;
iter++;
}
while (isdigit(*iter))
*fmta++ = *iter++;
if (*iter == (WCHAR)L'.')
{
*fmta++ = *iter++;
if (*iter == (WCHAR)L'*')
{
char *buffiter = bufa;
int fieldlen = va_arg(valist, int);
sprintf(buffiter, "%d", fieldlen);
while (*buffiter)
*fmta++ = *buffiter++;
}
else
while (isdigit(*iter))
*fmta++ = *iter++;
}
if (*iter == (WCHAR)L'h' ||
*iter == (WCHAR)L'l')
*fmta++ = *iter++;
switch (*iter)
{
case (WCHAR)L's':
{
static const WCHAR none[] = { '(', 'n', 'u', 'l', 'l', ')', 0 };
const WCHAR *wstr = va_arg(valist, const WCHAR *);
const WCHAR *striter = wstr ? wstr : none;
while (*striter)
{
if (written++ >= len)
return -1;
*str++ = *striter++;
}
iter++;
break;
}
case (WCHAR)L'c':
if (written++ >= len)
return -1;
*str++ = (WCHAR)va_arg(valist, int);
iter++;
break;
default:
{
/* For non wc types, use system sprintf and append to wide char output */
/* FIXME: for unrecognised types, should ignore % when printing */
char *bufaiter = bufa;
if (*iter == (WCHAR)L'p')
sprintf(bufaiter, "%08lX", va_arg(valist, long));
else
{
*fmta++ = *iter;
*fmta = '\0';
2001-04-16 19:00:42 +00:00
if (*iter == (WCHAR)L'f')
sprintf(bufaiter, fmtbufa, va_arg(valist, double));
else
sprintf(bufaiter, fmtbufa, va_arg(valist, void *));
}
while (*bufaiter)
{
if (written++ >= len)
return -1;
*str++ = *bufaiter++;
}
iter++;
break;
}
}
}
}
if (written >= len)
return -1;
*str++ = (WCHAR)L'\0';
return (int)written;
}
/*********************************************************************
* vswprintf (MSVCRT.@)
*/
int MSVCRT_vswprintf( WCHAR* str, const WCHAR* format, va_list args )
{
return _vsnwprintf( str, INT_MAX, format, args );
}
/*********************************************************************
* wcscoll (MSVCRT.@)
*/
int MSVCRT_wcscoll( const WCHAR* str1, const WCHAR* str2 )
{
/* FIXME: handle collates */
return strcmpW( str1, str2 );
}
/*********************************************************************
* wcspbrk (MSVCRT.@)
*/
WCHAR* MSVCRT_wcspbrk( const WCHAR* str, const WCHAR* accept )
{
const WCHAR* p;
while (*str)
{
for (p = accept; *p; p++) if (*p == *str) return (WCHAR*)str;
str++;
}
return NULL;
}
/*********************************************************************
* wctomb (MSVCRT.@)
*/
INT MSVCRT_wctomb( char *dst, WCHAR ch )
{
return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
}
/*********************************************************************
* iswalnum (MSVCRT.@)
*/
INT MSVCRT_iswalnum( WCHAR wc )
{
return isalnumW( wc );
}
/*********************************************************************
* iswalpha (MSVCRT.@)
*/
INT MSVCRT_iswalpha( WCHAR wc )
{
return isalphaW( wc );
}
/*********************************************************************
* iswcntrl (MSVCRT.@)
*/
INT MSVCRT_iswcntrl( WCHAR wc )
{
return iscntrlW( wc );
}
/*********************************************************************
* iswdigit (MSVCRT.@)
*/
INT MSVCRT_iswdigit( WCHAR wc )
{
return isdigitW( wc );
}
/*********************************************************************
* iswgraph (MSVCRT.@)
*/
INT MSVCRT_iswgraph( WCHAR wc )
{
return isgraphW( wc );
}
/*********************************************************************
* iswlower (MSVCRT.@)
*/
INT MSVCRT_iswlower( WCHAR wc )
{
return islowerW( wc );
}
/*********************************************************************
* iswprint (MSVCRT.@)
*/
INT MSVCRT_iswprint( WCHAR wc )
{
return isprintW( wc );
}
/*********************************************************************
* iswpunct (MSVCRT.@)
*/
INT MSVCRT_iswpunct( WCHAR wc )
{
return ispunctW( wc );
}
/*********************************************************************
* iswspace (MSVCRT.@)
*/
INT MSVCRT_iswspace( WCHAR wc )
{
return isspaceW( wc );
}
/*********************************************************************
* iswupper (MSVCRT.@)
*/
INT MSVCRT_iswupper( WCHAR wc )
{
return isupperW( wc );
}
/*********************************************************************
* iswxdigit (MSVCRT.@)
*/
INT MSVCRT_iswxdigit( WCHAR wc )
{
return isxdigitW( wc );
}
/*********************************************************************
* _itow (MSVCRT.@)
*/
WCHAR* _itow(int value,WCHAR* out,int base)
{
char buf[64];
_itoa(value, buf, base);
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, buf, -1, out, 128);
return out;
}
/*********************************************************************
* _ltow (MSVCRT.@)
*/
WCHAR* _ltow(long value,WCHAR* out,int base)
{
char buf[128];
_ltoa(value, buf, base);
MultiByteToWideChar (CP_ACP, MB_PRECOMPOSED, buf, -1, out, 128);
return out;
}