1 /* $NetBSD: iconv.c,v 1.11 2009/03/03 16:22:33 explorer Exp $ */
4 * SPDX-License-Identifier: BSD-2-Clause
6 * Copyright (c) 2003 Citrus Project,
7 * Copyright (c) 2009, 2010 Gabor Kovesdan <gabor@FreeBSD.org>,
10 * Redistribution and use in source and binary forms, with or without
11 * 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * 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 AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/queue.h>
33 #include <sys/types.h>
44 #include "citrus_types.h"
45 #include "citrus_module.h"
46 #include "citrus_esdb.h"
47 #include "citrus_hash.h"
48 #include "citrus_iconv.h"
50 #include "iconv-internal.h"
52 #define ISBADF(_h_) (!(_h_) || (_h_) == (iconv_t)-1)
55 __bsd___iconv_open(const char *out, const char *in, struct _citrus_iconv *handle)
60 * Remove anything following a //, as these are options (like
61 * //ignore, //translate, etc) and we just don't handle them.
62 * This is for compatibility with software that uses these
65 ret = _citrus_iconv_open(&handle, in, out);
67 errno = ret == ENOENT ? EINVAL : ret;
71 handle->cv_shared->ci_discard_ilseq = strcasestr(out, "//IGNORE");
73 return ((iconv_t)(void *)handle);
77 __bsd_iconv_open(const char *out, const char *in)
80 return (__bsd___iconv_open(out, in, NULL));
84 __bsd_iconv_open_into(const char *out, const char *in, iconv_allocation_t *ptr)
86 struct _citrus_iconv *handle;
88 handle = (struct _citrus_iconv *)ptr;
89 return ((__bsd___iconv_open(out, in, handle) == (iconv_t)-1) ? -1 : 0);
93 __bsd_iconv_close(iconv_t handle)
101 _citrus_iconv_close((struct _citrus_iconv *)(void *)handle);
107 __bsd_iconv(iconv_t handle, char **in, size_t *szin, char **out, size_t *szout)
112 if (ISBADF(handle)) {
117 err = _citrus_iconv_convert((struct _citrus_iconv *)(void *)handle,
118 in, szin, out, szout, 0, &ret);
128 __bsd___iconv(iconv_t handle, char **in, size_t *szin, char **out,
129 size_t *szout, uint32_t flags, size_t *invalids)
134 if (ISBADF(handle)) {
139 err = _citrus_iconv_convert((struct _citrus_iconv *)(void *)handle,
140 in, szin, out, szout, flags, &ret);
152 __bsd___iconv_get_list(char ***rlist, size_t *rsz, bool sorted)
156 ret = _citrus_esdb_get_list(rlist, rsz, sorted);
166 __bsd___iconv_free_list(char **list, size_t sz)
169 _citrus_esdb_free_list(list, sz);
173 * GNU-compatibile non-standard interfaces.
176 qsort_helper(const void *first, const void *second)
178 const char * const *s1;
179 const char * const *s2;
183 return (strcmp(*s1, *s2));
187 __bsd_iconvlist(int (*do_one) (unsigned int, const char * const *,
190 char **list, **names;
191 const char * const *np;
192 char *curitem, *curkey, *slashpos;
194 unsigned int i, j, n;
199 if (__bsd___iconv_get_list(&list, &sz, true)) {
203 qsort((void *)list, sz, sizeof(char *), qsort_helper);
206 slashpos = strchr(list[i], '/');
207 names = malloc(sz * sizeof(char *));
210 curkey = strndup(list[i], slashpos - list[i]);
214 for (; (i < sz) && (memcmp(curkey, list[i], strlen(curkey)) == 0); i++) {
215 slashpos = strchr(list[i], '/');
216 if (strcmp(curkey, &slashpos[1]) == 0)
218 curitem = strdup(&slashpos[1]);
221 names[j++] = curitem;
223 np = (const char * const *)names;
225 for (n = 0; n < j; n++)
233 for (n = 0; n < j; n++)
238 __bsd___iconv_free_list(list, sz);
241 __inline const char *
242 __bsd_iconv_canonicalize(const char *name)
245 return (_citrus_iconv_canonicalize(name));
249 __bsd_iconvctl(iconv_t cd, int request, void *argument)
251 struct _citrus_iconv *cv;
252 struct iconv_hooks *hooks;
253 const char *convname;
258 cv = (struct _citrus_iconv *)(void *)cd;
259 hooks = (struct iconv_hooks *)argument;
269 convname = cv->cv_shared->ci_convname;
270 dst = strchr(convname, '/');
271 srclen = dst - convname;
273 *i = (srclen == strlen(dst)) && !memcmp(convname, dst, srclen);
275 case ICONV_GET_TRANSLITERATE:
278 case ICONV_SET_TRANSLITERATE:
279 return ((*i == 1) ? 0 : -1);
280 case ICONV_GET_DISCARD_ILSEQ:
281 *i = cv->cv_shared->ci_discard_ilseq ? 1 : 0;
283 case ICONV_SET_DISCARD_ILSEQ:
284 cv->cv_shared->ci_discard_ilseq = *i;
286 case ICONV_SET_HOOKS:
287 cv->cv_shared->ci_hooks = hooks;
289 case ICONV_SET_FALLBACKS:
292 case ICONV_GET_ILSEQ_INVALID:
293 *i = cv->cv_shared->ci_ilseq_invalid ? 1 : 0;
295 case ICONV_SET_ILSEQ_INVALID:
296 cv->cv_shared->ci_ilseq_invalid = *i;
305 __bsd_iconv_set_relocation_prefix(const char *orig_prefix __unused,
306 const char *curr_prefix __unused)