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Sweden-Number/memory/string.c

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/*
* String functions
*
* Copyright 1993 Yngvi Sigurjonsson
* Copyright 1996 Alexandre Julliard
*/
#include <ctype.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wine/winbase16.h"
#include "wine/winuser16.h"
#include "wine/keyboard16.h"
#include "wine/exception.h"
#include "winerror.h"
#include "crtdll.h"
#include "ldt.h"
#include "debugtools.h"
#include "winnls.h"
DEFAULT_DEBUG_CHANNEL(string)
static const BYTE STRING_Oem2Ansi[256] =
"\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\244"
"\020\021\022\023\266\247\026\027\030\031\032\033\034\035\036\037"
"\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057"
"\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077"
"\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117"
"\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137"
"\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157"
"\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177"
"\307\374\351\342\344\340\345\347\352\353\350\357\356\354\304\305"
"\311\346\306\364\366\362\373\371\377\326\334\242\243\245\120\203"
"\341\355\363\372\361\321\252\272\277\137\254\275\274\241\253\273"
"\137\137\137\246\246\246\246\053\053\246\246\053\053\053\053\053"
"\053\055\055\053\055\053\246\246\053\053\055\055\246\055\053\055"
"\055\055\055\053\053\053\053\053\053\053\053\137\137\246\137\137"
"\137\337\137\266\137\137\265\137\137\137\137\137\137\137\137\137"
"\137\261\137\137\137\137\367\137\260\225\267\137\156\262\137\137";
static const BYTE STRING_Ansi2Oem[256] =
"\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017"
"\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
"\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057"
"\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077"
"\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117"
"\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137"
"\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157"
"\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177"
"\200\201\054\237\054\137\375\374\210\045\123\074\117\215\216\217"
"\220\140\047\042\042\371\055\137\230\231\163\076\157\235\236\131"
"\040\255\233\234\017\235\335\025\042\143\246\256\252\055\162\137"
"\370\361\375\063\047\346\024\372\054\061\247\257\254\253\137\250"
"\101\101\101\101\216\217\222\200\105\220\105\105\111\111\111\111"
"\104\245\117\117\117\117\231\170\117\125\125\125\232\131\137\341"
"\205\240\203\141\204\206\221\207\212\202\210\211\215\241\214\213"
"\144\244\225\242\223\157\224\366\157\227\243\226\201\171\137\230";
#define OEM_TO_ANSI(ch) (STRING_Oem2Ansi[(unsigned char)(ch)])
#define ANSI_TO_OEM(ch) (STRING_Ansi2Oem[(unsigned char)(ch)])
/* Internaly used by strchr family functions */
static BOOL ChrCmpA( WORD word1, WORD word2);
/* filter for page-fault exceptions */
static WINE_EXCEPTION_FILTER(page_fault)
{
if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
return EXCEPTION_EXECUTE_HANDLER;
return EXCEPTION_CONTINUE_SEARCH;
}
/***********************************************************************
* hmemcpy (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
{
CRTDLL_wcscat( 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;
}
/***********************************************************************
* lstrcmp16 (USER.430)
*/
INT16 WINAPI lstrcmp16( LPCSTR str1, LPCSTR str2 )
{
return (INT16)strcmp( str1, str2 );
}
/***********************************************************************
* lstrcmp32A (KERNEL.602)
*/
INT WINAPI lstrcmpA( LPCSTR str1, LPCSTR str2 )
{
return CompareStringA(LOCALE_SYSTEM_DEFAULT,0,str1,-1,str2,-1) - 2 ;
}
/***********************************************************************
* lstrcmp32W (KERNEL.603)
* FIXME : should call CompareString32W, 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);
}
/***********************************************************************
* lstrcmpi16 (USER.471)
*/
INT16 WINAPI lstrcmpi16( LPCSTR str1, LPCSTR str2 )
{
return (INT16)lstrcmpiA( str1, str2 );
