source: trunk/src/msvcrt/mbcs.c@ 21622

Last change on this file since 21622 was 21395, checked in by dmik, 15 years ago

Attempted to resurrect building of msvcrt.dll.
File size: 27.2 KB
Line 
1/*
2 * msvcrt.dll mbcs functions
3 *
4 * Copyright 1999 Alexandre Julliard
5 * Copyright 2000 Jon Griffths
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * FIXME
22 * Not currently binary compatible with win32. MSVCRT_mbctype must be
23 * populated correctly and the ismb* functions should reference it.
24 */
25
26#include "msvcrt.h"
27
28#include "msvcrt/mbctype.h"
29#include "msvcrt/mbstring.h"
30#include "msvcrt/stdlib.h"
31#include "msvcrt/string.h"
32#include "msvcrt/wctype.h"
33
34#include "wine/unicode.h"
35#include "wine/debug.h"
36
37WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
38
39unsigned char MSVCRT_mbctype[257];
40int MSVCRT___mb_cur_max = 1;
41
42static MSVCRT_wchar_t msvcrt_mbc_to_wc(unsigned int ch)
43{
44 MSVCRT_wchar_t chW;
45 char mbch[2];
46 int n_chars;
47
48 if (ch <= 0xff) {
49 mbch[0] = ch;
50 n_chars = 1;
51 } else {
52 mbch[0] = (ch >> 8) & 0xff;
53 mbch[1] = ch & 0xff;
54 n_chars = 2;
55 }
56 if (!MultiByteToWideChar(MSVCRT_current_lc_all_cp, 0, mbch, n_chars, &chW, 1))
57 {
58 WARN("MultiByteToWideChar failed on %x\n", ch);
59 return 0;
60 }
61 return chW;
62}
63
64/*********************************************************************
65 * __p__mbctype (MSVCRT.@)
66 */
67unsigned char* __p__mbctype(void)
68{
69 dprintf(("MSVCRT: Query for __p__mbctype"));
70 return MSVCRT_mbctype;
71}
72
73/*********************************************************************
74 * __p___mb_cur_max(MSVCRT.@)
75 */
76int* __p___mb_cur_max(void)
77{
78 dprintf(("MSVCRT: Query for __p__mb_cur_max"));
79 return &MSVCRT___mb_cur_max;
80}
81
82/*********************************************************************
83 * _mbsnextc(MSVCRT.@)
84 */
85unsigned int _mbsnextc(const unsigned char* str)
86{
87 dprintf(("MSVCRT: _mbsnextc"));
88 if(MSVCRT___mb_cur_max > 1 && MSVCRT_isleadbyte(*str))
89 return *str << 8 | str[1];
90 return *str; /* ASCII CP or SB char */
91}
92
93/*********************************************************************
94 * _mbctolower(MSVCRT.@)
95 */
96unsigned int _mbctolower(unsigned int c)
97{
98 dprintf(("MSVCRT: _mbctolower"));
99 if (MSVCRT_isleadbyte(c))
100 {
101 FIXME("Handle MBC chars\n");
102 return c;
103 }
104 return tolower(c); /* ASCII CP or SB char */
105}
106
107/*********************************************************************
108 * _mbctoupper(MSVCRT.@)
109 */
110unsigned int _mbctoupper(unsigned int c)
111{
112 dprintf(("MSVCRT: _mbctoupper"));
113 if (MSVCRT_isleadbyte(c))
114 {
115 FIXME("Handle MBC chars\n");
116 return c;
117 }
118 return toupper(c); /* ASCII CP or SB char */
119}
120
121/*********************************************************************
122 * _mbsdec(MSVCRT.@)
123 */
124unsigned char* _mbsdec(const unsigned char* start, const unsigned char* cur)
125{
126 dprintf(("MSVCRT: _mbsdec"));
127 if(MSVCRT___mb_cur_max > 1)
128 return (char *)(_ismbstrail(start,cur-1) ? cur - 2 : cur -1);
129
130 return (char *)cur - 1; /* ASCII CP or SB char */
131}
132
133/*********************************************************************
134 * _mbsinc(MSVCRT.@)
135 */
136unsigned char* _mbsinc(const unsigned char* str)
137{
138 dprintf(("MSVCRT: _mbsinc"));
139 if(MSVCRT___mb_cur_max > 1 && MSVCRT_isleadbyte(*str))
140 return (unsigned char*)str + 2; /* MB char */
141
142 return (unsigned char*)str + 1; /* ASCII CP or SB char */
143}
144
145/*********************************************************************
146 * _mbsninc(MSVCRT.@)
147 */
148unsigned char* _mbsninc(const unsigned char* str, MSVCRT_size_t num)
149{
150 dprintf(("MSVCRT: _mbsninc"));
151 if(!str || num < 1)
152 return NULL;
153 if(MSVCRT___mb_cur_max > 1)
154 {
155 while(num--)
156 str = _mbsinc(str);
157 return (unsigned char*)str;
158 }
159 return (unsigned char*)str + num; /* ASCII CP */
160}
161
