mirror of
https://github.com/reactos/wine.git
synced 2024-11-29 22:50:43 +00:00
483 lines
11 KiB
C
483 lines
11 KiB
C
/*
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* Kernel string functions
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*
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* Copyright 1993 Yngvi Sigurjonsson
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* Copyright 1996 Alexandre Julliard
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* Copyright 2001 Dmitry Timoshkov for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <ctype.h>
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "excpt.h"
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#include "wine/winbase16.h"
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#include "wine/unicode.h"
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#include "wine/exception.h"
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static INT (WINAPI *pLoadStringA)(HINSTANCE, UINT, LPSTR, INT);
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static INT (WINAPI *pwvsprintfA)(LPSTR, LPCSTR, va_list);
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/* filter for page-fault exceptions */
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static WINE_EXCEPTION_FILTER(page_fault)
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{
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if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
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return EXCEPTION_EXECUTE_HANDLER;
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return EXCEPTION_CONTINUE_SEARCH;
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}
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/***********************************************************************
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* Helper for k32 family functions
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*/
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static void *user32_proc_address(const char *proc_name)
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{
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static HMODULE hUser32;
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if(!hUser32) hUser32 = LoadLibraryA("user32.dll");
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return GetProcAddress(hUser32, proc_name);
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}
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/***********************************************************************
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* k32CharToOemBuffA (KERNEL32.11)
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*/
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BOOL WINAPI k32CharToOemBuffA(LPCSTR s, LPSTR d, DWORD len)
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{
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WCHAR *bufW;
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if ((bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
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{
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MultiByteToWideChar( CP_ACP, 0, s, len, bufW, len );
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WideCharToMultiByte( CP_OEMCP, 0, bufW, len, d, len, NULL, NULL );
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HeapFree( GetProcessHeap(), 0, bufW );
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}
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return TRUE;
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}
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/***********************************************************************
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* k32CharToOemA (KERNEL32.10)
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*/
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BOOL WINAPI k32CharToOemA(LPCSTR s, LPSTR d)
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{
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if (!s || !d) return TRUE;
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return k32CharToOemBuffA( s, d, strlen(s) + 1 );
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}
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/***********************************************************************
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* k32OemToCharBuffA (KERNEL32.13)
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*/
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BOOL WINAPI k32OemToCharBuffA(LPCSTR s, LPSTR d, DWORD len)
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{
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WCHAR *bufW;
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if ((bufW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
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{
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MultiByteToWideChar( CP_OEMCP, 0, s, len, bufW, len );
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WideCharToMultiByte( CP_ACP, 0, bufW, len, d, len, NULL, NULL );
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HeapFree( GetProcessHeap(), 0, bufW );
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}
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return TRUE;
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}
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/***********************************************************************
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* k32OemToCharA (KERNEL32.12)
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*/
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BOOL WINAPI k32OemToCharA(LPCSTR s, LPSTR d)
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{
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return k32OemToCharBuffA( s, d, strlen(s) + 1 );
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}
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/**********************************************************************
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* k32LoadStringA (KERNEL32.14)
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*/
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INT WINAPI k32LoadStringA(HINSTANCE instance, UINT resource_id,
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LPSTR buffer, INT buflen)
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{
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if(!pLoadStringA) pLoadStringA = user32_proc_address("LoadStringA");
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return pLoadStringA(instance, resource_id, buffer, buflen);
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}
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/***********************************************************************
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* k32wvsprintfA (KERNEL32.16)
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*/
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INT WINAPI k32wvsprintfA(LPSTR buffer, LPCSTR spec, va_list args)
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{
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if(!pwvsprintfA) pwvsprintfA = user32_proc_address("wvsprintfA");
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return (*pwvsprintfA)(buffer, spec, args);
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}
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/***********************************************************************
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* k32wsprintfA (KERNEL32.15)
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*/
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INT WINAPIV k32wsprintfA(LPSTR buffer, LPCSTR spec, ...)
