contrib/libarchive-2/libarchive/archive_write_set_format_by_name.c

   1 /*-
   2  * Copyright (c) 2003-2007 Tim Kientzle
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "archive_platform.h"
  27 __FBSDID("$FreeBSD: src/lib/libarchive/archive_write_set_format_by_name.c,v 1.7 2007/06/22 05:47:00 kientzle Exp $");
  28
  29 #ifdef HAVE_SYS_TYPES_H
  30 #include <sys/types.h>
  31 #endif
  32
  33 #ifdef HAVE_ERRNO_H
  34 #include <errno.h>
  35 #endif
  36 #ifdef HAVE_STRING_H
  37 #include <string.h>
  38 #endif
  39
  40 #include "archive.h"
  41 #include "archive_private.h"
  42
  43 /* A table that maps names to functions. */
  44 static
  45 struct { const char *name; int (*setter)(struct archive *); } names[] =
  46 {
  47         { "arbsd",      archive_write_set_format_ar_bsd },
  48         { "ar",         archive_write_set_format_ar_bsd },
  49         { "argnu",      archive_write_set_format_ar_svr4 },
  50         { "arsvr4",     archive_write_set_format_ar_svr4 },
  51         { "cpio",       archive_write_set_format_cpio },
  52         { "newc",       archive_write_set_format_cpio_newc },
  53         { "odc",        archive_write_set_format_cpio },
  54         { "pax",        archive_write_set_format_pax },
  55         { "posix",      archive_write_set_format_pax },
  56         { "shar",       archive_write_set_format_shar },
  57         { "shardump",   archive_write_set_format_shar_dump },
  58         { "ustar",      archive_write_set_format_ustar },
  59         { NULL,         NULL }
  60 };
  61
  62 int
  63 archive_write_set_format_by_name(struct archive *a, const char *name)
  64 {
  65         int i;
  66
  67         for (i = 0; names[i].name != NULL; i++) {
  68                 if (strcmp(name, names[i].name) == 0)
  69                         return ((names[i].setter)(a));
  70         }
  71
  72         archive_set_error(a, EINVAL, "No such format '%s'", name);
  73         return (ARCHIVE_FATAL);
  74 }