}
/***********************************************************************
* lstrcmpi32A (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;
}
/***********************************************************************
* lstrcmpi32W (KERNEL32.606)
*/
INT WINAPI lstrcmpiW( LPCWSTR str1, LPCWSTR str2 )
{
INT res;
#if 0
/* Too much! (From registry loading.) */
TRACE("strcmpi %s and %s\n",
debugstr_w (str1), debugstr_w (str2));
#endif
if (!str1 || !str2) {
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
while (*str1)
{
if ((*str1<0x100 ) && (*str2<0x100)) {
if ((res = toupper(*str1) - toupper(*str2)) != 0) return res;
} else {
if ((res = towupper(*str1) - towupper(*str2)) != 0) return res;
}
str1++;
str2++;
}
return towupper(*str1) - towupper(*str2);
}
/***********************************************************************
* lstrcpy16 (KERNEL.88)
*/
SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
{
/* this is how Windows does it */
memmove( (LPSTR)PTR_SEG_TO_LIN(dst), src, strlen(src)+1 );
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)
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
__ENDTRY
return dst;
}
/***********************************************************************
* lstrcpyW (KERNEL32.609)
*/
LPWSTR WINAPI lstrcpyW( LPWSTR dst, LPCWSTR src )
{
__TRY
{
CRTDLL_wcscpy( 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;
}
/***********************************************************************
* lstrcpyn32A (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;
}
/***********************************************************************
* lstrcpyn32W (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 = CRTDLL_wcslen(str);
}
__EXCEPT(page_fault)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
__ENDTRY
return ret;
}
/***********************************************************************
* lstrcpyAtoW (Not a Windows API)
*/
LPWSTR WINAPI lstrcpyAtoW( LPWSTR dst, LPCSTR src )
{
register LPWSTR p = dst;
TRACE("(%p, %s)\n", dst, debugstr_a(src));
while ((*p++ = (WCHAR)(unsigned char)*src++));
return dst;
}
/***********************************************************************
* lstrcpyWtoA (Not a Windows API)
*/
LPSTR WINAPI lstrcpyWtoA( LPSTR dst, LPCWSTR src )
{
register LPSTR p = dst;
TRACE("(%p, %s)\n", dst, debugstr_w(src));
while ((*p++ = (CHAR)*src++));
return dst;
}
/***********************************************************************
* 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 )
{
LPWSTR p = dst;
TRACE("(%p, %s, %i)\n", dst, debugstr_an(src,n), n);
while ((n-- > 1) && *src) *p++ = (WCHAR)(unsigned char)*src++;
if (n >= 0) *p = 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)
{
TRACE("(%p, %s, %i)\n", dst, debugstr_wn(src,n), n);
n = CRTDLL_wcstombs( dst, src, n );
if(n<0)
n=0;
dst[n] = 0;
}
return dst;
}
/***********************************************************************
* UnicodeToAnsi (KERNEL.434)
*/
INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
{
if ( codepage != -1 )
FIXME("codepage %d not supported\n", codepage );
lstrcpyWtoA( dst, src );
return (INT16)lstrlenA( dst );
}
/***********************************************************************
* Copy (GDI.250)
*/
void WINAPI Copy16( LPVOID src, LPVOID dst, WORD size )
{
memcpy( dst, src, size );
}
/***********************************************************************
* AnsiToOem16 (KEYBOARD.5)
*/
INT16 WINAPI AnsiToOem16( LPCSTR s, LPSTR d )
{
CharToOemA( s, d );
return -1;
}
/***********************************************************************
* OemToAnsi16 (KEYBOARD.6)
*/
INT16 WINAPI OemToAnsi16( LPCSTR s, LPSTR d )
{
OemToCharA( s, d );
return -1;
}
/***********************************************************************
* AnsiToOemBuff16 (KEYBOARD.134)
*/
void WINAPI AnsiToOemBuff16( LPCSTR s, LPSTR d, UINT16 len )
{
if (len != 0) CharToOemBuffA( s, d, len );
}
/***********************************************************************
* OemToAnsiBuff16 (KEYBOARD.135)
*/
void WINAPI OemToAnsiBuff16( LPCSTR s, LPSTR d, UINT16 len )
{
