mirror of
https://github.com/reactos/wine.git
synced 2024-11-29 22:50:43 +00:00
346 lines
8.4 KiB
C
346 lines
8.4 KiB
C
/*
|
|
* String functions
|
|
*
|
|
* Copyright 1993 Yngvi Sigurjonsson
|
|
* Copyright 1996 Alexandre Julliard
|
|
*/
|
|
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "wine/winbase16.h"
|
|
#include "wine/exception.h"
|
|
#include "wine/unicode.h"
|
|
#include "winerror.h"
|
|
#include "winnls.h"
|
|
#include "ldt.h"
|
|
#include "debugtools.h"
|
|
|
|
DEFAULT_DEBUG_CHANNEL(string);
|
|
|
|
/* filter for page-fault exceptions */
|
|
static WINE_EXCEPTION_FILTER(page_fault)
|
|
{
|
|
if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
|
|
return EXCEPTION_EXECUTE_HANDLER;
|
|
return EXCEPTION_CONTINUE_SEARCH;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* hmemcpy16 (KERNEL.348)
|
|
*/
|
|
void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
|
|
{
|
|
memcpy( dst, src, count );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcat16 (KERNEL.89)
|
|
*/
|
|
SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
|
|
{
|
|
/* Windows does not check for NULL pointers here, so we don't either */
|
|
strcat( (LPSTR)PTR_SEG_TO_LIN(dst), src );
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcatA (KERNEL32.599)
|
|
*/
|
|
LPSTR WINAPI lstrcatA( LPSTR dst, LPCSTR src )
|
|
{
|
|
__TRY
|
|
{
|
|
strcat( dst, src );
|
|
}
|
|
__EXCEPT(page_fault)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return NULL;
|
|
}
|
|
__ENDTRY
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcatW (KERNEL32.600)
|
|
*/
|
|
LPWSTR WINAPI lstrcatW( LPWSTR dst, LPCWSTR src )
|
|
{
|
|
__TRY
|
|
{
|
|
strcatW( dst, src );
|
|
}
|
|
__EXCEPT(page_fault)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return NULL;
|
|
}
|
|
__ENDTRY
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcatn16 (KERNEL.352)
|
|
*/
|
|
SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
|
|
{
|
|
LPSTR p = (LPSTR)PTR_SEG_TO_LIN(dst);
|
|
|
|
while (*p) p++;
|
|
if ((n -= (p - (LPSTR)PTR_SEG_TO_LIN(dst))) <= 0) return dst;
|
|
lstrcpynA( p, src, n );
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcmpA (KERNEL.602)
|
|
*/
|
|
INT WINAPI lstrcmpA( LPCSTR str1, LPCSTR str2 )
|
|
{
|
|
return CompareStringA(LOCALE_SYSTEM_DEFAULT,0,str1,-1,str2,-1) - 2 ;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcmpW (KERNEL.603)
|
|
* FIXME : should call CompareStringW, when it is implemented.
|
|
* This implementation is not "word sort", as it should.
|
|
*/
|
|
INT WINAPI lstrcmpW( LPCWSTR str1, LPCWSTR str2 )
|
|
{
|
|
TRACE("%s and %s\n",
|
|
debugstr_w (str1), debugstr_w (str2));
|
|
if (!str1 || !str2) {
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return 0;
|
|
}
|
|
while (*str1 && (*str1 == *str2)) { str1++; str2++; }
|
|
return (INT)(*str1 - *str2);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcmpiA (KERNEL32.605)
|
|
*/
|
|
INT WINAPI lstrcmpiA( LPCSTR str1, LPCSTR str2 )
|
|
{ TRACE("strcmpi %s and %s\n",
|
|
debugstr_a (str1), debugstr_a (str2));
|
|
return CompareStringA(LOCALE_SYSTEM_DEFAULT,NORM_IGNORECASE,str1,-1,str2,-1)-2;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcmpiW (KERNEL32.606)
|
|
*/
|
|
INT WINAPI lstrcmpiW( LPCWSTR str1, LPCWSTR str2 )
|
|
{
|
|
if (!str1 || !str2) {
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return 0;
|
|
}
|
|
return strcmpiW( str1, str2 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcpy16 (KERNEL.88)
|
|
*/
|
|
SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
|
|
{
|
|
if (!lstrcpyA( PTR_SEG_TO_LIN(dst), src )) dst = 0;
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcpyA (KERNEL32.608)
|
|
*/
|
|
LPSTR WINAPI lstrcpyA( LPSTR dst, LPCSTR src )
|
|
{
|
|
__TRY
|
|
{
|
|
/* this is how Windows does it */
|
|
memmove( dst, src, strlen(src)+1 );
