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authorPaul Eggert2011-01-08 22:57:07 -0800
committerPaul Eggert2011-01-08 22:57:07 -0800
commit1fd182f01815629114a83d6987568dce72cc6bf5 (patch)
tree17148e38af034214416d362909d5a3ec8c4e6c4a /lib
parente84aba69759680c3d2461570168aabf52c5e12aa (diff)
downloademacs-1fd182f01815629114a83d6987568dce72cc6bf5.tar.gz
emacs-1fd182f01815629114a83d6987568dce72cc6bf5.zip
Regenerate.
Diffstat (limited to 'lib')
-rw-r--r--lib/Makefile.in138
-rw-r--r--lib/gnulib.mk152
-rw-r--r--lib/mktime-internal.h4
-rw-r--r--lib/mktime.c669
-rw-r--r--lib/stddef.in.h87
-rw-r--r--lib/time.h555
-rw-r--r--lib/time.in.h243
-rw-r--r--lib/time_r.c45
8 files changed, 1885 insertions, 8 deletions
diff --git a/lib/Makefile.in b/lib/Makefile.in
index d1d6e4f8417..40254045808 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -24,7 +24,7 @@
24# the same distribution terms as the rest of that program. 24# the same distribution terms as the rest of that program.
25# 25#
26# Generated by gnulib-tool. 26# Generated by gnulib-tool.
27# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=. --makefile-name=gnulib.mk --no-libtool --macro-prefix=gl --no-vc-files ftoastr 27# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=. --makefile-name=gnulib.mk --no-libtool --macro-prefix=gl --no-vc-files ftoastr mktime
28 28
29VPATH = @srcdir@ 29VPATH = @srcdir@
30pkgdatadir = $(datadir)/@PACKAGE@ 30pkgdatadir = $(datadir)/@PACKAGE@
@@ -50,8 +50,13 @@ DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
50subdir = lib 50subdir = lib
51ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 51ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
52am__aclocal_m4_deps = $(top_srcdir)/m4/00gnulib.m4 \ 52am__aclocal_m4_deps = $(top_srcdir)/m4/00gnulib.m4 \
53 $(top_srcdir)/m4/c-strtod.m4 $(top_srcdir)/m4/gnulib-common.m4 \ 53 $(top_srcdir)/m4/c-strtod.m4 $(top_srcdir)/m4/extensions.m4 \
54 $(top_srcdir)/m4/gnulib-comp.m4 $(top_srcdir)/m4/getopt.m4 \ 54 $(top_srcdir)/m4/gnulib-common.m4 \
55 $(top_srcdir)/m4/gnulib-comp.m4 \
56 $(top_srcdir)/m4/include_next.m4 $(top_srcdir)/m4/mktime.m4 \
57 $(top_srcdir)/m4/multiarch.m4 $(top_srcdir)/m4/stddef_h.m4 \
58 $(top_srcdir)/m4/time_h.m4 $(top_srcdir)/m4/time_r.m4 \
59 $(top_srcdir)/m4/wchar_t.m4 $(top_srcdir)/m4/getopt.m4 \
55 $(top_srcdir)/configure.in 60 $(top_srcdir)/configure.in
56am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ 61am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
