Bug Summary

File:modules/lc/gen/lcGenConv.c
Location:line 1417, column 2
Description:Value stored to 'inbufptr' is never read

Annotated Source Code

1/*
2 * Copyright 1992, 1993 by TOSHIBA Corp.
3 *
4 * Permission to use, copy, modify, and distribute this software and its
5 * documentation for any purpose and without fee is hereby granted, provided
6 * that the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of TOSHIBA not be used in advertising
9 * or publicity pertaining to distribution of the software without specific,
10 * written prior permission. TOSHIBA make no representations about the
11 * suitability of this software for any purpose. It is provided "as is"
12 * without express or implied warranty.
13 *
14 * TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
15 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
16 * TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
17 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
18 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
19 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
20 * SOFTWARE.
21 *
22 * Author: Katsuhisa Yano TOSHIBA Corp.
23 * mopi@osa.ilab.toshiba.co.jp
24 */
25/*
26 * (c) Copyright 1995 FUJITSU LIMITED
27 * This is source code modified by FUJITSU LIMITED under the Joint
28 * Development Agreement for the CDE/Motif PST.
29 *
30 * Modifier: Masayoshi Shimamura FUJITSU LIMITED
31 *
32 */
33/*
34 * 2000
35 * Modifier: Ivan Pascal The XFree86 Project
36 */
37
38/*
39 * A generic locale loader for all kinds of ISO-2022 based codesets.
40 * Supports: all locales.
41 * How: Provides generic converters for ISO-2022 based codesets. Extensible as
42 * far as ISO-2022 is extensible: codesets can be given by name in the
43 * stream. Overall distinction between GL (0x00..0x7f) and GR (0x80..0xff).
44 * In every chunk between escape sequences, the number of bytes per
45 * character (char_size) is constant.
46 * Platforms: all systems.
47 */
48
49#ifdef HAVE_CONFIG_H1
50#include <config.h>
51#endif
52#include "Xlibint.h"
53#include "XlcGeneric.h"
54#include <stdio.h>
55
56#if !defined(Lynx_22) && !defined(X_LOCALE)
57#define STDCVT
58#endif
59
60typedef struct _CTDataRec {
61 const char *name;
62 const char *encoding; /* Compound Text encoding */
63} CTDataRec, *CTData;
64
65static CTDataRec directionality_data[] =
66{
67 { "BEGIN_LEFT-TO-RIGHT_TEXT", "\2331]" },
68 { "BEGIN_RIGHT-TO-LEFT_TEXT", "\2332]" },
69 { "END_OF_STRING", "\233]" },
70};
71
72typedef struct _StateRec {
73 XLCd lcd;
74 /* CT state */
75 XlcCharSet charset; /* charset of current state */
76 XlcCharSet GL_charset; /* charset of initial state in GL */
77 XlcCharSet GR_charset; /* charset of initial state in GR */
78 /* MB shift state */
79 CodeSet GL_codeset;
80 CodeSet GR_codeset;
81} StateRec, *State;
82
83#define GR0x80 0x80 /* begins right-side (non-ascii) region */
84#define GL0x7f 0x7f /* ends left-side (ascii) region */
85#define ESC0x1b 0x1b
86#define CSI0x9b 0x9b
87#define STX0x02 0x02
88
89#define isrightside(c)((c) & 0x80) ((c) & GR0x80)
90#define isleftside(c)(!((c) & 0x80)) (!isrightside(c)((c) & 0x80))
91
92/* Forward declarations for local routines. */
93static int mbstocts (XlcConv conv, XPointer *from, int *from_left,
94 XPointer *to, int *to_left, XPointer *args, int num_args);
95static int ctstombs (XlcConv conv, XPointer *from, int *from_left,
96 XPointer *to, int *to_left, XPointer *args, int num_args);
97static int cstombs (XlcConv conv, XPointer *from, int *from_left,
98 XPointer *to, int *to_left, XPointer *args, int num_args);
99
100/* ------------------------------------------------------------------------- */
101/* Misc */
102/* ------------------------------------------------------------------------- */
103
104static int
105compare(
106 const char *src,
107 const char *encoding,
108 int length)
109{
110 const char *start = src;
111
112 while (length-- > 0) {
113 if (*src++ != *encoding++)
114 return 0;
115 if (*encoding == '\0')
116 return src - start;
117 }
118
119 return 0;
120}
121
122static unsigned long
123conv_to_dest(
124 Conversion conv,
125 unsigned long code)
126{
127 int i;
128 int conv_num = conv->conv_num;
129 FontScope convlist = conv->convlist;
130
131 for (i = 0; i < conv_num; i++) {
132 if (convlist[i].start <= code && code <= convlist[i].end) {
133 switch (convlist[i].shift_direction) {
134 case '+':
135 return(code + convlist[i].shift);
136 case '-':
137 return(code - convlist[i].shift);
138 default:
139 return(code);
140 }
141 }
142 }
143
144 return(code);
145}
146
147static unsigned long
148conv_to_source(
149 Conversion conv,
150 unsigned long code)
151{
152 int i;
153 int conv_num;
154 FontScope convlist;
155 unsigned long start_p;
156 unsigned long start_m;
157 unsigned long end_p;
158 unsigned long end_m;
159
160 if (!conv)
161 return(code);
162
163 conv_num = conv->conv_num;
164 convlist = conv->convlist;
165
166 for (i = 0; i < conv_num; i++) {
167 switch (convlist[i].shift_direction) {
168 case '+':
169 start_p = convlist[i].start + convlist[i].shift;
170 end_p = convlist[i].end + convlist[i].shift;
171 if (start_p <= code && code <= end_p)
172 return(code - convlist[i].shift);
173 break;
174 case '-':
175 start_m = convlist[i].start - convlist[i].shift;
176 end_m = convlist[i].end - convlist[i].shift;
177 if (start_m <= code && code <= end_m)
178 return(code + convlist[i].shift);
179 break;
180 default:
181 continue;
182 }
183 }
184
185 return(code);
186}
187
188static unsigned long
189mb_to_gi(
190 unsigned long mb,
191 CodeSet codeset)
192{
193 int i;
194 unsigned long mb_tmp, mask = 0;
195
196 if (codeset->mbconv) {
197 mb_tmp = conv_to_dest(codeset->mbconv, mb);
198 if (mb_tmp != mb)
199 return(mb_tmp);
200 }
201
202 if (codeset->side == XlcC0 || codeset->side == XlcGL ||
203 codeset->side == XlcC1 || codeset->side == XlcGR) {
204
205 for (i = 0; i < codeset->length; i++)
206 mask = (mask << 8) | GL0x7f;
207 mb = mb & mask;
208 }
209
210 return(mb);
211}
212
213static unsigned long
214gi_to_mb(
215 unsigned long glyph_index,
216 CodeSet codeset)
217{
218 int i;
219 unsigned long mask = 0;
220
221 if (codeset->side == XlcC1 || codeset->side == XlcGR) {
222 for (i = 0; i < codeset->length; i++)
223 mask = (mask << 8) | GR0x80;
224 glyph_index = glyph_index | mask;
225 }
226
227 if (codeset->mbconv)
228 return( conv_to_source(codeset->mbconv, glyph_index) );
229
230 return(glyph_index);
231}
232
233static Boolint
234gi_to_wc(
235 XLCd lcd,
236 unsigned long glyph_index,
237 CodeSet codeset,
238 wchar_t *wc)
239{
240 unsigned char mask = 0;
241 unsigned long wc_encoding = codeset->wc_encoding;
242 int length = codeset->length;
243 unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits)(((XLCdGeneric) lcd->core)->gen.wc_shift_bits);
244
245 mask = (1 << wc_shift_bits) - 1 ;
246
247 for (*wc = 0, length--; length >= 0; length--)
248 *wc = (*wc << wc_shift_bits) | ((glyph_index >> (length * 8 )) & mask);
249
250 *wc = *wc | wc_encoding;
251
252 return(True1);
253}
254
255static Boolint
256wc_to_gi(
257 XLCd lcd,
258 wchar_t wc,
259 unsigned long *glyph_index,
260 CodeSet *codeset)
261{
262 int i;
263 unsigned char mask = 0;
264 unsigned long wc_encoding;
265 unsigned long wc_encode_mask = XLC_GENERIC(lcd, wc_encode_mask)(((XLCdGeneric) lcd->core)->gen.wc_encode_mask);
266 unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits)(((XLCdGeneric) lcd->core)->gen.wc_shift_bits);
267 int codeset_num = XLC_GENERIC(lcd, codeset_num)(((XLCdGeneric) lcd->core)->gen.codeset_num);
268 CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list)(((XLCdGeneric) lcd->core)->gen.codeset_list);
269
270 wc_encoding = wc & wc_encode_mask;
271 for (*codeset = NULL((void*)0), i = 0; i < codeset_num; i++) {
272 if (wc_encoding == codeset_list[i]->wc_encoding) {
273 *codeset = codeset_list[i];
274 break;
275 }
276 }
277 if (*codeset == NULL((void*)0))
278 return(False0);
279
280 mask = (1 << wc_shift_bits) - 1 ;
281
282 wc = wc & ~wc_encode_mask;
283 for (*glyph_index = 0, i = (*codeset)->length - 1; i >= 0; i--)
284 *glyph_index = (*glyph_index << 8) |
285 ( ((unsigned long)wc >> (i * wc_shift_bits)) & mask );
286
287 return(True1);
288}
289
290static CodeSet
291mb_parse_codeset(
292 State state,
293 int num,
294 const char **inbufptr,
295 int *from_left)
296{
297 int len;
298 int from_len = (*from_left) + 1;
299 const char *src = (*inbufptr) - 1;
300 ParseInfo *mb_parse_list = XLC_GENERIC(state->lcd, mb_parse_list)(((XLCdGeneric) state->lcd->core)->gen.mb_parse_list
);
301 ParseInfo parse_info;
302 CodeSet codeset;
303
304 for (--num ; (parse_info = mb_parse_list[num]) != NULL((void*)0); num++) {
305 len = compare(src, parse_info->encoding, from_len);
306 if (len > 0) {
307 codeset = parse_info->codeset;
308 if (parse_info->type == E_LSL)
309 state->GL_codeset = codeset;
310 else if (parse_info->type == E_LSR)
311 state->GR_codeset = codeset;
312 --len;
313 *inbufptr += len;
314 *from_left -= len;
315 return codeset;
316 }
317 }
318 return (CodeSet) NULL((void*)0);
319}
320
321static CodeSet
322byteM_parse_codeset(
323 XLCd lcd,
324 const char *inbufptr)
325{
326 unsigned char ch;
327 CodeSet codeset;
328 ByteInfoList byteM;
329 ByteInfoListRec byteM_rec;
330 ByteInfo byteinfo;
331 ByteInfoRec byteinfo_rec;
332 Boolint hit = False0;
333 int i, j, k;
334
335 int codeset_num = XLC_GENERIC(lcd, codeset_num)(((XLCdGeneric) lcd->core)->gen.codeset_num);
336 CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list)(((XLCdGeneric) lcd->core)->gen.codeset_list);
337
338 for (i = 0; i < codeset_num; i++) {
339 codeset = codeset_list[i];
340 byteM = codeset->byteM;
341 if (codeset->side != XlcNONE || byteM == NULL((void*)0))
342 continue;
343
344 for (j = 0; j < codeset->length; j++) {
345 ch = *((unsigned char *)(inbufptr + j));
346 byteM_rec = byteM[j];
347 byteinfo = byteM_rec.byteinfo;
348
