diff options
Diffstat (limited to 'internal.h')
| -rw-r--r-- | internal.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/internal.h b/internal.h index 8b9701c597..2e88324f0c 100644 --- a/internal.h +++ b/internal.h @@ -40,6 +40,14 @@ extern "C" { #define UNINITIALIZED_VAR(x) x #endif +#if __has_attribute(warn_unused_result) +#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result)) +#elif defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 3004 +#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result)) +#else +#define WARN_UNUSED_RESULT(x) x +#endif + #ifdef HAVE_VALGRIND_MEMCHECK_H # include <valgrind/memcheck.h> # ifndef VALGRIND_MAKE_MEM_DEFINED |