2 * USER string functions
4 * Copyright 1993 Yngvi Sigurjonsson (yngvi@hafro.is)
5 * Copyright 1996 Alexandre Julliard
6 * Copyright 1996 Marcus Meissner
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
36 #include "wine/exception.h"
37 #include "wine/unicode.h"
38 #include "wine/winbase16.h"
39 #include "wine/winuser16.h"
43 #include "wine/debug.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(resource
);
47 /* filter for page-fault exceptions */
48 static WINE_EXCEPTION_FILTER(page_fault
)
50 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION
||
51 GetExceptionCode() == EXCEPTION_PRIV_INSTRUCTION
)
52 return EXCEPTION_EXECUTE_HANDLER
;
53 return EXCEPTION_CONTINUE_SEARCH
;
56 /***********************************************************************
57 * AnsiToOem (KEYBOARD.5)
59 INT16 WINAPI
AnsiToOem16( LPCSTR s
, LPSTR d
)
66 /***********************************************************************
67 * OemToAnsi (KEYBOARD.6)
69 INT16 WINAPI
OemToAnsi16( LPCSTR s
, LPSTR d
)
76 /***********************************************************************
77 * AnsiToOemBuff (KEYBOARD.134)
79 void WINAPI
AnsiToOemBuff16( LPCSTR s
, LPSTR d
, UINT16 len
)
81 if (len
!= 0) CharToOemBuffA( s
, d
, len
);
85 /***********************************************************************
86 * OemToAnsiBuff (KEYBOARD.135)
88 void WINAPI
OemToAnsiBuff16( LPCSTR s
, LPSTR d
, UINT16 len
)
90 if (len
!= 0) OemToCharBuffA( s
, d
, len
);
94 /***********************************************************************
97 INT16 WINAPI
lstrcmp16( LPCSTR str1
, LPCSTR str2
)
99 return (INT16
)strcmp( str1
, str2
);
103 /***********************************************************************
104 * AnsiUpper (USER.431)
106 SEGPTR WINAPI
AnsiUpper16( SEGPTR strOrChar
)
108 /* uppercase only one char if strOrChar < 0x10000 */
109 if (HIWORD(strOrChar
))
111 CharUpperA( MapSL(strOrChar
) );
114 else return toupper((char)strOrChar
);
118 /***********************************************************************
119 * AnsiLower (USER.432)
121 SEGPTR WINAPI
AnsiLower16( SEGPTR strOrChar
)
123 /* lowercase only one char if strOrChar < 0x10000 */
124 if (HIWORD(strOrChar
))
126 CharLowerA( MapSL(strOrChar
) );
129 else return tolower((char)strOrChar
);
133 /***********************************************************************
134 * AnsiUpperBuff (USER.437)
136 UINT16 WINAPI
AnsiUpperBuff16( LPSTR str
, UINT16 len
)
138 CharUpperBuffA( str
, len
? len
: 65536 );
143 /***********************************************************************
144 * AnsiLowerBuff (USER.438)
146 UINT16 WINAPI
AnsiLowerBuff16( LPSTR str
, UINT16 len
)
148 CharLowerBuffA( str
, len
? len
: 65536 );
153 /***********************************************************************
154 * AnsiNext (USER.472)
156 SEGPTR WINAPI
AnsiNext16(SEGPTR current
)
158 char *ptr
= MapSL(current
);
159 return current
+ (CharNextA(ptr
) - ptr
);
163 /***********************************************************************
164 * AnsiPrev (USER.473)
166 SEGPTR WINAPI
AnsiPrev16( LPCSTR start
, SEGPTR current
)
168 char *ptr
= MapSL(current
);
169 return current
- (ptr
- CharPrevA( start
, ptr
));
