2 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
3 * Copyright 2012 Garrett D'Amore <garrett@damore.org> All rights reserved.
4 * Copyright 2015 John Marino <draco@marino.st>
6 * This source code is derived from the illumos localedef command, and
7 * provided under BSD-style license terms by Nexenta Systems, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
33 * LC_CTYPE database generation routines for localedef.
40 #include <sys/types.h>
45 #include "localedef.h"
50 /* Needed for bootstrapping, _CTYPE_N not available before 1 Sep 2015 */
52 #define _CTYPE_N 0x00400000L
55 #define _ISUPPER _CTYPE_U
56 #define _ISLOWER _CTYPE_L
57 #define _ISDIGIT _CTYPE_D
58 #define _ISXDIGIT _CTYPE_X
59 #define _ISSPACE _CTYPE_S
60 #define _ISBLANK _CTYPE_B
61 #define _ISALPHA _CTYPE_A
62 #define _ISPUNCT _CTYPE_P
63 #define _ISGRAPH _CTYPE_G
64 #define _ISPRINT _CTYPE_R
65 #define _ISCNTRL _CTYPE_C
72 static avl_tree_t ctypes;
74 static wchar_t last_ctype;
76 typedef struct ctype_node {
84 typedef struct width_node {
92 ctype_compare(const void *n1, const void *n2)
94 const ctype_node_t *c1 = n1;
95 const ctype_node_t *c2 = n2;
97 return (c1->wc < c2->wc ? -1 : c1->wc > c2->wc ? 1 : 0);
103 avl_create(&ctypes, ctype_compare, sizeof (ctype_node_t),
104 offsetof(ctype_node_t, avl));
109 add_ctype_impl(ctype_node_t *ctn)
113 ctn->ctype |= (_ISUPPER | _ISALPHA | _ISGRAPH | _ISPRINT);
116 ctn->ctype |= (_ISLOWER | _ISALPHA | _ISGRAPH | _ISPRINT);
119 ctn->ctype |= (_ISALPHA | _ISGRAPH | _ISPRINT);
122 ctn->ctype |= (_ISDIGIT | _ISGRAPH | _ISPRINT | _ISXDIGIT | _E4);
125 ctn->ctype |= _ISSPACE;
128 ctn->ctype |= _ISCNTRL;
131 ctn->ctype |= (_ISGRAPH | _ISPRINT);
134 ctn->ctype |= _ISPRINT;
137 ctn->ctype |= (_ISPUNCT | _ISGRAPH | _ISPRINT);
140 ctn->ctype |= (_ISXDIGIT | _ISPRINT);
143 ctn->ctype |= (_ISBLANK | _ISSPACE);
146 ctn->ctype |= (_E1 | _ISPRINT | _ISGRAPH);
149 ctn->ctype |= (_E2 | _ISPRINT | _ISGRAPH);
152 ctn->ctype |= (_E3 | _ISPRINT | _ISGRAPH);
155 ctn->ctype |= (_E4 | _ISPRINT | _ISGRAPH);
158 ctn->ctype |= (_E5 | _ISPRINT | _ISGRAPH);
162 * We can't do anything with this. The character
163 * should already be specified as a digit or alpha.
167 errf("not a valid character class");
171 static ctype_node_t *
172 get_ctype(wchar_t wc)
179 if ((ctn = avl_find(&ctypes, &srch, &where)) == NULL) {
180 if ((ctn = calloc(1, sizeof (*ctn))) == NULL) {
181 errf("out of memory");
186 avl_insert(&ctypes, ctn, where);
196 if ((ctn = get_ctype(val)) == NULL) {
201 last_ctype = ctn->wc;
205 add_ctype_range(int end)
210 if (end < last_ctype) {
211 errf("malformed character range (%u ... %u))",
215 for (cur = last_ctype + 1; cur <= end; cur++) {
216 if ((ctn = get_ctype(cur)) == NULL) {
227 * A word about widths: if the width mask is specified, then libc
228 * unconditionally honors it. Otherwise, it assumes printable
229 * characters have width 1, and non-printable characters have width
230 * -1 (except for NULL which is special with with 0). Hence, we have
231 * no need to inject defaults here -- the "default" unset value of 0
232 * indicates that libc should use its own logic in wcwidth as described.
235 add_width(int wc, int width)
239 if ((ctn = get_ctype(wc)) == NULL) {
243 ctn->ctype &= ~(_CTYPE_SWM);
246 ctn->ctype |= _CTYPE_SW0;
249 ctn->ctype |= _CTYPE_SW1;
252 ctn->ctype |= _CTYPE_SW2;
255 ctn->ctype |= _CTYPE_SW3;
261 add_width_range(int start, int end, int width)
263 for (; start <= end; start++) {
264 add_width(start, width);
269 add_caseconv(int val, int wc)
273 ctn = get_ctype(val);
297 ctype_node_t *ctn, *last_ct, *last_lo, *last_up;
298 _FileRuneEntry *ct = NULL;
299 _FileRuneEntry *lo = NULL;
300 _FileRuneEntry *up = NULL;
303 (void) memset(&rl, 0, sizeof (rl));
308 if ((f = open_category()) == NULL)
311 (void) memcpy(rl.magic, _FILE_RUNE_MAGIC_1, 8);
312 (void) strncpy(rl.encoding, get_wide_encoding(), sizeof (rl.encoding));
315 * Initialize the identity map.
