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/* 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_c_SEEN
#define FILE_plugin_c_SEEN
#include <stdlib.h> /* EXIT_FAILURE */
#include <unistd.h> /* file acces */
#include <string.h>
#include <dirent.h>
#include <sys/stat.h>
#include "rvs.h"
#include "plugin.h"
#include "plugin-parse.c"
/*#include "plugin-depend.c"*/
/* assume we're in rvs's libexecdir, where plugins are
now, load plugin plug_name,
whose configuration file is plugin_conf
*/
struct tree_list *
_plugin_load (const char *plug_name, const char *plugin_conf)
{
struct tree_list *plugin=xmalloc( sizeof(*plugin) );
plugin->node=stralloc(plug_name);
plugin->next=NULL;
plugin->child=NULL;
xchdir(plug_name);
FILE *file = xfopen(plugin_conf,"r");
struct tree_list **last=&plugin->child;
struct plugin_command *command;
while ( (command=_plugin_parse(file))!=NULL ) {
command->plugin=plugin;
struct tree_list *com=xmalloc( sizeof(*com) );
com->node=command;
*last=com;/* this sets the last's `next' */
last=&com->next;
}
fclose( file );
xchdir("..");
return plugin;
}
/* load all the plugins in libexecdir, using the config file plugin_conf */
struct tree_list *
load_plugins (const char *libexecdir, const char *plugin_conf)
{
struct tree_list *first=NULL;
struct tree_list **last=&first;
struct tree_list *plugin;
xchdir(libexecdir);
/* Yeah, I know this next bit is pretty ugly. */
DIR *cwd;
struct dirent *dirent;
int serr;
struct stat sbuf;
cwd = xopendir ("./");
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);
*last=plugin;/* this sets the last's `next' */
last=&plugin->next;
}
}
}
closedir (cwd);
xchdir("..");
return first;
}
#endif
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