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Sweden-Number/dlls/kernel32/string.c

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/*
* 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/winbase16.h"
#include "wine/unicode.h"
#include "wine/exception.h"
static INT (WINAPI *pLoadStringA)(HINSTANCE, UINT, LPSTR, INT);
static INT (WINAPI *pwvsprintfA)(LPSTR, LPCSTR, va_list);
/***********************************************************************
* Helper for k32 family functions
*/
static void *user32_proc_address(const char *proc_name)
{
static HMODULE hUser32;
if(!hUser32) hUser32 = LoadLibraryA("user32.dll");
return GetProcAddress(hUser32, proc_name);
}
/***********************************************************************
* k32CharToOemBuffA (KERNEL32.11)
*/
BOOL WINAPI k32CharToOemBuffA(LPCSTR s, LPSTR d, DWORD len)
{
WCHAR *bufW;
if ((bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
{
MultiByteToWideChar( CP_ACP, 0, s, len, bufW, len );
WideCharToMultiByte( CP_OEMCP, 0, bufW, len, d, len, NULL, NULL );
HeapFree( GetProcessHeap(), 0, bufW );
}
return TRUE;
}
/***********************************************************************
* k32CharToOemA (KERNEL32.10)
*/
BOOL WINAPI k32CharToOemA(LPCSTR s, LPSTR d)
{
if (!s || !d) return TRUE;
return k32CharToOemBuffA( s, d, strlen(s) + 1 );
}
/***********************************************************************
* k32OemToCharBuffA (KERNEL32.13)
*/
BOOL WINAPI k32OemToCharBuffA(LPCSTR s, LPSTR d, DWORD len)
{
WCHAR *bufW;
if ((bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
{
MultiByteToWideChar( CP_OEMCP, 0, s, len, bufW, len );
WideCharToMultiByte( CP_ACP, 0, bufW, len, d, len, NULL, NULL );
HeapFree( GetProcessHeap(), 0, bufW );
}
return TRUE;
}
/***********************************************************************
* k32OemToCharA (KERNEL32.12)
*/
BOOL WINAPI k32OemToCharA(LPCSTR s, LPSTR d)
{
return k32OemToCharBuffA( s, d, strlen(s) + 1 );
}
/**********************************************************************
* k32LoadStringA (KERNEL32.14)
*/
INT WINAPI k32LoadStringA(HINSTANCE instance, UINT resource_id,
LPSTR buffer, INT buflen)
{
if(!pLoadStringA) pLoadStringA = user32_proc_address("LoadStringA");
return pLoadStringA(instance, resource_id, buffer, buflen);
}
/***********************************************************************
* k32wvsprintfA (KERNEL32.16)
*/
INT WINAPI k32wvsprintfA(LPSTR buffer, LPCSTR spec, va_list args)
{
if(!pwvsprintfA) pwvsprintfA = user32_proc_address("wvsprintfA");
return (*pwvsprintfA)(buffer, spec, args);
}
/***********************************************************************
* k32wsprintfA (KERNEL32.15)
*/
INT WINAPIV k32wsprintfA(LPSTR buffer, LPCSTR spec, ...)
{
va_list args;
INT res;
va_start(args, spec);
res = k32wvsprintfA(buffer, spec, args);
va_end(args);
return res;
}
/***********************************************************************
* hmemcpy (KERNEL.348)
*/
void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
{
memcpy( dst, src, count );
}
/***********************************************************************
* lstrcat (KERNEL.89)
*/
SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
{
/* Windows does not check for NULL pointers here, so we don't either */
strcat( MapSL(dst), src );
return dst;
}
/***********************************************************************
* 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;
}
/***********************************************************************
* lstrcatn (KERNEL.352)
*/
SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
{
LPSTR p = MapSL(dst);
LPSTR start = p;
while (*p) p++;
if ((n -= (p - start)) <= 0) return dst;
lstrcpynA( p, src, n );
return dst;
}
/***********************************************************************
* lstrcpy (KERNEL.88)
*/
SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
{
if (!lstrcpyA( MapSL(dst), src )) dst = 0;
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;
}
/***********************************************************************
* lstrcpyn (KERNEL.353)
*/
SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
{
lstrcpynA( MapSL(dst), src, n );
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;
}
/***********************************************************************
* lstrlen (KERNEL.90)
*/
INT16 WINAPI lstrlen16( LPCSTR str )
{
return (INT16)lstrlenA( str );
}
/***********************************************************************
* 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;
}
/***********************************************************************
* UnicodeToAnsi (KERNEL.434)
*/
INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
{
if ( codepage == -1 ) codepage = CP_ACP;
return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );
}
/***************************************************************************
*
* Win 2.x string functions now moved to USER
*
* We rather want to implement them here instead of doing Callouts
*/
/***********************************************************************
* Reserved1 (KERNEL.77)
*/
SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
{
return (*(char *)MapSL(current)) ? current + 1 : current;
}
/***********************************************************************
* Reserved2(KERNEL.78)
*/
SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
{
return (current==start)?start:current-1;
}
/***********************************************************************
* Reserved3 (KERNEL.79)
*/
SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
{
/* uppercase only one char if strOrChar < 0x10000 */
if (HIWORD(strOrChar))
{
char *s = MapSL(strOrChar);
while (*s)
{
*s = toupper(*s);
s++;
}
return strOrChar;
}
else return toupper((char)strOrChar);
}
/***********************************************************************
* Reserved4 (KERNEL.80)
*/
SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
{
/* lowercase only one char if strOrChar < 0x10000 */
if (HIWORD(strOrChar))
{
char *s = MapSL(strOrChar);
while (*s)
{
*s = tolower(*s);
s++;
}
return strOrChar;
}
else return tolower((char)strOrChar);
}
/***********************************************************************
* Reserved5 (KERNEL.87)
*/
INT16 WINAPI KERNEL_lstrcmp16( LPCSTR str1, LPCSTR str2 )
{
return (INT16)strcmp( str1, str2 );
}
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