Commit 6bd47f44 authored by Paul Eggert's avatar Paul Eggert

Update from Gnulib

This incorporates:
2020-05-03 attribute: new module
2020-04-13 explicit_bzero: improve code style
2020-04-13 explicit_bzero: On native Windows, use SecureZeroMemory
2020-04-13 explicit_bzero: use memset_s() when available
2020-04-04 maint: remove a stray inter-word space
* build-aux/config.guess, build-aux/config.sub:
* build-aux/gitlog-to-changelog, build-aux/update-copyright:
* doc/misc/texinfo.tex, lib/explicit_bzero.c, lib/ieee754.in.h:
* lib/nstrftime.c, m4/explicit_bzero.m4, m4/gnulib-common.m4:
Copy from Gnulib.
* lib/attribute.h: New file, copied from Gnulib.
* lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate.
parent 40149b87
......@@ -2,7 +2,7 @@
# Attempt to guess a canonical system name.
# Copyright 1992-2020 Free Software Foundation, Inc.
timestamp='2020-01-01'
timestamp='2020-04-26'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
......@@ -1629,6 +1629,12 @@ copies of config.guess and config.sub with the latest versions from:
https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
and
https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
EOF
year=`echo $timestamp | sed 's,-.*,,'`
# shellcheck disable=SC2003
if test "`expr "\`date +%Y\`" - "$year"`" -lt 3 ; then
cat >&2 <<EOF
If $0 has already been updated, send the following data and any
information you think might be pertinent to config-patches@gnu.org to
......@@ -1656,6 +1662,7 @@ UNAME_RELEASE = "$UNAME_RELEASE"
UNAME_SYSTEM = "$UNAME_SYSTEM"
UNAME_VERSION = "$UNAME_VERSION"
EOF
fi
exit 1
......
......@@ -2,7 +2,7 @@
# Configuration validation subroutine script.
# Copyright 1992-2020 Free Software Foundation, Inc.
timestamp='2020-01-01'
timestamp='2020-04-24'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
......@@ -1366,7 +1366,7 @@ case $os in
| skyos* | haiku* | rdos* | toppers* | drops* | es* \
| onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
| midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
| nsk* | powerunix)
| nsk* | powerunix*)
# Remember, each alternative MUST END IN *, to match a version number.
;;
qnx*)
......
......@@ -31,11 +31,11 @@
# are valid code in both sh and perl. When executed by sh, they re-execute
# the script through the perl program found in $PATH. The '-x' option
# is essential as well; without it, perl would re-execute the script
# through /bin/sh. When executed by perl, the next two lines are a no-op.
# through /bin/sh. When executed by perl, the next two lines are a no-op.
eval 'exec perl -wSx "$0" "$@"'
if 0;
my $VERSION = '2018-03-07 03:47'; # UTC
my $VERSION = '2020-04-04 15:07'; # UTC
# The definition above must lie within the first 8 lines in order
# for the Emacs time-stamp write hook (at end) to update it.
# If you change this file with Emacs, please let the write hook
......
......@@ -133,11 +133,11 @@
# are valid code in both sh and perl. When executed by sh, they re-execute
# the script through the perl program found in $PATH. The '-x' option
# is essential as well; without it, perl would re-execute the script
# through /bin/sh. When executed by perl, the next two lines are a no-op.
# through /bin/sh. When executed by perl, the next two lines are a no-op.
eval 'exec perl -wSx -0777 -pi "$0" "$@"'
if 0;
my $VERSION = '2018-03-07.03:47'; # UTC
my $VERSION = '2020-04-04.15:07'; # UTC
# The definition above must lie within the first 8 lines in order
# for the Emacs time-stamp write hook (at end) to update it.
# If you change this file with Emacs, please let the write hook
......
......@@ -3,7 +3,7 @@
% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
\def\texinfoversion{2020-02-11.09}
\def\texinfoversion{2020-05-02.00}
%
% Copyright 1985, 1986, 1988, 1990-2019 Free Software Foundation, Inc.
%
......@@ -349,34 +349,19 @@
\ifodd\pageno \advance\hoffset by \bindingoffset
\else \advance\hoffset by -\bindingoffset\fi
%
\checkchapterpage
%
% Retrieve the information for the headings from the marks in the page,
% and call Plain TeX's \makeheadline and \makefootline, which use the
% values in \headline and \footline.