173 /***********************************************************************
174 * CharNextA (USER32.@)
176 LPSTR WINAPI
CharNextA( LPCSTR ptr
)
178 if (!*ptr
) return (LPSTR
)ptr
;
179 if (IsDBCSLeadByte( ptr
[0] ) && ptr
[1]) return (LPSTR
)(ptr
+ 2);
180 return (LPSTR
)(ptr
+ 1);
184 /***********************************************************************
185 * CharNextExA (USER32.@)
187 LPSTR WINAPI
CharNextExA( WORD codepage
, LPCSTR ptr
, DWORD flags
)
189 if (!*ptr
) return (LPSTR
)ptr
;
190 if (IsDBCSLeadByteEx( codepage
, ptr
[0] ) && ptr
[1]) return (LPSTR
)(ptr
+ 2);
191 return (LPSTR
)(ptr
+ 1);
195 /***********************************************************************
196 * CharNextExW (USER32.@)
198 LPWSTR WINAPI
CharNextExW( WORD codepage
, LPCWSTR ptr
, DWORD flags
)
200 /* doesn't make sense, there are no codepages for Unicode */
205 /***********************************************************************
206 * CharNextW (USER32.@)
208 LPWSTR WINAPI
CharNextW(LPCWSTR x
)
216 /***********************************************************************
217 * CharPrevA (USER32.@)
219 LPSTR WINAPI
CharPrevA( LPCSTR start
, LPCSTR ptr
)
221 while (*start
&& (start
< ptr
))
223 LPCSTR next
= CharNextA( start
);
224 if (next
>= ptr
) break;
231 /***********************************************************************
232 * CharPrevExA (USER32.@)
234 LPSTR WINAPI
CharPrevExA( WORD codepage
, LPCSTR start
, LPCSTR ptr
, DWORD flags
)
236 while (*start
&& (start
< ptr
))
238 LPCSTR next
= CharNextExA( codepage
, start
, flags
);
239 if (next
> ptr
) break;
246 /***********************************************************************
247 * CharPrevExW (USER32.@)
249 LPSTR WINAPI
CharPrevExW( WORD codepage
, LPCWSTR start
, LPCWSTR ptr
, DWORD flags
)
251 /* doesn't make sense, there are no codepages for Unicode */
256 /***********************************************************************
257 * CharPrevW (USER32.@)
259 LPWSTR WINAPI
CharPrevW(LPCWSTR start
,LPCWSTR x
)
261 if (x
>start
) return (LPWSTR
)(x
-1);
262 else return (LPWSTR
)x
;
266 /***********************************************************************
267 * CharToOemA (USER32.@)
269 BOOL WINAPI
CharToOemA( LPCSTR s
, LPSTR d
)
271 if ( !s
|| !d
) return TRUE
;
272 return CharToOemBuffA( s
, d
, strlen( s
) + 1 );
276 /***********************************************************************
277 * CharToOemBuffA (USER32.@)
279 BOOL WINAPI
CharToOemBuffA( LPCSTR s
, LPSTR d
, DWORD len
)
283 bufW
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) );
286 MultiByteToWideChar( CP_ACP
, 0, s
, len
, bufW
, len
);
287 WideCharToMultiByte( CP_OEMCP
, 0, bufW
, len
, d
, len
, NULL
, NULL
);
288 HeapFree( GetProcessHeap(), 0, bufW
);
294 /***********************************************************************
295 * CharToOemBuffW (USER32.@)
297 BOOL WINAPI
CharToOemBuffW( LPCWSTR s
, LPSTR d
, DWORD len
)
299 if ( !s
|| !d
) return TRUE
;
300 WideCharToMultiByte( CP_OEMCP
, 0, s
, len
, d
, len
, NULL
, NULL
);
305 /***********************************************************************
306 * CharToOemW (USER32.@)
308 BOOL WINAPI
CharToOemW( LPCWSTR s
, LPSTR d
)
310 return CharToOemBuffW( s
, d
, strlenW( s
