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559a218c9b
These sys/cdefs.h are not needed. Purge them. They are mostly left-over from the $FreeBSD$ removal. A few in libc are still required for macros that cdefs.h defines. Keep those. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D42385
148 lines
3.8 KiB
C
148 lines
3.8 KiB
C
/* $NetBSD: citrus_stdenc.c,v 1.4 2011/11/19 18:39:58 tnozaki Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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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 <assert.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include "citrus_namespace.h"
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#include "citrus_types.h"
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#include "citrus_module.h"
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#include "citrus_none.h"
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#include "citrus_stdenc.h"
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struct _citrus_stdenc _citrus_stdenc_default = {
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&_citrus_NONE_stdenc_ops, /* ce_ops */
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NULL, /* ce_closure */
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NULL, /* ce_module */
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&_citrus_NONE_stdenc_traits, /* ce_traits */
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};
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int
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_citrus_stdenc_open(struct _citrus_stdenc * __restrict * __restrict rce,
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char const * __restrict encname, const void * __restrict variable,
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size_t lenvar)
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{
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struct _citrus_stdenc *ce;
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_citrus_module_t handle;
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_citrus_stdenc_getops_t getops;
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int ret;
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if (!strcmp(encname, _CITRUS_DEFAULT_STDENC_NAME)) {
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*rce = &_citrus_stdenc_default;
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return (0);
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}
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ce = malloc(sizeof(*ce));
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if (ce == NULL) {
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ret = errno;
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goto bad;
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}
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ce->ce_ops = NULL;
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ce->ce_closure = NULL;
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ce->ce_module = NULL;
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ce->ce_traits = NULL;
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ret = _citrus_load_module(&handle, encname);
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if (ret)
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goto bad;
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ce->ce_module = handle;
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getops = (_citrus_stdenc_getops_t)_citrus_find_getops(ce->ce_module,
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encname, "stdenc");
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if (getops == NULL) {
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ret = EINVAL;
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goto bad;
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}
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ce->ce_ops = (struct _citrus_stdenc_ops *)malloc(sizeof(*ce->ce_ops));
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if (ce->ce_ops == NULL) {
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ret = errno;
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goto bad;
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}
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ret = (*getops)(ce->ce_ops, sizeof(*ce->ce_ops));
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if (ret)
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goto bad;
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/* validation check */
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if (ce->ce_ops->eo_init == NULL ||
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ce->ce_ops->eo_uninit == NULL ||
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ce->ce_ops->eo_init_state == NULL ||
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ce->ce_ops->eo_mbtocs == NULL ||
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ce->ce_ops->eo_cstomb == NULL ||
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ce->ce_ops->eo_mbtowc == NULL ||
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ce->ce_ops->eo_wctomb == NULL ||
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ce->ce_ops->eo_get_state_desc == NULL) {
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ret = EINVAL;
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goto bad;
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}
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/* allocate traits */
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ce->ce_traits = malloc(sizeof(*ce->ce_traits));
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if (ce->ce_traits == NULL) {
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ret = errno;
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goto bad;
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}
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/* init and get closure */
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ret = (*ce->ce_ops->eo_init)(ce, variable, lenvar, ce->ce_traits);
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if (ret)
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goto bad;
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*rce = ce;
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return (0);
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bad:
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_citrus_stdenc_close(ce);
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return (ret);
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}
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void
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_citrus_stdenc_close(struct _citrus_stdenc *ce)
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{
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if (ce == &_citrus_stdenc_default)
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return;
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if (ce->ce_module) {
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if (ce->ce_ops) {
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if (ce->ce_closure && ce->ce_ops->eo_uninit)
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(*ce->ce_ops->eo_uninit)(ce);
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free(ce->ce_ops);
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}
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free(ce->ce_traits);
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_citrus_unload_module(ce->ce_module);
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}
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free(ce);
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}
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