%
% This is used to check if we are on the first page of a chapter.
\ifcase1\the\savedtopmark\fi
\let\prevchaptername\thischaptername
\ifcase0\firstmark\fi
\let\curchaptername\thischaptername
%
\ifodd\pageno \getoddheadingmarks \else \getevenheadingmarks \fi
%
\ifx\curchaptername\prevchaptername
\let\thischapterheading\thischapter
\else
% \thischapterheading is the same as \thischapter except it is blank
% for the first page of a chapter. This is to prevent the chapter name
% being shown twice.
\def\thischapterheading{}%
\fi
%
% Common context changes for both heading and footing.
% Do this outside of the \shipout so @code etc. will be expanded in
% the headline as they should be, not taken literally (outputting ''code).
\def\commonheadfootline{\let\hsize=\txipagewidth \texinfochars}
%
\ifodd\pageno \getoddheadingmarks \else \getevenheadingmarks \fi
\global\setbox\headlinebox = \vbox{\commonheadfootline \makeheadline}%
%
\ifodd\pageno \getoddfootingmarks \else \getevenfootingmarks \fi
\global\setbox\footlinebox = \vbox{\commonheadfootline \makefootline}%
%
......@@ -423,6 +408,24 @@
\ifr@ggedbottom \kern-\dimen@ \vfil \fi}
}
% Check if we are on the first page of a chapter.
\def\checkchapterpage{%
% Get the chapter that was current at the end of the last page
\ifcase1\the\savedtopmark\fi
\let\prevchaptername\thischaptername
%
\ifodd\pageno \getoddheadingmarks \else \getevenheadingmarks \fi
\let\curchaptername\thischaptername
%
\ifx\curchaptername\prevchaptername
\let\thischapterheading\thischapter
\else
% \thischapterheading is the same as \thischapter except it is blank
% for the first page of a chapter. This is to prevent the chapter name
% being shown twice.
\def\thischapterheading{}%
\fi
}
% Argument parsing
......@@ -3101,10 +3104,10 @@
% Allow a ragged right output to aid breaking long URL's. There can
% be a break at the \allowbreak with no extra glue (if the existing stretch in
% the line is sufficent), a break at the \penalty100 with extra glue added
% the line is sufficient), a break at the \penalty100 with extra glue added
% at the end of the line, or no break at all here.
% Changing the value of the penalty and/or the amount of stretch affects how
% preferrable one choice is over the other.
% preferable one choice is over the other.
\def\urefallowbreak{%
\allowbreak
\hskip 0pt plus 2 em\relax
......
/* ATTRIBUTE_* macros for using attributes in GCC and similar compilers
Copyright 2020 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
/* Provide public ATTRIBUTE_* names for the private _GL_ATTRIBUTE_*
macros used within Gnulib. */
#ifndef _GL_ATTRIBUTE_H
#define _GL_ATTRIBUTE_H
/* C2X standard attributes have macro names that do not begin with
'ATTRIBUTE_'. */
#define DEPRECATED _GL_ATTRIBUTE_DEPRECATED
#define FALLTHROUGH _GL_ATTRIBUTE_FALLTHROUGH
#define MAYBE_UNUSED _GL_ATTRIBUTE_MAYBE_UNUSED
#define NODISCARD _GL_ATTRIBUTE_NODISCARD
/* Selected GCC attributes; see:
https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html
These names begin with 'ATTRIBUTE_' to avoid name clashes. */
#define ATTRIBUTE_ALLOC_SIZE(args) _GL_ATTRIBUTE_ALLOC_SIZE(args)
#define ATTRIBUTE_ALWAYS_INLINE _GL_ATTRIBUTE_ALWAYS_INLINE