317 for (wc = 0; (unsigned)wc < _CACHED_RUNES; wc++) {
318 rl.maplower[wc] = wc;
319 rl.mapupper[wc] = wc;
322 for (ctn = avl_first(&ctypes); ctn; ctn = AVL_NEXT(&ctypes, ctn)) {
329 * POSIX requires certain portable characters have
330 * certain types. Add them if they are missing.
332 if ((wc >= 1) && (wc <= 127)) {
333 if ((wc >= 'A') && (wc <= 'Z'))
334 ctn->ctype |= _ISUPPER;
335 if ((wc >= 'a') && (wc <= 'z'))
336 ctn->ctype |= _ISLOWER;
337 if ((wc >= '0') && (wc <= '9'))
338 ctn->ctype |= _ISDIGIT;
339 if (strchr(" \f\n\r\t\v", (char)wc) != NULL)
340 ctn->ctype |= _ISSPACE;
341 if (strchr("0123456789ABCDEFabcdef", (char)wc) != NULL)
342 ctn->ctype |= _ISXDIGIT;
343 if (strchr(" \t", (char)wc))
344 ctn->ctype |= _ISBLANK;
346 ctn->ctype |= _ISPRINT;
349 * Technically these settings are only
350 * required for the C locale. However, it
351 * turns out that because of the historical
352 * version of isprint(), we need them for all
353 * locales as well. Note that these are not
354 * necessarily valid punctation characters in
355 * the current language, but ispunct() needs
356 * to return TRUE for them.
358 if (strchr("!\"'#$%&()*+,-./:;<=>?@[\\]^_`{|}~",
360 ctn->ctype |= _ISPUNCT;
364 * POSIX also requires that certain types imply
365 * others. Add any inferred types here.
367 if (ctn->ctype & (_ISUPPER |_ISLOWER))
368 ctn->ctype |= _ISALPHA;
369 if (ctn->ctype & _ISDIGIT)
370 ctn->ctype |= _ISXDIGIT;
371 if (ctn->ctype & _ISBLANK)
372 ctn->ctype |= _ISSPACE;
373 if (ctn->ctype & (_ISALPHA|_ISDIGIT|_ISXDIGIT))
374 ctn->ctype |= _ISGRAPH;
375 if (ctn->ctype & _ISGRAPH)
376 ctn->ctype |= _ISPRINT;
379 * Finally, POSIX requires that certain combinations
380 * are invalid. We don't flag this as a fatal error,
381 * but we will warn about.
383 if ((ctn->ctype & _ISALPHA) &&
384 (ctn->ctype & (_ISPUNCT|_ISDIGIT)))
386 if ((ctn->ctype & _ISPUNCT) &
387 (ctn->ctype & (_ISDIGIT|_ISALPHA|_ISXDIGIT)))
389 if ((ctn->ctype & _ISSPACE) && (ctn->ctype & _ISGRAPH))
391 if ((ctn->ctype & _ISCNTRL) & _ISPRINT)
393 if ((wc == ' ') && (ctn->ctype & (_ISPUNCT|_ISGRAPH)))
397 warn("conflicting classes for character 0x%x (%x)",
401 * Handle the lower 256 characters using the simple
402 * optimization. Note that if we have not defined the
403 * upper/lower case, then we identity map it.
405 if ((unsigned)wc < _CACHED_RUNES) {
406 rl.runetype[wc] = ctn->ctype;
408 rl.maplower[wc] = ctn->tolower;
410 rl.mapupper[wc] = ctn->toupper;
414 if ((last_ct != NULL) && (last_ct->ctype == ctn->ctype)) {
415 ct[rl.runetype_ext_nranges-1].max = wc;
418 rl.runetype_ext_nranges++;
420 sizeof (*ct) * rl.runetype_ext_nranges);
421 ct[rl.runetype_ext_nranges - 1].min = wc;
422 ct[rl.runetype_ext_nranges - 1].max = wc;
423 ct[rl.runetype_ext_nranges - 1].map = ctn->ctype;
426 if (ctn->tolower == 0) {
428 } else if ((last_lo != NULL) &&
429 (last_lo->tolower + 1 == ctn->tolower)) {
430 lo[rl.maplower_ext_nranges-1].max = wc;
433 rl.maplower_ext_nranges++;
435 sizeof (*lo) * rl.maplower_ext_nranges);
436 lo[rl.maplower_ext_nranges - 1].min = wc;
437 lo[rl.maplower_ext_nranges - 1].max = wc;
438 lo[rl.maplower_ext_nranges - 1].map = ctn->tolower;
442 if (ctn->toupper == 0) {
444 } else if ((last_up != NULL) &&
445 (last_up->toupper + 1 == ctn->toupper)) {
446 up[rl.mapupper_ext_nranges-1].max = wc;
449 rl.mapupper_ext_nranges++;
451 sizeof (*up) * rl.mapupper_ext_nranges);
452 up[rl.mapupper_ext_nranges - 1].min = wc;
453 up[rl.mapupper_ext_nranges - 1].max = wc;
454 up[rl.mapupper_ext_nranges - 1].map = ctn->toupper;
459 if ((wr_category(&rl, sizeof (rl), f) < 0) ||
460 (wr_category(ct, sizeof (*ct) * rl.runetype_ext_nranges, f) < 0) ||
461 (wr_category(lo, sizeof (*lo) * rl.maplower_ext_nranges, f) < 0) ||
462 (wr_category(up, sizeof (*up) * rl.mapupper_ext_nranges, f) < 0)) {