test: added configuration file reader

.gitignore

@@ -45,3 +45,4 @@ test/run_decoder
 test/read_tags
 test/run_encoder
 test/run_output
+test/read_conf

Makefile.am

@@ -576,12 +576,20 @@ sparse-check:
 if ENABLE_TEST
 
 noinst_PROGRAMS = \
+	test/read_conf \
 	test/run_decoder \
 	test/read_tags \
 	test/run_encoder \
 	test/run_output \
 	test/software_volume
 
+test_read_conf_CPPFLAGS = $(AM_CPPFLAGS) \
+	$(GLIB_CFLAGS)
+test_read_conf_LDADD = $(MPD_LIBS) \
+	$(GLIB_LIBS)
+test_read_conf_SOURCES = test/read_conf.c \
+	src/conf.c src/buffer2array.c src/utils.c
+
 test_run_decoder_CPPFLAGS = $(AM_CPPFLAGS) \
 	$(ID3TAG_CFLAGS) \
 	$(INPUT_CFLAGS) $(DECODER_CFLAGS)

test/read_conf.c

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "conf.h"
+
+#include <glib.h>
+
+#include <assert.h>
+
+static void
+my_log_func(G_GNUC_UNUSED const gchar *log_domain,
+	    GLogLevelFlags log_level,
+	    const gchar *message, G_GNUC_UNUSED gpointer user_data)
+{
+	if (log_level > G_LOG_LEVEL_WARNING)
+		return;
+
+	g_printerr("%s\n", message);
+}
+
+int main(int argc, char **argv)
+{
+	const char *path, *name, *value;
+	int ret;
+
+	if (argc != 3) {
+		g_printerr("Usage: read_conf FILE SETTING\n");
+		return 1;
+	}
+
+	path = argv[1];
+	name = argv[2];
+
+	g_log_set_default_handler(my_log_func, NULL);
+
+	config_global_init();
+	config_read_file(path);
+
+	value = config_get_string(name, NULL);
+	if (value != NULL) {
+		g_print("%s\n", value);
+		ret = 0;
+	} else {
+		g_printerr("No such setting: %s\n", name);
+		ret = 2;
+	}
+
+	config_global_finish();
+	return 0;
+}