349 for (hit = False0, k = 0; k < byteM_rec.byteinfo_num; k++) {
350 byteinfo_rec = byteinfo[k];
351 if (byteinfo_rec.start <= ch && ch <= byteinfo_rec.end) {
352 hit = True1;
353 break;
354 }
355 }
356
357 if (!hit)
358 break;
359 }
360
361 if (hit)
362 return(codeset);
363 }
364
365 return(NULL((void*)0));
366}
367
368#define GLGR_parse_codeset(ch)(((ch) & 0x80) ? (state->GR_codeset) : (state->GL_codeset
) ) \
369 (isrightside(ch)((ch) & 0x80) ? (state->GR_codeset) : \
370 (state->GL_codeset) )
371
372static XlcCharSet
373gi_parse_charset(
374 unsigned long glyph_index,
375 CodeSet codeset)
376{
377 int i;
378 XlcCharSet *charset_list = codeset->charset_list;
379 int num_charsets = codeset->num_charsets;
380 ExtdSegment ctextseg = codeset->ctextseg;
381 XlcCharSet charset = NULL((void*)0);
382 int area_num;
383 FontScope area;
384
385 /* lockup ct sequence */
386 for (i = 0; i < num_charsets; i++) {
387 charset = charset_list[i];
388 if (*charset->ct_sequence != '\0')
389 break;
390 }
391 if (i >= num_charsets)
392 return(NULL((void*)0));
393
394 if (charset->source != CSsrcStd)
395 return (charset);
396
397 if (!ctextseg)
398 return(charset);
399
400 area = ctextseg->area;
401 area_num = ctextseg->area_num;
402
403 for (i = 0; i < area_num; i++) {
404
405 if (area[i].start <= glyph_index && glyph_index <= area[i].end) {
406
407 charset = ctextseg->charset;
408
409 if (*charset->ct_sequence == '\0')
410 return(NULL((void*)0));
411
412 break;
413 }
414 }
415
416 return(charset);
417}
418
419static Boolint
420ct_parse_csi(
421 const char *inbufptr,
422 int *ctr_seq_len)
423{
424 int i;
425 int num = sizeof(directionality_data) / sizeof(directionality_data[0]);
426
427 for (i = 0; i < num; i++) {
428 if ( !(*ctr_seq_len = strlen(directionality_data[i].encoding)) )
429 continue;
430
431 if ( strncmp(inbufptr, directionality_data[i].encoding,
432 *ctr_seq_len) == 0)
433 return(True1);
434 }
435
436 return(False0);
437}
438
439static int
440cmp_esc_sequence(
441 const char *inbufptr,
442 XlcCharSet charset)
443{
444 int seq_len, name_len, total_len;
445 unsigned char byte_m, byte_l;
446 const char *ct_sequence = charset->ct_sequence;
447 const char *encoding_name = charset->encoding_name;
448
449 /* check esc sequence */
450 if ( !(seq_len = strlen(ct_sequence) ) )
451 return(0);
452 if ( strncmp(inbufptr, ct_sequence, seq_len) != 0)
453 return(0);
454
455 /* Standard Character Set Encoding ? */
456 if (charset->source == CSsrcStd)
457 return(seq_len);
458
459 /*
460 * Non-Standard Character Set Encoding
461 *
462 * +--- ---+-----+-----+-----+---- ----+-----+-----+------- ------+
463 * | ctseq | M | L | encoding name | STX | contents |
464 * +--- ---+-----+-----+-----+---- ----+-----+-----+------- ------+
465 * 4bytes 1byte 1byte variable length 1byte variable length
466 * | |
467 * +----------------------------------------------+
468 * rest length = ((M - 128) * 128) + (L - 128)
469 */
470
471 /* get length of encoding name */
472 inbufptr += seq_len;
473 byte_m = *inbufptr++;
474 byte_l = *inbufptr++;
475 name_len = strlen(encoding_name);
476
477 if (((byte_m - 128) * 128 + (byte_l - 128) - 1) < name_len)
478 return(0);
479
480 if ( _XlcNCompareISOLatin1(inbufptr, encoding_name, name_len) != 0 )
481 return(0);
482
483 /* check STX (Start of Text) */
484 inbufptr = inbufptr + name_len;
485 if ( *inbufptr != STX0x02 )
486 return(0);
487
488 total_len = seq_len + name_len + 3;
489 return(total_len);
490}
491
492static Boolint
493ct_parse_charset(
494 XLCd lcd,
495 const char *inbufptr,
496 XlcCharSet *charset,
497 int *ctr_seq_len)
498{
499 int i, j;
500 ExtdSegment ctextseg;
501 int num_charsets;
502 XlcCharSet *charset_list;
503 CodeSet codeset;
504 int codeset_num = XLC_GENERIC(lcd, codeset_num)(((XLCdGeneric) lcd->core)->gen.codeset_num);
505 CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list)(((XLCdGeneric) lcd->core)->gen.codeset_list);
506 int segment_conv_num = XLC_GENERIC(lcd, segment_conv_num)(((XLCdGeneric) lcd->core)->gen.segment_conv_num);
507 SegConv segment_conv = XLC_GENERIC(lcd, segment_conv)(((XLCdGeneric) lcd->core)->gen.segment_conv);
508
509 /* get charset from XLC_XLOCALE by escape sequence */
510
511 for (i = 0; i < codeset_num; i++) {
512 codeset = codeset_list[i];
513
514 num_charsets = codeset->num_charsets;
515 charset_list = codeset->charset_list;
516 ctextseg = codeset->ctextseg;
517
518 for (j = 0; j < num_charsets; j++) {
519 *charset = charset_list[j];
520 if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
521 return(True1);
522 }
523
524 if (ctextseg) {
525 *charset = ctextseg->charset;
526 if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
527 return(True1);
528 }
529 }
530
531 /* get charset from XLC_SEGMENTCONVERSION by escape sequence */
532
533 if (!segment_conv)
534 return(False0);
535
536 for (i = 0; i < segment_conv_num; i++) {
537 *charset = segment_conv[i].source;
538 if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
539 return(True1);
540 *charset = segment_conv[i].dest;
541 if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
542 return(True1);
543 }
544
545 return(False0);
546}
547
548static Boolint
549segment_conversion(
550 XLCd lcd,
551 XlcCharSet *charset,
552 unsigned long *glyph_index)
553{
554 int i;
555 int segment_conv_num = XLC_GENERIC(lcd, segment_conv_num)(((XLCdGeneric) lcd->core)->gen.segment_conv_num);
556 SegConv segment_conv = XLC_GENERIC(lcd, segment_conv)(((XLCdGeneric) lcd->core)->gen.segment_conv);
557 FontScopeRec range;
558 ConversionRec conv_rec;
559
560 if (!segment_conv)
561 return(True1);
562
563 for (i = 0; i < segment_conv_num; i++) {
564 if (segment_conv[i].source == *charset)
565 break;
566 }
567
568 if (i >= segment_conv_num)
569 return(True1);
570
571 range = segment_conv[i].range;
572 if (*glyph_index < range.start || range.end < *glyph_index)
573 return(True1);
574
575 *charset = segment_conv[i].dest;
576 conv_rec.conv_num = segment_conv[i].conv_num;
577 conv_rec.convlist = segment_conv[i].conv;
578 *glyph_index = conv_to_dest(&conv_rec, *glyph_index);
579
580 return(True1);
581}
582
583static CodeSet
584_XlcGetCodeSetFromName(
585 XLCd lcd,
586 const char *name)
587{
588 int i, j;
589 XlcCharSet charset;
590 int num_charsets;
591 XlcCharSet *charset_list;
592 CodeSet codeset;
593
594 int codeset_num = XLC_GENERIC(lcd, codeset_num)(((XLCdGeneric) lcd->core)->gen.codeset_num);
595 CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list)(((XLCdGeneric) lcd->core)->gen.codeset_list);
596
597 for (i = 0; i < codeset_num; i++) {
598 codeset = codeset_list[i];
599
600 num_charsets = codeset->num_charsets;
601 charset_list = codeset->charset_list;
602
603 for (j = 0; j < num_charsets; j++) {
604 charset = charset_list[j];
605
606 if (!strlen(charset->name))
607 continue;
608 if ( strcmp(charset->name, name) == 0)
609 return(codeset);
610 }
611 }
612
613 return(NULL((void*)0));
614}
615
616static Boolint
617_XlcGetCodeSetFromCharSet(
618 XLCd lcd,
619 XlcCharSet charset,
620 CodeSet *codeset,
621 unsigned long *glyph_index)
622{
623 int j, num;
624 CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list)(((XLCdGeneric) lcd->core)->gen.codeset_list);
625 XlcCharSet *charset_list;
626 int codeset_num, num_charsets;
627 Conversion ctconv;
628 unsigned long glyph_index_tmp = 0;
629 ExtdSegment ctextseg;
630
631 codeset_num = XLC_GENERIC(lcd, codeset_num)(((XLCdGeneric) lcd->core)->gen.codeset_num);
632
633 for (num = 0 ; num < codeset_num; num++) {
634 *codeset = codeset_list[num];
635 ctconv = (*codeset)->ctconv;
636 ctextseg = (*codeset)->ctextseg;
637
638 num_charsets = (*codeset)->num_charsets;
639 charset_list = (*codeset)->charset_list;
640
641 glyph_index_tmp = conv_to_source(ctconv, *glyph_index);
642
643 if (charset->source == CSsrcStd) {
644
645 /* Standard Character Set Encoding */
646 if (glyph_index_tmp == *glyph_index) {
647 for (j = 0; j < num_charsets; j++) {
648 if (charset_list[j] == charset) {
649 goto end_loop;
650 }
651 }
652 }
653
654 } else {
655
656 /* Non-Standard Character Set Encoding */
657 for (j = 0; j < num_charsets; j++) {
658 if (charset_list[j] == charset) {
659 goto end_loop;
660 }
661 }
662
663 if (glyph_index_tmp != *glyph_index) {
664 if (ctextseg && ctextseg->charset == charset) {
665 goto end_loop;
666 }
667 }
668
669 }
670
671 }
672
673end_loop:
674 if (num < codeset_num) {
675 *glyph_index = glyph_index_tmp;
676 return(True1);
677 }
678
679 return(False0);
680}
681
682#define check_string_encoding(codeset)(codeset->string_encoding) (codeset->string_encoding)
683
684static void
685output_ulong_value(
686 char *outbufptr,
687 unsigned long code,
688 int length,
689 XlcSide side)
690{
691 int i;
692
693 for (i = (length - 1) * 8; i >= 0; i -= 8) {
694 *outbufptr = ( code >> i) & 0xff;
695
696 if (side == XlcC0 || side == XlcGL) {
697 *outbufptr = *outbufptr & GL0x7f;
698 } else if (side == XlcC1 || side == XlcGR) {
699 *outbufptr = *outbufptr | GR0x80;
700 }
701
702 outbufptr++;
703 }
704}
705
706/* -------------------------------------------------------------------------- */
707/* Init */
708/* -------------------------------------------------------------------------- */
709
710static XlcCharSet default_GL_charset = 0;
711static XlcCharSet default_GR_charset = 0;
712
713static void
714init_state(
715 XlcConv conv)
716{
717 State state = (State) conv->state;
718
719 /* for CT */
720 state->charset = NULL((void*)0);
721 state->GL_charset = default_GL_charset;
722 state->GR_charset = default_GR_charset;
723
724 /* for MB shift state */
725 state->GL_codeset = XLC_GENERIC(state->lcd, initial_state_GL)(((XLCdGeneric) state->lcd->core)->gen.initial_state_GL
);
726 state->GR_codeset = XLC_GENERIC(state->lcd, initial_state_GR)(((XLCdGeneric) state->lcd->core)->gen.initial_state_GR
);
727}
728
729/* -------------------------------------------------------------------------- */
