X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=blobdiff_plain;f=adu.c;h=6d4780e3bff9937eea053413ca6db82f2b14bd76;hp=68a48deea7a8a186511a1023fc7ee3bdba044977;hb=61a9284a7dbcffd2a770135d5f2482ae10459ab9;hpb=e505632b96561200b3d5d308b14b853d48952aab

diff --git a/adu.c b/adu.c
index 68a48de..6d4780e 100644
--- a/adu.c
+++ b/adu.c
@@ -165,14 +165,24 @@ void check_signals(void)
 	exit(EXIT_FAILURE);
 }
 
+static int catch_signal(int sig)
+{
+	struct sigaction act;
+
+	act.sa_handler = signal_handler;
+	sigemptyset(&act.sa_mask);
+	act.sa_flags = 0;
+	return sigaction(sig, &act, NULL);
+}
+
 static int init_signals(void)
 {
-	if (signal(SIGINT, &signal_handler) == SIG_ERR)
-		return -E_SIGNAL_SIG_ERR;
-	if (signal(SIGTERM, &signal_handler) == SIG_ERR)
-		return -E_SIGNAL_SIG_ERR;
-	if (signal(SIGPIPE, &signal_handler) == SIG_ERR)
-		return -E_SIGNAL_SIG_ERR;
+	if (catch_signal(SIGINT) < 0)
+		return -E_SIGACTION;
+	if (catch_signal(SIGTERM) < 0)
+		return -E_SIGACTION;
+	if (catch_signal(SIGPIPE) < 0)
+		return -E_SIGACTION;
 	return 1;
 }
 
@@ -259,6 +269,27 @@ static void print_complete_help_and_die(void)
 	exit(EXIT_FAILURE);
 }
 
+static void get_database_dir_or_die(void)
+{
+	char *tmp;
+
+	if (conf.database_dir_given)
+		tmp = adu_strdup(conf.database_dir_arg);
+	else
+		tmp = make_message("%s%s",
+			conf.database_root_arg, conf.base_dir_arg);
+	/*
+	 * As we change the cwd during database creation, database_dir
+	 * must be an absolute path.
+	 */
+	database_dir = absolute_path(tmp);
+	free(tmp);
+	if (database_dir)
+		return;
+	EMERG_LOG("failed to get absolute path of database dir\n");
+	exit(EXIT_FAILURE);
+}
+
 /**
  * The main function of adu.
  *
@@ -300,12 +331,7 @@ int main(int argc, char **argv)
 	ret = init_signals();
 	if (ret < 0)
 		goto out;
-	ret = -E_SYNTAX;
-	if (conf.database_dir_given)
-		database_dir = adu_strdup(conf.database_dir_arg);
-	else
-		database_dir = make_message("%s%s",
-			conf.database_root_arg, conf.base_dir_arg);
+	get_database_dir_or_die();
 	if (conf.select_given)
 		ret = com_select();
 	else if (conf.create_given)