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+/* wrapper/plugin-load.h -- load rvs plugins into mem
+ system depens: <string.h> <unistd.h> <dirent.h> <sys/stat.h> <error.h>
+ Copyright (C) 2009 Luke Shumaker
+
+ This file is part of rvs.
+
+ rvs is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your
+ option) any later version.
+
+ rvs 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with rvs; see the file COPYING.
+ If not, write to the Free Software Foundation,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+#ifndef FILE_plugin_load_h_SEEN
+#define FILE_plugin_load_h_SEEN
+
+#include "rvs.h"
+#include "plugins.h"
+#include "plugin-parse.h"
+
+/*- plugin_load ----------------------------------------------------*\
+ assume we're in rvs's libexecdir, where plugins are
+ now, load plugin plug_name,
+\* whose configuration file is plugin_conf */
+struct plugin *
+plugin_load (const char *plug_name, const char *plugin_conf)
+{
+ struct plugin *plugin=xmalloc( sizeof(*plugin) );
+ plugin->name=stralloc(plug_name);
+ puts(plugin->name);
+ plugin->next=NULL;
+
+ xchdir(plug_name);
+ FILE *file = xfopen(plugin_conf,"r");
+ plugin->commands=plugin_parse(file);
+ fclose( file );
+ xchdir("..");
+
+ return plugin;
+}
+
+/*- load_plugins ---------------------------------------------------*\
+ Load all the plugins in `libexecdir'
+ Use `plugin_conf' as the name of the config file for each plugin
+ Note that the method we use to loop through all the directories in
+ `libexecdir' is a horible kludge, uses a ton of system functions,
+\* and generally needs to be rewritten. */
+#include <string.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <error.h>
+
+struct plugin *
+load_plugins (const char *libexecdir, const char *plugin_conf)
+{
+ struct plugin *first=NULL; /* we return this */
+ struct plugin **prev=&first; /* this is the previous plugin->next */
+ struct plugin *plugin; /* this is the current plugin */
+
+ xchdir(libexecdir);
+
+ /* Yeah, I know this next bit is pretty ugly. */
+ DIR *cwd;
+ struct dirent *dirent;
+ int serr;
+ struct stat sbuf;
+ const char *dirname="./";
+ cwd = opendir (dirname);
+ if (cwd == NULL) error(EXIT_FAILURE,errno,"%s/",dirname);
+ while ( (dirent = readdir (cwd)) != NULL ) {
+ if ((strcmp(dirent->d_name,"." )!=0)&&
+ (strcmp(dirent->d_name,"..")!=0)) {
+ serr = stat(dirent->d_name, &sbuf);
+ if (!serr && S_ISDIR(sbuf.st_mode)) {
+ plugin=plugin_load(dirent->d_name,plugin_conf);
+ *prev=plugin;/* this sets the last's `next' */
+ prev=&plugin->next;
+ }
+ }
+ }
+ closedir (cwd);
+
+ xchdir("..");
+ return first;
+}
+
+#endif
+