730/* Convert */
731/* -------------------------------------------------------------------------- */
732
733static int
734mbstowcs_org(
735 XlcConv conv,
736 XPointer *from,
737 int *from_left,
738 XPointer *to,
739 int *to_left,
740 XPointer *args,
741 int num_args)
742{
743 State state = (State) conv->state;
744 XLCd lcd = state->lcd;
745
746 unsigned char ch;
747 unsigned long mb = 0;
748 wchar_t wc;
749
750 int length = 0, len_left = 0;
751 int unconv_num = 0;
752 int num;
753
754 CodeSet codeset = NULL((void*)0);
755
756 const char *inbufptr = *from;
757 wchar_t *outbufptr = (wchar_t *) *to;
758 int from_size = *from_left;
759
760 unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table)(((XLCdGeneric) lcd->core)->gen.mb_parse_table);
761
762 if (from == NULL((void*)0) || *from == NULL((void*)0)) {
763 _XlcResetConverter(conv);
764 return( 0 );
765 }
766
767 if (*from_left > *to_left)
768 *from_left = *to_left;
769
770 while (*from_left && *to_left) {
771
772 ch = *inbufptr++;
773 (*from_left)--;
774
775 /* null ? */
776 if (!ch) {
777 if (outbufptr) {*outbufptr++ = L'\0';}
778 (*to_left)--;
779
780 /* error check */
781 if (len_left) {
782 unconv_num += (length - len_left);
783 len_left = 0;
784 }
785
786 continue;
787 }
788
789 /* same mb char data */
790 if (len_left)
791 goto output_one_wc;
792
793 /* next mb char data for single shift ? */
794 if (mb_parse_table && (num = mb_parse_table[ch]) ) {
795 codeset = mb_parse_codeset(state, num, &inbufptr, from_left);
796 if (codeset != NULL((void*)0)) {
797 length = len_left = codeset->length;
798 mb = 0;
799 continue;
800 }
801 }
802
803 /* next mb char data for byteM ? */
804 if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))))
805 goto next_mb_char;
806
807 /* next mb char data for GL or GR side ? */
808 if ((codeset = GLGR_parse_codeset(ch)(((ch) & 0x80) ? (state->GR_codeset) : (state->GL_codeset
) )))
809 goto next_mb_char;
810
811 /* can't find codeset for the ch */
812 unconv_num++;
813 continue;
814
815next_mb_char:
816 length = len_left = codeset->length;
817 mb = 0;
818
819output_one_wc:
820 mb = (mb << 8) | ch; /* 1 byte left shift */
821 len_left--;
822
823 /* last of one mb char data */
824 if (!len_left) {
825 gi_to_wc(lcd, mb_to_gi(mb, codeset), codeset, &wc);
826 if (outbufptr) {*outbufptr++ = wc;}
827 (*to_left)--;
828 }
829
830 } /* end of while */
831
832 /* error check on last char */
833 if (len_left) {
834 inbufptr -= (length - len_left);
835 (*from_left) += (length - len_left);
836 unconv_num += (length - len_left);
837 }
838
839 *from = (XPointer) ((const char *) *from + from_size);
840 *from_left = 0;
841 *to = (XPointer) outbufptr;
842
843 return unconv_num;
844}
845
846static int
847stdc_mbstowcs(
848 XlcConv conv,
849 XPointer *from,
850 int *from_left,
851 XPointer *to,
852 int *to_left,
853 XPointer *args,
854 int num_args)
855{
856 const char *src = *((const char **) from);
857 wchar_t *dst = *((wchar_t **) to);
858 int src_left = *from_left;
859 int dst_left = *to_left;
860 int length, unconv_num = 0;
861
862 while (src_left > 0 && dst_left > 0) {
863 length = mbtowc(dst, src, src_left);
864
865 if (length > 0) {
866 src += length;
867 src_left -= length;
868 if (dst)
869 dst++;
870 dst_left--;
871 } else if (length < 0) {
872 src++;
873 src_left--;
874 unconv_num++;
875 } else {
876 /* null ? */
877 src++;
878 src_left--;
879 if (dst)
880 *dst++ = L'\0';
881 dst_left--;
882 }
883 }
884
885 *from = (XPointer) src;
886 if (dst)
887 *to = (XPointer) dst;
888 *from_left = src_left;
889 *to_left = dst_left;
890
891 return unconv_num;
892}
893
894static int
895wcstombs_org(
896 XlcConv conv,
897 XPointer *from,
898 int *from_left,
899 XPointer *to,
900 int *to_left,
901 XPointer *args,
902 int num_args)
903{
904 State state = (State) conv->state;
905 XLCd lcd = state->lcd;
906
907 char *encoding;
908 unsigned long mb, glyph_index;
909 wchar_t wc;
910
911 int length;
912 int unconv_num = 0;
913
914 CodeSet codeset;
915
916 const wchar_t *inbufptr = (const wchar_t *) *from;
917 char *outbufptr = *to;
918 int from_size = *from_left;
919
920 const char *default_string = XLC_PUBLIC(lcd, default_string)(((XLCdPublic) lcd->core)->pub.default_string);
921 int defstr_len = strlen(default_string);
922
923
924 if (*from_left > *to_left)
925 *from_left = *to_left;
926
927 while (*from_left && *to_left) {
928
929 wc = *inbufptr++;
930 (*from_left)--;
931
932 /* null ? */
933 if (!wc) {
934 if (outbufptr) {*outbufptr++ = '\0';}
935 (*to_left)--;
936
937 continue;
938 }
939
940 /* convert */
941 if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
942
943 /* output default_string of XDefaultString() */
944 if (*to_left < defstr_len)
945 break;
946 if (outbufptr) {
947 strncpy((char *)outbufptr, default_string, defstr_len);
948 outbufptr += defstr_len;
949 }
950 (*to_left) -= defstr_len;
951
952 unconv_num++;
953
954 } else {
955 mb = gi_to_mb(glyph_index, codeset);
956 if (codeset->parse_info) {
957 Boolint need_shift = False0;
958 switch (codeset->parse_info->type) {
959 case E_LSL :
960 if (codeset != state->GL_codeset) {
961 need_shift = True1;
962 state->GL_codeset = codeset;
963 }
964 break;
965 case E_LSR :
966 if (codeset != state->GR_codeset) {
967 need_shift = True1;
968 state->GR_codeset = codeset;
969 }
970 break;
971 /* case E_SS */
972 default:
973 need_shift = True1;
974 }
975
976 /* output shift sequence */
977 if (need_shift) {
978 encoding = codeset->parse_info->encoding;
979 length = strlen(encoding);
980 if (*to_left < length)
981 break;
982 if (outbufptr) {
983 strncpy((char *)outbufptr, encoding, length);
984 outbufptr += length;
985 }
986 (*to_left) -= length;
987 }
988 }
989
990 /* output characters */
991 length = codeset->length;
992 if (*to_left < length)
993 break;
994
995 if (outbufptr) {
996 output_ulong_value(outbufptr, mb, length, XlcNONE);
997 outbufptr += length;
998 }
999
1000 (*to_left) -= length;
1001 }
1002
1003 } /* end of while */
1004
1005 *from = (XPointer) ((const wchar_t *) *from + from_size);
1006 *from_left = 0;
1007 *to = (XPointer) outbufptr;
1008
1009 return unconv_num;
1010}
1011
1012static int
1013stdc_wcstombs(
1014 XlcConv conv,
1015 XPointer *from,
1016 int *from_left,
1017 XPointer *to,
1018 int *to_left,
1019 XPointer *args,
1020 int num_args)
1021{
1022 const wchar_t *src = *((const wchar_t **) from);
1023 char *dst = *((char **) to);
1024 int src_left = *from_left;
1025 int dst_left = *to_left;
1026 int length, unconv_num = 0;
1027
1028 while (src_left > 0 && dst_left >= MB_CUR_MAX(__ctype_get_mb_cur_max ())) {
1029 length = wctomb(dst, *src); /* XXX */
1030
1031 if (length > 0) {
1032 src++;
1033 src_left--;
1034 if (dst)
1035 dst += length;
1036 dst_left -= length;
1037 } else if (length < 0) {
1038 src++;
1039 src_left--;
1040 unconv_num++;
1041 }
1042 }
1043
1044 *from = (XPointer) src;
1045 if (dst)
1046 *to = (XPointer) dst;
1047 *from_left = src_left;
1048 *to_left = dst_left;
1049
1050 return unconv_num;
1051}
1052
1053static int
1054wcstocts(
1055 XlcConv conv,
1056 XPointer *from,
1057 int *from_left,
1058 XPointer *to,
1059 int *to_left,
1060 XPointer *args,
1061 int num_args)
1062{
1063 State state = (State) conv->state;
1064 XLCd lcd = state->lcd;
1065
1066 unsigned long glyph_index;
1067 wchar_t wc;
1068
1069 int total_len, seq_len, name_len;
1070 int unconv_num = 0;
1071 Boolint first_flag = True1, standard_flag;
1072 XlcSide side;
1073
1074 CodeSet codeset;
1075 XlcCharSet charset, old_charset = NULL((void*)0);
1076 const char *ct_sequence;
1077
1078 const wchar_t *inbufptr = (const wchar_t *) *from;
1079 char *outbufptr = *to;
1080 int from_size = *from_left;
1081 char *ext_seg_len = NULL((void*)0);
1082
1083 if (*from_left > *to_left)
1084 *from_left = *to_left;
1085
1086 while (*from_left && *to_left) {
1087
1088 wc = *inbufptr++;
1089 (*from_left)--;
1090
1091 /* null ? */
1092 if (!wc) {
1093 if (outbufptr) {*outbufptr++ = '\0';}
1094 (*to_left)--;
1095
1096 continue;
1097 }
1098
1099 /* convert */
1100 if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
1101 unconv_num++;
1102 continue;
1103 }
1104
1105 /* parse charset */
1106 if ( !(charset = gi_parse_charset(glyph_index, codeset)) ) {
1107 unconv_num++;
1108 continue;
1109 }
1110
1111 /* Standard Character Set Encoding ? */
1112 standard_flag = charset->source == CSsrcStd ? True1 : False0;
1113
1114 /*
1115 * Non-Standard Character Set Encoding
1116 *
1117 * +-----+-----+-----+-----+-----+-----+-----+---- ----+-----+-----+
1118 * | esc sequence | M | L | encoding name | STX |
1119 * +-----+-----+-----+-----+-----+-----+-----+---- ----+-----+-----+
1120 * 4bytes 1byte 1byte variable length 1byte
1121 * | |
1122 * +-----------------------------------------+
1123 * name length = ((M - 128) * 128) + (L - 128)
1124 */
1125
1126 /* make encoding data */
1127 ct_sequence = charset->ct_sequence;
1128 side = charset->side;
1129 seq_len = strlen(ct_sequence);
1130 if (standard_flag) {
1131 name_len = 0;
1132 total_len = seq_len;
1133 } else {
1134 name_len = strlen(charset->encoding_name) + 1;
1135 total_len = seq_len + name_len + 2;
1136 }
1137
1138 /* output escape sequence of CT */
1139 if ( (charset != old_charset) &&
1140 !(first_flag && charset->string_encoding) ){
1141
1142 if ( (ext_seg_len != NULL((void*)0)) && outbufptr) {
1143 int i = (outbufptr - ext_seg_len) - 2;
1144 *ext_seg_len++ = i / 128 + 128;
1145 *ext_seg_len = i % 128 + 128;
1146 ext_seg_len = NULL((void*)0);
1147 }
1148
1149 if (*to_left < total_len + 1) {
1150 unconv_num++;
1151 break;
1152 }
1153
1154 if (outbufptr) {
1155 strcpy((char *)outbufptr, ct_sequence);
1156 outbufptr += seq_len;
1157
1158 if (!standard_flag) {
1159 const char *i = charset->encoding_name;
1160 ext_seg_len = outbufptr;
1161 outbufptr += 2;
1162 for (; *i ; i++)
1163 *outbufptr++ = ((*i >= 'A') && (*i <= 'Z')) ?
