diff options
| -rw-r--r-- | NEWS | 8 | ||||
| -rw-r--r-- | posix/sys/types.h | 16 | ||||
| -rwxr-xr-x | scripts/check-obsolete-constructs.py | 1 |
3 files changed, 17 insertions, 8 deletions
@@ -26,6 +26,14 @@ Deprecated and removed features, and other changes affecting compatibility: definitions in libc will be used automatically, which have been available since glibc 2.17. +* The typedefs u_int8_t, u_int16_t, u_int32_t, u_int64_t, and register_t + are no longer defined by <sys/types.h> in strict conformance modes. + These types were historically provided by <sys/types.h> on BSD systems, + but are not part of the POSIX specification for that header. Applications + requiring fixed-width unsigned integer types should use the similarly + named uint8_t, uint16_t, etc. from <stdint.h>. There is no standardized + replacement for register_t. + Changes to build and runtime requirements: * GCC 6.2 or later is required to build the GNU C Library. diff --git a/posix/sys/types.h b/posix/sys/types.h index 1bbd896ad4..7327904346 100644 --- a/posix/sys/types.h +++ b/posix/sys/types.h @@ -143,18 +143,20 @@ typedef __suseconds_t suseconds_t; #define __need_size_t #include <stddef.h> +/* POSIX does not require intN_t to be defined in this header, so + technically this ought to be under __USE_MISC, but it doesn't + forbid them to be defined here either, and much existing code + expects them to be defined here. */ +#include <bits/stdint-intn.h> + #ifdef __USE_MISC /* Old compatibility names for C types. */ typedef unsigned long int ulong; typedef unsigned short int ushort; typedef unsigned int uint; -#endif - -/* These size-specific names are used by some of the inet code. */ -#include <bits/stdint-intn.h> - -/* These were defined by ISO C without the first `_'. */ +/* These size-specific names are used by some of the inet code. + They were defined by ISO C without the first `_'. */ typedef __uint8_t u_int8_t; typedef __uint16_t u_int16_t; typedef __uint32_t u_int32_t; @@ -167,8 +169,6 @@ typedef __register_t register_t; defined. */ #define __BIT_TYPES_DEFINED__ 1 - -#ifdef __USE_MISC /* In BSD <sys/types.h> is expected to define BYTE_ORDER. */ # include <endian.h> diff --git a/scripts/check-obsolete-constructs.py b/scripts/check-obsolete-constructs.py index 46535afcac..4317aa320d 100755 --- a/scripts/check-obsolete-constructs.py +++ b/scripts/check-obsolete-constructs.py @@ -254,6 +254,7 @@ class NoCheck(ConstructChecker): OBSOLETE_TYPE_RE_ = re.compile(r"""\A (__)? ( quad_t + | register_t | u(?: short | int | long | _(?: char | short | int(?:[0-9]+_t)? | long | quad_t ))) \Z""", re.VERBOSE) |