#define ATTRIBUTE_ARTIFICIAL _GL_ATTRIBUTE_ARTIFICIAL
#define ATTRIBUTE_COLD _GL_ATTRIBUTE_COLD
#define ATTRIBUTE_CONST _GL_ATTRIBUTE_CONST
#define ATTRIBUTE_DEPRECATED _GL_ATTRIBUTE_DEPRECATED
#define ATTRIBUTE_ERROR(msg) _GL_ATTRIBUTE_ERROR(msg)
#define ATTRIBUTE_EXTERNALLY_VISIBLE _GL_ATTRIBUTE_EXTERNALLY_VISIBLE
#define ATTRIBUTE_FORMAT(spec) _GL_ATTRIBUTE_FORMAT(spec)
#define ATTRIBUTE_LEAF _GL_ATTRIBUTE_LEAF
#define ATTRIBUTE_MAY_ALIAS _GL_ATTRIBUTE_MAY_ALIAS
#define ATTRIBUTE_MALLOC _GL_ATTRIBUTE_MALLOC
#define ATTRIBUTE_NOINLINE _GL_ATTRIBUTE_NOINLINE
#define ATTRIBUTE_NONNULL(args) _GL_ATTRIBUTE_NONNULL(args)
#define ATTRIBUTE_NONSTRING _GL_ATTRIBUTE_NONSTRING
#define ATTRIBUTE_NOTHROW _GL_ATTRIBUTE_NOTHROW
#define ATTRIBUTE_PACKED _GL_ATTRIBUTE_PACKED
#define ATTRIBUTE_PURE _GL_ATTRIBUTE_PURE
#define ATTRIBUTE_RETURNS_NONNULL _GL_ATTRIBUTE_RETURNS_NONNULL
#define ATTRIBUTE_SENTINEL(pos) _GL_ATTRIBUTE_SENTINEL(pos)
#define ATTRIBUTE_WARNING(msg) _GL_ATTRIBUTE_WARNING(msg)
#endif /* _GL_ATTRIBUTE_H */
......@@ -25,8 +25,18 @@
# include <config.h>
#endif
/* memset_s need this define */
#if HAVE_MEMSET_S
# define __STDC_WANT_LIB_EXT1__ 1
#endif
#include <string.h>
#if defined _WIN32 && !defined __CYGWIN__
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif
#if _LIBC
/* glibc-internal users use __explicit_bzero_chk, and explicit_bzero
redirects to that. */
......@@ -38,8 +48,12 @@
void
explicit_bzero (void *s, size_t len)
{
#ifdef HAVE_EXPLICIT_MEMSET
explicit_memset (s, 0, len);
#if defined _WIN32 && !defined __CYGWIN__
(void) SecureZeroMemory (s, len);
#elif HAVE_EXPLICIT_MEMSET
explicit_memset (s, '\0', len);
#elif HAVE_MEMSET_S
(void) memset_s (s, len, '\0', len);
#else
memset (s, '\0', len);
# if defined __GNUC__ && !defined __clang__
......
......@@ -1122,6 +1122,7 @@ pdfdir = @pdfdir@
prefix = @prefix@
program_transform_name = @program_transform_name@
psdir = @psdir@
runstatedir = @runstatedir@
sbindir = @sbindir@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
......@@ -1208,6 +1209,15 @@ endif
endif
## end gnulib module at-internal
## begin gnulib module attribute
ifeq (,$(OMIT_GNULIB_MODULE_attribute))
EXTRA_DIST += attribute.h
endif
## end gnulib module attribute
## begin gnulib module binary-io
ifeq (,$(OMIT_GNULIB_MODULE_binary-io))
......
......@@ -67,7 +67,7 @@ union ieee754_float
#endif /* Little endian. */
} ieee;
/* This format makes it easier to see if a NaN is a signaling NaN. */
/* This format makes it easier to see if a NaN is a signalling NaN. */
struct
{
#if __BYTE_ORDER == __BIG_ENDIAN
......@@ -118,7 +118,7 @@ union ieee754_double
#endif /* Little endian. */
} ieee;
/* This format makes it easier to see if a NaN is a signaling NaN. */
/* This format makes it easier to see if a NaN is a signalling NaN. */
struct
{
#if __BYTE_ORDER == __BIG_ENDIAN
......
......@@ -68,16 +68,9 @@ extern char *tzname[];
#include <string.h>
#include <stdbool.h>
#include "attribute.h"
#include <intprops.h>
#ifndef FALLTHROUGH
# if __GNUC__ < 7
# define FALLTHROUGH ((void) 0)
# else
# define FALLTHROUGH __attribute__ ((__fallthrough__))
# endif
#endif
#ifdef COMPILE_WIDE
# include <endian.h>
# define CHAR_T wchar_t
......
