On Tue, Jun 05, 2018 at 03:43:17PM -0600, Martin Sebor wrote:
> --- a/gcc/builtins.def
> +++ b/gcc/builtins.def
> @@ -733,6 +733,7 @@ DEF_EXT_LIB_BUILTIN (BUILT_IN_STRNCASECMP,
> "strncasecmp", BT_FN_INT_CONST_STR
> DEF_LIB_BUILTIN (BUILT_IN_STRNCAT, "strncat",
> BT_FN_STRING_STRING_CONST_STRING_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
> DEF_LIB_BUILTIN (BUILT_IN_STRNCMP, "strncmp",
> BT_FN_INT_CONST_STRING_CONST_STRING_SIZE, ATTR_PURE_NOTHROW_NONNULL_LEAF)
> DEF_LIB_BUILTIN (BUILT_IN_STRNCPY, "strncpy",
> BT_FN_STRING_STRING_CONST_STRING_SIZE, ATTR_RET1_NOTHROW_NONNULL_LEAF)
> +DEF_LIB_BUILTIN_CHKP (BUILT_IN_STRNLEN, "strnlen",
> BT_FN_SIZE_CONST_STRING_SIZE, ATTR_PURE_NOTHROW_NONNULL_LEAF)
strnlen isn't a C89, C99 nor C11 function, so I think it should be
DEF_EXT_LIB_BUILTIN like e.g. stpcpy, not DEF_LIB_BUILTIN.
And not really sure it is worth adding the CHKP stuff when it will be just
more work for Martin Liska to remove it again.
Jakub
