src/common.h: Make sfree() usable like a function.

[collectd.git] / src / common.h

diff --git a/src/common.h b/src/common.h
index e99aea6..9e7e4aa 100644 (file)
--- a/src/common.h
+++ b/src/common.h
@@ -31,10 +31,12 @@
 #endif
 
 #define sfree(ptr) \
-       if((ptr) != NULL) { \
-               free(ptr); \
-       } \
-       (ptr) = NULL
+       do { \
+               if((ptr) != NULL) { \
+                       free(ptr); \
+               } \
+               (ptr) = NULL; \
+       } while (0)
 
 #define STATIC_ARRAY_SIZE(a) (sizeof (a) / sizeof (*(a)))