1164 *i - 'A' + 'a' : *i;
1165 *outbufptr++ = STX0x02;
1166 }
1167 }
1168
1169 (*to_left) -= total_len;
1170
1171 first_flag = False0;
1172 old_charset = charset;
1173 }
1174
1175 /* output glyph index */
1176 if (codeset->ctconv)
1177 glyph_index = conv_to_dest(codeset->ctconv, glyph_index);
1178 if (*to_left < charset->char_size) {
1179 unconv_num++;
1180 break;
1181 }
1182
1183 if (outbufptr) {
1184 output_ulong_value(outbufptr, glyph_index, charset->char_size, side);
1185 outbufptr += charset->char_size;
1186 }
1187
1188 (*to_left) -= charset->char_size;
1189
1190 } /* end of while */
1191
1192 if ( (ext_seg_len != NULL((void*)0)) && outbufptr) {
1193 int i = (outbufptr - ext_seg_len) - 2;
1194 *ext_seg_len++ = i / 128 + 128;
1195 *ext_seg_len = i % 128 + 128;
1196 }
1197
1198 *from = (XPointer) ((const wchar_t *) *from + from_size);
1199 *from_left = 0;
1200 *to = (XPointer) outbufptr;
1201
1202 return unconv_num;
1203}
1204
1205static int
1206stdc_wcstocts(
1207 XlcConv conv,
1208 XPointer *from,
1209 int *from_left,
1210 XPointer *to,
1211 int *to_left,
1212 XPointer *args,
1213 int num_args)
1214{
1215 XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX)malloc((((*from_left) * (__ctype_get_mb_cur_max ())) == 0 ? 1
: ((*from_left) * (__ctype_get_mb_cur_max ()))));
1216 char *buf_ptr1 = buf;
1217 int buf_left1 = (*from_left) * MB_CUR_MAX(__ctype_get_mb_cur_max ());
1218 char *buf_ptr2 = buf_ptr1;
1219 int buf_left2;
1220 int unconv_num1 = 0, unconv_num2 = 0;
1221
1222 unconv_num1 = stdc_wcstombs(conv,
1223 from, from_left, &buf_ptr1, &buf_left1, args, num_args);
1224 if (unconv_num1 < 0)
1225 goto ret;
1226
1227 buf_left2 = buf_ptr1 - buf_ptr2;
1228
1229 unconv_num2 = mbstocts(conv,
1230 &buf_ptr2, &buf_left2, to, to_left, args, num_args);
1231 if (unconv_num2 < 0)
1232 goto ret;
1233
1234ret:
1235 if (buf)
1236 Xfree((char *)buf)free(((char *)buf));
1237
1238 return (unconv_num1 + unconv_num2);
1239}
1240
1241static int
1242ctstowcs(
1243 XlcConv conv,
1244 XPointer *from,
1245 int *from_left,
1246 XPointer *to,
1247 int *to_left,
1248 XPointer *args,
1249 int num_args)
1250{
1251 State state = (State) conv->state;
1252 XLCd lcd = state->lcd;
1253
1254 unsigned char ch;
1255 unsigned long glyph_index = 0;
1256 wchar_t wc;
1257
1258 int ctr_seq_len = 0, gi_len_left = 0, gi_len = 0;
1259 int unconv_num = 0;
1260
1261 CodeSet codeset = NULL((void*)0);
1262 XlcCharSet charset_tmp;
1263
1264 const char *inbufptr = *from;
1265 wchar_t *outbufptr = (wchar_t *) *to;
1266 int from_size = *from_left;
1267
1268 _XlcResetConverter(conv); /* ??? */
1269
1270 if (from == NULL((void*)0) || *from == NULL((void*)0)) {
1271 _XlcResetConverter(conv);
1272 return( 0 );
1273 }
1274
1275 if (*from_left > *to_left)
1276 *from_left = *to_left;
1277
1278 while (*from_left && *to_left) {
1279
1280 ch = *inbufptr++;
1281 (*from_left)--;
1282
1283 /* null ? */
1284 if (!ch) {
1285 if (outbufptr) {*outbufptr++ = L'\0';}
1286 (*to_left)--;
1287
1288 /* error check */
1289 if (gi_len_left) {
1290 unconv_num += (gi_len - gi_len_left);
1291 gi_len_left = 0;
1292 }
1293
1294 continue;
1295 }
1296
1297 /* same glyph_index data */
1298 if (gi_len_left)
1299 goto output_one_wc;
1300
1301 /* control sequence ? */
1302 if (ch == CSI0x9b) {
1303 if ( !ct_parse_csi(inbufptr - 1, &ctr_seq_len) )
1304 goto skip_the_seg;
1305
1306 if (*from_left + 1 < ctr_seq_len) {
1307 inbufptr--;
1308 (*from_left)++;
1309 unconv_num += *from_left;
1310 break;
1311 }
1312
1313 /* skip the control sequence */
1314 inbufptr += (ctr_seq_len - 1);
1315 *from_left -= (ctr_seq_len - 1);
1316
1317 continue;
1318 }
1319
1320 /* escape sequence ? */
1321 if (ch == ESC0x1b) {
1322 if ( !ct_parse_charset(lcd,
1323 inbufptr - 1, &state->charset, &ctr_seq_len) )
1324 goto skip_the_seg;
1325
1326 if (state->charset->side == XlcC0 ||
1327 state->charset->side == XlcGL)
1328 {
1329 state->GL_charset = state->charset;
1330 }
1331 else if (state->charset->side == XlcC1 ||
1332 state->charset->side == XlcGR)
1333 {
1334 state->GR_charset = state->charset;
1335 }
1336 else if (state->charset->side == XlcGLGR)
1337 {
1338 state->GL_charset = state->charset;
1339 state->GR_charset = state->charset;
1340 }
1341
1342 if (*from_left + 1 < ctr_seq_len) {
1343 inbufptr--;
1344 (*from_left)++;
1345 unconv_num += *from_left;
1346 break;
1347 }
1348
1349 /* skip the escape sequence */
1350 inbufptr += (ctr_seq_len - 1);
1351 *from_left -= (ctr_seq_len - 1);
1352
1353 continue;
1354 }
1355
1356 /* check current state */
1357 if (isleftside(ch)(!((ch) & 0x80)))
1358 state->charset = state->GL_charset;
1359 else
1360 state->charset = state->GR_charset;
1361
1362 gi_len = gi_len_left = state->charset->char_size;
1363 glyph_index = 0;
1364
1365output_one_wc:
1366 if (state->charset->side == XlcC1 || state->charset->side == XlcGR)
1367 glyph_index = (glyph_index << 8) | (ch & GL0x7f);
1368 else
1369 glyph_index = (glyph_index << 8) | ch;
1370
1371 gi_len_left--;
1372
1373 /* last of one glyph_index data */
1374 if (!gi_len_left) {
1375
1376 /* segment conversion */
1377 charset_tmp = state->charset;
1378 segment_conversion(lcd, &charset_tmp, &glyph_index);
1379
1380 /* get codeset */
1381 if ( !_XlcGetCodeSetFromCharSet(lcd, charset_tmp,
1382 &codeset, &glyph_index) ) {
1383 unconv_num += gi_len;
1384 continue;
1385 }
1386
1387 /* convert glyph index to wicd char */
1388 gi_to_wc(lcd, glyph_index, codeset, &wc);
1389 if (outbufptr) {*outbufptr++ = wc;}
1390 (*to_left)--;
1391 }
1392
1393 continue;
1394
1395skip_the_seg:
1396 /* skip until next escape or control sequence */
1397 while ( *from_left ) {
1398 ch = *inbufptr++;
1399 (*from_left)--;
1400 unconv_num++;
1401
1402 if (ch == ESC0x1b || ch == CSI0x9b) {
1403 inbufptr--;
1404 (*from_left)++;
1405 unconv_num--;
1406 break;
1407 }
1408 }
1409
1410 if ( !(*from_left) )
1411 break;
1412
1413 } /* end of while */
1414
1415 /* error check on last char */
1416 if (gi_len_left) {
1417 inbufptr -= (gi_len - gi_len_left);
Value stored to 'inbufptr' is never read
1418 (*from_left) += (gi_len - gi_len_left);
1419 unconv_num += (gi_len - gi_len_left);
1420 }
1421
1422 *from = (XPointer) ((const char *) *from + from_size);
1423 *from_left = 0;
1424 *to = (XPointer) outbufptr;
1425
1426 return unconv_num;
1427}
1428
1429static int
1430cstowcs(
1431 XlcConv conv,
1432 XPointer *from,
1433 int *from_left,
1434 XPointer *to,
1435 int *to_left,
1436 XPointer *args,
1437 int num_args)
1438{
1439 State state = (State) conv->state;
1440 XLCd lcd = state->lcd;
1441
1442 unsigned char ch;
1443 unsigned long glyph_index = 0;
1444 wchar_t wc;
1445 int gi_len_left = 0, gi_len = 0;
1446
1447 int unconv_num = 0;
1448
1449 CodeSet codeset = NULL((void*)0);
1450 XlcCharSet charset, charset_tmp;
1451
1452 const char *inbufptr = *from;
1453 wchar_t *outbufptr = (wchar_t *) *to;
1454 int from_size = *from_left;
1455
1456 if (from == NULL((void*)0) || *from == NULL((void*)0)) {
1457 return( 0 );
1458 }
1459
1460 charset = (XlcCharSet) args[0];
1461
1462 while (*from_left && *to_left) {
1463
1464 if (!gi_len_left) {
1465 gi_len_left = gi_len = charset->char_size;
1466 glyph_index = 0;
1467 }
1468
1469 ch = *inbufptr++;
1470 (*from_left)--;
1471
1472 /* null ? */
1473 if (!ch) {
1474 if (outbufptr) {*outbufptr++ = L'\0';}
1475 (*to_left)--;
1476
1477 /* error check */
1478 if (gi_len_left) {
1479 unconv_num += (gi_len - gi_len_left);
1480 gi_len_left = 0;
1481 }
1482 continue;
1483 }
1484
1485 if (charset->side == XlcC1 || charset->side == XlcGR)
1486 glyph_index = (glyph_index << 8) | (ch & GL0x7f);
1487 else
1488 glyph_index = (glyph_index << 8) | ch;
1489
1490 gi_len_left--;
1491
1492 /* last of one glyph_index data */
1493 if (!gi_len_left) {
1494
1495 /* segment conversion */
1496 charset_tmp = charset;
1497 segment_conversion(lcd, &charset_tmp, &glyph_index);
1498
1499 /* get codeset */
1500 if ( !_XlcGetCodeSetFromCharSet(lcd, charset_tmp,
1501 &codeset, &glyph_index) ) {
1502 unconv_num += gi_len;
1503 continue;
1504 }
1505
1506 /* convert glyph index to wicd char */
1507 gi_to_wc(lcd, glyph_index, codeset, &wc);
1508 if (outbufptr) {*outbufptr++ = wc;}
1509 (*to_left)--;
1510 }
1511
1512 } /* end of while */
1513
1514 /* error check on last char */
1515 if (gi_len_left) {
1516 inbufptr -= (gi_len - gi_len_left);
1517 (*from_left) += (gi_len - gi_len_left);
1518 unconv_num += (gi_len - gi_len_left);
1519 }
1520
1521 *from = (XPointer) ((const char *) *from + from_size);
1522 *from_left = 0;
1523 *to = (XPointer) outbufptr;
1524
1525 return unconv_num;
1526}
1527
1528static int
1529stdc_ctstowcs(
1530 XlcConv conv,
1531 XPointer *from,
1532 int *from_left,
1533 XPointer *to,
1534 int *to_left,
1535 XPointer *args,
1536 int num_args)
1537{
1538 XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX)malloc((((*from_left) * (__ctype_get_mb_cur_max ())) == 0 ? 1
: ((*from_left) * (__ctype_get_mb_cur_max ()))));
1539 char *buf_ptr1 = buf;
1540 int buf_left1 = (*from_left) * MB_CUR_MAX(__ctype_get_mb_cur_max ());
1541 char *buf_ptr2 = buf_ptr1;
1542 int buf_left2;
1543 int unconv_num1 = 0, unconv_num2 = 0;
1544
1545 unconv_num1 = ctstombs(conv,
1546 from, from_left, &buf_ptr1, &buf_left1, args, num_args);
1547 if (unconv_num1 < 0)
1548 goto ret;
1549
1550 buf_left2 = buf_ptr1 - buf_ptr2;
1551
1552 unconv_num2 = stdc_mbstowcs(conv,
1553 &buf_ptr2, &buf_left2, to, to_left, args, num_args);
1554 if (unconv_num2 < 0)
1555 goto ret;
1556
