GNULIB_TOOL_FLAGS='
--avoid=close --avoid=dup
- --avoid=fchdir --avoid=flexmember --avoid=fstat
+ --avoid=fchdir --avoid=fstat
--avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow
--avoid=open --avoid=openat-die --avoid=opendir
--avoid=raise
}
"$gnulib_srcdir"/gnulib-tool --dir="$src" $GNULIB_TOOL_FLAGS $GNULIB_MODULES &&
-rm -- "$src"lib/gl_openssl.h "$src"m4/fcntl-o.m4 "$src"m4/gl-openssl.m4 \
+rm -- "$src"lib/gl_openssl.h "$src"m4/fcntl-o.m4 "$src"m4/flexmember.m4 \
+ "$src"m4/gl-openssl.m4 \
"$src"m4/gnulib-cache.m4"$src" m4/warn-on-use.m4 &&
cp -- "$gnulib_srcdir"/build-aux/texinfo.tex "$src"doc/misc &&
cp -- "$gnulib_srcdir"/build-aux/move-if-change "$src"build-aux &&
dnl that clash with MinGW.
AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
+# Skip gnulib's tests for flexible array members, as Emacs assumes C99.
+AC_DEFUN([AC_C_FLEXIBLE_ARRAY_MEMBER])
# Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
AC_DEFUN([gl_CRYPTO_CHECK])
# Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
# include <stdio.h>
# include <stdlib.h>
-char *program_name;
-
int
main (int argc, char **argv)
{
int mode;
int err;
- program_name = argv[0];
if (argc < 3)
abort ();
file = argv[1];
--- /dev/null
+/* Sizes of structs with flexible array members.
+
+ Copyright 2016 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 <http://www.gnu.org/licenses/>.
+
+ Written by Paul Eggert. */
+
+#include <stddef.h>
+
+/* Nonzero multiple of alignment of TYPE, suitable for FLEXSIZEOF below.
+ On older platforms without _Alignof, use a pessimistic bound that is
+ safe in practice even if FLEXIBLE_ARRAY_MEMBER is 1.
+ On newer platforms, use _Alignof to get a tighter bound. */
+
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112
+# define FLEXALIGNOF(type) (sizeof (type) & ~ (sizeof (type) - 1))
+#else
+# define FLEXALIGNOF(type) _Alignof (type)
+#endif
+
+/* Upper bound on the size of a struct of type TYPE with a flexible
+ array member named MEMBER that is followed by N bytes of other data.
+ This is not simply sizeof (TYPE) + N, since it may require
+ alignment on unusually picky C11 platforms, and
+ FLEXIBLE_ARRAY_MEMBER may be 1 on pre-C11 platforms.
+ Yield a value less than N if and only if arithmetic overflow occurs. */
+
+#define FLEXSIZEOF(type, member, n) \
+ ((offsetof (type, member) + FLEXALIGNOF (type) - 1 + (n)) \
+ & ~ (FLEXALIGNOF (type) - 1))
# the same distribution terms as the rest of that program.
#
# Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --avoid=close --avoid=dup --avoid=fchdir --avoid=flexmember --avoid=fstat --avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow --avoid=open --avoid=openat-die --avoid=opendir --avoid=raise --avoid=save-cwd --avoid=select --avoid=setenv --avoid=sigprocmask --avoid=stdarg --avoid=stdbool --avoid=threadlib --avoid=unsetenv --makefile-name=gnulib.mk --conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca-opt binary-io byteswap c-ctype c-strcase careadlinkat close-stream count-one-bits count-trailing-zeros crypto/md5 crypto/sha1 crypto/sha256 crypto/sha512 dtoastr dtotimespec dup2 environ execinfo faccessat fcntl fcntl-h fdatasync fdopendir filemode filevercmp fstatat fsync getloadavg getopt-gnu gettime gettimeofday gitlog-to-changelog ignore-value intprops largefile lstat manywarnings memrchr mkostemp mktime pipe2 pselect pthread_sigmask putenv qcopy-acl readlink readlinkat sig2str socklen stat-time std-gnu11 stdalign stddef stdio stpcpy strftime strtoimax strtoumax symlink sys_stat sys_time time time_r time_rz timegm timer-time timespec-add timespec-sub unsetenv update-copyright utimens vla warnings
+# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --avoid=close --avoid=dup --avoid=fchdir --avoid=fstat --avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow --avoid=open --avoid=openat-die --avoid=opendir --avoid=raise --avoid=save-cwd --avoid=select --avoid=setenv --avoid=sigprocmask --avoid=stdarg --avoid=stdbool --avoid=threadlib --avoid=unsetenv --makefile-name=gnulib.mk --conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca-opt binary-io byteswap c-ctype c-strcase careadlinkat close-stream count-one-bits count-trailing-zeros crypto/md5 crypto/sha1 crypto/sha256 crypto/sha512 dtoastr dtotimespec dup2 environ execinfo faccessat fcntl fcntl-h fdatasync fdopendir filemode filevercmp fstatat fsync getloadavg getopt-gnu gettime gettimeofday gitlog-to-changelog ignore-value intprops largefile lstat manywarnings memrchr mkostemp mktime pipe2 pselect pthread_sigmask putenv qcopy-acl readlink readlinkat sig2str socklen stat-time std-gnu11 stdalign stddef stdio stpcpy strftime strtoimax strtoumax symlink sys_stat sys_time time time_r time_rz timegm timer-time timespec-add timespec-sub unsetenv update-copyright utimens vla warnings
MOSTLYCLEANFILES += core *.stackdump
## end gnulib module filevercmp
+## begin gnulib module flexmember
+
+if gl_GNULIB_ENABLED_flexmember
+
+endif
+EXTRA_DIST += flexmember.h
+
+## end gnulib module flexmember
+
## begin gnulib module fpending
#ifdef TEST
-char *program_name;
-
int
main (int argc, char **argv)
{
int i;
- program_name = argv[0];
-
for (i = 1; i < argc; i++)
{
gid_t gid;
#include <stdlib.h>
#include <string.h>
+#include "flexmember.h"
#include "time-internal.h"
#if !HAVE_TZSET
{
size_t name_size = name ? strlen (name) + 1 : 0;
size_t abbr_size = name_size < ABBR_SIZE_MIN ? ABBR_SIZE_MIN : name_size + 1;
- timezone_t tz = malloc (offsetof (struct tm_zone, abbrs) + abbr_size);
+ timezone_t tz = malloc (FLEXSIZEOF (struct tm_zone, abbrs, abbr_size));
if (tz)
{
tz->next = NULL;
# Code from module fdopendir:
# Code from module filemode:
# Code from module filevercmp:
+ # Code from module flexmember:
# Code from module fpending:
# Code from module fstatat:
# Code from module fsync:
gl_gnulib_enabled_dirfd=false
gl_gnulib_enabled_dosname=false
gl_gnulib_enabled_euidaccess=false
+ gl_gnulib_enabled_flexmember=false
gl_gnulib_enabled_getdtablesize=false
gl_gnulib_enabled_getgroups=false
gl_gnulib_enabled_be453cec5eecf5731a274f2de7f2db36=false
fi
fi
}
+ func_gl_gnulib_m4code_flexmember ()
+ {
+ if ! $gl_gnulib_enabled_flexmember; then
+ AC_C_FLEXIBLE_ARRAY_MEMBER
+ gl_gnulib_enabled_flexmember=true
+ fi
+ }
func_gl_gnulib_m4code_getdtablesize ()
{
if ! $gl_gnulib_enabled_getdtablesize; then
if { test $HAVE_DECL_STRTOUMAX = 0 || test $REPLACE_STRTOUMAX = 1; } && test $ac_cv_type_unsigned_long_long_int = yes; then
func_gl_gnulib_m4code_strtoull
fi
+ if test "$HAVE_TIMEZONE_T" = 0; then
+ func_gl_gnulib_m4code_flexmember
+ fi
if test $HAVE_TIMEGM = 0 || test $REPLACE_TIMEGM = 1; then
func_gl_gnulib_m4code_5264294aa0a5557541b53c8c741f7f31
fi
AM_CONDITIONAL([gl_GNULIB_ENABLED_dirfd], [$gl_gnulib_enabled_dirfd])
AM_CONDITIONAL([gl_GNULIB_ENABLED_dosname], [$gl_gnulib_enabled_dosname])
AM_CONDITIONAL([gl_GNULIB_ENABLED_euidaccess], [$gl_gnulib_enabled_euidaccess])
+ AM_CONDITIONAL([gl_GNULIB_ENABLED_flexmember], [$gl_gnulib_enabled_flexmember])
AM_CONDITIONAL([gl_GNULIB_ENABLED_getdtablesize], [$gl_gnulib_enabled_getdtablesize])
AM_CONDITIONAL([gl_GNULIB_ENABLED_getgroups], [$gl_gnulib_enabled_getgroups])
AM_CONDITIONAL([gl_GNULIB_ENABLED_be453cec5eecf5731a274f2de7f2db36], [$gl_gnulib_enabled_be453cec5eecf5731a274f2de7f2db36])
lib/filemode.h
lib/filevercmp.c
lib/filevercmp.h
+ lib/flexmember.h
lib/fpending.c
lib/fpending.h
lib/fstatat.c
m4/fdatasync.m4
m4/fdopendir.m4
m4/filemode.m4
+ m4/flexmember.m4
m4/fpending.m4
m4/fstatat.m4
m4/fsync.m4
gl_manywarn_set=
for gl_manywarn_item in \
+ -fno-common \
-W \
-Wabi \
-Waddress \
projects / emacs.git / commitdiff