external/bsd/pkg_install/dist/lib/automatic.c

   1 /*      $NetBSD: automatic.c,v 1.5 2009/02/02 12:35:01 joerg Exp $      */
   2
   3 /*-
   4  * Copyright (c) 2005 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Dieter Baron and Thomas Klausner.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of The NetBSD Foundation nor the names of its
  19  *    contributors may be used to endorse or promote products derived
  20  *    from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  */
  34
  35 #if HAVE_CONFIG_H
  36 #include "config.h"
  37 #endif
  38 #include <nbcompat.h>
  39 #if HAVE_SYS_CDEFS_H
  40 #include <sys/cdefs.h>
  41 #endif
  42 __RCSID("$NetBSD: automatic.c,v 1.5 2009/02/02 12:35:01 joerg Exp $");
  43
  44 #if HAVE_ASSERT_H
  45 #include <assert.h>
  46 #endif
  47 #if HAVE_ERR_H
  48 #include <err.h>
  49 #endif
  50 #if HAVE_ERRNO_H
  51 #include <errno.h>
  52 #endif
  53 #if HAVE_FCNTL_H
  54 #include <fcntl.h>
  55 #endif
  56 #if HAVE_STRING_H
  57 #include <string.h>
  58 #endif
  59 #if HAVE_STDLIB_H
  60 #include <stdlib.h>
  61 #endif
  62 #if HAVE_SYS_STAT_H
  63 #include <sys/stat.h>
  64 #endif
  65 #include "lib.h"
  66
  67 Boolean
  68 is_automatic_installed(const char *pkg)
  69 {
  70         char *filename, *value;
  71         Boolean ret;
  72
  73         assert(pkg[0] != '/');
  74
  75         filename = pkgdb_pkg_file(pkg, INSTALLED_INFO_FNAME);
  76
  77         value = var_get(filename, AUTOMATIC_VARNAME);
  78
  79         if (value && strcasecmp(value, "yes") == 0)
  80             ret = TRUE;
  81         else
  82             ret = FALSE;
  83
  84         free(value);
  85         free(filename);
  86
  87         return ret;
  88 }
  89
  90 int
  91 mark_as_automatic_installed(const char *pkg, int value)
  92 {
  93         char *filename;
  94         int retval;
  95
  96         assert(pkg[0] != '/');
  97
  98         filename = pkgdb_pkg_file(pkg, INSTALLED_INFO_FNAME);
  99
 100         retval = var_set(filename, AUTOMATIC_VARNAME, value ? "yes" : NULL);
 101
 102         free(filename);
 103
 104         return retval;
 105 }