57 $(ACLOCAL_M4) 62 $(ACLOCAL_M4)
@@ -84,6 +89,7 @@ ALLOCA = @ALLOCA@
84ALSA_CFLAGS = @ALSA_CFLAGS@ 89ALSA_CFLAGS = @ALSA_CFLAGS@
85ALSA_LIBS = @ALSA_LIBS@ 90ALSA_LIBS = @ALSA_LIBS@
86AMTAR = @AMTAR@ 91AMTAR = @AMTAR@
92APPLE_UNIVERSAL_BUILD = @APPLE_UNIVERSAL_BUILD@
87AUTOCONF = @AUTOCONF@ 93AUTOCONF = @AUTOCONF@
88AUTOHEADER = @AUTOHEADER@ 94AUTOHEADER = @AUTOHEADER@
89AUTOMAKE = @AUTOMAKE@ 95AUTOMAKE = @AUTOMAKE@
@@ -129,6 +135,11 @@ GETLOADAVG_LIBS = @GETLOADAVG_LIBS@
129GETOPTOBJS = @GETOPTOBJS@ 135GETOPTOBJS = @GETOPTOBJS@
130GETOPT_H = @GETOPT_H@ 136GETOPT_H = @GETOPT_H@
131GMALLOC_OBJ = @GMALLOC_OBJ@ 137GMALLOC_OBJ = @GMALLOC_OBJ@
138GNULIB_MKTIME = @GNULIB_MKTIME@
139GNULIB_NANOSLEEP = @GNULIB_NANOSLEEP@
140GNULIB_STRPTIME = @GNULIB_STRPTIME@
141GNULIB_TIMEGM = @GNULIB_TIMEGM@
142GNULIB_TIME_R = @GNULIB_TIME_R@
132GNU_OBJC_CFLAGS = @GNU_OBJC_CFLAGS@ 143GNU_OBJC_CFLAGS = @GNU_OBJC_CFLAGS@
133GREP = @GREP@ 144GREP = @GREP@
134GTK_CFLAGS = @GTK_CFLAGS@ 145GTK_CFLAGS = @GTK_CFLAGS@
@@ -136,10 +147,17 @@ GTK_LIBS = @GTK_LIBS@
136GTK_OBJ = @GTK_OBJ@ 147GTK_OBJ = @GTK_OBJ@
137GZIP_INFO = @GZIP_INFO@ 148GZIP_INFO = @GZIP_INFO@
138GZIP_PROG = @GZIP_PROG@ 149GZIP_PROG = @GZIP_PROG@
150HAVE_DECL_LOCALTIME_R = @HAVE_DECL_LOCALTIME_R@
139HAVE_MAKEINFO = @HAVE_MAKEINFO@ 151HAVE_MAKEINFO = @HAVE_MAKEINFO@
152HAVE_NANOSLEEP = @HAVE_NANOSLEEP@
153HAVE_STRPTIME = @HAVE_STRPTIME@
154HAVE_TIMEGM = @HAVE_TIMEGM@
155HAVE_WCHAR_T = @HAVE_WCHAR_T@
140HAVE_XSERVER = @HAVE_XSERVER@ 156HAVE_XSERVER = @HAVE_XSERVER@
141IMAGEMAGICK_CFLAGS = @IMAGEMAGICK_CFLAGS@ 157IMAGEMAGICK_CFLAGS = @IMAGEMAGICK_CFLAGS@
142IMAGEMAGICK_LIBS = @IMAGEMAGICK_LIBS@ 158IMAGEMAGICK_LIBS = @IMAGEMAGICK_LIBS@
159INCLUDE_NEXT = @INCLUDE_NEXT@
160INCLUDE_NEXT_AS_FIRST_DIRECTIVE = @INCLUDE_NEXT_AS_FIRST_DIRECTIVE@
143INSTALL = @INSTALL@ 161INSTALL = @INSTALL@
144INSTALL_DATA = @INSTALL_DATA@ 162INSTALL_DATA = @INSTALL_DATA@
145INSTALL_INFO = @INSTALL_INFO@ 163INSTALL_INFO = @INSTALL_INFO@
@@ -198,6 +216,10 @@ MKDIR_P = @MKDIR_P@
198MOUSE_SUPPORT = @MOUSE_SUPPORT@ 216MOUSE_SUPPORT = @MOUSE_SUPPORT@
199M_FILE = @M_FILE@ 217M_FILE = @M_FILE@
200NEED_SETGID = @NEED_SETGID@ 218NEED_SETGID = @NEED_SETGID@
219NEXT_AS_FIRST_DIRECTIVE_STDDEF_H = @NEXT_AS_FIRST_DIRECTIVE_STDDEF_H@
220NEXT_AS_FIRST_DIRECTIVE_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_TIME_H@
221NEXT_STDDEF_H = @NEXT_STDDEF_H@
222NEXT_TIME_H = @NEXT_TIME_H@
201NS_OBJ = @NS_OBJ@ 223NS_OBJ = @NS_OBJ@
