Import the time_r gnulib module
This allows GDB to use localtime_r unconditionally. See https://lists.gnu.org/archive/html/bug-gnulib/2019-11/msg00022.html for details on the compile error mentioned below. gdb/ChangeLog: 2019-11-15 Christian Biesinger <cbiesinger@google.com> * gdbsupport/common-defs.h: Include time.h before pathmax.h to avoid compile errors. gnulib/ChangeLog: 2019-11-15 Christian Biesinger <cbiesinger@google.com> * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * config.in: Regenerate. * configure: Regenerate. * import/Makefile.am: Update. * import/Makefile.in: Regenerate. * import/m4/gnulib-cache.m4: Update. * import/m4/gnulib-comp.m4: Update. * import/m4/time_r.m4: New file. * import/time_r.c: New file. * update-gnulib.sh: Import time_r. Change-Id: I53fc861b192940d613ca97f2910b4533c730f667
This commit is contained in:
Christian Biesinger
parent
5abebf3c3f
commit
f8e27d88e4
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@ -1,3 +1,8 @@
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2019-11-15 Christian Biesinger <cbiesinger@google.com>
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* gdbsupport/common-defs.h: Include time.h before pathmax.h to
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avoid compile errors.
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2019-11-15 Christian Biesinger <cbiesinger@google.com>
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* config.in: Regenerate.
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@ -97,6 +97,11 @@
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#endif
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#include <errno.h>
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#include <alloca.h>
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/* Must be included before pathmax.h to avoid build errors about localtime_r
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and gmtime_r in gnulib on MinGW. This is a gnulib bug:
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https://lists.gnu.org/archive/html/bug-gnulib/2019-11/msg00022.html */
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#include <time.h>
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#include "ansidecl.h"
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/* This is defined by ansidecl.h, but we prefer gnulib's version. On
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@ -1,3 +1,17 @@
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2019-11-15 Christian Biesinger <cbiesinger@google.com>
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* Makefile.in: Regenerate.
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* aclocal.m4: Regenerate.
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* config.in: Regenerate.
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* configure: Regenerate.
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* import/Makefile.am: Update.
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* import/Makefile.in: Regenerate.
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* import/m4/gnulib-cache.m4: Update.
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* import/m4/gnulib-comp.m4: Update.
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* import/m4/time_r.m4: New file.
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* import/time_r.c: New file.
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* update-gnulib.sh: Import time_r.
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2019-11-15 Christian Biesinger <cbiesinger@google.com>
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* Makefile.in: Regenerate.
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@ -243,6 +243,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
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$(top_srcdir)/import/m4/tempname.m4 \
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$(top_srcdir)/import/m4/threadlib.m4 \
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$(top_srcdir)/import/m4/time_h.m4 \
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$(top_srcdir)/import/m4/time_r.m4 \
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$(top_srcdir)/import/m4/unistd-safer.m4 \
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$(top_srcdir)/import/m4/unistd_h.m4 \
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$(top_srcdir)/import/m4/warn-on-use.m4 \
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@ -1848,6 +1848,7 @@ m4_include([import/m4/sys_uio_h.m4])
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m4_include([import/m4/tempname.m4])
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m4_include([import/m4/threadlib.m4])
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m4_include([import/m4/time_h.m4])
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m4_include([import/m4/time_r.m4])
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m4_include([import/m4/unistd-safer.m4])
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m4_include([import/m4/unistd_h.m4])
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m4_include([import/m4/warn-on-use.m4])
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@ -273,6 +273,9 @@
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/* Define to 1 when the gnulib module strtok_r should be tested. */
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#undef GNULIB_TEST_STRTOK_R
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/* Define to 1 when the gnulib module time_r should be tested. */
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#undef GNULIB_TEST_TIME_R
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/* Define to 1 when the gnulib module unsetenv should be tested. */
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#undef GNULIB_TEST_UNSETENV
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@ -346,6 +349,10 @@
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don't. */
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#undef HAVE_DECL_ISBLANK
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/* Define to 1 if you have the declaration of `localtime_r', and to 0 if you
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don't. */
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#undef HAVE_DECL_LOCALTIME_R
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/* Define to 1 if you have the declaration of `mbrtowc', and to 0 if you
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don't. */
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#undef HAVE_DECL_MBRTOWC
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@ -523,6 +530,9 @@
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/* Define to 1 if you have the 'link' function. */
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#undef HAVE_LINK
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/* Define to 1 if you have the 'localtime_r' function. */
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#undef HAVE_LOCALTIME_R
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/* Define to 1 if the system has the type 'long long int'. */
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#undef HAVE_LONG_LONG_INT
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@ -3564,6 +3564,7 @@ gl_func_list="$gl_func_list __xpg_strerror_r"
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gl_func_list="$gl_func_list catgets"
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gl_func_list="$gl_func_list snprintf"
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gl_header_list="$gl_header_list sys/uio.h"