162/*********************************************************************
163 * _mbclen(MSVCRT.@)
164 */
165unsigned int _mbclen(const unsigned char* str)
166{
167 dprintf(("MSVCRT: _mbclen"));
168 return MSVCRT_isleadbyte(*str) ? 2 : 1;
169}
170
171/*********************************************************************
172 * mblen(MSVCRT.@)
173 */
174int MSVCRT_mblen(const char* str, MSVCRT_size_t size)
175{
176 dprintf(("MSVCRT: mblen"));
177 if (str && *str && size)
178 {
179 if(MSVCRT___mb_cur_max == 1)
180 return 1; /* ASCII CP */
181
182 return !MSVCRT_isleadbyte(*str) ? 1 : (size>1 ? 2 : -1);
183 }
184 return 0;
185}
186
187/*********************************************************************
188 * _mbslen(MSVCRT.@)
189 */
190MSVCRT_size_t _mbslen(const unsigned char* str)
191{
192 dprintf(("MSVCRT: _mbslen"));
193 if(MSVCRT___mb_cur_max > 1)
194 {
195 MSVCRT_size_t len = 0;
196 while(*str)
197 {
198 str += MSVCRT_isleadbyte(*str) ? 2 : 1;
199 len++;
200 }
201 return len;
202 }
203 return strlen(str); /* ASCII CP */
204}
205
206/*********************************************************************
207 * _mbstrlen(MSVCRT.@)
208 */
209MSVCRT_size_t _mbstrlen(const char* str)
210{
211 dprintf(("MSVCRT: _mbstrlen"));
212 if(MSVCRT___mb_cur_max > 1)
213 {
214 MSVCRT_size_t len = 0;
215 while(*str)
216 {
217 /* FIXME: According to the documentation we are supposed to test for
218 * multi-byte character validity. Whatever that means
219 */
220 str += MSVCRT_isleadbyte(*str) ? 2 : 1;
221 len++;
222 }
223 return len;
224 }
225 return strlen(str); /* ASCII CP */
226}
227
228/*********************************************************************
229 * _mbccpy(MSVCRT.@)
230 */
231void _mbccpy(unsigned char* dest, const unsigned char* src)
232{
233 dprintf(("MSVCRT: _mbccpy"));
234 *dest++ = *src;
235 if(MSVCRT___mb_cur_max > 1 && MSVCRT_isleadbyte(*src))
236 *dest = *++src; /* MB char */
237 else
238 ERR("failure.. is this ok?\n");
239}
240
241/*********************************************************************
242 * _mbsncpy(MSVCRT.@)
243 */
244unsigned char* _mbsncpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
245{
246 dprintf(("MSVCRT: _mbsncpy"));
247 if(!n)
248 return dst;
249 if(MSVCRT___mb_cur_max > 1)
250 {
251 unsigned char* ret = dst;
252 while (*src && n--)
253 {
254 *dst++ = *src;
255 if (MSVCRT_isleadbyte(*src++))
256 *dst++ = *src++;
257 }
258 while(n--)
259 *dst++ = '\0';
260 return ret;
261 }
262 return strncpy(dst, src, n); /* ASCII CP */
263}
264
265/*********************************************************************
266 * _mbsnbcpy(MSVCRT.@)
267 */
268unsigned char* _mbsnbcpy(unsigned char* dst, const unsigned char* src, MSVCRT_size_t n)
269{
270 dprintf(("MSVCRT: _mbsnbcpy"));
271 if(!n)
272 return dst;
273 if(MSVCRT___mb_cur_max > 1)
274 {
275 unsigned char* ret = dst;
276 while (*src && (n-- > 1))
277 {
278 *dst++ = *src;
279 if (MSVCRT_isleadbyte(*src++))
280 {
281 *dst++ = *src++;
282 n--;
283 }
284 }
285 if (*src && n && !MSVCRT_isleadbyte(*src))
286 {
287 /* If the last character is a multi-byte character then
288 * we cannot copy it since we have only one byte left
289 */
290 *dst++ = *src;
291 n--;
292 }
293 while (n--)
294 *dst++ = '\0';
295 return ret;
296 }
297 return strncpy(dst, src, n); /* ASCII CP */
298}
299
300/*********************************************************************
301 * _mbscmp(MSVCRT.@)
302 */
303int _mbscmp(const unsigned char* str, const unsigned char* cmp)
304{
305 dprintf(("MSVCRT: _mbscmp"));
306 if(MSVCRT___mb_cur_max > 1)
307 {
308 unsigned int strc, cmpc;
309 do {
310 if(!*str)
311 return *cmp ? -1 : 0;
312 if(!*cmp)
313 return 1;
314 strc = _mbsnextc(str);
315 cmpc = _mbsnextc(cmp);
316 if(strc != cmpc)
317 return strc < cmpc ? -1 : 1;
318 str +=(strc > 255) ? 2 : 1;
319 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
320 } while(1);
321 }
322 return strcmp(str, cmp); /* ASCII CP */
323}
324
325/*********************************************************************
326 * _mbsicoll(MSVCRT.@)
327 * FIXME: handle locales.
