diff options
Diffstat (limited to 'include/zix/attributes.h')
| -rw-r--r-- | include/zix/attributes.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/zix/attributes.h b/include/zix/attributes.h index 518e5fb..249e6a6 100644 --- a/include/zix/attributes.h +++ b/include/zix/attributes.h @@ -38,27 +38,32 @@ # define ZIX_PURE_FUNC __attribute__((pure)) # define ZIX_CONST_FUNC __attribute__((const)) # define ZIX_MALLOC_FUNC __attribute__((malloc)) +# define ZIX_NODISCARD __attribute__((warn_unused_result)) #else # define ZIX_ALWAYS_INLINE_FUNC ///< Should absolutely always be inlined # define ZIX_PURE_FUNC ///< Only reads memory # define ZIX_CONST_FUNC ///< Only reads its parameters -# define ZIX_MALLOC_FUNC ///< Allocates memory +# define ZIX_MALLOC_FUNC ///< Allocates memory with no pointers in it +# define ZIX_NODISCARD ///< Returns a value that must be used #endif /// A pure function in the public API that only reads memory #define ZIX_PURE_API \ ZIX_API \ - ZIX_PURE_FUNC + ZIX_PURE_FUNC \ + ZIX_NODISCARD /// A const function in the public API that is pure and only reads parameters #define ZIX_CONST_API \ ZIX_API \ - ZIX_CONST_FUNC + ZIX_CONST_FUNC \ + ZIX_NODISCARD /// A malloc function in the public API that returns allocated memory #define ZIX_MALLOC_API \ ZIX_API \ - ZIX_MALLOC_FUNC + ZIX_MALLOC_FUNC \ + ZIX_NODISCARD // Printf-like format functions #ifdef __GNUC__ |