202NS_SUPPORT = @NS_SUPPORT@ 224NS_SUPPORT = @NS_SUPPORT@
203OBJEXT = @OBJEXT@ 225OBJEXT = @OBJEXT@
@@ -215,19 +237,30 @@ PACKAGE_VERSION = @PACKAGE_VERSION@
215PATH_SEPARATOR = @PATH_SEPARATOR@ 237PATH_SEPARATOR = @PATH_SEPARATOR@
216PKG_CONFIG = @PKG_CONFIG@ 238PKG_CONFIG = @PKG_CONFIG@
217POST_ALLOC_OBJ = @POST_ALLOC_OBJ@ 239POST_ALLOC_OBJ = @POST_ALLOC_OBJ@
240PRAGMA_COLUMNS = @PRAGMA_COLUMNS@
241PRAGMA_SYSTEM_HEADER = @PRAGMA_SYSTEM_HEADER@
218PRE_ALLOC_OBJ = @PRE_ALLOC_OBJ@ 242PRE_ALLOC_OBJ = @PRE_ALLOC_OBJ@
219PROFILING_CFLAGS = @PROFILING_CFLAGS@ 243PROFILING_CFLAGS = @PROFILING_CFLAGS@
244PTHREAD_H_DEFINES_STRUCT_TIMESPEC = @PTHREAD_H_DEFINES_STRUCT_TIMESPEC@
220RALLOC_OBJ = @RALLOC_OBJ@ 245RALLOC_OBJ = @RALLOC_OBJ@
221RANLIB = @RANLIB@ 246RANLIB = @RANLIB@
247REPLACE_LOCALTIME_R = @REPLACE_LOCALTIME_R@
248REPLACE_MKTIME = @REPLACE_MKTIME@
249REPLACE_NANOSLEEP = @REPLACE_NANOSLEEP@
250REPLACE_NULL = @REPLACE_NULL@
251REPLACE_TIMEGM = @REPLACE_TIMEGM@
222RSVG_CFLAGS = @RSVG_CFLAGS@ 252RSVG_CFLAGS = @RSVG_CFLAGS@
223RSVG_LIBS = @RSVG_LIBS@ 253RSVG_LIBS = @RSVG_LIBS@
224SET_MAKE = @SET_MAKE@ 254SET_MAKE = @SET_MAKE@
225SHELL = @SHELL@ 255SHELL = @SHELL@
226START_FILES = @START_FILES@ 256START_FILES = @START_FILES@
257STDDEF_H = @STDDEF_H@
227STRIP = @STRIP@ 258STRIP = @STRIP@
259SYS_TIME_H_DEFINES_STRUCT_TIMESPEC = @SYS_TIME_H_DEFINES_STRUCT_TIMESPEC@
228S_FILE = @S_FILE@ 260S_FILE = @S_FILE@
229TEMACS_LDFLAGS2 = @TEMACS_LDFLAGS2@ 261TEMACS_LDFLAGS2 = @TEMACS_LDFLAGS2@
230TERMCAP_OBJ = @TERMCAP_OBJ@ 262TERMCAP_OBJ = @TERMCAP_OBJ@
263TIME_H_DEFINES_STRUCT_TIMESPEC = @TIME_H_DEFINES_STRUCT_TIMESPEC@
231TOOLKIT_LIBW = @TOOLKIT_LIBW@ 264TOOLKIT_LIBW = @TOOLKIT_LIBW@
232TOOLTIP_SUPPORT = @TOOLTIP_SUPPORT@ 265TOOLTIP_SUPPORT = @TOOLTIP_SUPPORT@
233UNEXEC_OBJ = @UNEXEC_OBJ@ 266UNEXEC_OBJ = @UNEXEC_OBJ@
@@ -313,15 +346,33 @@ top_builddir = @top_builddir@
313top_srcdir = @top_srcdir@ 346top_srcdir = @top_srcdir@
314version = @version@ 347version = @version@
315x_default_search_path = @x_default_search_path@ 348x_default_search_path = @x_default_search_path@
316BUILT_SOURCES = 349
317EXTRA_DIST = intprops.h 350# The BUILT_SOURCES created by this Makefile snippet are not used via #include
318MOSTLYCLEANFILES = core *.stackdump 351# statements but through direct file reference. Therefore this snippet must be
352# present in all Makefile.am that need it. This is ensured by the applicability
353# 'all' defined above.