1557ret:
1558 if (buf)
1559 Xfree((char *)buf)free(((char *)buf));
1560
1561 return (unconv_num1 + unconv_num2);
1562}
1563
1564static int
1565stdc_cstowcs(
1566 XlcConv conv,
1567 XPointer *from,
1568 int *from_left,
1569 XPointer *to,
1570 int *to_left,
1571 XPointer *args,
1572 int num_args)
1573{
1574 XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX)malloc((((*from_left) * (__ctype_get_mb_cur_max ())) == 0 ? 1
: ((*from_left) * (__ctype_get_mb_cur_max ()))));
1575 char *buf_ptr1 = buf;
1576 int buf_left1 = (*from_left) * MB_CUR_MAX(__ctype_get_mb_cur_max ());
1577 char *buf_ptr2 = buf_ptr1;
1578 int buf_left2;
1579 int unconv_num1 = 0, unconv_num2 = 0;
1580
1581 unconv_num1 = cstombs(conv,
1582 from, from_left, &buf_ptr1, &buf_left1, args, num_args);
1583 if (unconv_num1 < 0)
1584 goto ret;
1585
1586 buf_left2 = buf_ptr1 - buf_ptr2;
1587
1588 unconv_num2 = stdc_mbstowcs(conv,
1589 &buf_ptr2, &buf_left2, to, to_left, args, num_args);
1590 if (unconv_num2 < 0)
1591 goto ret;
1592
1593ret:
1594 if (buf)
1595 Xfree((char *)buf)free(((char *)buf));
1596
1597 return (unconv_num1 + unconv_num2);
1598}
1599
1600static int
1601mbstocts(
1602 XlcConv conv,
1603 XPointer *from,
1604 int *from_left,
1605 XPointer *to,
1606 int *to_left,
1607 XPointer *args,
1608 int num_args)
1609{
1610 XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t))malloc((((*from_left) * sizeof(wchar_t)) == 0 ? 1 : ((*from_left
) * sizeof(wchar_t))));
1611 char *buf_ptr1 = buf;
1612 int buf_left1 = (*from_left);
1613 char *buf_ptr2 = buf_ptr1;
1614 int buf_left2;
1615 int unconv_num1 = 0, unconv_num2 = 0;
1616
1617 unconv_num1 = mbstowcs_org(conv,
1618 from, from_left, &buf_ptr1, &buf_left1, args, num_args);
1619 if (unconv_num1 < 0)
1620 goto ret;
1621
1622 buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
1623
1624 unconv_num2 += wcstocts(conv,
1625 &buf_ptr2, &buf_left2, to, to_left, args, num_args);
1626 if (unconv_num2 < 0)
1627 goto ret;
1628
1629ret:
1630 if (buf)
1631 Xfree((char *)buf)free(((char *)buf));
1632
1633 return (unconv_num1 + unconv_num2);
1634}
1635
1636static int
1637mbstostr(
1638 XlcConv conv,
1639 XPointer *from,
1640 int *from_left,
1641 XPointer *to,
1642 int *to_left,
1643 XPointer *args,
1644 int num_args)
1645{
1646 State state = (State) conv->state;
1647 XLCd lcd = state->lcd;
1648
1649 unsigned char ch;
1650 unsigned long mb = 0;
1651
1652 int length = 0, len_left = 0;
1653 int unconv_num = 0;
1654 int num;
1655
1656 CodeSet codeset = NULL((void*)0);
1657
1658 const char *inbufptr = *from;
1659 char *outbufptr = *to;
1660 int from_size = *from_left;
1661
1662 unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table)(((XLCdGeneric) lcd->core)->gen.mb_parse_table);
1663
1664 if (from == NULL((void*)0) || *from == NULL((void*)0)) {
1665 _XlcResetConverter(conv);
1666 return( 0 );
1667 }
1668
1669 if (*from_left > *to_left)
1670 *from_left = *to_left;
1671
1672 while (*from_left && *to_left) {
1673
1674 ch = *inbufptr++;
1675 (*from_left)--;
1676
1677 /* null ? */
1678 if (!ch) {
1679 if (outbufptr) {*outbufptr++ = '\0';}
1680 (*to_left)--;
1681
1682 /* error check */
1683 if (len_left) {
1684 unconv_num += (length - len_left);
1685 len_left = 0;
1686 }
1687
1688 continue;
1689 }
1690
1691 /* same mb char data */
1692 if (len_left)
1693 goto output_one_mb;
1694
1695 /* next mb char data for single shift ? */
1696 if (mb_parse_table && (num = mb_parse_table[ch]) ) {
1697 codeset = mb_parse_codeset(state, num, &inbufptr, from_left);
1698 if (codeset != NULL((void*)0)) {
1699 length = len_left = codeset->length;
1700 mb = 0;
1701 continue;
1702 }
1703 }
1704
1705 /* next char data : byteM ? */
1706 if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))))
1707 goto next_mb_char;
1708
1709 /* next char data : GL or GR side ? */
1710 if ((codeset = GLGR_parse_codeset(ch)(((ch) & 0x80) ? (state->GR_codeset) : (state->GL_codeset
) )))
1711 goto next_mb_char;
1712
1713 /* can't find codeset for the ch */
1714 unconv_num++;
1715 continue;
1716
1717next_mb_char:
1718 length = len_left = codeset->length;
1719 mb = 0;
1720
1721output_one_mb:
1722 mb = (mb << 8) | ch; /* 1 byte left shift */
1723 len_left--;
1724
1725 /* last of one mb char data */
1726 if (!len_left) {
1727 if (check_string_encoding(codeset)(codeset->string_encoding)) {
1728 if (outbufptr) {*outbufptr++ = mb & 0xff;}
1729 (*to_left)--;
1730 } else {
1731 unconv_num++;
1732 }
1733 }
1734
1735 } /* end of while */
1736
1737 /* error check on last char */
1738 if (len_left) {
1739 inbufptr -= (length - len_left);
1740 (*from_left) += (length - len_left);
1741 unconv_num += (length - len_left);
1742 }
1743
1744 *from = (XPointer) ((const char *) *from + from_size);
1745 *from_left = 0;
1746 *to = (XPointer) outbufptr;
1747
1748 return unconv_num;
1749}
1750
1751static int
1752mbtocs(
1753 XlcConv conv,
1754 XPointer *from,
1755 int *from_left,
1756 XPointer *to,
1757 int *to_left,
1758 XPointer *args,
1759 int num_args)
1760{
1761 State state = (State) conv->state;
1762 XLCd lcd = state->lcd;
1763
1764 unsigned char ch;
1765 unsigned long mb = 0;
1766 unsigned long glyph_index;
1767
1768 int length = 0, len_left = 0, char_len;
1769 int unconv_num = 0;
1770 int num;
1771 XlcSide side;
1772
1773 CodeSet codeset = NULL((void*)0);
1774 XlcCharSet charset = NULL((void*)0);
1775
1776 const char *inbufptr = *from;
1777 char *outbufptr = *to;
1778 int from_size = *from_left;
1779
1780 unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table)(((XLCdGeneric) lcd->core)->gen.mb_parse_table);
1781
1782 if (from == NULL((void*)0) || *from == NULL((void*)0)) {
1783 _XlcResetConverter(conv);
1784 return( 0 );
1785 }
1786
1787 while (*from_left && *to_left) {
1788
1789 ch = *inbufptr++;
1790 (*from_left)--;
1791
1792 /* null ? */
1793 if (!ch) {
1794 unconv_num = 1;
1795 if (len_left)
1796 unconv_num += (length - len_left);
1797 break;
1798 }
1799
1800 /* same mb char data */
1801 if (len_left)
1802 goto output;
1803
1804 /* next mb char data for single shift ? */
1805 if (mb_parse_table && (num = mb_parse_table[ch]) ) {
1806 codeset = mb_parse_codeset(state, num, &inbufptr, from_left);
1807 if (codeset != NULL((void*)0)) {
1808 length = len_left = codeset->length;
1809 mb = 0;
1810 continue;
1811 }
1812 }
1813
1814 /* next mb char data for byteM ? */
1815 if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))))
1816 goto next_mb_char;
1817
1818 /* next mb char data for GL or GR side ? */
1819 if ((codeset = GLGR_parse_codeset(ch)(((ch) & 0x80) ? (state->GR_codeset) : (state->GL_codeset
) )))
1820 goto next_mb_char;
1821
1822 /* can't find codeset for the ch */
1823 unconv_num = 1;
1824 break;
1825
1826next_mb_char:
1827 length = len_left = codeset->length;
1828 mb = 0;
1829
1830output:
1831 mb = (mb << 8) | ch; /* 1 byte left shift */
1832 len_left--;
1833
1834 /* last of one mb char data */
1835 if (!len_left) {
1836 glyph_index = mb_to_gi(mb, codeset);
1837 if (!(charset = gi_parse_charset(glyph_index, codeset))) {
1838 unconv_num = length;
1839 break;
1840 }
1841 char_len = charset->char_size;
1842 side = charset->side;
1843
1844 /* output glyph index */
1845 if (codeset->ctconv)
1846 glyph_index = conv_to_dest(codeset->ctconv, glyph_index);
1847 if (*to_left < char_len) {
1848 unconv_num = length;
1849 break;
1850 }
1851
1852 if (outbufptr) {
1853 output_ulong_value(outbufptr, glyph_index, char_len, side);
1854 outbufptr += char_len;
1855 }
1856
1857 (*to_left) -= char_len;
1858
1859 break;
1860 }
1861
1862 } /* end of while */
1863
1864 /* error end */
1865 if (unconv_num) {
1866 *from = (XPointer) ((const char *) *from + from_size);
1867 *from_left = 0;
1868 *to = (XPointer) outbufptr;
1869 return -1;
1870 }
1871
1872 /* normal end */
1873 *from = (XPointer) inbufptr;
1874 *to = (XPointer) outbufptr;
1875
1876 if (num_args > 0)
1877 *((XlcCharSet *) args[0]) = charset;
1878
1879 return 0;
1880}
1881
1882static int
1883mbstocs(
1884 XlcConv conv,
1885 XPointer *from,
1886 int *from_left,
1887 XPointer *to,
1888 int *to_left,
1889 XPointer *args,
1890 int num_args)
1891{
1892 int ret;
1893 XlcCharSet charset_old, charset = NULL((void*)0);
1894 XPointer tmp_args[1];
1895
1896 const char *inbufptr;
1897 int in_left;
1898 char *outbufptr;
1899 int out_left;
1900 tmp_args[0] = (XPointer) &charset;
1901
1902 ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1);
1903 charset_old = charset;
1904
1905 while ( ret == 0 && *from_left && *to_left) {
1906 inbufptr = *from;
1907 in_left = *from_left;
1908 outbufptr = *to;
1909 out_left = *to_left;
1910 ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1);
1911 if (charset_old != charset) {
1912 *from = (XPointer) inbufptr;
1913 *from_left = in_left;
1914 *to = (XPointer) outbufptr;
1915 *to_left = out_left;
1916 break;
1917 }
1918 }
1919
1920 if (num_args > 0)
1921 *((XlcCharSet *) args[0]) = charset_old;
1922
1923 /* error end */
1924 if (ret != 0)
1925 return( -1 );
1926
1927 return(0);
1928}
1929
1930static int
1931wcstostr(
1932 XlcConv conv,
1933 XPointer *from,
1934 int *from_left,
1935 XPointer *to,
1936 int *to_left,
1937 XPointer *args,
1938 int num_args)
1939{
1940 State state = (State) conv->state;
1941 XLCd lcd = state->lcd;
1942
1943 char *encoding;
1944 unsigned long mb, glyph_index;
1945 wchar_t wc;
1946
1947 int length;
1948 int unconv_num = 0;
1949
1950 CodeSet codeset;
1951
1952 const wchar_t *inbufptr = (const wchar_t *) *from;
1953 char *outbufptr = *to;
