wine/dlls/msvcrt/string.c
2006-01-14 17:40:29 +01:00

183 lines
4.2 KiB
C

/*
* MSVCRT string functions
*
* Copyright 1996,1998 Marcus Meissner
* Copyright 1996 Jukka Iivonen
* Copyright 1997,2000 Uwe Bonnes
* 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 <stdlib.h>
#include "msvcrt.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* INTERNAL: MSVCRT_malloc() based strndup */
char* msvcrt_strndup(const char* buf, unsigned int size)
{
char* ret;
unsigned int len = strlen(buf), max_len;
max_len = size <= len? size : len + 1;
ret = MSVCRT_malloc(max_len);
if (ret)
{
memcpy(ret,buf,max_len);
ret[max_len] = 0;
}
return ret;
}
/*********************************************************************
* _mbsdup (MSVCRT.@)
* _strdup (MSVCRT.@)
*/
char* _strdup(const char* str)
{
char * ret = MSVCRT_malloc(strlen(str)+1);
if (ret) strcpy( ret, str );
return ret;
}
/*********************************************************************
* _strnset (MSVCRT.@)
*/
char* _strnset(char* str, int value, MSVCRT_size_t len)
{
if (len > 0 && str)
while (*str && len--)
*str++ = value;
return str;
}
/*********************************************************************
* _strrev (MSVCRT.@)
*/
char* _strrev(char* str)
{
char * p1;
char * p2;
if (str && *str)
for (p1 = str, p2 = str + strlen(str) - 1; p2 > p1; ++p1, --p2)
{
*p1 ^= *p2;
*p2 ^= *p1;
*p1 ^= *p2;
}
return str;
}
/*********************************************************************
* _strset (MSVCRT.@)
*/
char* _strset(char* str, int value)
{
char *ptr = str;
while (*ptr)
*ptr++ = value;
return str;
}
/*********************************************************************
* strtok (MSVCRT.@)
*/
char *MSVCRT_strtok( char *str, const char *delim )
{
thread_data_t *data = msvcrt_get_thread_data();
char *ret;
if (!str)
if (!(str = data->strtok_next)) return NULL;
while (*str && strchr( delim, *str )) str++;
if (!*str) return NULL;
ret = str++;
while (*str && !strchr( delim, *str )) str++;
if (*str) *str++ = 0;
data->strtok_next = str;
return ret;
}
/*********************************************************************
* _swab (MSVCRT.@)
*/
void MSVCRT__swab(char* src, char* dst, int len)
{
if (len > 1)
{
len = (unsigned)len >> 1;
while (len--) {
char s0 = src[0];
char s1 = src[1];
*dst++ = s1;
*dst++ = s0;
src = src + 2;
}
}
}
/*********************************************************************
* atof (MSVCRT.@)
*/
double MSVCRT_atof( const char *str )
{
return atof( str );
}
/*********************************************************************
* strtod (MSVCRT.@)
*/
double MSVCRT_strtod( const char *str, char **end )
{
return strtod( str, end );
}
/*********************************************************************
* strcoll (MSVCRT.@)
*/
int MSVCRT_strcoll( const char* str1, const char* str2 )
{
/* FIXME: handle Windows locale */
return strcoll( str1, str2 );
}
/*********************************************************************
* strxfrm (MSVCRT.@)
*/
MSVCRT_size_t MSVCRT_strxfrm( char *dest, const char *src, MSVCRT_size_t len )
{
/* FIXME: handle Windows locale */
return strxfrm( dest, src, len );
}
/*********************************************************************
* _stricoll (MSVCRT.@)
*/
INT MSVCRT__stricoll( const char* str1, const char* str2 )
{
/* FIXME: handle collates */
TRACE("str1 %s str2 %s\n", debugstr_a(str1), debugstr_a(str2));
return lstrcmpiA( str1, str2 );
}