wine/dlls/kernel32/string.c

224 lines
4.8 KiB
C

/*
* Kernel string functions
*
* Copyright 1993 Yngvi Sigurjonsson
* Copyright 1996 Alexandre Julliard
* Copyright 2001 Dmitry Timoshkov for CodeWeavers
*
* 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 "config.h"
#include "wine/port.h"
#include <ctype.h>
#include <stdarg.h>
#include <string.h>
#define WINE_NO_INLINE_STRING
#include "windef.h"
#include "winbase.h"
#include "wine/unicode.h"
#include "wine/exception.h"
/***********************************************************************
* lstrcatA (KERNEL32.@)
* lstrcat (KERNEL32.@)
*/
LPSTR WINAPI lstrcatA( LPSTR dst, LPCSTR src )
{
__TRY
{
strcat( dst, src );
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
__ENDTRY
return dst;
}
/***********************************************************************
* lstrcatW (KERNEL32.@)
*/
LPWSTR WINAPI lstrcatW( LPWSTR dst, LPCWSTR src )
{
__TRY
{
strcatW( dst, src );
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
__ENDTRY
return dst;
}
/***********************************************************************
* lstrcpyA (KERNEL32.@)
* lstrcpy (KERNEL32.@)
*/
LPSTR WINAPI lstrcpyA( LPSTR dst, LPCSTR src )
{
__TRY
{
/* this is how Windows does it */
memmove( dst, src, strlen(src)+1 );
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
__ENDTRY
return dst;
}
/***********************************************************************
* lstrcpyW (KERNEL32.@)
*/
LPWSTR WINAPI lstrcpyW( LPWSTR dst, LPCWSTR src )
{
__TRY
{
strcpyW( dst, src );
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
__ENDTRY
return dst;
}
/***********************************************************************
* lstrcpynA (KERNEL32.@)
* lstrcpyn (KERNEL32.@)
*
* Note: this function differs from the UNIX strncpy, it _always_ writes
* a terminating \0.
*
* Note: n is an INT but Windows treats it as unsigned, and will happily
* copy a gazillion chars if n is negative.
*/
LPSTR WINAPI lstrcpynA( LPSTR dst, LPCSTR src, INT n )
{
__TRY
{
LPSTR d = dst;
LPCSTR s = src;
UINT count = n;
while ((count > 1) && *s)
{
count--;
*d++ = *s++;
}
if (count) *d = 0;
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
__ENDTRY
return dst;
}
/***********************************************************************
* lstrcpynW (KERNEL32.@)
*
* Note: this function differs from the UNIX strncpy, it _always_ writes
* a terminating \0
*
* Note: n is an INT but Windows treats it as unsigned, and will happily
* copy a gazillion chars if n is negative.
*/
LPWSTR WINAPI lstrcpynW( LPWSTR dst, LPCWSTR src, INT n )
{
__TRY
{
LPWSTR d = dst;
LPCWSTR s = src;
UINT count = n;
while ((count > 1) && *s)
{
count--;
*d++ = *s++;
}
if (count) *d = 0;
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
__ENDTRY
return dst;
}
/***********************************************************************
* lstrlenA (KERNEL32.@)
* lstrlen (KERNEL32.@)
*/
INT WINAPI lstrlenA( LPCSTR str )
{
INT ret;
__TRY
{
ret = strlen(str);
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
__ENDTRY
return ret;
}
/***********************************************************************
* lstrlenW (KERNEL32.@)
*/
INT WINAPI lstrlenW( LPCWSTR str )
{
INT ret;
__TRY
{
ret = strlenW(str);
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
__ENDTRY
return ret;
}