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gl_func_list="$gl_func_list localtime_r"
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gl_func_list="$gl_func_list pipe"
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gl_func_list="$gl_func_list iswcntrl"
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# Check that the precious variables saved in the cache have kept the same
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@ -5986,6 +5987,7 @@ fi
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# Code from module time:
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# Code from module time_r:
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# Code from module unistd:
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# Code from module unistd-safer:
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# Code from module unsetenv:
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@ -16079,6 +16081,11 @@ $as_echo "$gl_cv_next_time_h" >&6; }
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ac_fn_c_check_decl "$LINENO" "unsetenv" "ac_cv_have_decl_unsetenv" "$ac_includes_default"
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if test "x$ac_cv_have_decl_unsetenv" = xyes; then :
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ac_have_decl=1
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@ -27018,6 +27025,110 @@ $as_echo "$gl_cv_next_sys_uio_h" >&6; }
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ac_fn_c_check_decl "$LINENO" "localtime_r" "ac_cv_have_decl_localtime_r" "#include <time.h>
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"
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if test "x$ac_cv_have_decl_localtime_r" = xyes; then :
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ac_have_decl=1
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else
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ac_have_decl=0
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fi
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cat >>confdefs.h <<_ACEOF
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#define HAVE_DECL_LOCALTIME_R $ac_have_decl
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_ACEOF
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if test $ac_cv_have_decl_localtime_r = no; then
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HAVE_DECL_LOCALTIME_R=0
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fi
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:
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if test $ac_cv_func_localtime_r = yes; then
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HAVE_LOCALTIME_R=1
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether localtime_r is compatible with its POSIX signature" >&5
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$as_echo_n "checking whether localtime_r is compatible with its POSIX signature... " >&6; }
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if ${gl_cv_time_r_posix+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <time.h>
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int
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main ()
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{
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/* We don't need to append 'restrict's to the argument types,
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even though the POSIX signature has the 'restrict's,
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since C99 says they can't affect type compatibility. */
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struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
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if (ptr) return 0;
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/* Check the return type is a pointer.
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On HP-UX 10 it is 'int'. */
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*localtime_r (0, 0);
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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gl_cv_time_r_posix=yes
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else
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gl_cv_time_r_posix=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_time_r_posix" >&5
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$as_echo "$gl_cv_time_r_posix" >&6; }
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if test $gl_cv_time_r_posix = yes; then
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REPLACE_LOCALTIME_R=0
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else
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REPLACE_LOCALTIME_R=1
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fi
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else
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HAVE_LOCALTIME_R=0
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fi
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if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then
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gl_LIBOBJS="$gl_LIBOBJS time_r.$ac_objext"
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:
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fi
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GNULIB_TIME_R=1
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$as_echo "#define GNULIB_TEST_TIME_R 1" >>confdefs.h
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@ -21,7 +21,7 @@
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# the same distribution terms as the rest of that program.
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#
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# Generated by gnulib-tool.
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# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl getcwd glob inet_ntop inttypes limits-h lstat memchr memmem mkdir mkdtemp mkostemp pathmax rawmemchr readlink rename setenv signal-h strchrnul strerror_r-posix strstr strtok_r sys_stat unistd unsetenv update-copyright wchar wctype-h
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# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl getcwd glob inet_ntop inttypes limits-h lstat memchr memmem mkdir mkdtemp mkostemp pathmax rawmemchr readlink rename setenv signal-h strchrnul strerror_r-posix strstr strtok_r sys_stat time_r unistd unsetenv update-copyright wchar wctype-h
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AUTOMAKE_OPTIONS = 1.9.6 gnits subdir-objects
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@ -2379,6 +2379,15 @@ EXTRA_DIST += time.in.h
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## end gnulib module time
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## begin gnulib module time_r
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EXTRA_DIST += time_r.c
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EXTRA_libgnu_a_SOURCES += time_r.c
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## end gnulib module time_r
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## begin gnulib module unistd
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BUILT_SOURCES += unistd.h
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@ -35,7 +35,7 @@
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# the same distribution terms as the rest of that program.
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#
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# Generated by gnulib-tool.