354
355# The BUILT_SOURCES created by this Makefile snippet are not used via #include
356# statements but through direct file reference. Therefore this snippet must be
357# present in all Makefile.am that need it. This is ensured by the applicability
358# 'all' defined above.
359BUILT_SOURCES = arg-nonnull.h c++defs.h $(STDDEF_H) time.h \
360 warn-on-use.h
361EXTRA_DIST = $(top_srcdir)/./arg-nonnull.h $(top_srcdir)/./c++defs.h \
362 intprops.h mktime-internal.h mktime.c stddef.in.h time.in.h \
363 time_r.c $(top_srcdir)/./warn-on-use.h
364MOSTLYCLEANFILES = core *.stackdump arg-nonnull.h arg-nonnull.h-t \
365 c++defs.h c++defs.h-t stddef.h stddef.h-t time.h time.h-t \
366 warn-on-use.h warn-on-use.h-t
319noinst_LIBRARIES = libgnu.a 367noinst_LIBRARIES = libgnu.a
320DEFAULT_INCLUDES = -I. -I../src -I$(top_srcdir)/src 368DEFAULT_INCLUDES = -I. -I../src -I$(top_srcdir)/src
321libgnu_a_SOURCES = ftoastr.h ftoastr.c dtoastr.c ldtoastr.c 369libgnu_a_SOURCES = ftoastr.h ftoastr.c dtoastr.c ldtoastr.c
322libgnu_a_LIBADD = $(gl_LIBOBJS) 370libgnu_a_LIBADD = $(gl_LIBOBJS)
323libgnu_a_DEPENDENCIES = $(gl_LIBOBJS) 371libgnu_a_DEPENDENCIES = $(gl_LIBOBJS)
324EXTRA_libgnu_a_SOURCES = 372EXTRA_libgnu_a_SOURCES = mktime.c time_r.c
373ARG_NONNULL_H = arg-nonnull.h
374CXXDEFS_H = c++defs.h
375WARN_ON_USE_H = warn-on-use.h
325all: $(BUILT_SOURCES) 376all: $(BUILT_SOURCES)
326 $(MAKE) $(AM_MAKEFLAGS) all-am 377 $(MAKE) $(AM_MAKEFLAGS) all-am
327 378
@@ -374,6 +425,8 @@ distclean-compile:
374@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dtoastr.Po@am__quote@ 425@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dtoastr.Po@am__quote@
375@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ftoastr.Po@am__quote@ 426@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ftoastr.Po@am__quote@
376@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ldtoastr.Po@am__quote@ 427@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ldtoastr.Po@am__quote@
428@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mktime.Po@am__quote@
429@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/time_r.Po@am__quote@
377 430
378.c.o: 431.c.o:
379@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< 432@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@@ -589,6 +642,77 @@ uninstall-am:
589 mostlyclean-generic mostlyclean-local pdf pdf-am ps ps-am tags \ 642 mostlyclean-generic mostlyclean-local pdf pdf-am ps ps-am tags \
590 uninstall uninstall-am 643 uninstall uninstall-am
591 644
645# The arg-nonnull.h that gets inserted into generated .h files is the same as
646# build-aux/arg-nonnull.h, except that it has the copyright header cut off.
