a02844e93b
a macro with parameters. Remove a __DECONST hack and add consts instead for gnu libiconv API compatability. This makes it work with things like devel/boost-libs that expects to use "iconv" as though it were a pointer.
324 lines
7.4 KiB
C
324 lines
7.4 KiB
C
/* $FreeBSD$ */
|
|
/* $NetBSD: iconv.c,v 1.11 2009/03/03 16:22:33 explorer Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2003 Citrus Project,
|
|
* Copyright (c) 2009, 2010 Gabor Kovesdan <gabor@FreeBSD.org>,
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <iconv.h>
|
|
#include <limits.h>
|
|
#include <paths.h>
|
|
#include <stdbool.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "citrus_types.h"
|
|
#include "citrus_module.h"
|
|
#include "citrus_esdb.h"
|
|
#include "citrus_hash.h"
|
|
#include "citrus_iconv.h"
|
|
|
|
__weak_reference(libiconv, iconv);
|
|
__weak_reference(libiconv_open, iconv_open);
|
|
__weak_reference(libiconv_open_into, iconv_open_into);
|
|
__weak_reference(libiconv_close, iconv_close);
|
|
__weak_reference(libiconvlist, iconvlist);
|
|
__weak_reference(libiconvctl, iconvctl);
|
|
__weak_reference(libiconv_set_relocation_prefix, iconv_set_relocation_prefix);
|
|
|
|
#define ISBADF(_h_) (!(_h_) || (_h_) == (iconv_t)-1)
|
|
|
|
int _libiconv_version = _LIBICONV_VERSION;
|
|
|
|
iconv_t _iconv_open(const char *out, const char *in,
|
|
struct _citrus_iconv *prealloc);
|
|
|
|
iconv_t
|
|
_iconv_open(const char *out, const char *in, struct _citrus_iconv *handle)
|
|
{
|
|
const char *out_slashes;
|
|
char *out_noslashes;
|
|
int ret;
|
|
|
|
/*
|
|
* Remove anything following a //, as these are options (like
|
|
* //ignore, //translate, etc) and we just don't handle them.
|
|
* This is for compatibility with software that uses these
|
|
* blindly.
|
|
*/
|
|
out_slashes = strstr(out, "//");
|
|
if (out_slashes != NULL) {
|
|
out_noslashes = strndup(out, out_slashes - out);
|
|
if (out_noslashes == NULL) {
|
|
errno = ENOMEM;
|
|
return ((iconv_t)-1);
|
|
}
|
|
ret = _citrus_iconv_open(&handle, in, out_noslashes);
|
|
free(out_noslashes);
|
|
} else {
|
|
ret = _citrus_iconv_open(&handle, in, out);
|
|
}
|
|
|
|
if (ret) {
|
|
errno = ret == ENOENT ? EINVAL : ret;
|
|
return ((iconv_t)-1);
|
|
}
|
|
|
|
handle->cv_shared->ci_discard_ilseq = strcasestr(out, "//IGNORE");
|
|
handle->cv_shared->ci_hooks = NULL;
|
|
|
|
return ((iconv_t)(void *)handle);
|
|
}
|
|
|
|
iconv_t
|
|
libiconv_open(const char *out, const char *in)
|
|
{
|
|
|
|
return (_iconv_open(out, in, NULL));
|
|
}
|
|
|
|
int
|
|
libiconv_open_into(const char *out, const char *in, iconv_allocation_t *ptr)
|
|
{
|
|
struct _citrus_iconv *handle;
|
|
|
|
handle = (struct _citrus_iconv *)ptr;
|
|
return ((_iconv_open(out, in, handle) == (iconv_t)-1) ? -1 : 0);
|
|
}
|
|
|
|
int
|
|
libiconv_close(iconv_t handle)
|
|
{
|
|
|
|
if (ISBADF(handle)) {
|
|
errno = EBADF;
|
|
return (-1);
|
|
}
|
|
|
|
_citrus_iconv_close((struct _citrus_iconv *)(void *)handle);
|
|
|
|
return (0);
|
|
}
|
|
|
|
size_t
|
|
libiconv(iconv_t handle, const char **in, size_t *szin, char **out, size_t *szout)
|
|
{
|
|
size_t ret;
|
|
int err;
|
|
|
|
if (ISBADF(handle)) {
|
|
errno = EBADF;
|
|
return ((size_t)-1);
|
|
}
|
|
|
|
err = _citrus_iconv_convert((struct _citrus_iconv *)(void *)handle,
|
|
in, szin, out, szout, 0, &ret);
|
|
if (err) {
|
|
errno = err;
|
|
ret = (size_t)-1;
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
size_t
|
|
__iconv(iconv_t handle, const char **in, size_t *szin, char **out,
|
|
size_t *szout, uint32_t flags, size_t *invalids)
|
|
{
|
|
size_t ret;
|
|
int err;
|
|
|
|
if (ISBADF(handle)) {
|
|
errno = EBADF;
|
|
return ((size_t)-1);
|
|
}
|
|
|
|
err = _citrus_iconv_convert((struct _citrus_iconv *)(void *)handle,
|
|
in, szin, out, szout, flags, &ret);
|
|
if (invalids)
|
|
*invalids = ret;
|
|
if (err) {
|
|
errno = err;
|
|
ret = (size_t)-1;
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
__iconv_get_list(char ***rlist, size_t *rsz, bool sorted)
|
|
{
|
|
int ret;
|
|
|
|
ret = _citrus_esdb_get_list(rlist, rsz, sorted);
|
|
if (ret) {
|
|
errno = ret;
|
|
return (-1);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
__iconv_free_list(char **list, size_t sz)
|
|
{
|
|
|
|
_citrus_esdb_free_list(list, sz);
|
|
}
|
|
|
|
/*
|
|
* GNU-compatibile non-standard interfaces.
