summaryrefslogtreecommitdiff
path: root/src/server_set.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/server_set.c')
-rw-r--r--src/server_set.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/server_set.c b/src/server_set.c
new file mode 100644
index 0000000..07fa069
--- /dev/null
+++ b/src/server_set.c
@@ -0,0 +1,48 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003-2007 jeremian <jeremian [at] poczta.fm>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <assert.h>
+
+#include "string_functions.h"
+
+/*
+ * Function name: set_value
+ * Description: If the variable has no value, set it from the given string.
+ * If the given string is NULL, use default value.
+ * Arguments: dest - the destination variable
+ * from - the given string
+ * def - the default value
+ */
+
+void
+set_value(char** dest, char* from, char* def)
+{
+ assert(dest != NULL);
+
+ if ((*dest) == NULL) {
+ if (from != NULL) {
+ string_cp(dest, from);
+ }
+ else {
+ (*dest) = def;
+ }
+ }
+}