......@@ -19,4 +19,5 @@ AC_DEFUN([gl_FUNC_EXPLICIT_BZERO],
AC_DEFUN([gl_PREREQ_EXPLICIT_BZERO],
[
AC_CHECK_FUNCS([explicit_memset])
AC_CHECK_FUNCS_ONCE([memset_s])
])
# gnulib-common.m4 serial 48
# gnulib-common.m4 serial 49
dnl Copyright (C) 2007-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
......@@ -15,6 +15,15 @@ AC_DEFUN([gl_COMMON], [
AC_REQUIRE([gl_ZZGNULIB])
])
AC_DEFUN([gl_COMMON_BODY], [
AH_VERBATIM([_GL_GNUC_PREREQ],
[/* True if the compiler says it groks GNU C version MAJOR.MINOR. */
#if defined __GNUC__ && defined __GNUC_MINOR__
# define _GL_GNUC_PREREQ(major, minor) \
((major) < __GNUC__ + ((minor) <= __GNUC_MINOR__))
#else
# define _GL_GNUC_PREREQ(major, minor) 0
#endif
])
AH_VERBATIM([_Noreturn],
[/* The _Noreturn keyword of C11. */
#ifndef _Noreturn
......@@ -31,12 +40,12 @@ AC_DEFUN([gl_COMMON_BODY], [
# define _Noreturn [[noreturn]]
# elif ((!defined __cplusplus || defined __clang__) \
&& (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \
|| 4 < __GNUC__ + (7 <= __GNUC_MINOR__) \
|| _GL_GNUC_PREREQ (4, 7) \
|| (defined __apple_build_version__ \
? 6000000 <= __apple_build_version__ \
: 3 < __clang_major__ + (5 <= __clang_minor__))))
/* _Noreturn works as-is. */
# elif 2 < __GNUC__ + (8 <= __GNUC_MINOR__) || 0x5110 <= __SUNPRO_C
# elif _GL_GNUC_PREREQ (2, 8) || 0x5110 <= __SUNPRO_C
# define _Noreturn __attribute__ ((__noreturn__))
# elif 1200 <= (defined _MSC_VER ? _MSC_VER : 0)
# define _Noreturn __declspec (noreturn)
......@@ -55,48 +64,206 @@ AC_DEFUN([gl_COMMON_BODY], [
#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__
# define __GNUC_STDC_INLINE__ 1
#endif])
AH_VERBATIM([unused_parameter],
[/* Define as a marker that can be attached to declarations that might not
be used. This helps to reduce warnings, such as from
GCC -Wunused-parameter. */
#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
# define _GL_UNUSED __attribute__ ((__unused__))
AH_VERBATIM([attribute],
[/* Attributes. */
#ifdef __has_attribute
# define _GL_HAS_ATTRIBUTE(attr) __has_attribute (__##attr##__)
#else
# define _GL_UNUSED
# define _GL_HAS_ATTRIBUTE(attr) _GL_ATTR_##attr
# define _GL_ATTR_alloc_size _GL_GNUC_PREREQ (4, 3)
# define _GL_ATTR_always_inline _GL_GNUC_PREREQ (3, 2)
# define _GL_ATTR_artificial _GL_GNUC_PREREQ (4, 3)
# define _GL_ATTR_cold _GL_GNUC_PREREQ (4, 3)
# define _GL_ATTR_const _GL_GNUC_PREREQ (2, 95)
# define _GL_ATTR_deprecated _GL_GNUC_PREREQ (3, 1)
# define _GL_ATTR_error _GL_GNUC_PREREQ (4, 3)
# define _GL_ATTR_externally_visible _GL_GNUC_PREREQ (4, 1)
# define _GL_ATTR_fallthrough _GL_GNUC_PREREQ (7, 0)
# define _GL_ATTR_format _GL_GNUC_PREREQ (2, 7)
# define _GL_ATTR_leaf _GL_GNUC_PREREQ (4, 6)
# ifdef _ICC
# define _GL_ATTR_may_alias 0
# else
# define _GL_ATTR_may_alias _GL_GNUC_PREREQ (3, 3)
# endif
# define _GL_ATTR_malloc _GL_GNUC_PREREQ (3, 0)
# define _GL_ATTR_noinline _GL_GNUC_PREREQ (3, 1)
# define _GL_ATTR_nonnull _GL_GNUC_PREREQ (3, 3)
# define _GL_ATTR_nonstring _GL_GNUC_PREREQ (8, 0)
# define _GL_ATTR_nothrow _GL_GNUC_PREREQ (3, 3)
# define _GL_ATTR_packed _GL_GNUC_PREREQ (2, 7)
# define _GL_ATTR_pure _GL_GNUC_PREREQ (2, 96)
# define _GL_ATTR_returns_nonnull _GL_GNUC_PREREQ (4, 9)
# define _GL_ATTR_sentinel _GL_GNUC_PREREQ (4, 0)
# define _GL_ATTR_unused _GL_GNUC_PREREQ (2, 7)
# define _GL_ATTR_warn_unused_result_GL_GNUC_PREREQ (3, 4)
#endif
/* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name
is a misnomer outside of parameter lists. */
#define _UNUSED_PARAMETER_ _GL_UNUSED
/* gcc supports the "unused" attribute on possibly unused labels, and
g++ has since version 4.5. Note to support C++ as well as C,
_GL_UNUSED_LABEL should be used with a trailing ; */
#if !defined __cplusplus || __GNUC__ > 4 \
|| (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
# define _GL_UNUSED_LABEL _GL_UNUSED
]dnl There is no _GL_ATTRIBUTE_ALIGNED; use stdalign's _Alignas instead.
