gstreamer/tools/gstreamer-register.c
Richard Boulton 0a418d15d0 Config directory (which currently just holds the registry)ecan now be set by configure --with-configdir=<directory path>
Original commit message from CVS:
Config directory (which currently just holds the registry)ecan now be set
by configure --with-configdir=<directory path>
2001-01-07 05:30:07 +00:00

129 lines
3.5 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstreamer-register.c: Plugin subsystem for loading elements, types, and libs
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include <gst/gst.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "config.h"
#define GLOBAL_REGISTRY_DIR GST_CONFIG_DIR
#define GLOBAL_REGISTRY_FILE GLOBAL_REGISTRY_DIR"/reg.xml"
#define GLOBAL_REGISTRY_FILE_TMP GLOBAL_REGISTRY_DIR"/.reg.xml.tmp"
extern gboolean _gst_plugin_spew;
static void error_perm() {
g_print("\n(%s)\n"
"Do you have the appropriate permissions?\n"
"You may need to be root to run this command.\n\n",
strerror(errno));
exit(1);
}
static void usage(const char *progname) {
g_print("usage: %s\n", progname);
g_print("Builds the plugin registry for gstreamer.\n");
g_print("This command will usually require superuser privileges.\n\n");
exit(0);
}
static int is_file(const char * filename) {
struct stat statbuf;
if(stat(filename, &statbuf)) return 0;
return S_ISREG(statbuf.st_mode);
}
static int is_dir(const char * filename) {
struct stat statbuf;
if(stat(filename, &statbuf)) return 0;
return S_ISDIR(statbuf.st_mode);
}
static void move_file(const char * nameold, const char * namenew) {
if (!is_file(nameold)) {
g_print("Temporary `%s' is not a file", nameold);
error_perm();
}
if (is_dir(namenew)) {
g_print("Destination path `%s' is a directory\n", namenew);
g_print("Please remove, or reconfigure GStreamer\n\n");
exit(1);
}
if (rename(nameold, namenew)) {
g_print("Cannot move `%s' to `%s'", nameold, namenew);
error_perm();
}
}
static int make_dir(const char * dirname) {
mode_t mode = 0766;
return !mkdir(dirname, mode);
}
void check_dir(const char * dirname) {
if (!is_dir(dirname)) {
if (!make_dir(dirname)) {
g_print("Cannot create GStreamer registry directory `%s'",
dirname);
error_perm();
}
}
}
int main(int argc,char *argv[])
{
xmlDocPtr doc;
if (argc != 1) usage(argv[0]);
// Check that directory for config exists
check_dir(GLOBAL_REGISTRY_DIR);
// Read the plugins
_gst_plugin_spew = TRUE;
gst_init(&argc,&argv);
doc = xmlNewDoc("1.0");
doc->root = xmlNewDocNode(doc, NULL, "GST-PluginRegistry", NULL);
gst_plugin_save_thyself(doc->root);
// Save the registry to a tmp file.
// FIXME; check for failure.
if (xmlSaveFile(GLOBAL_REGISTRY_FILE_TMP, doc)) {
g_print("Cannot save new registry `%s'",
GLOBAL_REGISTRY_FILE_TMP);
error_perm();
}
// Make the tmp file live.
move_file(GLOBAL_REGISTRY_FILE_TMP, GLOBAL_REGISTRY_FILE);
return(0);
}