1954 int from_size = *from_left;
1955
1956 const char *default_string = XLC_PUBLIC(lcd, default_string)(((XLCdPublic) lcd->core)->pub.default_string);
1957 int defstr_len = strlen(default_string);
1958
1959
1960 if (*from_left > *to_left)
1961 *from_left = *to_left;
1962
1963 while (*from_left && *to_left) {
1964
1965 wc = *inbufptr++;
1966 (*from_left)--;
1967
1968 /* null ? */
1969 if (!wc) {
1970 if (outbufptr) {*outbufptr++ = '\0';}
1971 (*to_left)--;
1972
1973 continue;
1974 }
1975
1976 /* convert */
1977 if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
1978
1979 /* output default_string of XDefaultString() */
1980 if (*to_left < defstr_len)
1981 break;
1982 if (outbufptr) {
1983 strncpy((char *)outbufptr, default_string, defstr_len);
1984 outbufptr += defstr_len;
1985 }
1986 (*to_left) -= defstr_len;
1987
1988 unconv_num++;
1989
1990 } else {
1991 mb = gi_to_mb(glyph_index, codeset);
1992
1993 if (check_string_encoding(codeset)(codeset->string_encoding)) {
1994 if (codeset->parse_info) {
1995 Boolint need_shift = False0;
1996 switch (codeset->parse_info->type) {
1997 case E_LSL :
1998 if (codeset != state->GL_codeset) {
1999 need_shift = True1;
2000 state->GL_codeset = codeset;
2001 }
2002 break;
2003 case E_LSR :
2004 if (codeset != state->GR_codeset) {
2005 need_shift = True1;
2006 state->GR_codeset = codeset;
2007 }
2008 break;
2009 /* case E_SS */
2010 default:
2011 need_shift = True1;
2012 }
2013
2014 /* output shift sequence */
2015 if (need_shift) {
2016 encoding = codeset->parse_info->encoding;
2017 length = strlen(encoding);
2018 if (*to_left < length)
2019 break;
2020
2021 if (outbufptr) {
2022 strncpy((char *)outbufptr, encoding, length);
2023 outbufptr += length;
2024 }
2025 (*to_left) -= length;
2026 }
2027 }
2028
2029 /* output characters */
2030 length = codeset->length;
2031 if (*to_left < length)
2032 break;
2033
2034 if (outbufptr) {
2035 output_ulong_value(outbufptr, mb, length, XlcNONE);
2036 outbufptr += length;
2037 }
2038
2039 (*to_left) -= length;
2040 } else {
2041 unconv_num++;
2042 }
2043 }
2044
2045 } /* end of while */
2046
2047 *from = (XPointer) ((const wchar_t *) *from + from_size);
2048 *from_left = 0;
2049 *to = (XPointer) outbufptr;
2050
2051 return unconv_num;
2052}
2053
2054static int
2055stdc_wcstostr(
2056 XlcConv conv,
2057 XPointer *from,
2058 int *from_left,
2059 XPointer *to,
2060 int *to_left,
2061 XPointer *args,
2062 int num_args)
2063{
2064 XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX)malloc((((*from_left) * (__ctype_get_mb_cur_max ())) == 0 ? 1
: ((*from_left) * (__ctype_get_mb_cur_max ()))));
2065 char *buf_ptr1 = buf;
2066 int buf_left1 = (*from_left) * MB_CUR_MAX(__ctype_get_mb_cur_max ());
2067 char *buf_ptr2 = buf_ptr1;
2068 int buf_left2;
2069 int unconv_num1 = 0, unconv_num2 = 0;
2070
2071 unconv_num1 = stdc_wcstombs(conv,
2072 from, from_left, &buf_ptr1, &buf_left1, args, num_args);
2073 if (unconv_num1 < 0)
2074 goto ret;
2075
2076 buf_left2 = buf_ptr1 - buf_ptr2;
2077
2078 unconv_num2 = mbstostr(conv,
2079 &buf_ptr2, &buf_left2, to, to_left, args, num_args);
2080 if (unconv_num2 < 0)
2081 goto ret;
2082
2083ret:
2084 if (buf)
2085 Xfree((char *)buf)free(((char *)buf));
2086
2087 return (unconv_num1 + unconv_num2);
2088}
2089
2090static int
2091wctocs(
2092 XlcConv conv,
2093 XPointer *from,
2094 int *from_left,
2095 XPointer *to,
2096 int *to_left,
2097 XPointer *args,
2098 int num_args)
2099{
2100 State state = (State) conv->state;
2101 XLCd lcd = state->lcd;
2102
2103 wchar_t wc;
2104 unsigned long glyph_index;
2105
2106 int char_len;
2107 int unconv_num = 0;
2108 XlcSide side;
2109
2110 CodeSet codeset;
2111 XlcCharSet charset = NULL((void*)0);
2112
2113 const wchar_t *inbufptr = (const wchar_t *) *from;
2114 char *outbufptr = *to;
2115 int from_size = *from_left;
2116
2117 if (*from_left > *to_left)
2118 *from_left = *to_left;
2119
2120 if (*from_left && *to_left) {
2121
2122 wc = *inbufptr++;
2123 (*from_left)--;
2124
2125 /* null ? */
2126 if (!wc) {
2127 unconv_num = 1;
2128 goto end;
2129 }
2130
2131 /* convert */
2132 if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
2133 unconv_num = 1;
2134 goto end;
2135 }
2136
2137 if ( !(charset = gi_parse_charset(glyph_index, codeset)) ) {
2138 unconv_num = 1;
2139 goto end;
2140 }
2141 char_len = charset->char_size;
2142 side = charset->side;
2143
2144 /* output glyph index */
2145 if (codeset->ctconv)
2146 glyph_index = conv_to_dest(codeset->ctconv, glyph_index);
2147 if (*to_left < char_len) {
2148 unconv_num++;
2149 goto end;
2150 }
2151
2152 if (outbufptr) {
2153 output_ulong_value(outbufptr, glyph_index, char_len, side);
2154 outbufptr += char_len;
2155 }
2156
2157 (*to_left) -= char_len;
2158
2159 }
2160
2161end:
2162
2163 /* error end */
2164 if (unconv_num) {
2165 *from = (XPointer) ((const wchar_t *) *from + from_size);
2166 *from_left = 0;
2167 *to = (XPointer) outbufptr;
2168 return -1;
2169 }
2170
2171 /* normal end */
2172 *from = (XPointer) inbufptr;
2173 *to = (XPointer) outbufptr;
2174
2175 if (num_args > 0)
2176 *((XlcCharSet *) args[0]) = charset;
2177
2178 return 0;
2179}
2180
2181static int
2182stdc_wctocs(
2183 XlcConv conv,
2184 XPointer *from,
2185 int *from_left,
2186 XPointer *to,
2187 int *to_left,
2188 XPointer *args,
2189 int num_args)
2190{
2191 const wchar_t *src = *((const wchar_t **) from);
2192 wchar_t wch;
2193 XPointer tmp_from, save_from = *from;
2194 char tmp[32];
2195 int length, ret, src_left = *from_left;
2196 int from_size = *from_left;
2197
2198 if (src_left > 0 && *to_left > 0) {
2199 if ((wch = *src)) {
2200 length = wctomb(tmp, wch);
2201 } else {
2202 goto end;
2203 }
2204
2205 if (length < 0)
2206 goto end;
2207
2208 tmp_from = (XPointer) tmp;
2209 ret = mbtocs(conv, &tmp_from, &length, to, to_left, args, num_args);
2210 if (ret < 0)
2211 goto end;
2212
2213 src++;
2214 src_left--;
2215 }
2216
2217end:
2218 /* error end */
2219 if (save_from == (XPointer) src) {
2220 *from = (XPointer) ((const wchar_t *) *from + from_size);
2221 *from_left = 0;
2222 return -1;
2223 }
2224
2225 /* normal end */
2226 *from = (XPointer) src;
2227 *from_left = src_left;
2228
2229 return 0;
2230}
2231
2232static int
2233wcstocs(
2234 XlcConv conv,
2235 XPointer *from,
2236 int *from_left,
2237 XPointer *to,
2238 int *to_left,
2239 XPointer *args,
2240 int num_args)
2241{
2242 int ret;
2243 XlcCharSet charset_old, charset = NULL((void*)0);
2244 XPointer tmp_args[1];
2245
2246 const wchar_t *inbufptr;
2247 int in_left;
2248 XPointer outbufptr;
2249 int out_left;
2250 tmp_args[0] = (XPointer) &charset;
2251
2252 ret = wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
2253 charset_old = charset;
2254
2255 while ( ret == 0 && *from_left && *to_left) {
2256 inbufptr = (const wchar_t *) *from;
2257 in_left = *from_left;
2258 outbufptr = *to;
2259 out_left = *to_left;
2260 ret = wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
2261 if (charset_old != charset) {
2262 *from = (XPointer) inbufptr;
2263 *from_left = in_left;
2264 *to = (XPointer) outbufptr;
2265 *to_left = out_left;
2266 break;
2267 }
2268 }
2269
2270 if (num_args > 0)
2271 *((XlcCharSet *) args[0]) = charset_old;
2272
2273 /* error end */
2274 if (ret != 0)
2275 return( -1 );
2276
2277 return(0);
2278}
2279
2280#ifdef STDCVT
2281
2282static int
2283stdc_wcstocs(
2284 XlcConv conv,
2285 XPointer *from,
2286 int *from_left,
2287 XPointer *to,
2288 int *to_left,
2289 XPointer *args,
2290 int num_args)
2291{
2292 int ret;
2293 XlcCharSet charset_old, charset = NULL((void*)0);
2294 XPointer tmp_args[1];
2295
2296 const wchar_t *inbufptr;
2297 int in_left;
2298 XPointer outbufptr;
2299 int out_left;
2300 tmp_args[0] = (XPointer) &charset;
2301
2302 ret = stdc_wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
2303 charset_old = charset;
2304
2305 while ( ret == 0 && *from_left && *to_left ) {
2306 inbufptr = (const wchar_t *) *from;
2307 in_left = *from_left;
2308 outbufptr = *to;
2309 out_left = *to_left;
2310 ret = stdc_wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
2311 if (charset_old != charset) {
2312 *from = (XPointer) inbufptr;
2313 *from_left = in_left;
2314 *to = (XPointer) outbufptr;
2315 *to_left = out_left;
2316 break;
2317 }
2318 }
2319
2320 if (num_args > 0)
2321 *((XlcCharSet *) args[0]) = charset_old;
2322
2323 /* error end */
2324 if (ret != 0)
2325 return( -1 );
2326
2327 return(0);
2328}
2329
2330#endif
2331
2332static int
2333ctstombs(
2334 XlcConv conv,
2335 XPointer *from,
2336 int *from_left,
2337 XPointer *to,
2338 int *to_left,
2339 XPointer *args,
2340 int num_args)
2341{
2342 XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t))malloc((((*from_left) * sizeof(wchar_t)) == 0 ? 1 : ((*from_left
) * sizeof(wchar_t))));
2343 char *buf_ptr1 = buf;
2344 int buf_left1 = (*from_left);
2345 char *buf_ptr2 = buf_ptr1;
2346 int buf_left2;
2347 int unconv_num1 = 0, unconv_num2 = 0;
2348
2349 unconv_num1 = ctstowcs(conv,
2350 from, from_left, &buf_ptr1, &buf_left1, args, num_args);
2351 if (unconv_num1 < 0)
2352 goto ret;
2353
2354 buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
2355
2356 unconv_num2 += wcstombs_org(conv,
2357 &buf_ptr2, &buf_left2, to, to_left, args, num_args);
2358 if (unconv_num2 < 0)
2359 goto ret;
2360
2361ret:
2362 if (buf)
2363 Xfree((char *)buf)free(((char *)buf));
2364
2365 return (unconv_num1 + unconv_num2);
2366}
2367
2368static int
2369cstombs(
2370 XlcConv conv,
2371 XPointer *from,