647arg-nonnull.h: $(top_srcdir)/./arg-nonnull.h
648 $(AM_V_GEN)rm -f $@-t $@ && \
649 sed -n -e '/GL_ARG_NONNULL/,$$p' \
650 < $(top_srcdir)/./arg-nonnull.h \
651 > $@-t && \
652 mv $@-t $@
653# The c++defs.h that gets inserted into generated .h files is the same as
654# build-aux/c++defs.h, except that it has the copyright header cut off.
655c++defs.h: $(top_srcdir)/./c++defs.h
656 $(AM_V_GEN)rm -f $@-t $@ && \
657 sed -n -e '/_GL_CXXDEFS/,$$p' \
658 < $(top_srcdir)/./c++defs.h \
659 > $@-t && \
660 mv $@-t $@
661
662# We need the following in order to create <stddef.h> when the system
663# doesn't have one that works with the given compiler.
664stddef.h: stddef.in.h
665 $(AM_V_GEN)rm -f $@-t $@ && \
666 { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
667 sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
668 -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
669 -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
670 -e 's|@''NEXT_STDDEF_H''@|$(NEXT_STDDEF_H)|g' \
671 -e 's|@''HAVE_WCHAR_T''@|$(HAVE_WCHAR_T)|g' \
672 -e 's|@''REPLACE_NULL''@|$(REPLACE_NULL)|g' \
673 < $(srcdir)/stddef.in.h; \
674 } > $@-t && \
675 mv $@-t $@
676
677# We need the following in order to create <time.h> when the system
678# doesn't have one that works with the given compiler.
679time.h: time.in.h $(CXXDEFS_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H)
680 $(AM_V_GEN)rm -f $@-t $@ && \
681 { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
682 sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
683 -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
684 -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
685 -e 's|@''NEXT_TIME_H''@|$(NEXT_TIME_H)|g' \
686 -e 's|@''GNULIB_MKTIME''@|$(GNULIB_MKTIME)|g' \
687 -e 's|@''GNULIB_NANOSLEEP''@|$(GNULIB_NANOSLEEP)|g' \
688 -e 's|@''GNULIB_STRPTIME''@|$(GNULIB_STRPTIME)|g' \
689 -e 's|@''GNULIB_TIMEGM''@|$(GNULIB_TIMEGM)|g' \
690 -e 's|@''GNULIB_TIME_R''@|$(GNULIB_TIME_R)|g' \
691 -e 's|@''HAVE_DECL_LOCALTIME_R''@|$(HAVE_DECL_LOCALTIME_R)|g' \
692 -e 's|@''HAVE_NANOSLEEP''@|$(HAVE_NANOSLEEP)|g' \
693 -e 's|@''HAVE_STRPTIME''@|$(HAVE_STRPTIME)|g' \
694 -e 's|@''HAVE_TIMEGM''@|$(HAVE_TIMEGM)|g' \
695 -e 's|@''REPLACE_LOCALTIME_R''@|$(REPLACE_LOCALTIME_R)|g' \
696 -e 's|@''REPLACE_MKTIME''@|$(REPLACE_MKTIME)|g' \
697 -e 's|@''REPLACE_NANOSLEEP''@|$(REPLACE_NANOSLEEP)|g' \
698 -e 's|@''REPLACE_TIMEGM''@|$(REPLACE_TIMEGM)|g' \
699 -e 's|@''PTHREAD_H_DEFINES_STRUCT_TIMESPEC''@|$(PTHREAD_H_DEFINES_STRUCT_TIMESPEC)|g' \
700 -e 's|@''SYS_TIME_H_DEFINES_STRUCT_TIMESPEC''@|$(SYS_TIME_H_DEFINES_STRUCT_TIMESPEC)|g' \
701 -e 's|@''TIME_H_DEFINES_STRUCT_TIMESPEC''@|$(TIME_H_DEFINES_STRUCT_TIMESPEC)|g' \
702 -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
703 -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
704 -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
705 < $(srcdir)/time.in.h; \
706 } > $@-t && \
707 mv $@-t $@
708# The warn-on-use.h that gets inserted into generated .h files is the same as
709# build-aux/warn-on-use.h, except that it has the copyright header cut off.