) + 1 );
314 /***********************************************************************
315 * OemToCharA (USER32.@)
317 BOOL WINAPI
OemToCharA( LPCSTR s
, LPSTR d
)
319 return OemToCharBuffA( s
, d
, strlen( s
) + 1 );
323 /***********************************************************************
324 * OemToCharBuffA (USER32.@)
326 BOOL WINAPI
OemToCharBuffA( LPCSTR s
, LPSTR d
, DWORD len
)
330 bufW
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) );
333 MultiByteToWideChar( CP_OEMCP
, 0, s
, len
, bufW
, len
);
334 WideCharToMultiByte( CP_ACP
, 0, bufW
, len
, d
, len
, NULL
, NULL
);
335 HeapFree( GetProcessHeap(), 0, bufW
);
341 /***********************************************************************
342 * OemToCharBuffW (USER32.@)
344 BOOL WINAPI
OemToCharBuffW( LPCSTR s
, LPWSTR d
, DWORD len
)
346 MultiByteToWideChar( CP_OEMCP
, 0, s
, len
, d
, len
);
351 /***********************************************************************
352 * OemToCharW (USER32.@)
354 BOOL WINAPI
OemToCharW( LPCSTR s
, LPWSTR d
)
356 return OemToCharBuffW( s
, d
, strlen( s
) + 1 );
360 /***********************************************************************
361 * CharLowerA (USER32.@)
362 * FIXME: handle current locale
364 LPSTR WINAPI
CharLowerA(LPSTR x
)
366 if (!HIWORD(x
)) return (LPSTR
)tolower((char)(int)x
);
379 SetLastError( ERROR_INVALID_PARAMETER
);
387 /***********************************************************************
388 * CharUpperA (USER32.@)
389 * FIXME: handle current locale
391 LPSTR WINAPI
CharUpperA(LPSTR x
)
393 if (!HIWORD(x
)) return (LPSTR
)toupper((char)(int)x
);
406 SetLastError( ERROR_INVALID_PARAMETER
);
414 /***********************************************************************
415 * CharLowerW (USER32.@)
417 LPWSTR WINAPI
CharLowerW(LPWSTR x
)
419 if (HIWORD(x
)) return strlwrW(x
);
420 else return (LPWSTR
)((UINT
)tolowerW(LOWORD(x
)));
424 /***********************************************************************
425 * CharUpperW (USER32.@)
427 LPWSTR WINAPI
CharUpperW(LPWSTR x
)
429 if (HIWORD(x
)) return struprW(x
);
430 else return (LPWSTR
)((UINT
)toupperW(LOWORD(x
)));
434 /***********************************************************************
435 * CharLowerBuffA (USER32.@)
437 DWORD WINAPI
CharLowerBuffA( LPSTR str
, DWORD len
)
441 if (!str
) return 0; /* YES */
443 lenW
= MultiByteToWideChar(CP_ACP
, 0, str
, len
, NULL
, 0);
444 strW
= HeapAlloc(GetProcessHeap(), 0, lenW
* sizeof(WCHAR
));
447 MultiByteToWideChar(CP_ACP
, 0, str
, len
, strW
, lenW
);
448 CharLowerBuffW(strW
, lenW
);
449 len
= WideCharToMultiByte(CP_ACP
, 0, strW
, lenW
, str
, len
, NULL
, NULL
);
450 HeapFree(GetProcessHeap(), 0, strW
);
457 /***********************************************************************
458 * CharLowerBuffW (USER32.@)
460 DWORD WINAPI
CharLowerBuffW( LPWSTR str
, DWORD len
)
463 if (!str
) return 0; /* YES */
464 for (; len
; len
--, str
++) *str
= tolowerW(*str
);
469 /***********************************************************************
470 * CharUpperBuffA (USER32.@)
472 DWORD WINAPI
CharUpperBuffA( LPSTR str
, DWORD len
)
476 if (!str
) return 0; /* YES */
478 lenW
= MultiByteToWideChar(CP_ACP
, 0, str
, len
, NULL
