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 #ifdef HAVE_GETOPT_H
  30 # include <getopt.h>
  31 #endif
  32 #ifdef WIN32
  33 # include <windows.h>
  34 #endif
  35
  36 static void version (void)
  37 {
  38     puts ("LibVLC plugins cache generation version "VERSION);
  39 }
  40
  41 static void usage (const char *path)
  42 {
  43     printf (
  44 "Usage: %s [-f] <path>\n"
  45 "Generate the LibVLC plugins cache for the specified plugins directory.\n"
  46 " -f, --force  forcefully reset the plugin cache (if it exists)\n",
  47             path);
  48 }
  49
  50 int main (int argc, char *argv[])
  51 {
  52 #ifdef WIN32
  53     SetErrorMode(SEM_FAILCRITICALERRORS);
  54 #endif
  55     static const struct option opts[] =
  56     {
  57         { "force",      no_argument,       NULL, 'f' },
  58         { "help",       no_argument,       NULL, 'h' },
  59         { "version",    no_argument,       NULL, 'V' },
  60         { NULL,         no_argument,       NULL, '\0'}
  61     };
  62
  63     int c;
  64     bool force = false;
  65
  66     while ((c = getopt_long (argc, argv, "fhV", opts, NULL)) != -1)
  67         switch (c)
  68         {
  69             case 'f':
  70                 force = true;
  71                 break;
  72             case 'h':
  73                 usage (argv[0]);
  74                 return 0;
  75             case 'V':
  76                 version ();
  77                 return 0;
  78             default:
  79                 usage (argv[0]);
  80                 return 1;
  81         }
  82
  83     for (int i = optind; i < argc; i++)
  84     {
  85         const char *path = argv[i];
  86
  87         if (setenv ("VLC_PLUGIN_PATH", path, 1))
  88             abort ();
  89
  90         const char *vlc_argv[4];
  91         int vlc_argc = 0;
  92
  93         vlc_argv[vlc_argc++] = "--quiet";
  94         if (force)
  95             vlc_argv[vlc_argc++] = "--reset-plugins-cache";
  96         vlc_argv[vlc_argc++] = "--"; /* end of options */
  97         vlc_argv[vlc_argc] = NULL;
  98
  99         libvlc_instance_t *vlc = libvlc_new (vlc_argc, vlc_argv);
 100         if (vlc != NULL)
 101             libvlc_release (vlc);
 102         if (vlc == NULL)
 103             fprintf (stderr, "No plugins in %s\n", path);
 104         if (vlc == NULL)
 105             return 1;
 106     }
 107
 108     return 0;
 109 }