contrib/libarchive/libarchive/archive_write_set_options.c

   1 /*-
   2  * Copyright (c) 2003-2010 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("$FreeBSD$");
  28
  29 #include "archive_write_private.h"
  30 #include "archive_options_private.h"
  31
  32 static int      archive_set_format_option(struct archive *a,
  33                     const char *m, const char *o, const char *v);
  34 static int      archive_set_filter_option(struct archive *a,
  35                     const char *m, const char *o, const char *v);
  36 static int      archive_set_option(struct archive *a,
  37                     const char *m, const char *o, const char *v);
  38
  39 int
  40 archive_write_set_format_option(struct archive *a, const char *m, const char *o,
  41     const char *v)
  42 {
  43         return _archive_set_option(a, m, o, v,
  44             ARCHIVE_WRITE_MAGIC, "archive_write_set_format_option",
  45             archive_set_format_option);
  46 }
  47
  48 int
  49 archive_write_set_filter_option(struct archive *a, const char *m, const char *o,
  50     const char *v)
  51 {
  52         return _archive_set_option(a, m, o, v,
  53             ARCHIVE_WRITE_MAGIC, "archive_write_set_filter_option",
  54             archive_set_filter_option);
  55 }
  56
  57 int
  58 archive_write_set_option(struct archive *a, const char *m, const char *o,
  59     const char *v)
  60 {
  61         return _archive_set_option(a, m, o, v,
  62             ARCHIVE_WRITE_MAGIC, "archive_write_set_option",
  63             archive_set_option);
  64 }
  65
  66 int
  67 archive_write_set_options(struct archive *a, const char *options)
  68 {
  69         return _archive_set_options(a, options,
  70             ARCHIVE_WRITE_MAGIC, "archive_write_set_options",
  71             archive_set_option);
  72 }
  73
  74 static int
  75 archive_set_format_option(struct archive *_a, const char *m, const char *o,
  76     const char *v)
  77 {
  78         struct archive_write *a = (struct archive_write *)_a;
  79
  80         if (a->format_name == NULL)
  81                 return (m == NULL)?ARCHIVE_FAILED:ARCHIVE_WARN - 1;
  82         /* If the format name didn't match, return a special code for
  83          * _archive_set_option[s]. */
  84         if (m != NULL && strcmp(m, a->format_name) != 0)
  85                 return (ARCHIVE_WARN - 1);
  86         if (a->format_options == NULL)
  87                 return (ARCHIVE_WARN);
  88         return a->format_options(a, o, v);
  89 }
  90
  91 static int
  92 archive_set_filter_option(struct archive *_a, const char *m, const char *o,
  93     const char *v)
  94 {
  95         struct archive_write *a = (struct archive_write *)_a;
  96         struct archive_write_filter *filter;
  97         int r, rv = ARCHIVE_WARN;
  98
  99         for (filter = a->filter_first; filter != NULL; filter = filter->next_filter) {
 100                 if (filter->options == NULL)
 101                         continue;
 102                 if (m != NULL && strcmp(filter->name, m) != 0)
 103                         continue;
 104
 105                 r = filter->options(filter, o, v);
 106
 107                 if (r == ARCHIVE_FATAL)
 108                         return (ARCHIVE_FATAL);
 109
 110                 if (m != NULL)
 111                         return (r);
 112
 113                 if (r == ARCHIVE_OK)
 114                         rv = ARCHIVE_OK;
 115         }
 116         /* If the filter name didn't match, return a special code for
 117          * _archive_set_option[s]. */
 118         if (rv == ARCHIVE_WARN && m != NULL)
 119                 rv = ARCHIVE_WARN - 1;
 120         return (rv);
 121 }
 122
 123 static int
 124 archive_set_option(struct archive *a, const char *m, const char *o,
 125     const char *v)
 126 {
 127         return _archive_set_either_option(a, m, o, v,
 128             archive_set_format_option,
 129             archive_set_filter_option);
 130 }