328 */
329int _mbsicoll(const unsigned char* str, const unsigned char* cmp)
330{
331 if(MSVCRT___mb_cur_max > 1)
332 {
333 unsigned int strc, cmpc;
334 do {
335 if(!*str)
336 return *cmp ? -1 : 0;
337 if(!*cmp)
338 return 1;
339 strc = _mbctolower(_mbsnextc(str));
340 cmpc = _mbctolower(_mbsnextc(cmp));
341 if(strc != cmpc)
342 return strc < cmpc ? -1 : 1;
343 str +=(strc > 255) ? 2 : 1;
344 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
345 } while(1);
346 }
347 return strcasecmp(str, cmp); /* ASCII CP */
348}
349
350/*********************************************************************
351 * _mbsicmp(MSVCRT.@)
352 */
353int _mbsicmp(const unsigned char* str, const unsigned char* cmp)
354{
355 dprintf(("MSVCRT: _mbsicmp"));
356 if(MSVCRT___mb_cur_max > 1)
357 {
358 unsigned int strc, cmpc;
359 do {
360 if(!*str)
361 return *cmp ? -1 : 0;
362 if(!*cmp)
363 return 1;
364 strc = _mbctolower(_mbsnextc(str));
365 cmpc = _mbctolower(_mbsnextc(cmp));
366 if(strc != cmpc)
367 return strc < cmpc ? -1 : 1;
368 str +=(strc > 255) ? 2 : 1;
369 cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
370 } while(1);
371 }
372 return _stricmp(str, cmp); /* ASCII CP */
373}
374
375/*********************************************************************
376 * _mbsncmp(MSVCRT.@)
377 */
378int _mbsncmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
379{
380 dprintf(("MSVCRT: _mbsncmp"));
381 if(!len)
382 return 0;
383
384 if(MSVCRT___mb_cur_max > 1)
385 {
386 unsigned int strc, cmpc;
387 while(len--)
388 {
389 int inc;
390 if(!*str)
391 return *cmp ? -1 : 0;
392 if(!*cmp)
393 return 1;
394 strc = _mbsnextc(str);
395 cmpc = _mbsnextc(cmp);
396 if(strc != cmpc)
397 return strc < cmpc ? -1 : 1;
398 inc=(strc > 255) ? 2 : 1; /* Equal, use same increment */
399 str += inc;
400 cmp += inc;
401 }
402 return 0; /* Matched len chars */
403 }
404 return strncmp(str, cmp, len); /* ASCII CP */
405}
406
407/*********************************************************************
408 * _mbsnbcmp(MSVCRT.@)
409 */
410int _mbsnbcmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
411{
412 dprintf(("MSVCRT: _mbsnbcmp"));
413 if (!len)
414 return 0;
415 if(MSVCRT___mb_cur_max > 1)
416 {
417 unsigned int strc, cmpc;
418 while (len)
419 {
420 int clen;
421 if(!*str)
422 return *cmp ? -1 : 0;
423 if(!*cmp)
424 return 1;
425 if (MSVCRT_isleadbyte(*str))
426 {
427 strc=(len>=2)?_mbsnextc(str):0;
428 clen=2;
429 }
430 else
431 {
432 strc=*str;
433 clen=1;
434 }
435 if (MSVCRT_isleadbyte(*cmp))
436 cmpc=(len>=2)?_mbsnextc(cmp):0;
437 else
438 cmpc=*str;
439 if(strc != cmpc)
440 return strc < cmpc ? -1 : 1;
441 len -= clen;
442 str += clen;
443 cmp += clen;
444 }
445 return 0; /* Matched len chars */
446 FIXME("%s %s %d\n",str,cmp,len);
447 }
448 return strncmp(str,cmp,len);
449}
450
451/*********************************************************************
452 * _mbsnicmp(MSVCRT.@)
453 *
454 * Compare two multibyte strings case insensitively to 'len' characters.
