silence a compiler warning

diff --git a/tools-util.h b/tools-util.h
index 8451b117e5799f5efc852c6d2c3fc1f99610fc4d..732c5108272cf3877ce5e7ebee28b3ed1bb643fd 100644 (file)
--- a/tools-util.h
+++ b/tools-util.h
@@ -26,7 +26,9 @@ do {                                                                  \
 #define mprintf(...)                                                   \
 ({                                                                     \
        char *_str;                                                     \
-       asprintf(&_str, __VA_ARGS__);                                   \
+       int ret = asprintf(&_str, __VA_ARGS__);                         \
+       if (ret < 0)                                                    \
+               die("insufficient memory");                             \
        _str;                                                           \
 })