2372 int *from_left,
2373 XPointer *to,
2374 int *to_left,
2375 XPointer *args,
2376 int num_args)
2377{
2378 XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t))malloc((((*from_left) * sizeof(wchar_t)) == 0 ? 1 : ((*from_left
) * sizeof(wchar_t))));
2379 char *buf_ptr1 = buf;
2380 int buf_left1 = (*from_left);
2381 char *buf_ptr2 = buf_ptr1;
2382 int buf_left2;
2383 int unconv_num1 = 0, unconv_num2 = 0;
2384
2385 unconv_num1 = cstowcs(conv,
2386 from, from_left, &buf_ptr1, &buf_left1, args, num_args);
2387 if (unconv_num1 < 0)
2388 goto ret;
2389
2390 buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
2391
2392 unconv_num2 += wcstombs_org(conv,
2393 &buf_ptr2, &buf_left2, to, to_left, args, num_args);
2394 if (unconv_num2 < 0)
2395 goto ret;
2396
2397ret:
2398 if (buf)
2399 Xfree((char *)buf)free(((char *)buf));
2400
2401 return (unconv_num1 + unconv_num2);
2402}
2403
2404static int
2405strtombs(
2406 XlcConv conv,
2407 XPointer *from,
2408 int *from_left,
2409 XPointer *to,
2410 int *to_left,
2411 XPointer *args,
2412 int num_args)
2413{
2414 State state = (State) conv->state;
2415 XLCd lcd = state->lcd;
2416
2417 char *encoding;
2418 unsigned long mb, glyph_index;
2419 unsigned char ch;
2420
2421 int length;
2422 int unconv_num = 0;
2423
2424 CodeSet codeset;
2425
2426 const char *inbufptr = *from;
2427 char *outbufptr = *to;
2428 int from_size = *from_left;
2429
2430 if (*from_left > *to_left)
2431 *from_left = *to_left;
2432
2433 while (*from_left && *to_left) {
2434
2435 ch = *inbufptr++;
2436 (*from_left)--;
2437
2438 /* null ? */
2439 if (!ch) {
2440 if (outbufptr) {*outbufptr++ = '\0';}
2441 (*to_left)--;
2442
2443 continue;
2444 }
2445
2446 /* convert */
2447 if (isleftside(ch)(!((ch) & 0x80))) {
2448 glyph_index = ch;
2449 codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GL");
2450 } else {
2451 glyph_index = ch & GL0x7f;
2452 codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GR");
2453 }
2454
2455 if (!codeset) {
2456 unconv_num++;
2457 continue;
2458 }
2459
2460 mb = gi_to_mb(glyph_index, codeset);
2461 if (codeset->parse_info) {
2462 Boolint need_shift = False0;
2463 switch (codeset->parse_info->type) {
2464 case E_LSL :
2465 if (codeset != state->GL_codeset) {
2466 need_shift = True1;
2467 state->GL_codeset = codeset;
2468 }
2469 break;
2470 case E_LSR :
2471 if (codeset != state->GR_codeset) {
2472 need_shift = True1;
2473 state->GR_codeset = codeset;
2474 }
2475 break;
2476 /* case E_SS */
2477 default:
2478 need_shift = True1;
2479 }
2480
2481 /* output shift sequence */
2482 if (need_shift) {
2483 encoding = codeset->parse_info->encoding;
2484 length = strlen(encoding);
2485 if (*to_left < length)
2486 break;
2487 if (outbufptr) {
2488 strncpy((char *)outbufptr, encoding, length);
2489 outbufptr += length;
2490 }
2491 (*to_left) -= length;
2492 }
2493 }
2494
2495 /* output characters */
2496 length = codeset->length;
2497 if (*to_left < length)
2498 break;
2499
2500 if (outbufptr) {
2501 output_ulong_value(outbufptr, mb, length, XlcNONE);
2502 outbufptr += length;
2503 }
2504
2505 (*to_left) -= length;
2506
2507 } /* end of while */
2508
2509 *from = (XPointer) ((const char *) *from + from_size);
2510 *from_left = 0;
2511 *to = (XPointer) outbufptr;
2512
2513 return unconv_num;
2514}
2515
2516static int
2517strtowcs(
2518 XlcConv conv,
2519 XPointer *from,
2520 int *from_left,
2521 XPointer *to,
2522 int *to_left,
2523 XPointer *args,
2524 int num_args)
2525{
2526 State state = (State) conv->state;
2527 XLCd lcd = state->lcd;
2528
2529 unsigned char ch;
2530 unsigned long glyph_index;
2531 wchar_t wc;
2532
2533 int unconv_num = 0;
2534 CodeSet codeset;
2535
2536 const char *inbufptr = *from;
2537 wchar_t *outbufptr = (wchar_t *)*to;
2538 int from_size = *from_left;
2539
2540 if (*from_left > *to_left)
2541 *from_left = *to_left;
2542
2543 while (*from_left && *to_left) {
2544
2545 ch = *inbufptr++;
2546 (*from_left)--;
2547
2548 /* null ? */
2549 if (!ch) {
2550 if (outbufptr) {*outbufptr++ = L'\0';}
2551 (*to_left)--;
2552
2553 continue;
2554 }
2555
2556 /* convert */
2557 if (isleftside(ch)(!((ch) & 0x80))) {
2558 glyph_index = ch;
2559 codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GL");
2560 } else {
2561 glyph_index = ch & GL0x7f;
2562 codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GR");
2563 }
2564
2565 if (!codeset) {
2566 unconv_num++;
2567 continue;
2568 }
2569
2570 gi_to_wc(lcd, glyph_index, codeset, &wc);
2571 if (outbufptr) {*outbufptr++ = wc;}
2572 (*to_left)--;
2573
2574 } /* end of while */
2575
2576 *from = (XPointer) ((const char *) *from + from_size);
2577 *from_left = 0;
2578 *to = (XPointer) outbufptr;
2579
2580 return unconv_num;
2581}
2582
2583static int
2584stdc_strtowcs(
2585 XlcConv conv,
2586 XPointer *from,
2587 int *from_left,
2588 XPointer *to,
2589 int *to_left,
2590 XPointer *args,
2591 int num_args)
2592{
2593 XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX)malloc((((*from_left) * (__ctype_get_mb_cur_max ())) == 0 ? 1
: ((*from_left) * (__ctype_get_mb_cur_max ()))));
2594 char *buf_ptr1 = buf;
2595 int buf_left1 = (*from_left) * MB_CUR_MAX(__ctype_get_mb_cur_max ());
2596 char *buf_ptr2 = buf_ptr1;
2597 int buf_left2;
2598 int unconv_num1 = 0, unconv_num2 = 0;
2599
2600 unconv_num1 = strtombs(conv,
2601 from, from_left, &buf_ptr1, &buf_left1, args, num_args);
2602 if (unconv_num1 < 0)
2603 goto ret;
2604
2605 buf_left2 = buf_ptr1 - buf_ptr2;
2606
2607 unconv_num2 = stdc_mbstowcs(conv,
2608 &buf_ptr2, &buf_left2, to, to_left, args, num_args);
2609 if (unconv_num2 < 0)
2610 goto ret;
2611
2612ret:
2613 if (buf)
2614 Xfree((char *)buf)free(((char *)buf));
2615
2616 return (unconv_num1 + unconv_num2);
2617}
2618
2619/* -------------------------------------------------------------------------- */
2620/* Close */
2621/* -------------------------------------------------------------------------- */
2622
2623static void
2624close_converter(
2625 XlcConv conv)
2626{
2627 if (conv->state) {
2628 Xfree((char *) conv->state)free(((char *) conv->state));
2629 }
2630
2631 if (conv->methods) {
2632 Xfree((char *) conv->methods)free(((char *) conv->methods));
2633 }
2634
2635 Xfree((char *) conv)free(((char *) conv));
2636}
2637
2638/* -------------------------------------------------------------------------- */
2639/* Open */
2640/* -------------------------------------------------------------------------- */
2641
2642static XlcConv
2643create_conv(
2644 XLCd lcd,
2645 XlcConvMethods methods)
2646{
2647 XlcConv conv;
2648 State state;
2649
2650 conv = (XlcConv) Xcalloc(1, sizeof(XlcConvRec))calloc(((1) == 0 ? 1 : (1)), (sizeof(XlcConvRec)));
2651 if (conv == NULL((void*)0))
2652 return (XlcConv) NULL((void*)0);
2653
2654 conv->methods = (XlcConvMethods) Xmalloc(sizeof(XlcConvMethodsRec))malloc(((sizeof(XlcConvMethodsRec)) == 0 ? 1 : (sizeof(XlcConvMethodsRec
))));
2655 if (conv->methods == NULL((void*)0))
2656 goto err;
2657 *conv->methods = *methods;
2658 conv->methods->reset = init_state;
2659
2660 conv->state = Xcalloc(1, sizeof(StateRec))calloc(((1) == 0 ? 1 : (1)), (sizeof(StateRec)));
2661 if (conv->state == NULL((void*)0))
2662 goto err;
2663
2664 state = (State) conv->state;
2665 state->lcd = lcd;
2666
2667 _XlcResetConverter(conv);
2668
2669 return conv;
2670
2671err:
2672 close_converter(conv);
2673
2674 return (XlcConv) NULL((void*)0);
2675}
2676
2677static XlcConvMethodsRec mbstocts_methods = {
2678 close_converter,
2679 mbstocts,
2680 NULL((void*)0)
2681};
2682
2683static XlcConv
2684open_mbstocts(
2685 XLCd from_lcd,
2686 const char *from_type,
2687 XLCd to_lcd,
2688 const char *to_type)
2689{
2690 return create_conv(from_lcd, &mbstocts_methods);
2691}
2692
2693static XlcConvMethodsRec mbstostr_methods = {
2694 close_converter,
2695 mbstostr,
2696 NULL((void*)0)
2697};
2698
2699static XlcConv
2700open_mbstostr(
2701 XLCd from_lcd,
2702 const char *from_type,
2703 XLCd to_lcd,
2704 const char *to_type)
2705{
2706 return create_conv(from_lcd, &mbstostr_methods);
2707}
2708
2709static XlcConvMethodsRec mbstocs_methods = {
2710 close_converter,
2711 mbstocs,
2712 NULL((void*)0)
2713};
2714
2715static XlcConv
2716open_mbstocs(
2717 XLCd from_lcd,
2718 const char *from_type,
2719 XLCd to_lcd,
2720 const char *to_type)
2721{
2722 return create_conv(from_lcd, &mbstocs_methods);
2723}
2724
2725static XlcConvMethodsRec mbtocs_methods = {
2726 close_converter,
2727 mbtocs,
2728 NULL((void*)0)
2729};
2730
2731static XlcConv
2732open_mbtocs(
2733 XLCd from_lcd,
2734 const char *from_type,
2735 XLCd to_lcd,
2736 const char *to_type)
2737{
2738 return create_conv(from_lcd, &mbtocs_methods);
2739}
2740
2741static XlcConvMethodsRec ctstombs_methods = {
2742 close_converter,
2743 ctstombs,
2744 NULL((void*)0)
2745};
2746
2747static XlcConv
2748open_ctstombs(
2749 XLCd from_lcd,
2750 const char *from_type,
2751 XLCd to_lcd,
2752 const char *to_type)
2753{
2754 return create_conv(from_lcd, &ctstombs_methods);
2755}
2756
2757static XlcConvMethodsRec cstombs_methods = {
2758 close_converter,
2759 cstombs,
2760 NULL((void*)0)
2761};
2762
2763static XlcConv
2764open_cstombs(
2765 XLCd from_lcd,
2766 const char *from_type,
2767 XLCd to_lcd,
2768 const char *to_type)
2769{
2770 return create_conv(from_lcd, &cstombs_methods);
2771}
2772
2773static XlcConvMethodsRec strtombs_methods = {
2774 close_converter,
2775 strtombs,
2776 NULL((void*)0)
2777};
2778
2779static XlcConv
2780open_strtombs(
