Fix assert when used as an expression

Based on what musl does.
2018-10-27 17:40:24 +02:00
parent bfa068df88
commit e7f251fdb0
3 changed files with 8 additions and 5 deletions
@@ -2,11 +2,10 @@
 #define _BITS_ASSERT_H

 #ifdef NDEBUG
-# define assert(cond)
+# define assert(cond) (void) 0
 #else
-# define assert(cond) if (!(cond)) { \
-    __assert(__func__, __FILE__, __LINE__, #cond); \
-  }
+# define assert(cond) \
+  ((void)((cond) || (__assert(__func__, __FILE__, __LINE__, #cond), 0)))
 #endif

 #endif