455 */
456int _mbsnicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
457{
458 dprintf(("MSVCRT: _mbsnicmp"));
459 /* FIXME: No tolower() for mb strings yet */
460 if(MSVCRT___mb_cur_max > 1)
461 {
462 unsigned int strc, cmpc;
463 while(len--)
464 {
465 if(!*str)
466 return *cmp ? -1 : 0;
467 if(!*cmp)
468 return 1;
469 strc = _mbctolower(_mbsnextc(str));
470 cmpc = _mbctolower(_mbsnextc(cmp));
471 if(strc != cmpc)
472 return strc < cmpc ? -1 : 1;
473 str +=(strc > 255) ? 2 : 1;
474 cmp +=(strc > 255) ? 2 : 1; /* Equal, use same increment */
475 }
476 return 0; /* Matched len chars */
477 }
478 return strncasecmp(str, cmp, len); /* ASCII CP */
479}
480
481/*********************************************************************
482 * _mbsnbicmp(MSVCRT.@)
483 */
484int _mbsnbicmp(const unsigned char* str, const unsigned char* cmp, MSVCRT_size_t len)
485{
486 dprintf(("MSVCRT: _mbsnbicmp"));
487 if (!len)
488 return 0;
489 if(MSVCRT___mb_cur_max > 1)
490 {
491 unsigned int strc, cmpc;
492 while (len)
493 {
494 int clen;
495 if(!*str)
496 return *cmp ? -1 : 0;
497 if(!*cmp)
498 return 1;
499 if (MSVCRT_isleadbyte(*str))
500 {
501 strc=(len>=2)?_mbsnextc(str):0;
502 clen=2;
503 }
504 else
505 {
506 strc=*str;
507 clen=1;
508 }
509 if (MSVCRT_isleadbyte(*cmp))
510 cmpc=(len>=2)?_mbsnextc(cmp):0;
511 else
512 cmpc=*str;
513 strc = _mbctolower(strc);
514 cmpc = _mbctolower(cmpc);
515 if(strc != cmpc)
516 return strc < cmpc ? -1 : 1;
517 len -= clen;
518 str += clen;
519 cmp += clen;
520 }
521 return 0; /* Matched len bytes */
522 FIXME("%s %s %d\n",str,cmp,len);
523 }
524 return strncmp(str,cmp,len);
525}
526
527/*********************************************************************
528 * _mbschr(MSVCRT.@)
529 *
530 * Find a multibyte character in a multibyte string.