710warn-on-use.h: $(top_srcdir)/./warn-on-use.h
711 $(AM_V_GEN)rm -f $@-t $@ && \
712 sed -n -e '/^.ifndef/,$$p' \
713 < $(top_srcdir)/./warn-on-use.h \
714 > $@-t && \
715 mv $@-t $@
592 716
593mostlyclean-local: mostlyclean-generic 717mostlyclean-local: mostlyclean-generic
594 @for dir in '' $(MOSTLYCLEANDIRS); do \ 718 @for dir in '' $(MOSTLYCLEANDIRS); do \
diff --git a/lib/gnulib.mk b/lib/gnulib.mk
index 78d89d99281..a091e399be1 100644
--- a/lib/gnulib.mk
+++ b/lib/gnulib.mk
@@ -9,7 +9,7 @@
9# the same distribution terms as the rest of that program. 9# the same distribution terms as the rest of that program.
10# 10#
11# Generated by gnulib-tool. 11# Generated by gnulib-tool.
12# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=. --makefile-name=gnulib.mk --no-libtool --macro-prefix=gl --no-vc-files ftoastr 12# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=. --makefile-name=gnulib.mk --no-libtool --macro-prefix=gl --no-vc-files ftoastr mktime
13 13
14 14
15MOSTLYCLEANFILES += core *.stackdump 15MOSTLYCLEANFILES += core *.stackdump
@@ -21,6 +21,54 @@ libgnu_a_LIBADD = $(gl_LIBOBJS)
21libgnu_a_DEPENDENCIES = $(gl_LIBOBJS) 21libgnu_a_DEPENDENCIES = $(gl_LIBOBJS)
22EXTRA_libgnu_a_SOURCES = 22EXTRA_libgnu_a_SOURCES =
23 23
24## begin gnulib module arg-nonnull
25
26# The BUILT_SOURCES created by this Makefile snippet are not used via #include
27# statements but through direct file reference. Therefore this snippet must be
28# present in all Makefile.am that need it. This is ensured by the applicability
29# 'all' defined above.
30
31BUILT_SOURCES += arg-nonnull.h
32# The arg-nonnull.h that gets inserted into generated .h files is the same as
33# build-aux/arg-nonnull.h, except that it has the copyright header cut off.
34arg-nonnull.h: $(top_srcdir)/./arg-nonnull.h
35 $(AM_V_GEN)rm -f $@-t $@ && \
36 sed -n -e '/GL_ARG_NONNULL/,$$p' \
37 < $(top_srcdir)/./arg-nonnull.h \
38 > $@-t && \
39 mv $@-t $@
40MOSTLYCLEANFILES += arg-nonnull.h arg-nonnull.h-t
41
42ARG_NONNULL_H=arg-nonnull.h
43
44EXTRA_DIST += $(top_srcdir)/./arg-nonnull.h
45
46## end gnulib module arg-nonnull
47
48## begin gnulib module c++defs
49
50# The BUILT_SOURCES created by this Makefile snippet are not used via #include
51# statements but through direct file reference. Therefore this snippet must be
52# present in all Makefile.am that need it. This is ensured by the applicability
53# 'all' defined above.
54
55BUILT_SOURCES += c++defs.h
56# The c++defs.h that gets inserted into generated .h files is the same as
57# build-aux/c++defs.h, except that it has the copyright header cut off.
