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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2019 Canonical Ltd.
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "cc-os-release.h"
gchar *
cc_os_release_get_value (const gchar *key)
{
g_autoptr(GHashTable) values = NULL;
values = cc_os_release_get_values ();
if (values == NULL)
return NULL;
return g_strdup (g_hash_table_lookup (values, key));
}
GHashTable *
cc_os_release_get_values (void)
{
g_autoptr(GHashTable) values = NULL;
g_autofree gchar *buffer = NULL;
g_auto(GStrv) lines = NULL;
int i;
g_autoptr(GError) error = NULL;
values = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
if (!g_file_get_contents ("/etc/os-release", &buffer, NULL, &error))
{
if (!g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
return NULL;
if (!g_file_get_contents ("/usr/lib/os-release", &buffer, NULL, NULL))
return NULL;
}
/* Default values in spec */
g_hash_table_insert (values, g_strdup ("NAME"), g_strdup ("Linux"));
g_hash_table_insert (values, g_strdup ("ID"), g_strdup ("Linux"));
g_hash_table_insert (values, g_strdup ("PRETTY_NAME"), g_strdup ("Linux"));
lines = g_strsplit (buffer, "\n", -1);
for (i = 0; lines[i] != NULL; i++)
{
gchar *line = lines[i];
g_auto(GStrv) tokens = NULL;
const gchar *key, *value;
g_autofree gchar *unquoted_value = NULL;
/* Skip comments */
if (g_str_has_prefix (line, "#"))
continue;
tokens = g_strsplit (line, "=", 2);
if (g_strv_length (tokens) < 2)
continue;
key = tokens[0];
value = tokens[1];
unquoted_value = g_shell_unquote (value, NULL);
if (unquoted_value != NULL)
value = unquoted_value;
g_hash_table_insert (values, g_strdup (key), g_strdup (value));
}
return g_steal_pointer (&values);
}
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