531 */
532unsigned char* _mbschr(const unsigned char* s, unsigned int x)
533{
534 dprintf(("MSVCRT: _mbschr"));
535 if(MSVCRT___mb_cur_max > 1)
536 {
537 unsigned int c;
538 while (1)
539 {
540 c = _mbsnextc(s);
541 if (c == x)
542 return (unsigned char*)s;
543 if (!c)
544 return NULL;
545 s += c > 255 ? 2 : 1;
546 }
547 }
548 return strchr(s, x); /* ASCII CP */
549}
550
551/*********************************************************************
552 * _mbsrchr(MSVCRT.@)
553 */
554unsigned char* _mbsrchr(const unsigned char* s, unsigned int x)
555{
556 dprintf(("MSVCRT: _mbsrchr"));
557 if(MSVCRT___mb_cur_max > 1)
558 {
559 unsigned int c;
560 unsigned char* match=NULL;
561 if(!s)
562 return NULL;
563 while (1) {
564 c = _mbsnextc(s);
565 if (c == x)
566 match=(unsigned char*)s;
567 if (!c)
568 return match;
569 s +=(c > 255) ? 2 : 1;
570 }
571 }
572 return strrchr(s,x);
573}
574
575/*********************************************************************
576 * _mbstok(MSVCRT.@)
577 *
578 * Find and extract tokens from strings
579 */
580unsigned char* _mbstok(unsigned char *str, const unsigned char *delim)
581{
582 MSVCRT_thread_data *data = msvcrt_get_thread_data();
583 char *ret;
584
585 if(MSVCRT___mb_cur_max > 1)
586 {
587 unsigned int c;
588
589 if (!str)
590 if (!(str = data->mbstok_next)) return NULL;
591
592 while ((c = _mbsnextc(str)) && _mbschr(delim, c)) {
593 str += c > 255 ? 2 : 1;
594 }
595 if (!*str) return NULL;
596 ret = str++;
597 while ((c = _mbsnextc(str)) && !_mbschr(delim, c)) {
598 str += c > 255 ? 2 : 1;
599 }
600 if (*str) {
601 *str++ = 0;
602 if (c > 255) *str++ = 0;
603 }
604 data->mbstok_next = str;
605 return ret;
606 }
607 return strtok(str, delim); /* ASCII CP */
608}
609
610/*********************************************************************
611 * mbtowc(MSVCRT.@)
612 */
613int MSVCRT_mbtowc(MSVCRT_wchar_t *dst, const char* str, MSVCRT_size_t n)
614{
615 dprintf(("MSVCRT: _mbtowc"));
616 if(n <= 0 || !str)
617 return 0;
618 if(!MultiByteToWideChar(CP_ACP, 0, str, n, dst, 1))
619 return 0;
620 /* return the number of bytes from src that have been used */
621 if(!*str)
622 return 0;
623 if(n >= 2 && MSVCRT_isleadbyte(*str) && str[1])
624 return 2;
625 return 1;
626}
627
628/*********************************************************************
629 * _mbbtombc(MSVCRT.@)
630 */
631unsigned int _mbbtombc(unsigned int c)
632{
633 dprintf(("MSVCRT: _mbbtombc"));
634 if(MSVCRT___mb_cur_max > 1 &&
635 ((c >= 0x20 && c <=0x7e) ||(c >= 0xa1 && c <= 0xdf)))
636 {
637 /* FIXME: I can't get this function to return anything
638 * different to what I pass it...
639 */
640 }
641 return c; /* ASCII CP or no MB char */
642}
643
644/*********************************************************************
645 * _ismbbkana(MSVCRT.@)
646 */
647int _ismbbkana(unsigned int c)
648{
649 dprintf(("MSVCRT: _ismbbkana"));
650 /* FIXME: use lc_ctype when supported, not lc_all */
651 if(MSVCRT_current_lc_all_cp == 932)
652 {
653 /* Japanese/Katakana, CP 932 */
654 return (c >= 0xa1 && c <= 0xdf);
655 }
656 return 0;
657}
658
659/*********************************************************************
660 * _ismbcdigit(MSVCRT.@)
661 */
662int _ismbcdigit(unsigned int ch)
663{
664 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
665 dprintf(("MSVCRT: _ismbcdigit"));
666 return (get_char_typeW( wch ) & C1_DIGIT);
667}
668
669/*********************************************************************
670 * _ismbcgraph(MSVCRT.@)
671 */
672int _ismbcgraph(unsigned int ch)
673{
674 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
675 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA));
676}
677
678/*********************************************************************
679 * _ismbcalpha (MSVCRT.@)
680 */
681int _ismbcalpha(unsigned int ch)
682{
683 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
