84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2019 Canonical Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "cc-os-release.h"
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gchar *
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cc_os_release_get_value (const gchar *key)
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{
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g_autoptr(GHashTable) values = NULL;
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values = cc_os_release_get_values ();
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if (values == NULL)
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return NULL;
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return g_strdup (g_hash_table_lookup (values, key));
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}
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GHashTable *
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cc_os_release_get_values (void)
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{
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g_autoptr(GHashTable) values = NULL;
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g_autofree gchar *buffer = NULL;
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g_auto(GStrv) lines = NULL;
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int i;
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g_autoptr(GError) error = NULL;
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values = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
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if (!g_file_get_contents ("/etc/os-release", &buffer, NULL, &error))
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{
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if (!g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
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return NULL;
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if (!g_file_get_contents ("/usr/lib/os-release", &buffer, NULL, NULL))
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return NULL;
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}
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/* Default values in spec */
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g_hash_table_insert (values, g_strdup ("NAME"), g_strdup ("Linux"));
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g_hash_table_insert (values, g_strdup ("ID"), g_strdup ("Linux"));
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g_hash_table_insert (values, g_strdup ("PRETTY_NAME"), g_strdup ("Linux"));
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lines = g_strsplit (buffer, "\n", -1);
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for (i = 0; lines[i] != NULL; i++)
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{
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gchar *line = lines[i];
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g_auto(GStrv) tokens = NULL;
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const gchar *key, *value;
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g_autofree gchar *unquoted_value = NULL;
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/* Skip comments */
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if (g_str_has_prefix (line, "#"))
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continue;
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tokens = g_strsplit (line, "=", 2);
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if (g_strv_length (tokens) < 2)
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continue;
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key = tokens[0];
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value = tokens[1];
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unquoted_value = g_shell_unquote (value, NULL);
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if (unquoted_value != NULL)
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value = unquoted_value;
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g_hash_table_insert (values, g_strdup (key), g_strdup (value));
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}
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return g_steal_pointer (&values);
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}
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