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# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl getcwd glob inet_ntop inttypes limits-h lstat memchr memmem mkdir mkdtemp mkostemp pathmax rawmemchr readlink rename setenv signal-h strchrnul strerror_r-posix strstr strtok_r sys_stat unistd unsetenv update-copyright wchar wctype-h
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# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl getcwd glob inet_ntop inttypes limits-h lstat memchr memmem mkdir mkdtemp mkostemp pathmax rawmemchr readlink rename setenv signal-h strchrnul strerror_r-posix strstr strtok_r sys_stat time_r unistd unsetenv update-copyright wchar wctype-h
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@ -252,6 +252,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
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$(top_srcdir)/import/m4/tempname.m4 \
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$(top_srcdir)/import/m4/threadlib.m4 \
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$(top_srcdir)/import/m4/time_h.m4 \
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$(top_srcdir)/import/m4/time_r.m4 \
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$(top_srcdir)/import/m4/unistd-safer.m4 \
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$(top_srcdir)/import/m4/unistd_h.m4 \
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$(top_srcdir)/import/m4/warn-on-use.m4 \
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@ -1553,8 +1554,8 @@ EXTRA_DIST = m4/gnulib-cache.m4 alloca.c alloca.in.h arpa_inet.in.h \
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strerror_r.c string.in.h str-two-way.h strstr.c strtok_r.c \
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sys_socket.in.h sys_stat.in.h sys_time.in.h sys_types.in.h \
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sys_uio.in.h tempname.h \
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$(top_srcdir)/import/extra/config.rpath time.in.h unistd.in.h \
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unistd--.h unistd-safer.h unsetenv.c \
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$(top_srcdir)/import/extra/config.rpath time.in.h time_r.c \
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unistd.in.h unistd--.h unistd-safer.h unsetenv.c \
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$(top_srcdir)/import/extra/update-copyright verify.h \
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wchar.in.h wctype.in.h
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@ -1617,7 +1618,7 @@ EXTRA_libgnu_a_SOURCES = alloca.c openat-proc.c canonicalize-lgpl.c \
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readlink.c realloc.c rename.c rewinddir.c rmdir.c \
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secure_getenv.c setenv.c stat.c strchrnul.c strdup.c \
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strerror.c strerror-override.c strerror_r.c strstr.c \
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strtok_r.c unsetenv.c
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strtok_r.c time_r.c unsetenv.c
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# Use this preprocessor expression to decide whether #include_next works.
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# Do not rely on a 'configure'-time test for this, since the expression
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@ -1791,6 +1792,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/strtok_r.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sys_socket.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tempname.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/time_r.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/unistd.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/unsetenv.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/wctype-h.Po@am__quote@
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@ -27,7 +27,7 @@
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# Specification in the form of a command-line invocation:
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# gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl getcwd glob inet_ntop inttypes limits-h lstat memchr memmem mkdir mkdtemp mkostemp pathmax rawmemchr readlink rename setenv signal-h strchrnul strerror_r-posix strstr strtok_r sys_stat unistd unsetenv update-copyright wchar wctype-h
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# gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl getcwd glob inet_ntop inttypes limits-h lstat memchr memmem mkdir mkdtemp mkostemp pathmax rawmemchr readlink rename setenv signal-h strchrnul strerror_r-posix strstr strtok_r sys_stat time_r unistd unsetenv update-copyright wchar wctype-h
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# Specification in the form of a few gnulib-tool.m4 macro invocations:
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gl_LOCAL_DIR([])
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@ -61,6 +61,7 @@ gl_MODULES([
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strstr
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strtok_r
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sys_stat
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time_r
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unistd
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unsetenv
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update-copyright
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@ -182,6 +182,7 @@ AC_DEFUN([gl_EARLY],
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# Code from module threadlib:
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gl_THREADLIB_EARLY
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# Code from module time:
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# Code from module time_r:
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# Code from module unistd:
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# Code from module unistd-safer:
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# Code from module unsetenv:
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@ -619,6 +620,12 @@ AC_DEFUN([gl_INIT],
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gl_FUNC_GEN_TEMPNAME
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gl_THREADLIB
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gl_HEADER_TIME_H
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gl_TIME_R
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if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then
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AC_LIBOBJ([time_r])
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gl_PREREQ_TIME_R
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fi
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gl_TIME_MODULE_INDICATOR([time_r])
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gl_UNISTD_H
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gl_UNISTD_SAFER
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gl_FUNC_UNSETENV
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@ -934,6 +941,7 @@ AC_DEFUN([gl_FILE_LIST], [
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lib/tempname.c
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lib/tempname.h
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lib/time.in.h
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lib/time_r.c
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lib/unistd--.h
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lib/unistd-safer.h
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lib/unistd.c
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@ -1075,6 +1083,7 @@ AC_DEFUN([gl_FILE_LIST], [
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m4/tempname.m4
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m4/threadlib.m4
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m4/time_h.m4
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m4/time_r.m4
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m4/unistd-safer.m4
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m4/unistd_h.m4
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m4/warn-on-use.m4
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@ -0,0 +1,58 @@
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dnl Reentrant time functions: localtime_r, gmtime_r.