684 return (get_char_typeW( wch ) & C1_ALPHA);
685}
686
687/*********************************************************************
688 * _ismbclower (MSVCRT.@)
689 */
690int _ismbclower(unsigned int ch)
691{
692 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
693 return (get_char_typeW( wch ) & C1_UPPER);
694}
695
696/*********************************************************************
697 * _ismbcupper (MSVCRT.@)
698 */
699int _ismbcupper(unsigned int ch)
700{
701 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
702 return (get_char_typeW( wch ) & C1_LOWER);
703}
704
705/*********************************************************************
706 * _ismbcsymbol(MSVCRT.@)
707 */
708int _ismbcsymbol(unsigned int ch)
709{
710 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
711 WORD ctype;
712 if (!GetStringTypeW(CT_CTYPE3, &wch, 1, &ctype))
713 {
714 WARN("GetStringTypeW failed on %x\n", ch);
715 return 0;
716 }
717 return ((ctype & C3_SYMBOL) != 0);
718}
719
720/*********************************************************************
721 * _ismbcalnum (MSVCRT.@)
722 */
723int _ismbcalnum(unsigned int ch)
724{
725 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
726 return (get_char_typeW( wch ) & (C1_ALPHA | C1_DIGIT));
727}
728
729/*********************************************************************
730 * _ismbcspace (MSVCRT.@)
731 */
732int _ismbcspace(unsigned int ch)
733{
734 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
735 return (get_char_typeW( wch ) & C1_SPACE);
736}
737
738/*********************************************************************
739 * _ismbcprint (MSVCRT.@)
740 */
741int _ismbcprint(unsigned int ch)
742{
743 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
744 return (get_char_typeW( wch ) & (C1_UPPER | C1_LOWER | C1_DIGIT | C1_PUNCT | C1_ALPHA | C1_SPACE));
745}
746
747/*********************************************************************
748 * _ismbcpunct(MSVCRT.@)
749 */
750int _ismbcpunct(unsigned int ch)
751{
752 MSVCRT_wchar_t wch = msvcrt_mbc_to_wc( ch );
753 return (get_char_typeW( wch ) & C1_PUNCT);
754}
755
756/*********************************************************************
757 * _ismbchira(MSVCRT.@)
758 */
759int _ismbchira(unsigned int c)
760{
761 /* FIXME: use lc_ctype when supported, not lc_all */
762 if(MSVCRT_current_lc_all_cp == 932)
763 {
764 /* Japanese/Hiragana, CP 932 */
765 return (c >= 0x829f && c <= 0x82f1);
766 }
767 return 0;
768}
769
770/*********************************************************************
771 * _ismbckata(MSVCRT.@)
772 */
773int _ismbckata(unsigned int c)
774{
775 /* FIXME: use lc_ctype when supported, not lc_all */
776 if(MSVCRT_current_lc_all_cp == 932)
777 {
778 if(c < 256)
779 return _ismbbkana(c);
780 /* Japanese/Katakana, CP 932 */
781 return (c >= 0x8340 && c <= 0x8396 && c != 0x837f);
782 }
783 return 0;
784}
785
786/*********************************************************************
787 * _ismbblead(MSVCRT.@)
788 */
789int _ismbblead(unsigned int c)
790{
791 /* FIXME: should reference MSVCRT_mbctype */
792 return MSVCRT___mb_cur_max > 1 && MSVCRT_isleadbyte(c);
793}
794
795
796/*********************************************************************
797 * _ismbbtrail(MSVCRT.@)
798 */
799int _ismbbtrail(unsigned int c)
800{
801 /* FIXME: should reference MSVCRT_mbctype */
802 return !_ismbblead(c);
803}
804
805/*********************************************************************
806 * _ismbslead(MSVCRT.@)
807 */
808int _ismbslead(const unsigned char* start, const unsigned char* str)
809{
810 /* Lead bytes can also be trail bytes if caller messed up
811 * iterating through the string...
812 */
813 if(MSVCRT___mb_cur_max > 1)
814 {
815 while(start < str)
816 start += MSVCRT_isleadbyte(*str) ? 2 : 1;
817
818 if(start == str)
819 return MSVCRT_isleadbyte(*str);
820 }
821 return 0; /* Must have been a trail, we skipped it */
822}