, 0);
479 strW
= HeapAlloc(GetProcessHeap(), 0, lenW
* sizeof(WCHAR
));
482 MultiByteToWideChar(CP_ACP
, 0, str
, len
, strW
, lenW
);
483 CharUpperBuffW(strW
, lenW
);
484 len
= WideCharToMultiByte(CP_ACP
, 0, strW
, lenW
, str
, len
, NULL
, NULL
);
485 HeapFree(GetProcessHeap(), 0, strW
);
492 /***********************************************************************
493 * CharUpperBuffW (USER32.@)
495 DWORD WINAPI
CharUpperBuffW( LPWSTR str
, DWORD len
)
498 if (!str
) return 0; /* YES */
499 for (; len
; len
--, str
++) *str
= toupperW(*str
);
504 /***********************************************************************
505 * IsCharLower (USER.436)
506 * IsCharLowerA (USER32.@)
508 BOOL WINAPI
IsCharLowerA(CHAR x
)
511 MultiByteToWideChar(CP_ACP
, 0, &x
, 1, &wch
, 1);
512 return IsCharLowerW(wch
);
516 /***********************************************************************
517 * IsCharLowerW (USER32.@)
519 BOOL WINAPI
IsCharLowerW(WCHAR x
)
521 return (get_char_typeW(x
) & C1_LOWER
) != 0;
525 /***********************************************************************
526 * IsCharUpper (USER.435)
527 * IsCharUpperA (USER32.@)
529 BOOL WINAPI
IsCharUpperA(CHAR x
)
532 MultiByteToWideChar(CP_ACP
, 0, &x
, 1, &wch
, 1);
533 return IsCharUpperW(wch
);
537 /***********************************************************************
538 * IsCharUpperW (USER32.@)
540 BOOL WINAPI
IsCharUpperW(WCHAR x
)
542 return (get_char_typeW(x
) & C1_UPPER
) != 0;
546 /***********************************************************************
547 * IsCharAlphaNumeric (USER.434)
548 * IsCharAlphaNumericA (USER32.@)
550 BOOL WINAPI
IsCharAlphaNumericA(CHAR x
)
553 MultiByteToWideChar(CP_ACP
, 0, &x
, 1, &wch
, 1);
554 return IsCharAlphaNumericW(wch
);
558 /***********************************************************************
559 * IsCharAlphaNumericW (USER32.@)
561 BOOL WINAPI
IsCharAlphaNumericW(WCHAR x
)
563 return (get_char_typeW(x
) & (C1_ALPHA
|C1_DIGIT
)) != 0;
567 /***********************************************************************
568 * IsCharAlpha (USER.433)
569 * IsCharAlphaA (USER32.@)
571 BOOL WINAPI
IsCharAlphaA(CHAR x
)
574 MultiByteToWideChar(CP_ACP
, 0, &x
, 1, &wch
, 1);
575 return IsCharAlphaW(wch
);
579 /***********************************************************************
580 * IsCharAlphaW (USER32.@)
582 BOOL WINAPI
IsCharAlphaW(WCHAR x
)
584 return (get_char_typeW(x
) & C1_ALPHA
) != 0;
588 /***********************************************************************
589 * FormatMessage (USER.606)
591 DWORD WINAPI
FormatMessage16(
593 SEGPTR lpSource
, /* [in] NOTE: not always a valid pointer */
596 LPSTR lpBuffer
, /* [out] NOTE: *((HLOCAL16*)) for FORMAT_MESSAGE_ALLOCATE_BUFFER*/
598 LPDWORD args
/* [in] NOTE: va_list *args */
601 /* This implementation is completely dependent on the format of the va_list on x86 CPUs */
605 DWORD width
= dwFlags
& FORMAT_MESSAGE_MAX_WIDTH_MASK
;
607 LPSTR allocstring
= NULL
;
609 TRACE("(0x%lx,%lx,%d,0x%x,%p,%d,%p)\n",
610 dwFlags
,lpSource
,dwMessageId
,dwLanguageId
,lpBuffer
,nSize
,args
);
611 if ((dwFlags
& FORMAT_MESSAGE_FROM_SYSTEM
)
612 && (dwFlags
& FORMAT_MESSAGE_FROM_HMODULE
)) return 0;
613 if ((dwFlags
