diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libc-internal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/libc-internal.h b/include/libc-internal.h index 78f82da58a..2ced1c17d3 100644 --- a/include/libc-internal.h +++ b/include/libc-internal.h @@ -70,4 +70,10 @@ extern void __init_misc (int, char **, char **); #define PTR_ALIGN_UP(base, size) \ ((__typeof__ (base)) ALIGN_UP ((uintptr_t) (base), (size))) +/* Ignore the value of an expression when a cast to void does not + suffice (in particular, for a call to a function declared with + attribute warn_unused_result). */ +#define ignore_value(x) \ + ({ __typeof__ (x) __ignored_value = (x); (void) __ignored_value; }) + #endif /* _LIBC_INTERNAL */ |