mx_util: Add mx_free_null()

mariux · May 13, 2015 · 35a9ef6 · 35a9ef6
1 parent 8927398
commit 35a9ef6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/mx_util.h b/mx_util.h
@@ -1,9 +1,13 @@
 #ifndef __MX_UTIL_H__
 #define __MX_UTIL_H__ 1
 
+#include <stdlib.h>
 #include <stdint.h>
 #include <stdarg.h>
 
+#undef mx_free_null
+#define mx_free_null(a) do { free(a); (a) = NULL; } while(0)
+
 int mx_strbeginswith(char *str, const char *start, char **endptr);
 int mx_stribeginswith(char *str, const char *start, char **endptr);
 int mx_strbeginswithany(char *str, char **starts, char **endptr);