142 lines
4.3 KiB
C
142 lines
4.3 KiB
C
/*-
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* Copyright (c) 1999, 2000
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* Konstantin Chuguev. 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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* iconv (Charset Conversion Library) v2.0
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*/
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#ifdef ENABLE_ICONV
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#include <_ansi.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <reent.h>
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#include "local.h"
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static int
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_DEFUN(close_builtin, (rptr, ces),
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struct _reent *rptr _AND
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_VOID_PTR ces)
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{
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return ((struct iconv_ces *)ces)->desc->close(rptr,
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((struct iconv_ces *)ces)->data);
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}
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static int
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_DEFUN(ces_instance_init, (rptr, ces, name, desc),
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struct _reent *rptr _AND
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struct iconv_ces *ces _AND
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_CONST char *name _AND
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_CONST struct iconv_ces_desc *desc)
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{
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int res = desc->init(rptr, &(ces->data), name, desc->data);
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if (res)
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return __errno_r(rptr) = res;
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ces->desc = desc;
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ces->close = close_builtin;
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return 0;
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}
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static int
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_DEFUN(ces_init_builtin, (rptr, ces, name),
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struct _reent *rptr _AND
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struct iconv_ces *ces _AND
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_CONST char *name)
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{
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_CONST iconv_builtin_table *ces_ptr;
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for (ces_ptr = iconv_builtin_ces; ces_ptr->key != NULL; ces_ptr ++)
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if (strcmp(ces_ptr->key, name) == 0)
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return ces_instance_init(rptr, ces, name,
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(_CONST struct iconv_ces_desc *)(ces_ptr->value));
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return __errno_r(rptr) = EINVAL;
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}
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int
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_DEFUN(iconv_ces_init, (rptr, ces, name),
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struct _reent *rptr _AND
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struct iconv_ces *ces _AND
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_CONST char *name)
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{
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return ces_init_builtin(rptr, ces, name)
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&& ces_instance_init(rptr, ces, name, &iconv_ces_table_driven);
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}
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int
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_DEFUN(iconv_ces_init_state, (rptr, res, name, data),
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struct _reent *rptr _AND
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_VOID_PTR *res _AND
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_CONST char *name _AND
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_CONST _VOID_PTR data)
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{
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if ((*res = _malloc_r(rptr, sizeof(int))) == NULL)
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return __errno_r(rptr);
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memset(*res, '\0', sizeof(int));
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return 0;
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}
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int
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_DEFUN(iconv_ces_close_state, (rptr, data),
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struct _reent *rptr _AND
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_VOID_PTR data)
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{
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if (data != NULL)
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_free_r(rptr, data);
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return 0;
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}
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_VOID
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_DEFUN(iconv_ces_reset_state, (data), _VOID_PTR data)
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{
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*(int *)data = 0;
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}
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int
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_DEFUN(iconv_ces_init_null, (rptr, res, name, data),
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struct _reent *rptr _AND
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_VOID_PTR *res _AND
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_CONST char *name _AND
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_CONST _VOID_PTR data)
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{
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return 0;
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}
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int
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_DEFUN(iconv_ces_close_null, (rptr, data),
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struct _reent *rptr _AND
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_VOID_PTR data)
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{
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return 0;
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}
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_VOID
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_DEFUN(iconv_ces_reset_null, (data), _VOID_PTR data)
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{
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}
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#endif /* #ifdef ENABLE_ICONV */
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