823
824/*********************************************************************
825 * _ismbstrail(MSVCRT.@)
826 */
827int _ismbstrail(const unsigned char* start, const unsigned char* str)
828{
829 /* Must not be a lead, and must be preceeded by one */
830 return !_ismbslead(start, str) && MSVCRT_isleadbyte(str[-1]);
831}
832
833/*********************************************************************
834 * _mbsset(MSVCRT.@)
835 */
836unsigned char* _mbsset(unsigned char* str, unsigned int c)
837{
838 unsigned char* ret = str;
839
840 if(MSVCRT___mb_cur_max == 1 || c < 256)
841 return MSVCRT__strset(str, c); /* ASCII CP or SB char */
842
843 c &= 0xffff; /* Strip high bits */
844
845 while(str[0] && str[1])
846 {
847 *str++ = c >> 8;
848 *str++ = c & 0xff;
849 }
850 if(str[0])
851 str[0] = '\0'; /* FIXME: OK to shorten? */
852
853 return ret;
854}
855
856/*********************************************************************
857 * _mbsnbset(MSVCRT.@)
858 */
859unsigned char* _mbsnbset(unsigned char *str, unsigned int c, MSVCRT_size_t len)
860{
861 unsigned char *ret = str;
862
863 if(!len)
864 return ret;
865
866 if(MSVCRT___mb_cur_max == 1 || c < 256)
867 return _strnset(str, c, len); /* ASCII CP or SB char */
868
869 c &= 0xffff; /* Strip high bits */
870
871 while(str[0] && str[1] && (len > 1))
872 {
873 *str++ = c >> 8;
874 len--;
875 *str++ = c & 0xff;
876 len--;
877 }
878 if(len && str[0]) {
879 /* as per msdn pad with a blank character */
880 str[0] = ' ';
881 }
882
883 return ret;
884}
885
886/*********************************************************************
887 * _mbsnset(MSVCRT.@)
888 */
889unsigned char* _mbsnset(unsigned char* str, unsigned int c, MSVCRT_size_t len)
890{
891 unsigned char *ret = str;
892
893 if(!len)
894 return ret;
895
896 if(MSVCRT___mb_cur_max == 1 || c < 256)
897 return MSVCRT__strnset(str, c, len); /* ASCII CP or SB char */
898
899 c &= 0xffff; /* Strip high bits */
900
901 while(str[0] && str[1] && len--)
902 {
903 *str++ = c >> 8;
904 *str++ = c & 0xff;
905 }
906 if(len && str[0])
907 str[0] = '\0'; /* FIXME: OK to shorten? */
908
909 return ret;
910}
911
912/*********************************************************************
913 * _mbsnccnt(MSVCRT.@)
914 * 'c' is for 'character'.
915 */
916MSVCRT_size_t _mbsnccnt(const unsigned char* str, MSVCRT_size_t len)
917{
918 MSVCRT_size_t ret;
919 if(MSVCRT___mb_cur_max > 1)
920 {
921 ret=0;
922 while(*str && len-- > 0)
923 {
924 if(MSVCRT_isleadbyte(*str))
925 {
926 if (!len)
927 break;
928 len--;
929 str++;
930 }
931 str++;
932 ret++;
933 }
934 return ret;
935 }
936 ret=strlen(str);
937 return min(ret, len); /* ASCII CP */
938}
939
940/*********************************************************************
941 * _mbsnbcnt(MSVCRT.@)
942 * 'b' is for byte count.
943 */
944MSVCRT_size_t _mbsnbcnt(const unsigned char* str, MSVCRT_size_t len)
945{
946 MSVCRT_size_t ret;
947 if(MSVCRT___mb_cur_max > 1)
948 {
949 const unsigned char* xstr = str;
950 while(*xstr && len-- > 0)
951 {
952 if (MSVCRT_isleadbyte(*xstr++))
953 xstr++;
954 }
955 return xstr-str;
956 }
957 ret=strlen(str);
958 return min(ret, len); /* ASCII CP */
959}
960
961
962/*********************************************************************
963 * _mbsnbcat(MSVCRT.@)
964 */
965unsigned char* _mbsnbcat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
966{
967 if(MSVCRT___mb_cur_max > 1)
968 {
969 char *res = dst;
970 while (*dst) {
971 if (MSVCRT_isleadbyte(*dst++)) {
972 if (*dst) {
973 dst++;
974 } else {
975 /* as per msdn overwrite the lead byte in front of '\0' */
976 dst--;
977 break;
978 }
979 }
980 }
981 while (*src && len--) *dst++ = *src++;
982 *dst = '\0';
983 return res;
984 }
985 return strncat(dst, src, len); /* ASCII CP */
986}
987
988/*********************************************************************
989 * _mbsncat(MSVCRT.@)
990 */
