105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/*-
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* Copyright (c) 2003-2012 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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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#include "archive.h"
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#include "archive_private.h"
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#include "archive_read_private.h"
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int
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archive_read_set_format(struct archive *_a, int code)
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{
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int r1, r2, slots, i;
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char str[10];
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struct archive_read *a = (struct archive_read *)_a;
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if ((r1 = archive_read_support_format_by_code(_a, code)) < (ARCHIVE_OK))
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return r1;
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r1 = r2 = (ARCHIVE_OK);
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if (a->format)
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r2 = (ARCHIVE_WARN);
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switch (code & ARCHIVE_FORMAT_BASE_MASK)
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{
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case ARCHIVE_FORMAT_7ZIP:
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strcpy(str, "7zip");
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break;
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case ARCHIVE_FORMAT_AR:
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strcpy(str, "ar");
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break;
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case ARCHIVE_FORMAT_CAB:
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strcpy(str, "cab");
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break;
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case ARCHIVE_FORMAT_CPIO:
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strcpy(str, "cpio");
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break;
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case ARCHIVE_FORMAT_ISO9660:
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strcpy(str, "iso9660");
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break;
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case ARCHIVE_FORMAT_LHA:
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strcpy(str, "lha");
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break;
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case ARCHIVE_FORMAT_MTREE:
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strcpy(str, "mtree");
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break;
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case ARCHIVE_FORMAT_RAR:
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strcpy(str, "rar");
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break;
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case ARCHIVE_FORMAT_TAR:
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strcpy(str, "tar");
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break;
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case ARCHIVE_FORMAT_XAR:
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strcpy(str, "xar");
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break;
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case ARCHIVE_FORMAT_ZIP:
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strcpy(str, "zip");
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break;
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default:
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archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
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"Invalid format code specified");
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return (ARCHIVE_FATAL);
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}
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slots = sizeof(a->formats) / sizeof(a->formats[0]);
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a->format = &(a->formats[0]);
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for (i = 0; i < slots; i++, a->format++) {
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if (!a->format->name || !strcmp(a->format->name, str))
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break;
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}
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if (!a->format->name || strcmp(a->format->name, str))
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{
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archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
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"Internal error: Unable to set format");
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r1 = (ARCHIVE_FATAL);
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}
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return (r1 < r2) ? r1 : r2;
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}
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