& FORMAT_MESSAGE_FROM_STRING
)
614 &&((dwFlags
& FORMAT_MESSAGE_FROM_SYSTEM
)
615 || (dwFlags
& FORMAT_MESSAGE_FROM_HMODULE
))) return 0;
617 if (width
&& width
!= FORMAT_MESSAGE_MAX_WIDTH_MASK
)
618 FIXME("line wrapping (%lu) not supported.\n", width
);
620 if (dwFlags
& FORMAT_MESSAGE_FROM_STRING
)
622 char *source
= MapSL(lpSource
);
623 from
= HeapAlloc( GetProcessHeap(), 0, strlen(source
)+1 );
624 strcpy( from
, source
);
626 if (dwFlags
& FORMAT_MESSAGE_FROM_SYSTEM
) {
627 from
= HeapAlloc( GetProcessHeap(),0,200 );
628 sprintf(from
,"Systemmessage, messageid = 0x%08x\n",dwMessageId
);
630 if (dwFlags
& FORMAT_MESSAGE_FROM_HMODULE
) {
632 HINSTANCE16 hinst16
= ((HINSTANCE16
)lpSource
& 0xffff);
634 dwMessageId
&= 0xFFFF;
635 bufsize
=LoadString16(hinst16
,dwMessageId
,NULL
,0);
637 from
= HeapAlloc( GetProcessHeap(), 0, bufsize
+1);
638 LoadString16(hinst16
,dwMessageId
,from
,bufsize
+1);
641 target
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, 100);
645 #define ADD_TO_T(c) \
647 if (t-target == talloced) {\
648 target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
649 t = target+talloced;\
658 char *fmtstr
,*x
,*lastf
;
669 case '1':case '2':case '3':case '4':case '5':
670 case '6':case '7':case '8':case '9':
673 case '0':case '1':case '2':case '3':
674 case '4':case '5':case '6':case '7':
677 insertnr
=insertnr
*10+*f
-'0';
686 if (NULL
!=(x
=strchr(f
,'!'))) {
688 fmtstr
=HeapAlloc(GetProcessHeap(),0,strlen(f
)+2);
689 sprintf(fmtstr
,"%%%s",f
);
692 fmtstr
=HeapAlloc(GetProcessHeap(),0,strlen(f
)+2);
693 sprintf(fmtstr
,"%%%s",f
);
694 f
+=strlen(f
); /*at \0*/
700 fmtstr
=HeapAlloc( GetProcessHeap(), 0, 3 );
701 strcpy( fmtstr
, "%s" );
706 LPSTR b
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sz
= 100);
708 argliststart
=args
+insertnr
-1;
710 /* CMF - This makes a BIG assumption about va_list */
711 while ((ret
= vsnprintf(b
, sz
, fmtstr
, (va_list) argliststart
) < 0) || (ret
>= sz
)) {
712 sz
= (ret
== -1 ? sz
+ 100 : ret
+ 1);
713 b
= HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, b
, sz
);
715 for (x
=b
; *x
; x
++) ADD_TO_T(*x
);
716 HeapFree(GetProcessHeap(), 0, b
);
718 /* NULL args - copy formatstr
721 while ((lastf
<f
)&&(*lastf
)) {
725 HeapFree(GetProcessHeap(),0,fmtstr
);
727 case '0': /* Just stop processing format string */
731 case 'n': /* 16 bit version just outputs 'n' */
736 } else { /* '\n' or '\r' gets mapped to "\r\n" */
737 if(*f
== '\n' || *f
== '\r') {
741 if(*f
++ == '\r' && *f
== '\n')
751 talloced
= strlen(target
)+1;
752 if (nSize
&& talloced
<nSize
) {
753 target
= (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY
,target
,nSize
);
755 TRACE("-- %s\n",debugstr_a(target
));
756 if (dwFlags
& FORMAT_MESSAGE_ALLOCATE_BUFFER
) {
757 /* nSize is the MINIMUM size */
758 HLOCAL16 h
= LocalAlloc16(LPTR
,talloced
);
759 SEGPTR ptr
= LocalLock16(h
);
760 allocstring
= MapSL( ptr
);
761 memcpy( allocstring
,target
,talloced
);
763 *((HLOCAL16
*)lpBuffer
) = h
;
765 lstrcpynA(lpBuffer
,target
,nSize
);
766 HeapFree(GetProcessHeap(),0,target
);
767 if (from
) HeapFree(GetProcessHeap(),0,from
);
768 return (dwFlags
& FORMAT_MESSAGE_ALLOCATE_BUFFER
) ?
773 #endif /* __i386__ */