991unsigned char* _mbsncat(unsigned char* dst, const unsigned char* src, MSVCRT_size_t len)
992{
993 if(MSVCRT___mb_cur_max > 1)
994 {
995 char *res = dst;
996 while (*dst)
997 {
998 if (MSVCRT_isleadbyte(*dst++))
999 dst++;
1000 }
1001 while (*src && len--)
1002 {
1003 *dst++ = *src;
1004 if(MSVCRT_isleadbyte(*src++))
1005 *dst++ = *src++;
1006 }
1007 *dst = '\0';
1008 return res;
1009 }
1010 return strncat(dst, src, len); /* ASCII CP */
1011}
1012
1013
1014/*********************************************************************
1015 * _mbslwr(MSVCRT.@)
1016 */
1017unsigned char* _mbslwr(unsigned char* s)
1018{
1019 if (!s)
1020 return NULL;
1021 if (MSVCRT___mb_cur_max > 1)
1022 {
1023 unsigned int c;
1024 unsigned char* p=s;
1025 while (*s)
1026 {
1027 c = _mbctolower(_mbsnextc(s));
1028 /* Note that I assume that the size of the character is unchanged */
1029 if (c > 255)
1030 {
1031 *s++=(c>>8);
1032 c=c & 0xff;
1033 }
1034 *s++=c;
1035 }
1036 return p;
1037 }
1038 return _strlwr(s);
1039}
1040
1041
1042/*********************************************************************
1043 * _mbsupr(MSVCRT.@)
1044 */
1045unsigned char* _mbsupr(unsigned char* s)
1046{
1047 if (!s)
1048 return NULL;
1049 if (MSVCRT___mb_cur_max > 1)
1050 {
1051 unsigned int c;
1052 unsigned char* p=s;
1053 while (*s)
1054 {
1055 c = _mbctoupper(_mbsnextc(s));
1056 /* Note that I assume that the size of the character is unchanged */
1057 if (c > 255)
1058 {
1059 *s++=(c>>8);
1060 c=c & 0xff;
1061 }
1062 *s++=c;
1063 }
1064 return p;
1065 }
1066 return _strupr(s);
1067}
1068
1069
1070/*********************************************************************
1071 * _mbsspn (MSVCRT.@)
1072 */
1073MSVCRT_size_t _mbsspn(const unsigned char* string, const unsigned char* set)
1074{
1075 const unsigned char *p, *q;
1076
1077 for (p = string; *p; p++)
1078 {
1079 if (MSVCRT_isleadbyte(*p))
1080 {
1081 for (q = set; *q; q++)
1082 {
1083 if (!q[1])
1084 break;
1085 if ((*p == *q) && (p[1] == q[1]))
1086 break;
1087 q++;
1088 }
1089 if (*++p == '\0')
1090 break;
1091 }
1092 else
1093 for (q = set; *q; q++)
1094 if (*p == *q)
1095 break;
1096 }
1097 return p - string;
1098}
1099
1100/*********************************************************************
1101 * _mbscspn(MSVCRT.@)
1102 */
1103MSVCRT_size_t _mbscspn(const unsigned char* str, const unsigned char* cmp)
1104{
1105 if (MSVCRT___mb_cur_max > 1)
1106 FIXME("don't handle double character case\n");
1107 return strcspn(str, cmp);
1108}
1109
1110/*********************************************************************
1111 * _mbsrev (MSVCRT.@)
1112 */
1113unsigned char* _mbsrev(unsigned char* str)
1114{
1115 int i, len = _mbslen(str);
1116 unsigned char *p, *temp=MSVCRT_malloc(len*2);
1117
1118 if(!temp)
1119 return str;
1120
1121 /* unpack multibyte string to temp buffer */
1122 p=str;
1123 for(i=0; i<len; i++)
1124 {
1125 if (MSVCRT_isleadbyte(*p))
1126 {
1127 temp[i*2]=*p++;
1128 temp[i*2+1]=*p++;
1129 }
1130 else
1131 {
1132 temp[i*2]=*p++;
1133 temp[i*2+1]=0;
1134 }
1135 }
1136
1137 /* repack it in the reverse order */
1138 p=str;
1139 for(i=len-1; i>=0; i--)
1140 {
1141 if(MSVCRT_isleadbyte(temp[i*2]))
1142 {
1143 *p++=temp[i*2];
1144 *p++=temp[i*2+1];
1145 }
1146 else
1147 {
1148 *p++=temp[i*2];
1149 }
1150 }
1151
1152 MSVCRT_free(temp);
1153
1154 return str;
1155}
1156
1157/*********************************************************************
1158 * _mbspbrk (MSVCRT.@)
1159 */
1160unsigned char* _mbspbrk(const unsigned char* str, const unsigned char* accept)
1161{
1162 const unsigned char* p;
1163
1164 while(*str)
1165 {
1166 for(p = accept; *p; p += (MSVCRT_isleadbyte(*p)?2:1) )
1167 {
1168 if (*p == *str)
1169 if( !MSVCRT_isleadbyte(*p) || ( *(p+1) == *(str+1) ) )
1170 return (unsigned char*)str;
1171 }
1172 str += (MSVCRT_isleadbyte(*str)?2:1);
1173 }
1174 return NULL;
1175}
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