From d0af224e6da2505601b9c068912903b3d32e37c6 Mon Sep 17 00:00:00 2001
From: "S. Christoffer Eliesen" <christoffer@eliesen.no>
Date: Thu, 19 Nov 2015 11:52:58 +0100
Subject: stringop: lenient_strcmp: Add.

---
 sway/stringop.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'sway')

diff --git a/sway/stringop.c b/sway/stringop.c
index 8d6cac2f..fe5a97ca 100644
--- a/sway/stringop.c
+++ b/sway/stringop.c
@@ -74,6 +74,19 @@ void strip_quotes(char *str) {
 	*end = '\0';
 }
 
+// strcmp that also handles null pointers.
+int lenient_strcmp(char *a, char *b) {
+	if (a == b) {
+		return 0;
+	} else if (!a) {
+		return -1;
+	} else if (!b) {
+		return 1;
+	} else {
+		return strcmp(a, b);
+	}
+}
+
 list_t *split_string(const char *str, const char *delims) {
 	list_t *res = create_list();
 	char *copy = strdup(str);
-- 
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