[
#if _GL_HAS_ATTRIBUTE (alloc_size)
# define _GL_ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args))
#else
# define _GL_UNUSED_LABEL
# define _GL_ATTRIBUTE_ALLOC_SIZE(args)
#endif
/* The __pure__ attribute was added in gcc 2.96. */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
#if _GL_HAS_ATTRIBUTE (always_inline)
# define _GL_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((__always_inline__))
#else
# define _GL_ATTRIBUTE_PURE /* empty */
# define _GL_ATTRIBUTE_ALWAYS_INLINE
#endif
/* The __const__ attribute was added in gcc 2.95. */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
#if _GL_HAS_ATTRIBUTE (artificial)
# define _GL_ATTRIBUTE_ARTIFICIAL __attribute__ ((__artificial__))
#else
# define _GL_ATTRIBUTE_ARTIFICIAL
#endif
/* Avoid __attribute__ ((cold)) on MinGW; see thread starting at
<https://lists.gnu.org/r/emacs-devel/2019-04/msg01152.html>. */
#if _GL_HAS_ATTRIBUTE (cold) && !defined __MINGW32__
# define _GL_ATTRIBUTE_COLD __attribute__ ((cold))
#else
# define _GL_ATTRIBUTE_COLD
#endif
#if _GL_HAS_ATTRIBUTE (const)
# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__))
#else
# define _GL_ATTRIBUTE_CONST /* empty */
# define _GL_ATTRIBUTE_CONST
#endif
/* The __malloc__ attribute was added in gcc 3. */
#if 3 <= __GNUC__
#if 201710L < __STDC_VERSION__
# define _GL_ATTRIBUTE_DEPRECATED [[__deprecated__]]
#elif _GL_HAS_ATTRIBUTE (deprecated)
# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__))
#else
# define _GL_ATTRIBUTE_DEPRECATED
#endif
#if _GL_HAS_ATTRIBUTE (error)
# define _GL_ATTRIBUTE_ERROR(msg) __attribute__((__error__ (msg)))
# define _GL_ATTRIBUTE_WARNING(msg) __attribute__((__warning__ (msg)))
#else
# define _GL_ATTRIBUTE_ERROR(msg)
# define _GL_ATTRIBUTE_WARNING(msg)
#endif
#if _GL_HAS_ATTRIBUTE (externally_visible)
# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((externally_visible))
#else
# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE
#endif
/* FALLTHROUGH is special, because it always expands to something. */
#if 201710L < __STDC_VERSION__
# define _GL_ATTRIBUTE_FALLTHROUGH [[__fallthrough__]]
#elif _GL_HAS_ATTRIBUTE (fallthrough)
# define _GL_ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__))
#else
# define _GL_ATTRIBUTE_FALLTHROUGH ((void) 0)
#endif
#if _GL_HAS_ATTRIBUTE (format)
# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
#else
# define _GL_ATTRIBUTE_FORMAT(spec)
#endif
#if _GL_HAS_ATTRIBUTE (leaf)
# define _GL_ATTRIBUTE_LEAF __attribute__ ((__leaf__))
#else
# define _GL_ATTRIBUTE_LEAF
#endif
#if _GL_HAS_ATTRIBUTE (may_alias)
# define _GL_ATTRIBUTE_MAY_ALIAS __attribute__ ((__may_alias__))
#else
# define _GL_ATTRIBUTE_MAY_ALIAS
#endif
#if 201710L < __STDC_VERSION__
# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]]