|
|
*/
|
|
static int
|
|
qsort_helper(const void *first, const void *second)
|
|
{
|
|
const char * const *s1;
|
|
const char * const *s2;
|
|
|
|
s1 = first;
|
|
s2 = second;
|
|
return (strcmp(*s1, *s2));
|
|
}
|
|
|
|
void
|
|
libiconvlist(int (*do_one) (unsigned int, const char * const *,
|
|
void *), void *data)
|
|
{
|
|
char **list, **names;
|
|
const char * const *np;
|
|
char *curitem, *curkey, *slashpos;
|
|
size_t sz;
|
|
unsigned int i, j;
|
|
|
|
i = 0;
|
|
|
|
if (__iconv_get_list(&list, &sz, true))
|
|
list = NULL;
|
|
qsort((void *)list, sz, sizeof(char *), qsort_helper);
|
|
while (i < sz) {
|
|
j = 0;
|
|
slashpos = strchr(list[i], '/');
|
|
curkey = (char *)malloc(slashpos - list[i] + 2);
|
|
names = (char **)malloc(sz * sizeof(char *));
|
|
if ((curkey == NULL) || (names == NULL)) {
|
|
__iconv_free_list(list, sz);
|
|
return;
|
|
}
|
|
strlcpy(curkey, list[i], slashpos - list[i] + 1);
|
|
names[j++] = strdup(curkey);
|
|
for (; (i < sz) && (memcmp(curkey, list[i], strlen(curkey)) == 0); i++) {
|
|
slashpos = strchr(list[i], '/');
|
|
curitem = (char *)malloc(strlen(slashpos) + 1);
|
|
if (curitem == NULL) {
|
|
__iconv_free_list(list, sz);
|
|
return;
|
|
}
|
|
strlcpy(curitem, &slashpos[1], strlen(slashpos) + 1);
|
|
if (strcmp(curkey, curitem) == 0) {
|
|
continue;
|
|
}
|
|
names[j++] = strdup(curitem);
|
|
}
|
|
np = (const char * const *)names;
|
|
do_one(j, np, data);
|
|
free(names);
|
|
}
|
|
|
|
__iconv_free_list(list, sz);
|
|
}
|
|
|
|
__inline const char
|
|
*iconv_canonicalize(const char *name)
|
|
{
|
|
|
|
return (_citrus_iconv_canonicalize(name));
|
|
}
|
|
|
|
int
|
|
libiconvctl(iconv_t cd, int request, void *argument)
|
|
{
|
|
struct _citrus_iconv *cv;
|
|
struct iconv_hooks *hooks;
|
|
const char *convname;
|
|
char src[PATH_MAX], *dst;
|
|
int *i;
|
|
|
|
cv = (struct _citrus_iconv *)(void *)cd;
|
|
hooks = (struct iconv_hooks *)argument;
|
|
i = (int *)argument;
|
|
|
|
if (ISBADF(cd)) {
|
|
errno = EBADF;
|
|
return (-1);
|
|
}
|
|
|
|
switch (request) {
|
|
case ICONV_TRIVIALP:
|
|
convname = cv->cv_shared->ci_convname;
|
|
dst = strchr(convname, '/');
|
|
|
|
strlcpy(src, convname, dst - convname + 1);
|
|
dst++;
|
|
if ((convname == NULL) || (src == NULL) || (dst == NULL))
|
|
return (-1);
|
|
*i = strcmp(src, dst) == 0 ? 1 : 0;
|
|
return (0);
|
|
case ICONV_GET_TRANSLITERATE:
|
|
*i = 1;
|
|
return (0);
|
|
case ICONV_SET_TRANSLITERATE:
|
|
return ((*i == 1) ? 0 : -1);
|
|
case ICONV_GET_DISCARD_ILSEQ:
|
|
*i = cv->cv_shared->ci_discard_ilseq ? 1 : 0;
|
|
return (0);
|
|
case ICONV_SET_DISCARD_ILSEQ:
|
|
cv->cv_shared->ci_discard_ilseq = *i;
|
|
return (0);
|
|
case ICONV_SET_HOOKS:
|
|
cv->cv_shared->ci_hooks = hooks;
|
|
return (0);
|
|
case ICONV_SET_FALLBACKS:
|
|
errno = EOPNOTSUPP;
|
|
return (-1);
|
|
default:
|
|
errno = EINVAL;
|
|
return (-1);
|
|
}
|
|
}
|
|
|
|
void
|
|
libiconv_set_relocation_prefix(const char *orig_prefix __unused,
|
|
const char *curr_prefix __unused)
|
|
{
|
|
|
|
}
|