/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-provider.c: provider framework */

/*
 *
 * Authors:
 *  Bertrand Guiheneuf <bertrand@helixcode.com>
 *  Dan Winship <danw@ximian.com>
 *  Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright 1999, 2000 Ximian, Inc. (www.ximian.com)
 *
 * This program 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 of the
 * License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */


/* FIXME: Shouldn't we add a version number to providers ? */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>

#include <gmodule.h>

#include "camel-provider.h"
#include "camel-exception.h"
#include "hash-table-utils.h"

/**
 * camel_provider_init:
 *
 * Initialize the Camel provider system by reading in the .urls
 * files in the provider directory and creating a hash table mapping
 * URLs to module names.
 *
 * A .urls file has the same initial prefix as the shared library it
 * correspond to, and consists of a series of lines containing the URL
 * protocols that that library handles.
 *
 * Return value: a hash table mapping URLs to module names
 **/
GHashTable *
camel_provider_init (void)
{
	GHashTable *providers;
	DIR *dir;
	struct dirent *d;
	char *p, *name, buf[80];
	
	providers = g_hash_table_new (g_strcase_hash, g_strcase_equal);

	dir = opendir (CAMEL_PROVIDERDIR);
	if (!dir) {
		g_error ("Could not open camel provider directory: %s",
			 g_strerror (errno));
		return NULL;
	}

	while ((d = readdir (dir))) {
		FILE *fp;
		
		p = strchr (d->d_name, '.');
		if (!p || strcmp (p, ".urls") != 0)
			continue;

		name = g_strdup_printf ("%s/%s", CAMEL_PROVIDERDIR, d->d_name);
		fp = fopen (name, "r");
		if (!fp) {
			g_warning ("Could not read provider info file %s: %s",
				   name, g_strerror (errno));
			g_free (name);
			continue;
		}
		
		p = strrchr (name, '.');
		strcpy (p, ".so");
		while ((fgets (buf, sizeof (buf), fp))) {
			buf[sizeof (buf) - 1] = '\0';
			p = strchr (buf, '\n');
			if (p)
				*p = '\0';
			
			if (*buf)
				g_hash_table_insert (providers, g_strdup (buf), g_strdup (name));
		}
		
		g_free (name);
		fclose (fp);
	}

	closedir (dir);
	return providers;
}

/**
 * camel_provider_load:
 * @session: the current session
 * @path: the path to a shared library
 * @ex: a CamelException
 *
 * Loads the provider at @path, and calls its initialization function,
 * passing @session as an argument. The provider should then register
 * itself with @session.
 **/ 
void
camel_provider_load (CamelSession *session, const char *path, CamelException *ex)
{
	GModule *module;
	CamelProvider *(*camel_provider_module_init) ();

	if (!g_module_supported ()) {
		camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
				      _("Could not load %s: Module loading "
				      "not supported on this system."),
				      path);
		return;
	}

	module = g_module_open (path, 0);
	if (!module) {
		camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
				      _("Could not load %s: %s"),
				      path, g_module_error ());
		return;
	}

	if (!g_module_symbol (module, "camel_provider_module_init",
			      (gpointer *)&camel_provider_module_init)) {
		camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
				      _("Could not load %s: No initialization "
					"code in module."), path);
		g_module_close (module);
		return;
	}

	camel_provider_module_init (session);
}
n/devel/electron6/files/serve-10.1.2'>dependabot/npm_and_yarn/devel/electron6/files/serve-10.1.2</option>
<option value='gnome-3.22'>gnome-3.22</option>
<option value='gnome-3.24'>gnome-3.24</option>
<option value='gnome-3.26'>gnome-3.26</option>
<option value='gnome-3.28'>gnome-3.28</option>
<option value='gnome-3.32'>gnome-3.32</option>
<option value='gnome-3.36'>gnome-3.36</option>
<option value='gstreamer'>gstreamer</option>
<option value='gstreamer-1.16'>gstreamer-1.16</option>
<option value='gstreamer0.10-removal'>gstreamer0.10-removal</option>
<option value='main'>main</option>
<option value='master'>master</option>
<option value='mate-1.16' selected='selected'>mate-1.16</option>
<option value='mate-1.18'>mate-1.18</option>
<option value='mate-1.20'>mate-1.20</option>
<option value='mate-1.22'>mate-1.22</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>FreeBSD GNOME current development ports (https://github.com/freebsd/freebsd-ports-gnome)</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/about/?h=mate-1.16'>about</a><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/?h=mate-1.16'>summary</a><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/refs/?h=mate-1.16&amp;id=1fd55b2ba6afdf13ef916dfc2cc5d168776be840'>refs</a><a class='active' href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/security/dazuko/pkg-install?h=mate-1.16'>log</a><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/tree/security/dazuko/pkg-install?h=mate-1.16&amp;id=1fd55b2ba6afdf13ef916dfc2cc5d168776be840'>tree</a><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/commit/security/dazuko/pkg-install?h=mate-1.16&amp;id=1fd55b2ba6afdf13ef916dfc2cc5d168776be840'>commit</a><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/diff/security/dazuko/pkg-install?h=mate-1.16&amp;id=1fd55b2ba6afdf13ef916dfc2cc5d168776be840'>diff</a><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/stats/security/dazuko/pkg-install?h=mate-1.16'>stats</a></td><td class='form'><form class='right' method='get' action='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/security/dazuko/pkg-install'>
<input type='hidden' name='h' value='mate-1.16'/><input type='hidden' name='id' value='1fd55b2ba6afdf13ef916dfc2cc5d168776be840'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/?h=mate-1.16&amp;id=1fd55b2ba6afdf13ef916dfc2cc5d168776be840'>root</a>/<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/security?h=mate-1.16&amp;id=1fd55b2ba6afdf13ef916dfc2cc5d168776be840'>security</a>/<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/security/dazuko?h=mate-1.16&amp;id=1fd55b2ba6afdf13ef916dfc2cc5d168776be840'>dazuko</a>/<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/security/dazuko/pkg-install?h=mate-1.16&amp;id=1fd55b2ba6afdf13ef916dfc2cc5d168776be840'>pkg-install</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th></th><th class='left'>Commit message (<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports-gnome/log/security/dazuko/pkg-install?h=mate-1.16&amp;id=1fd55b2ba6afdf13ef916dfc2cc5d168776be840&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Age</th><th class='left'>Files</th><th class='left'>Lines</th></tr>