|
|
}
|
|
__EXCEPT(page_fault)
|
|
{
|
|
ERR("(%p, %p): page fault occurred ! Caused by bug ?\n", dst, src);
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return NULL;
|
|
}
|
|
__ENDTRY
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcpyW (KERNEL32.609)
|
|
*/
|
|
LPWSTR WINAPI lstrcpyW( LPWSTR dst, LPCWSTR src )
|
|
{
|
|
__TRY
|
|
{
|
|
strcpyW( dst, src );
|
|
}
|
|
__EXCEPT(page_fault)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return NULL;
|
|
}
|
|
__ENDTRY
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcpyn16 (KERNEL.353)
|
|
*/
|
|
SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
|
|
{
|
|
lstrcpynA( (LPSTR)PTR_SEG_TO_LIN(dst), src, n );
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcpynA (KERNEL32.611)
|
|
* Note: this function differs from the UNIX strncpy, it _always_ writes
|
|
* a terminating \0
|
|
*/
|
|
LPSTR WINAPI lstrcpynA( LPSTR dst, LPCSTR src, INT n )
|
|
{
|
|
LPSTR p = dst;
|
|
TRACE("(%p, %s, %i)\n", dst, debugstr_an(src,n), n);
|
|
/* In real windows the whole function is protected by an exception handler
|
|
* that returns ERROR_INVALID_PARAMETER on faulty parameters
|
|
* We currently just check for NULL.
|
|
*/
|
|
if (!dst || !src) {
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return 0;
|
|
}
|
|
while ((n-- > 1) && *src) *p++ = *src++;
|
|
if (n >= 0) *p = 0;
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcpynW (KERNEL32.612)
|
|
* Note: this function differs from the UNIX strncpy, it _always_ writes
|
|
* a terminating \0
|
|
*/
|
|
LPWSTR WINAPI lstrcpynW( LPWSTR dst, LPCWSTR src, INT n )
|
|
{
|
|
LPWSTR p = dst;
|
|
TRACE("(%p, %s, %i)\n", dst, debugstr_wn(src,n), n);
|
|
/* In real windows the whole function is protected by an exception handler
|
|
* that returns ERROR_INVALID_PARAMETER on faulty parameters
|
|
* We currently just check for NULL.
|
|
*/
|
|
if (!dst || !src) {
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return 0;
|
|
}
|
|
while ((n-- > 1) && *src) *p++ = *src++;
|
|
if (n >= 0) *p = 0;
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrlen16 (KERNEL.90)
|
|
*/
|
|
INT16 WINAPI lstrlen16( LPCSTR str )
|
|
{
|
|
return (INT16)lstrlenA( str );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrlenA (KERNEL32.614)
|
|
*/
|
|
INT WINAPI lstrlenA( LPCSTR str )
|
|
{
|
|
INT ret;
|
|
__TRY
|
|
{
|
|
ret = strlen(str);
|
|
}
|
|
__EXCEPT(page_fault)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
__ENDTRY
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrlenW (KERNEL32.615)
|
|
*/
|
|
INT WINAPI lstrlenW( LPCWSTR str )
|
|
{
|
|
INT ret;
|
|
__TRY
|
|
{
|
|
ret = strlenW(str);
|
|
}
|
|
__EXCEPT(page_fault)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
__ENDTRY
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcpynAtoW (Not a Windows API)
|
|
* Note: this function differs from the UNIX strncpy, it _always_ writes
|
|
* a terminating \0
|
|
*/
|
|
LPWSTR WINAPI lstrcpynAtoW( LPWSTR dst, LPCSTR src, INT n )
|
|
{
|
|
if (n > 0 && !MultiByteToWideChar( CP_ACP, 0, src, -1, dst, n )) dst[n-1] = 0;
|
|
return dst;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* lstrcpynWtoA (Not a Windows API)
|
|
* Note: this function differs from the UNIX strncpy, it _always_ writes
|
|
* a terminating \0
|
|
*
|
|
* The terminating zero should be written at the end of the string, not
|
|
* the end of the buffer, as some programs specify the wrong size for
|
|
* the buffer (eg. winnt's sol.exe)
|
|
*/
|
|
LPSTR WINAPI lstrcpynWtoA( LPSTR dst, LPCWSTR src, INT n )
|
|
{
|
|
if (n > 0 && !WideCharToMultiByte( CP_ACP, 0, src, -1, dst, n, NULL, NULL )) dst[n-1] = 0;
|
|
return dst;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* 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 );
|
|
}
|