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i3bar/include/util.h

@@ -0,0 +1,22 @@
+#ifndef UTIL_H_
+#define UTIL_H_
+
+/* Securely free p */
+#define FREE(p) do { \
+	if (p != NULL) { \
+		free(p); \
+		p = NULL; \
+	} \
+} while (0)
+
+/* Securely fee single-linked list */
+#define FREE_LIST(l, type) do { \
+	type* FREE_LIST_TMP; \
+	while (l != NULL) { \
+		FREE_LIST_TMP = l; \
+		free(l); \
+		l = l->next; \
+	} \
+} while (0)
+
+#endif