189 lines
4.0 KiB
C
189 lines
4.0 KiB
C
/* $NetBSD: iconv.c,v 1.6 2006/11/03 20:16:28 christos Exp $ */
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/*-
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* Copyright (c)2003 Citrus Project,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: iconv.c,v 1.6 2006/11/03 20:16:28 christos Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <assert.h>
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#include <errno.h>
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#include <paths.h>
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#include <sys/queue.h>
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#include <iconv.h>
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#ifdef __weak_alias
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__weak_alias(iconv, _iconv)
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__weak_alias(iconv_open, _iconv_open)
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__weak_alias(iconv_close, _iconv_close)
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#endif
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#ifdef CITRUS_ICONV
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#include <sys/types.h>
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#include <citrus/citrus_types.h>
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#include <citrus/citrus_module.h>
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#include <citrus/citrus_esdb.h>
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#include <citrus/citrus_hash.h>
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#include <citrus/citrus_iconv.h>
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#define ISBADF(_h_) (!(_h_) || (_h_) == (iconv_t)-1)
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iconv_t
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iconv_open(const char *out, const char *in)
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{
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int ret;
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struct _citrus_iconv *handle;
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ret = _citrus_iconv_open(&handle, _PATH_ICONV, in, out);
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if (ret) {
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errno = ret == ENOENT? EINVAL : ret;
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return ((iconv_t)-1);
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}
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return ((iconv_t)(void *)handle);
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}
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int
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iconv_close(iconv_t handle)
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{
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if (ISBADF(handle)) {
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errno = EBADF;
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return (-1);
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}
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_citrus_iconv_close((struct _citrus_iconv *)(void *)handle);
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return (0);
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}
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size_t
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iconv(iconv_t handle, const char **in, size_t *szin, char **out, size_t *szout)
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{
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int err;
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size_t ret;
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if (ISBADF(handle)) {
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errno = EBADF;
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return ((size_t)-1);
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}
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err = _citrus_iconv_convert(
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(struct _citrus_iconv *)(void *)handle, in, szin, out, szout,
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0, &ret);
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if (err) {
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errno = err;
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ret = (size_t)-1;
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}
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return (ret);
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}
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size_t
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__iconv(iconv_t handle, const char **in, size_t *szin, char **out,
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size_t *szout, u_int32_t flags, size_t *invalids)
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{
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int err;
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size_t ret;
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if (ISBADF(handle)) {
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errno = EBADF;
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return ((size_t)-1);
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}
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err = _citrus_iconv_convert(
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(struct _citrus_iconv *)(void *)handle, in, szin, out, szout,
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flags, &ret);
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if (invalids)
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*invalids = ret;
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if (err) {
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errno = err;
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ret = (size_t)-1;
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}
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return (ret);
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}
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int
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__iconv_get_list(char ***rlist, size_t *rsz)
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{
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int ret;
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ret = _citrus_esdb_get_list(rlist, rsz);
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if (ret) {
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errno = ret;
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return -1;
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}
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return 0;
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}
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void
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__iconv_free_list(char **list, size_t sz)
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{
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_citrus_esdb_free_list(list, sz);
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}
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#else
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iconv_t
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/*ARGSUSED*/
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iconv_open(const char *in, const char *out)
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{
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errno = EINVAL;
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return ((iconv_t)-1);
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}
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int
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/*ARGSUSED*/
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iconv_close(iconv_t handle)
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{
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errno = EBADF;
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return (-1);
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}
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size_t
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/*ARGSUSED*/
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iconv(iconv_t handle, const char **in, size_t *szin, char **out, size_t *szout)
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{
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errno = EBADF;
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return ((size_t)-1);
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}
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int
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/*ARGSUSED*/
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__iconv_get_list(char ***rlist, size_t *rsz)
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{
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errno = EINVAL;
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return -1;
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}
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void
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/*ARGSUSED*/
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__iconv_free_list(char **list, size_t sz)
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{
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}
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#endif
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