2781 XLCd from_lcd,
2782 const char *from_type,
2783 XLCd to_lcd,
2784 const char *to_type)
2785{
2786 return create_conv(from_lcd, &strtombs_methods);
2787}
2788
2789#ifdef STDCVT
2790
2791static XlcConvMethodsRec stdc_mbstowcs_methods = {
2792 close_converter,
2793 stdc_mbstowcs,
2794 NULL((void*)0)
2795};
2796
2797static XlcConv
2798open_stdc_mbstowcs(
2799 XLCd from_lcd,
2800 const char *from_type,
2801 XLCd to_lcd,
2802 const char *to_type)
2803{
2804 return create_conv(from_lcd, &stdc_mbstowcs_methods);
2805}
2806
2807static XlcConvMethodsRec stdc_wcstombs_methods = {
2808 close_converter,
2809 stdc_wcstombs,
2810 NULL((void*)0)
2811};
2812
2813static XlcConv
2814open_stdc_wcstombs(
2815 XLCd from_lcd,
2816 const char *from_type,
2817 XLCd to_lcd,
2818 const char *to_type)
2819{
2820 return create_conv(from_lcd, &stdc_wcstombs_methods);
2821}
2822
2823static XlcConvMethodsRec stdc_wcstocts_methods = {
2824 close_converter,
2825 stdc_wcstocts,
2826 NULL((void*)0)
2827};
2828
2829static XlcConv
2830open_stdc_wcstocts(
2831 XLCd from_lcd,
2832 const char *from_type,
2833 XLCd to_lcd,
2834 const char *to_type)
2835{
2836 return create_conv(from_lcd, &stdc_wcstocts_methods);
2837}
2838
2839static XlcConvMethodsRec stdc_wcstostr_methods = {
2840 close_converter,
2841 stdc_wcstostr,
2842 NULL((void*)0)
2843};
2844
2845static XlcConv
2846open_stdc_wcstostr(
2847 XLCd from_lcd,
2848 const char *from_type,
2849 XLCd to_lcd,
2850 const char *to_type)
2851{
2852 return create_conv(from_lcd, &stdc_wcstostr_methods);
2853}
2854
2855static XlcConvMethodsRec stdc_wcstocs_methods = {
2856 close_converter,
2857 stdc_wcstocs,
2858 NULL((void*)0)
2859};
2860
2861static XlcConv
2862open_stdc_wcstocs(
2863 XLCd from_lcd,
2864 const char *from_type,
2865 XLCd to_lcd,
2866 const char *to_type)
2867{
2868 return create_conv(from_lcd, &stdc_wcstocs_methods);
2869}
2870
2871static XlcConvMethodsRec stdc_wctocs_methods = {
2872 close_converter,
2873 stdc_wctocs,
2874 NULL((void*)0)
2875};
2876
2877static XlcConv
2878open_stdc_wctocs(
2879 XLCd from_lcd,
2880 const char *from_type,
2881 XLCd to_lcd,
2882 const char *to_type)
2883{
2884 return create_conv(from_lcd, &stdc_wctocs_methods);
2885}
2886
2887static XlcConvMethodsRec stdc_ctstowcs_methods = {
2888 close_converter,
2889 stdc_ctstowcs,
2890 NULL((void*)0)
2891};
2892
2893static XlcConv
2894open_stdc_ctstowcs(
2895 XLCd from_lcd,
2896 const char *from_type,
2897 XLCd to_lcd,
2898 const char *to_type)
2899{
2900 return create_conv(from_lcd, &stdc_ctstowcs_methods);
2901}
2902
2903static XlcConvMethodsRec stdc_cstowcs_methods = {
2904 close_converter,
2905 stdc_cstowcs,
2906 NULL((void*)0)
2907};
2908
2909static XlcConv
2910open_stdc_cstowcs(
2911 XLCd from_lcd,
2912 const char *from_type,
2913 XLCd to_lcd,
2914 const char *to_type)
2915{
2916 return create_conv(from_lcd, &stdc_cstowcs_methods);
2917}
2918
2919static XlcConvMethodsRec stdc_strtowcs_methods = {
2920 close_converter,
2921 stdc_strtowcs,
2922 NULL((void*)0)
2923};
2924
2925static XlcConv
2926open_stdc_strtowcs(
2927 XLCd from_lcd,
2928 const char *from_type,
2929 XLCd to_lcd,
2930 const char *to_type)
2931{
2932 return create_conv(from_lcd, &stdc_strtowcs_methods);
2933}
2934
2935#endif /* STDCVT */
2936
2937static XlcConvMethodsRec mbstowcs_methods = {
2938 close_converter,
2939 mbstowcs_org,
2940 NULL((void*)0)
2941};
2942
2943static XlcConv
2944open_mbstowcs(
2945 XLCd from_lcd,
2946 const char *from_type,
2947 XLCd to_lcd,
2948 const char *to_type)
2949{
2950 return create_conv(from_lcd, &mbstowcs_methods);
2951}
2952
2953static XlcConvMethodsRec wcstombs_methods = {
2954 close_converter,
2955 wcstombs_org,
2956 NULL((void*)0)
2957};
2958
2959static XlcConv
2960open_wcstombs(
2961 XLCd from_lcd,
2962 const char *from_type,
2963 XLCd to_lcd,
2964 const char *to_type)
2965{
2966 return create_conv(from_lcd, &wcstombs_methods);
2967}
2968
2969static XlcConvMethodsRec wcstocts_methods = {
2970 close_converter,
2971 wcstocts,
2972 NULL((void*)0)
2973};
2974
2975static XlcConv
2976open_wcstocts(
2977 XLCd from_lcd,
2978 const char *from_type,
2979 XLCd to_lcd,
2980 const char *to_type)
2981{
2982 return create_conv(from_lcd, &wcstocts_methods);
2983}
2984
2985static XlcConvMethodsRec wcstostr_methods = {
2986 close_converter,
2987 wcstostr,
2988 NULL((void*)0)
2989};
2990
2991static XlcConv
2992open_wcstostr(
2993 XLCd from_lcd,
2994 const char *from_type,
2995 XLCd to_lcd,
2996 const char *to_type)
2997{
2998 return create_conv(from_lcd, &wcstostr_methods);
2999}
3000
3001static XlcConvMethodsRec wcstocs_methods = {
3002 close_converter,
3003 wcstocs,
3004 NULL((void*)0)
3005};
3006
3007static XlcConv
3008open_wcstocs(
3009 XLCd from_lcd,
3010 const char *from_type,
3011 XLCd to_lcd,
3012 const char *to_type)
3013{
3014 return create_conv(from_lcd, &wcstocs_methods);
3015}
3016
3017static XlcConvMethodsRec wctocs_methods = {
3018 close_converter,
3019 wctocs,
3020 NULL((void*)0)
3021};
3022
3023static XlcConv
3024open_wctocs(
3025 XLCd from_lcd,
3026 const char *from_type,
3027 XLCd to_lcd,
3028 const char *to_type)
3029{
3030 return create_conv(from_lcd, &wctocs_methods);
3031}
3032
3033static XlcConvMethodsRec ctstowcs_methods = {
3034 close_converter,
3035 ctstowcs,
3036 NULL((void*)0)
3037};
3038
3039static XlcConv
3040open_ctstowcs(
3041 XLCd from_lcd,
3042 const char *from_type,
3043 XLCd to_lcd,
3044 const char *to_type)
3045{
3046 return create_conv(from_lcd, &ctstowcs_methods);
3047}
3048
3049static XlcConvMethodsRec cstowcs_methods = {
3050 close_converter,
3051 cstowcs,
3052 NULL((void*)0)
3053};
3054
3055static XlcConv
3056open_cstowcs(
3057 XLCd from_lcd,
3058 const char *from_type,
3059 XLCd to_lcd,
3060 const char *to_type)
3061{
3062 return create_conv(from_lcd, &cstowcs_methods);
3063}
3064
3065static XlcConvMethodsRec strtowcs_methods = {
3066 close_converter,
3067 strtowcs,
3068 NULL((void*)0)
3069};
3070
3071static XlcConv
3072open_strtowcs(
3073 XLCd from_lcd,
3074 const char *from_type,
3075 XLCd to_lcd,
3076 const char *to_type)
3077{
3078 return create_conv(from_lcd, &strtowcs_methods);
3079}
3080
3081/* -------------------------------------------------------------------------- */
3082/* Loader */
3083/* -------------------------------------------------------------------------- */
3084
3085XLCd
3086_XlcGenericLoader(
3087 const char *name)
3088{
3089 XLCd lcd;
3090#ifdef STDCVT
3091 XLCdGenericPart *gen;
3092#endif
3093
3094 lcd = _XlcCreateLC(name, _XlcGenericMethods);
3095
3096 if (lcd == NULL((void*)0))
3097 return lcd;
3098
3099 default_GL_charset = _XlcGetCharSet("ISO8859-1:GL");
3100 default_GR_charset = _XlcGetCharSet("ISO8859-1:GR");
3101
3102 _XlcSetConverter(lcd, XlcNMultiByte"multiByte", lcd, XlcNCompoundText"compoundText", open_mbstocts);
3103 _XlcSetConverter(lcd, XlcNMultiByte"multiByte", lcd, XlcNString"string", open_mbstostr);
3104 _XlcSetConverter(lcd, XlcNMultiByte"multiByte", lcd, XlcNCharSet"charSet", open_mbstocs);
3105 _XlcSetConverter(lcd, XlcNMultiByte"multiByte", lcd, XlcNChar"char", open_mbtocs);
3106 _XlcSetConverter(lcd, XlcNCompoundText"compoundText", lcd, XlcNMultiByte"multiByte", open_ctstombs);
3107 _XlcSetConverter(lcd, XlcNString"string", lcd, XlcNMultiByte"multiByte", open_strtombs);
3108 _XlcSetConverter(lcd, XlcNCharSet"charSet", lcd, XlcNMultiByte"multiByte", open_cstombs);
3109
3110#ifdef STDCVT
3111 gen = XLC_GENERIC_PART(lcd)(&(((XLCdGeneric) lcd->core)->gen));
3112
3113 if (gen->use_stdc_env != True1) {
3114#endif
3115 _XlcSetConverter(lcd, XlcNMultiByte"multiByte", lcd, XlcNWideChar"wideChar", open_mbstowcs);
3116 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNMultiByte"multiByte", open_wcstombs);
3117 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNCompoundText"compoundText", open_wcstocts);
3118 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNString"string", open_wcstostr);
3119 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNCharSet"charSet", open_wcstocs);
3120 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNChar"char", open_wctocs);
3121 _XlcSetConverter(lcd, XlcNCompoundText"compoundText", lcd, XlcNWideChar"wideChar", open_ctstowcs);
3122 _XlcSetConverter(lcd, XlcNString"string", lcd, XlcNWideChar"wideChar", open_strtowcs);
3123 _XlcSetConverter(lcd, XlcNCharSet"charSet", lcd, XlcNWideChar"wideChar", open_cstowcs);
3124#ifdef STDCVT
3125 }
3126#endif
3127
3128#ifdef STDCVT
3129 if (gen->use_stdc_env == True1) {
3130 _XlcSetConverter(lcd, XlcNMultiByte"multiByte", lcd, XlcNWideChar"wideChar", open_stdc_mbstowcs);
3131 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNMultiByte"multiByte", open_stdc_wcstombs);
3132 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNCompoundText"compoundText", open_stdc_wcstocts);
3133 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNString"string", open_stdc_wcstostr);
3134 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNCharSet"charSet", open_stdc_wcstocs);
3135 _XlcSetConverter(lcd, XlcNWideChar"wideChar", lcd, XlcNChar"char", open_stdc_wctocs);
3136 _XlcSetConverter(lcd, XlcNCompoundText"compoundText", lcd, XlcNWideChar"wideChar", open_stdc_ctstowcs);
3137 _XlcSetConverter(lcd, XlcNString"string", lcd, XlcNWideChar"wideChar", open_stdc_strtowcs);
3138 _XlcSetConverter(lcd, XlcNCharSet"charSet", lcd, XlcNWideChar"wideChar", open_stdc_cstowcs);
3139 }
3140#endif
3141
3142 _XlcAddUtf8Converters(lcd);
3143
3144 return lcd;
3145}