bin/cachegen.c

   1 /*****************************************************************************
   2  * cachegen.c: LibVLC plugins cache generator
   3  *****************************************************************************
   4  * Copyright (C) 2010 Rémi Denis-Courmont
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20
  21 #ifdef HAVE_CONFIG_H
  22 # include "config.h"
  23 #endif
  24
  25 #include <vlc/vlc.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <stdbool.h>
  29
  30 #ifdef HAVE_GETOPT_H
  31 # include <getopt.h>
  32 #endif
  33
  34 static void version (void)
  35 {
  36     puts ("LibVLC plugins cache generation version "VERSION);
  37 }
  38
  39 static void usage (const char *path)
  40 {
  41     printf (
  42 "Usage: %s [-f] <path>\n"
  43 "Generate the LibVLC plugins cache for the specified plugins directory.\n"
  44 " -f, --force  forcefully reset the plugin cache (if it exists)\n",
  45             path);
  46 }
  47
  48 int main (int argc, char *argv[])
  49 {
  50     static const struct option opts[] =
  51     {
  52         { "force",      no_argument,       NULL, 'f' },
  53         { "help",       no_argument,       NULL, 'h' },
  54         { "version",    no_argument,       NULL, 'V' },
  55         { NULL,         no_argument,       NULL, '\0'}
  56     };
  57
  58     int c;
  59     bool force = false;
  60
  61     while ((c = getopt_long (argc, argv, "fhV", opts, NULL)) != -1)
  62         switch (c)
  63         {
  64             case 'f':
  65                 force = true;
  66                 break;
  67             case 'h':
  68                 usage (argv[0]);
  69                 return 0;
  70             case 'V':
  71                 version ();
  72                 return 0;
  73             default:
  74                 usage (argv[0]);
  75                 return 1;
  76         }
  77
  78     for (int i = optind; i < argc; i++)
  79     {
  80         const char *path = argv[i];
  81
  82         if (setenv ("VLC_PLUGIN_PATH", path, 1))
  83             abort ();
  84
  85         const char *vlc_argv[4];
  86         int vlc_argc = 0;
  87
  88         vlc_argv[vlc_argc++] = "--quiet";
  89         if (force)
  90             vlc_argv[vlc_argc++] = "--reset-plugins-cache";
  91         vlc_argv[vlc_argc++] = "--"; /* end of options */
  92         vlc_argv[vlc_argc] = NULL;
  93
  94         libvlc_instance_t *vlc = libvlc_new (vlc_argc, vlc_argv);
  95         if (vlc != NULL)
  96             libvlc_release (vlc);
  97         if (vlc == NULL)
  98             fprintf (stderr, "No plugins in %s\n", path);
  99         if (vlc == NULL)
 100             return 1;
 101     }
 102
 103     return 0;
 104 }