#elif _GL_HAS_ATTRIBUTE (unused)
# define _GL_ATTRIBUTE_MAYBE_UNUSED __attribute__ ((__unused__))
#else
# define _GL_ATTRIBUTE_MAYBE_UNUSED
#endif
/* Earlier spellings of this macro. */
#define _GL_UNUSED _GL_ATTRIBUTE_MAYBE_UNUSED
#define _UNUSED_PARAMETER_ _GL_ATTRIBUTE_MAYBE_UNUSED
#if _GL_HAS_ATTRIBUTE (malloc)
# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
#else
# define _GL_ATTRIBUTE_MALLOC /* empty */
# define _GL_ATTRIBUTE_MALLOC
#endif
#if 201710L < __STDC_VERSION__
# define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]]
#elif _GL_HAS_ATTRIBUTE (warn_unused_result)
# define _GL_ATTRIBUTE_NODISCARD __attribute__ ((__warn_unused_result__))
#else
# define _GL_ATTRIBUTE_NODISCARD
#endif
#if _GL_HAS_ATTRIBUTE (noinline)
# define _GL_ATTRIBUTE_NOINLINE __attribute__ ((__noinline__))
#else
# define _GL_ATTRIBUTE_NOINLINE
#endif
#if _GL_HAS_ATTRIBUTE (nonnull)
# define _GL_ATTRIBUTE_NONNULL(args) __attribute__ ((__nonnull__ args))
#else
# define _GL_ATTRIBUTE_NONNULL(args)
#endif
#if _GL_HAS_ATTRIBUTE (nonstring)
# define _GL_ATTRIBUTE_NONSTRING __attribute__ ((__nonstring__))
#else
# define _GL_ATTRIBUTE_NONSTRING
#endif
/* There is no _GL_ATTRIBUTE_NORETURN; use _Noreturn instead. */
#if _GL_HAS_ATTRIBUTE (nothrow) && !defined __cplusplus
# define _GL_ATTRIBUTE_NOTHROW __attribute__ ((__nothrow__))
#else
# define _GL_ATTRIBUTE_NOTHROW
#endif
#if _GL_HAS_ATTRIBUTE (packed)
# define _GL_ATTRIBUTE_PACKED __attribute__ ((__packed__))
#else
# define _GL_ATTRIBUTE_PACKED
#endif
#if _GL_HAS_ATTRIBUTE (pure)
# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
#else
# define _GL_ATTRIBUTE_PURE
#endif
#if _GL_HAS_ATTRIBUTE (returns_nonnull)
# define _GL_ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__))
#else
# define _GL_ATTRIBUTE_RETURNS_NONNULL
#endif
#if _GL_HAS_ATTRIBUTE (sentinel)
# define _GL_ATTRIBUTE_SENTINEL(pos) __attribute__ ((__sentinel__ pos))
#else
# define _GL_ATTRIBUTE_SENTINEL(pos)
#endif
]dnl There is no _GL_ATTRIBUTE_VISIBILITY; see m4/visibility.m4 instead.
[
/* To support C++ as well as C, use _GL_UNUSED_LABEL with trailing ';'. */
#if !defined __cplusplus || _GL_GNUC_PREREQ (4, 5)
# define _GL_UNUSED_LABEL _GL_ATTRIBUTE_MAYBE_UNUSED
#else
# define _GL_UNUSED_LABEL
#endif
])
AH_VERBATIM([async_safe],
......
......@@ -47,6 +47,7 @@ AC_DEFUN([gl_EARLY],
# Code from module alloca-opt:
# Code from module allocator:
# Code from module at-internal:
# Code from module attribute:
# Code from module binary-io:
# Code from module builtin-expect:
# Code from module byteswap:
......@@ -934,6 +935,7 @@ AC_DEFUN([gl_FILE_LIST], [
lib/allocator.h
lib/arg-nonnull.h
lib/at-func.c
lib/attribute.h
lib/binary-io.c
lib/binary-io.h
lib/byteswap.in.h
......
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