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/*
* Copyright © 2010 Codethink Limited
* Copyright © 2012 Canonical Limited
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the licence, 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*
* Author: Ryan Lortie <desrt@desrt.ca>
*/
#include "dconf-engine.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "dconf-engine-source.h"
static DConfEngineSource **
dconf_engine_null_profile (gint *n_sources)
{
*n_sources = 0;
return NULL;
}
static DConfEngineSource **
dconf_engine_default_profile (gint *n_sources)
{
DConfEngineSource **sources;
sources = g_new (DConfEngineSource *, 1);
sources[0] = dconf_engine_source_new ("user-db:user");
*n_sources = 1;
return sources;
}
static DConfEngineSource **
dconf_engine_read_profile_file (FILE *file,
gint *n_sources)
{
DConfEngineSource **sources;
gchar line[80];
gint n = 0, a;
sources = g_new (DConfEngineSource *, (a = 16));
while (fgets (line, sizeof line, file))
{
DConfEngineSource *source;
gchar *end;
end = strchr (line, '\n');
if (end == NULL)
{
g_warning ("ignoring long or unterminated line in dconf profile");
/* skip until we find the newline or EOF */
while (fgets (line, sizeof line, file) && !strchr (line, '\n'));
continue;
}
if (end == line)
continue;
if (line[0] == '#')
continue;
*end = '\0';
source = dconf_engine_source_new (line);
if (source != NULL)
{
if (n == a)
sources = g_renew (DConfEngineSource *, sources, a *= 2);
sources[n++] = source;
}
}
return sources;
}
DConfEngineSource **
dconf_engine_profile_get_default (gint *n_sources)
{
DConfEngineSource **sources;
const gchar *profile;
FILE *file;
profile = getenv ("DCONF_PROFILE");
if (profile == NULL)
return dconf_engine_default_profile (n_sources);
if (profile[0] != '/')
{
gchar *filename = g_build_filename ("/etc/dconf/profile", profile, NULL);
file = fopen (filename, "r");
g_free (filename);
}
else
file = fopen (profile, "r");
if (file != NULL)
{
sources = dconf_engine_read_profile_file (file, n_sources);
fclose (file);
}
else
{
g_warning ("unable to open named profile (%s): using the null configuration.", profile);
sources = dconf_engine_null_profile (n_sources);
}
return sources;
}
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