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/*-
* Copyright (c) 2003-2012 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_read_private.h"
int
archive_read_set_format(struct archive *_a, int code)
{
int r1, r2, slots, i;
char str[10];
struct archive_read *a = (struct archive_read *)_a;
if ((r1 = archive_read_support_format_by_code(_a, code)) < (ARCHIVE_OK))
return r1;
r1 = r2 = (ARCHIVE_OK);
if (a->format)
r2 = (ARCHIVE_WARN);
switch (code & ARCHIVE_FORMAT_BASE_MASK)
{
case ARCHIVE_FORMAT_7ZIP:
strcpy(str, "7zip");
break;
case ARCHIVE_FORMAT_AR:
strcpy(str, "ar");
break;
case ARCHIVE_FORMAT_CAB:
strcpy(str, "cab");
break;
case ARCHIVE_FORMAT_CPIO:
strcpy(str, "cpio");
break;
case ARCHIVE_FORMAT_ISO9660:
strcpy(str, "iso9660");
break;
case ARCHIVE_FORMAT_LHA:
strcpy(str, "lha");
break;
case ARCHIVE_FORMAT_MTREE:
strcpy(str, "mtree");
break;
case ARCHIVE_FORMAT_RAR:
strcpy(str, "rar");
break;
case ARCHIVE_FORMAT_TAR:
strcpy(str, "tar");
break;
case ARCHIVE_FORMAT_XAR:
strcpy(str, "xar");
break;
case ARCHIVE_FORMAT_ZIP:
strcpy(str, "zip");
break;
default:
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Invalid format code specified");
return (ARCHIVE_FATAL);
}
slots = sizeof(a->formats) / sizeof(a->formats[0]);
a->format = &(a->formats[0]);
for (i = 0; i < slots; i++, a->format++) {
if (!a->format->name || !strcmp(a->format->name, str))
break;
}
if (!a->format->name || strcmp(a->format->name, str))
{
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Internal error: Unable to set format");
r1 = (ARCHIVE_FATAL);
}
return (r1 < r2) ? r1 : r2;
}