2 /* $NetBSD: iconv.c,v 1.11 2009/03/03 16:22:33 explorer Exp $ */
5 * Copyright (c) 2003 Citrus Project,
6 * Copyright (c) 2009, 2010 Gabor Kovesdan <gabor@FreeBSD.org>,
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/cdefs.h>
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)
57 const char *out_slashes;
62 * Remove anything following a //, as these are options (like
63 * //ignore, //translate, etc) and we just don't handle them.
64 * This is for compatibility with software that uses these
67 out_slashes = strstr(out, "//");
68 if (out_slashes != NULL) {
69 out_noslashes = strndup(out, out_slashes - out);
70 if (out_noslashes == NULL) {
74 ret = _citrus_iconv_open(&handle, in, out_noslashes);
77 ret = _citrus_iconv_open(&handle, in, out);
81 errno = ret == ENOENT ? EINVAL : ret;
85 handle->cv_shared->ci_discard_ilseq = strcasestr(out, "//IGNORE");
86 handle->cv_shared->ci_hooks = NULL;
88 return ((iconv_t)(void *)handle);
92 __bsd_iconv_open(const char *out, const char *in)
95 return (__bsd___iconv_open(out, in, NULL));
99 __bsd_iconv_open_into(const char *out, const char *in, iconv_allocation_t *ptr)
101 struct _citrus_iconv *handle;
103 handle = (struct _citrus_iconv *)ptr;
104 return ((__bsd___iconv_open(out, in, handle) == (iconv_t)-1) ? -1 : 0);
108 __bsd_iconv_close(iconv_t handle)
111 if (ISBADF(handle)) {
116 _citrus_iconv_close((struct _citrus_iconv *)(void *)handle);
122 __bsd_iconv(iconv_t handle, const char **in, size_t *szin, char **out, size_t *szout)
127 if (ISBADF(handle)) {
132 err = _citrus_iconv_convert((struct _citrus_iconv *)(void *)handle,
133 in, szin, out, szout, 0, &ret);
143 __bsd___iconv(iconv_t handle, const char **in, size_t *szin, char **out,
144 size_t *szout, uint32_t flags, size_t *invalids)
149 if (ISBADF(handle)) {
154 err = _citrus_iconv_convert((struct _citrus_iconv *)(void *)handle,
155 in, szin, out, szout, flags, &ret);
167 __bsd___iconv_get_list(char ***rlist, size_t *rsz, bool sorted)
171 ret = _citrus_esdb_get_list(rlist, rsz, sorted);
181 __bsd___iconv_free_list(char **list, size_t sz)
184 _citrus_esdb_free_list(list, sz);
188 * GNU-compatibile non-standard interfaces.
191 qsort_helper(const void *first, const void *second)
193 const char * const *s1;
194 const char * const *s2;
198 return (strcmp(*s1, *s2));
202 __bsd_iconvlist(int (*do_one) (unsigned int, const char * const *,
205 char **list, **names;
206 const char * const *np;
207 char *curitem, *curkey, *slashpos;
213 if (__bsd___iconv_get_list(&list, &sz, true))
215 qsort((void *)list, sz, sizeof(char *), qsort_helper);
218 slashpos = strchr(list[i], '/');
219 curkey = (char *)malloc(slashpos - list[i] + 2);
220 names = (char **)malloc(sz * sizeof(char *));
221 if ((curkey == NULL) || (names == NULL)) {
222 __bsd___iconv_free_list(list, sz);
225 strlcpy(curkey, list[i], slashpos - list[i] + 1);
226 names[j++] = strdup(curkey);
227 for (; (i < sz) && (memcmp(curkey, list[i], strlen(curkey)) == 0); i++) {
228 slashpos = strchr(list[i], '/');
229 curitem = (char *)malloc(strlen(slashpos) + 1);
230 if (curitem == NULL) {
231 __bsd___iconv_free_list(list, sz);
234 strlcpy(curitem, &slashpos[1], strlen(slashpos) + 1);
235 if (strcmp(curkey, curitem) == 0) {
238 names[j++] = strdup(curitem);
240 np = (const char * const *)names;
245 __bsd___iconv_free_list(list, sz);
248 __inline const char *
249 __bsd_iconv_canonicalize(const char *name)
252 return (_citrus_iconv_canonicalize(name));
256 __bsd_iconvctl(iconv_t cd, int request, void *argument)
258 struct _citrus_iconv *cv;
259 struct iconv_hooks *hooks;
260 const char *convname;
261 char src[PATH_MAX], *dst;
264 cv = (struct _citrus_iconv *)(void *)cd;
265 hooks = (struct iconv_hooks *)argument;
275 convname = cv->cv_shared->ci_convname;
276 dst = strchr(convname, '/');
278 strlcpy(src, convname, dst - convname + 1);
280 if ((convname == NULL) || (src == NULL) || (dst == NULL))
282 *i = strcmp(src, dst) == 0 ? 1 : 0;
284 case ICONV_GET_TRANSLITERATE:
287 case ICONV_SET_TRANSLITERATE:
288 return ((*i == 1) ? 0 : -1);
289 case ICONV_GET_DISCARD_ILSEQ:
290 *i = cv->cv_shared->ci_discard_ilseq ? 1 : 0;
292 case ICONV_SET_DISCARD_ILSEQ:
293 cv->cv_shared->ci_discard_ilseq = *i;
295 case ICONV_SET_HOOKS:
296 cv->cv_shared->ci_hooks = hooks;
298 case ICONV_SET_FALLBACKS:
301 case ICONV_GET_ILSEQ_INVALID:
302 *i = cv->cv_shared->ci_ilseq_invalid ? 1 : 0;
304 case ICONV_SET_ILSEQ_INVALID:
305 cv->cv_shared->ci_ilseq_invalid = *i;
314 __bsd_iconv_set_relocation_prefix(const char *orig_prefix __unused,
315 const char *curr_prefix __unused)