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dnl Copyright (C) 2003, 2006-2016 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
|
||||
dnl gives unlimited permission to copy and/or distribute it,
|
||||
dnl with or without modifications, as long as this notice is preserved.
|
||||
|
||||
dnl Written by Paul Eggert.
|
||||
|
||||
AC_DEFUN([gl_TIME_R],
|
||||
[
|
||||
dnl Persuade glibc and Solaris <time.h> to declare localtime_r.
|
||||
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
|
||||
|
||||
AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
|
||||
AC_REQUIRE([AC_C_RESTRICT])
|
||||
|
||||
dnl Some systems don't declare localtime_r() and gmtime_r() if _REENTRANT is
|
||||
dnl not defined.
|
||||
AC_CHECK_DECLS([localtime_r], [], [], [[#include <time.h>]])
|
||||
if test $ac_cv_have_decl_localtime_r = no; then
|
||||
HAVE_DECL_LOCALTIME_R=0
|
||||
fi
|
||||
|
||||
AC_CHECK_FUNCS_ONCE([localtime_r])
|
||||
if test $ac_cv_func_localtime_r = yes; then
|
||||
HAVE_LOCALTIME_R=1
|
||||
AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature],
|
||||
[gl_cv_time_r_posix],
|
||||
[AC_COMPILE_IFELSE(
|
||||
[AC_LANG_PROGRAM(
|
||||
[[#include <time.h>]],
|
||||
[[/* We don't need to append 'restrict's to the argument types,
|
||||
even though the POSIX signature has the 'restrict's,
|
||||
since C99 says they can't affect type compatibility. */
|
||||
struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
|
||||
if (ptr) return 0;
|
||||
/* Check the return type is a pointer.
|
||||
On HP-UX 10 it is 'int'. */
|
||||
*localtime_r (0, 0);]])
|
||||
],
|
||||
[gl_cv_time_r_posix=yes],
|
||||
[gl_cv_time_r_posix=no])
|
||||
])
|
||||
if test $gl_cv_time_r_posix = yes; then
|
||||
REPLACE_LOCALTIME_R=0
|
||||
else
|
||||
REPLACE_LOCALTIME_R=1
|
||||
fi
|
||||
else
|
||||
HAVE_LOCALTIME_R=0
|
||||
fi
|
||||
])
|
||||
|
||||
# Prerequisites of lib/time_r.c.
|
||||
AC_DEFUN([gl_PREREQ_TIME_R], [
|
||||
:
|
||||
])
|
||||
|
|
@ -0,0 +1,44 @@
|
|||
/* Reentrant time functions like localtime_r.
|
||||
|
||||
Copyright (C) 2003, 2006-2007, 2010-2016 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, 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 <config.h>
|
||||
|
||||
#include <time.h>
|
||||
|
||||
static struct tm *
|
||||
copy_tm_result (struct tm *dest, struct tm const *src)
|
||||
{
|
||||
if (! src)
|
||||
return 0;
|
||||
*dest = *src;
|
||||
return dest;
|
||||
}
|
||||
|
||||
|
||||
struct tm *
|
||||
gmtime_r (time_t const * restrict t, struct tm * restrict tp)
|
||||
{
|
||||
return copy_tm_result (tp, gmtime (t));
|
||||
}
|
||||
|
||||
struct tm *
|
||||
localtime_r (time_t const * restrict t, struct tm * restrict tp)
|
||||
{
|
||||
return copy_tm_result (tp, localtime (t));
|
||||
}
|
||||
|
|
@ -59,6 +59,7 @@ IMPORTED_GNULIB_MODULES="\
|
|||
strstr \
|
||||
strtok_r \
|
||||
sys_stat \
|
||||
time_r \
|
||||
unistd \
|
||||
unsetenv \
|
||||
update-copyright \
|
||||
|
|
|
|||
Loading…
Reference in New Issue