diff options
Diffstat (limited to 'src/include/c.h')
| -rw-r--r-- | src/include/c.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/include/c.h b/src/include/c.h index 4f16e589b3e..863a16c6a6c 100644 --- a/src/include/c.h +++ b/src/include/c.h @@ -145,6 +145,17 @@ #endif /* + * pg_attribute_nonnull means the compiler should warn if the function is + * called with the listed arguments set to NULL. If no arguments are + * listed, the compiler should warn if any pointer arguments are set to NULL. + */ +#if __has_attribute (nonnull) +#define pg_attribute_nonnull(...) __attribute__((nonnull(__VA_ARGS__))) +#else +#define pg_attribute_nonnull(...) +#endif + +/* * Append PG_USED_FOR_ASSERTS_ONLY to definitions of variables that are only * used in assert-enabled builds, to avoid compiler warnings about unused * variables in assert-disabled builds. |