Author: pfg Date: Sat Dec 31 15:58:15 2016 New Revision: 310977 URL: https://svnweb.freebsd.org/changeset/base/310977
Log: Addition of clang nullability qualifiers. Add two new qualifiers for use by the static checkers: _Nonnull The _Nonnull nullability qualifier indicates that null is not a meaningful value for a value of the _Nonnull pointer type. _Nullable The _Nullable nullability qualifier indicates that a value of the _Nullable pointer type can be null. These were introduced in Clang 3.7. For more information, see: http://clang.llvm.org/docs/AttributeReference.html#nonnull We add these now without using them so that the GCC ports have time to pick up the header change. Hinted by: Android Bionic libc [1] Also seen in: Apple's Libc-1158.20.4 [1] https://github.com/android/platform_bionic/commit/baa2a973bd776a51bb05a8590ab05d86eea7b321 Modified: head/sys/sys/cdefs.h Modified: head/sys/sys/cdefs.h ============================================================================== --- head/sys/sys/cdefs.h Sat Dec 31 15:30:00 2016 (r310976) +++ head/sys/sys/cdefs.h Sat Dec 31 15:58:15 2016 (r310977) @@ -804,6 +804,14 @@ #endif /* + * Nullability qualifiers: currently only supported by Clang. + */ +#if !(defined(__clang__) && __has_feature(nullability)) +#define _Nonnull +#define _Nullable +#endif + +/* * Type Safety Checking * * Clang provides additional attributes to enable checking type safety _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