if (len != 0) OemToCharBuffA( s, d, len );
}
/***********************************************************************
* CharToOem32A (USER32.37)
*/
BOOL WINAPI CharToOemA( LPCSTR s, LPSTR d )
{
LPSTR oldd = d;
if (!s || !d) return TRUE;
TRACE("CharToOem %s\n", debugstr_a (s));
while ((*d++ = ANSI_TO_OEM(*s++)));
TRACE(" to %s\n", debugstr_a (oldd));
return TRUE;
}
/***********************************************************************
* CharToOemBuff32A (USER32.38)
*/
BOOL WINAPI CharToOemBuffA( LPCSTR s, LPSTR d, DWORD len )
{
while (len--) *d++ = ANSI_TO_OEM(*s++);
return TRUE;
}
/***********************************************************************
* CharToOemBuff32W (USER32.39)
*/
BOOL WINAPI CharToOemBuffW( LPCWSTR s, LPSTR d, DWORD len )
{
while (len--) *d++ = ANSI_TO_OEM(*s++);
return TRUE;
}
/***********************************************************************
* CharToOem32W (USER32.40)
*/
BOOL WINAPI CharToOemW( LPCWSTR s, LPSTR d )
{
LPSTR oldd = d;
if (!s || !d) return TRUE;
TRACE("CharToOem %s\n", debugstr_w (s));
while ((*d++ = ANSI_TO_OEM(*s++)));
TRACE(" to %s\n", debugstr_a (oldd));
return TRUE;
}
/***********************************************************************
* OemToChar32A (USER32.402)
*/
BOOL WINAPI OemToCharA( LPCSTR s, LPSTR d )
{
LPSTR oldd = d;
TRACE("OemToChar %s\n", debugstr_a (s));
while ((*d++ = OEM_TO_ANSI(*s++)));
TRACE(" to %s\n", debugstr_a (oldd));
return TRUE;
}
/***********************************************************************
* OemToCharBuff32A (USER32.403)
*/
BOOL WINAPI OemToCharBuffA( LPCSTR s, LPSTR d, DWORD len )
{
TRACE("OemToCharBuff %s\n", debugstr_an (s, len));
while (len--) *d++ = OEM_TO_ANSI(*s++);
return TRUE;
}
/***********************************************************************
* OemToCharBuff32W (USER32.404)
*/
BOOL WINAPI OemToCharBuffW( LPCSTR s, LPWSTR d, DWORD len )
{
TRACE("OemToCharBuff %s\n", debugstr_an (s, len));
while (len--) *d++ = (WCHAR)OEM_TO_ANSI(*s++);
return TRUE;
}
/***********************************************************************
* OemToChar32W (USER32.405)
*/
BOOL WINAPI OemToCharW( LPCSTR s, LPWSTR d )
{
while ((*d++ = (WCHAR)OEM_TO_ANSI(*s++)));
return TRUE;
}
/***********************************************************************
* lstrrchr (Not a Windows API)
*
* This is the implementation meant to be invoked from within
* COMCTL32_StrRChrA and shell32(TODO)...
*
* Return a pointer to the last occurence of wMatch in lpStart
* not looking further than lpEnd...
*/
LPSTR WINAPI lstrrchr( LPCSTR lpStart, LPCSTR lpEnd, WORD wMatch )
{
LPCSTR lpGotIt = NULL;
TRACE("(%p, %p, %x)\n", lpStart, lpEnd, wMatch);
if (!lpEnd) lpEnd = lpStart + strlen(lpStart);
for(; lpStart < lpEnd; lpStart = CharNextA(lpStart))
if (!ChrCmpA( GET_WORD(lpStart), wMatch))
lpGotIt = lpStart;
return ((LPSTR)lpGotIt);
}
/***********************************************************************
* ChrCmpW
* This fuction returns FALSE if both words match, TRUE otherwise...
*/
static BOOL ChrCmpW( WORD word1, WORD word2) {
return (word1 != word2);
}
/***********************************************************************
* lstrrchrw (Not a Windows API)
*
* This is the implementation meant to be invoked form within
* COMCTL32_StrRChrW and shell32(TODO)...
*
* Return a pointer to the last occurence of wMatch in lpStart
* not looking further than lpEnd...
*/
LPWSTR WINAPI lstrrchrw( LPCWSTR lpStart, LPCWSTR lpEnd, WORD wMatch )
{
LPCWSTR lpGotIt = NULL;
TRACE("(%p, %p, %x)\n", lpStart, lpEnd, wMatch);
if (!lpEnd) lpEnd = lpStart + lstrlenW(lpStart);
for(; lpStart < lpEnd; lpStart = CharNextW(lpStart))
if (!ChrCmpW( GET_WORD(lpStart), wMatch))
lpGotIt = lpStart;
return (LPWSTR)lpGotIt;
}
/***********************************************************************
* ChrCmpA
* This fuction returns FALSE if both words match, TRUE otherwise...
*/
static BOOL ChrCmpA( WORD word1, WORD word2) {
if (LOBYTE(word1) == LOBYTE(word2)) {
if (IsDBCSLeadByte(LOBYTE(word1))) {
return (word1 != word2);
}
return FALSE;
}
return TRUE;
}
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