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{
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va_list args;
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INT res;
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va_start(args, spec);
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res = k32wvsprintfA(buffer, spec, args);
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va_end(args);
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return res;
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}
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/***********************************************************************
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* hmemcpy (KERNEL.348)
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*/
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void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
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{
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memcpy( dst, src, count );
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}
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/***********************************************************************
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* lstrcat (KERNEL.89)
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*/
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SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
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{
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/* Windows does not check for NULL pointers here, so we don't either */
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strcat( MapSL(dst), src );
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return dst;
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}
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/***********************************************************************
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* lstrcat (KERNEL32.@)
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* lstrcatA (KERNEL32.@)
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*/
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LPSTR WINAPI lstrcatA( LPSTR dst, LPCSTR src )
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{
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__TRY
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{
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strcat( dst, src );
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}
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__EXCEPT(page_fault)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return NULL;
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}
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__ENDTRY
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return dst;
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}
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/***********************************************************************
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* lstrcatW (KERNEL32.@)
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*/
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LPWSTR WINAPI lstrcatW( LPWSTR dst, LPCWSTR src )
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{
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__TRY
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{
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strcatW( dst, src );
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}
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__EXCEPT(page_fault)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return NULL;
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}
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__ENDTRY
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return dst;
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}
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/***********************************************************************
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* lstrcatn (KERNEL.352)
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*/
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SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
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{
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LPSTR p = MapSL(dst);
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LPSTR start = p;
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while (*p) p++;
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if ((n -= (p - start)) <= 0) return dst;
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lstrcpynA( p, src, n );
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return dst;
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}
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/***********************************************************************
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* lstrcpy (KERNEL.88)
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*/
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SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
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{
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if (!lstrcpyA( MapSL(dst), src )) dst = 0;
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return dst;
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}
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/***********************************************************************
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* lstrcpy (KERNEL32.@)
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* lstrcpyA (KERNEL32.@)
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*/
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LPSTR WINAPI lstrcpyA( LPSTR dst, LPCSTR src )
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{
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__TRY
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{
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/* this is how Windows does it */
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memmove( dst, src, strlen(src)+1 );
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}
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__EXCEPT(page_fault)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return NULL;
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}
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__ENDTRY
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return dst;
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}
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/***********************************************************************
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* lstrcpyW (KERNEL32.@)
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*/
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LPWSTR WINAPI lstrcpyW( LPWSTR dst, LPCWSTR src )
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{
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__TRY
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{
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strcpyW( dst, src );
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}
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__EXCEPT(page_fault)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return NULL;
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}
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__ENDTRY
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return dst;
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}
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/***********************************************************************
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* lstrcpyn (KERNEL.353)
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*/
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SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
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{
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lstrcpynA( MapSL(dst), src, n );
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return dst;
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}
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/***********************************************************************
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* lstrcpyn (KERNEL32.@)
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* lstrcpynA (KERNEL32.@)
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*
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* Note: this function differs from the UNIX strncpy, it _always_ writes
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* a terminating \0.
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*
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* Note: n is an INT but Windows treats it as unsigned, and will happily
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* copy a gazillion chars if n is negative.
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*/
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LPSTR WINAPI lstrcpynA( LPSTR dst, LPCSTR src, INT n )
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{
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__TRY
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{
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LPSTR d = dst;
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LPCSTR s = src;
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UINT count = n;
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while ((count > 1) && *s)
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{
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count--;
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*d++ = *s++;
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}
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if (count) *d = 0;
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}
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__EXCEPT(page_fault)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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__ENDTRY
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return dst;
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}
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/***********************************************************************
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* lstrcpynW (KERNEL32.@)
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*
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* Note: this function differs from the UNIX strncpy, it _always_ writes
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* a terminating \0
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*
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* Note: n is an INT but Windows treats it as unsigned, and will happily
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* copy a gazillion chars if n is negative.
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*/
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LPWSTR WINAPI lstrcpynW( LPWSTR dst, LPCWSTR src, INT n )
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{
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__TRY
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{
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LPWSTR d = dst;
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LPCWSTR s = src;
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UINT count = n;
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while ((count > 1) && *s)
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{
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count--;
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*d++ = *s++;
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}
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if (count) *d = 0;
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}
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__EXCEPT(page_fault)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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__ENDTRY
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return dst;
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}
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/***********************************************************************
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* lstrlen (KERNEL.90)
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*/
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INT16 WINAPI lstrlen16( LPCSTR str )
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{
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return (INT16)lstrlenA( str );
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}
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/***********************************************************************
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* lstrlen (KERNEL32.@)
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* lstrlenA (KERNEL32.@)
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*/
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INT WINAPI lstrlenA( LPCSTR str )
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{
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INT ret;
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__TRY
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{
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ret = strlen(str);
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}
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__EXCEPT(page_fault)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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__ENDTRY
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return ret;
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}
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/***********************************************************************
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* lstrlenW (KERNEL32.@)
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*/
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INT WINAPI lstrlenW( LPCWSTR str )
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{
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INT ret;
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__TRY
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{
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ret = strlenW(str);
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}
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__EXCEPT(page_fault)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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__ENDTRY
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return ret;
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}
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/***********************************************************************
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* UnicodeToAnsi (KERNEL.434)
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*/
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INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
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{
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if ( codepage == -1 ) codepage = CP_ACP;
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return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );
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}
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/***************************************************************************
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*
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* Win 2.x string functions now moved to USER
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*
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* We rather want to implement them here instead of doing Callouts
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*/
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/***********************************************************************
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* Reserved1 (KERNEL.77)
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*/
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SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
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{
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return (*(char *)MapSL(current)) ? current + 1 : current;
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}
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/***********************************************************************
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* Reserved2(KERNEL.78)
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*/
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SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
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{
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return (current==start)?start:current-1;
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}
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/***********************************************************************
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* Reserved3 (KERNEL.79)
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*/
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SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
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{
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/* uppercase only one char if strOrChar < 0x10000 */
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if (HIWORD(strOrChar))
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{
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char *s = MapSL(strOrChar);
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while (*s)
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{
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*s = toupper(*s);
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s++;
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}
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return strOrChar;
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}
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else return toupper((char)strOrChar);
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}
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/***********************************************************************
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* Reserved4 (KERNEL.80)
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*/
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SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
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{
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/* lowercase only one char if strOrChar < 0x10000 */
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if (HIWORD(strOrChar))
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{
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char *s = MapSL(strOrChar);
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while (*s)
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{
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*s = tolower(*s);
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s++;
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}
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return strOrChar;
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}
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else return tolower((char)strOrChar);
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}
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/***********************************************************************
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* Reserved5 (KERNEL.87)
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*/
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INT16 WINAPI KERNEL_lstrcmp16( LPCSTR str1, LPCSTR str2 )
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{
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return (INT16)strcmp( str1, str2 );
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}
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