156 lines
4.6 KiB
C
156 lines
4.6 KiB
C
/*-
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* Copyright (c) 2011 Tim Kientzle
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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(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "archive_platform.h"
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__FBSDID("$FreeBSD$");
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#include "archive_read_private.h"
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#include "archive_options_private.h"
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static int archive_set_format_option(struct archive *a,
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const char *m, const char *o, const char *v);
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static int archive_set_filter_option(struct archive *a,
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const char *m, const char *o, const char *v);
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static int archive_set_option(struct archive *a,
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const char *m, const char *o, const char *v);
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int
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archive_read_set_format_option(struct archive *a, const char *m, const char *o,
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const char *v)
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{
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return _archive_set_option(a, m, o, v,
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ARCHIVE_READ_MAGIC, "archive_read_set_format_option",
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archive_set_format_option);
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}
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int
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archive_read_set_filter_option(struct archive *a, const char *m, const char *o,
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const char *v)
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{
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return _archive_set_option(a, m, o, v,
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ARCHIVE_READ_MAGIC, "archive_read_set_filter_option",
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archive_set_filter_option);
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}
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int
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archive_read_set_option(struct archive *a, const char *m, const char *o,
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const char *v)
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{
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return _archive_set_option(a, m, o, v,
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ARCHIVE_READ_MAGIC, "archive_read_set_option",
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archive_set_option);
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}
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int
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archive_read_set_options(struct archive *a, const char *options)
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{
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return _archive_set_options(a, options,
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ARCHIVE_READ_MAGIC, "archive_read_set_options",
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archive_set_option);
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}
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static int
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archive_set_format_option(struct archive *_a, const char *m, const char *o,
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const char *v)
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{
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struct archive_read *a = (struct archive_read *)_a;
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size_t i;
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int r, rv = ARCHIVE_WARN, matched_modules = 0;
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for (i = 0; i < sizeof(a->formats)/sizeof(a->formats[0]); i++) {
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struct archive_format_descriptor *format = &a->formats[i];
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if (format->options == NULL || format->name == NULL)
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/* This format does not support option. */
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continue;
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if (m != NULL) {
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if (strcmp(format->name, m) != 0)
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continue;
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++matched_modules;
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}
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a->format = format;
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r = format->options(a, o, v);
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a->format = NULL;
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if (r == ARCHIVE_FATAL)
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return (ARCHIVE_FATAL);
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if (r == ARCHIVE_OK)
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rv = ARCHIVE_OK;
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}
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/* If the format name didn't match, return a special code for
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* _archive_set_option[s]. */
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if (m != NULL && matched_modules == 0)
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return ARCHIVE_WARN - 1;
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return (rv);
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}
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static int
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archive_set_filter_option(struct archive *_a, const char *m, const char *o,
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const char *v)
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{
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struct archive_read *a = (struct archive_read *)_a;
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struct archive_read_filter *filter;
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struct archive_read_filter_bidder *bidder;
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int r, rv = ARCHIVE_WARN, matched_modules = 0;
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for (filter = a->filter; filter != NULL; filter = filter->upstream) {
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bidder = filter->bidder;
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if (bidder == NULL)
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continue;
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if (bidder->options == NULL)
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/* This bidder does not support option */
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continue;
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if (m != NULL) {
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if (strcmp(filter->name, m) != 0)
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continue;
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++matched_modules;
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}
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r = bidder->options(bidder, o, v);
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if (r == ARCHIVE_FATAL)
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return (ARCHIVE_FATAL);
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if (r == ARCHIVE_OK)
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rv = ARCHIVE_OK;
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}
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/* If the filter name didn't match, return a special code for
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* _archive_set_option[s]. */
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if (m != NULL && matched_modules == 0)
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return ARCHIVE_WARN - 1;
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return (rv);
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}
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static int
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archive_set_option(struct archive *a, const char *m, const char *o,
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const char *v)
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{
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return _archive_set_either_option(a, m, o, v,
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archive_set_format_option,
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archive_set_filter_option);
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}
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