58c++defs.h: $(top_srcdir)/./c++defs.h
59 $(AM_V_GEN)rm -f $@-t $@ && \
60 sed -n -e '/_GL_CXXDEFS/,$$p' \
61 < $(top_srcdir)/./c++defs.h \
62 > $@-t && \
63 mv $@-t $@
64MOSTLYCLEANFILES += c++defs.h c++defs.h-t
65
66CXXDEFS_H=c++defs.h
67
68EXTRA_DIST += $(top_srcdir)/./c++defs.h
69
70## end gnulib module c++defs
71
24## begin gnulib module ftoastr 72## begin gnulib module ftoastr
25 73
26libgnu_a_SOURCES += ftoastr.h ftoastr.c dtoastr.c ldtoastr.c 74libgnu_a_SOURCES += ftoastr.h ftoastr.c dtoastr.c ldtoastr.c
@@ -34,6 +82,108 @@ EXTRA_DIST += intprops.h
34 82
35## end gnulib module intprops 83## end gnulib module intprops
36 84
85## begin gnulib module mktime
86
87
88EXTRA_DIST += mktime-internal.h mktime.c
89
90EXTRA_libgnu_a_SOURCES += mktime.c
91
92## end gnulib module mktime
93
94## begin gnulib module stddef
95
96BUILT_SOURCES += $(STDDEF_H)
97
98# We need the following in order to create <stddef.h> when the system
99# doesn't have one that works with the given compiler.
100stddef.h: stddef.in.h
101 $(AM_V_GEN)rm -f $@-t $@ && \
102 { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
103 sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
104 -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
105 -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
106 -e 's|@''NEXT_STDDEF_H''@|$(NEXT_STDDEF_H)|g' \
107 -e 's|@''HAVE_WCHAR_T''@|$(HAVE_WCHAR_T)|g' \
108 -e 's|@''REPLACE_NULL''@|$(REPLACE_NULL)|g' \
109 < $(srcdir)/stddef.in.h; \
110 } > $@-t && \
111 mv $@-t $@
112MOSTLYCLEANFILES += stddef.h stddef.h-t
113
114EXTRA_DIST += stddef.in.h
115
116## end gnulib module stddef
117
118## begin gnulib module time
119
120BUILT_SOURCES += time.h
121
122# We need the following in order to create <time.h> when the system
123# doesn't have one that works with the given compiler.
124time.h: time.in.h $(CXXDEFS_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H)
125 $(AM_V_GEN)rm -f $@-t $@ && \
126 { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
127 sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
128 -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
129 -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
130 -e 's|@''NEXT_TIME_H''@|$(NEXT_TIME_H)|g' \
131 -e 's|@''GNULIB_MKTIME''@|$(GNULIB_MKTIME)|g' \
132 -e 's|@''GNULIB_NANOSLEEP''@|$(GNULIB_NANOSLEEP)|g' \
133 -e 's|@''GNULIB_STRPTIME''@|$(GNULIB_STRPTIME)|g' \
134 -e 's|@''GNULIB_TIMEGM''@|$(GNULIB_TIMEGM)|g' \
135 -e 's|@''GNULIB_TIME_R''@|$(GNULIB_TIME_R)|g' \
136 -e 's|@''HAVE_DECL_LOCALTIME_R''@|$(HAVE_DECL_LOCALTIME_R)|g' \
137 -e 's|@''HAVE_NANOSLEEP''@|$(HAVE_NANOSLEEP)|g' \
138 -e 's|@''HAVE_STRPTIME''@|$(HAVE_STRPTIME)|g' \
139 -e 's|@''HAVE_TIMEGM''@|$(HAVE_TIMEGM)|g' \
140 -e 's|@''REPLACE_LOCALTIME_R''@|$(REPLACE_LOCALTIME_R)|g' \
141 -e 's|@''REPLACE_MKTIME''@|$(REPLACE_MKTIME)|g' \
142 -e 's|@''REPLACE_NANOSLEEP''@|$(REPLACE_NANOSLEEP)|g' \
143 -e 's|@''REPLACE_TIMEGM''@|$(REPLACE_TIMEGM)|g' \
144 -e 's|@''PTHREAD_H_DEFINES_STRUCT_TIMESPEC''@|$(PTHREAD_H_DEFINES_STRUCT_TIMESPEC)|g' \
145 -e 's|@''SYS_TIME_H_DEFINES_STRUCT_TIMESPEC''@|$(SYS_TIME_H_DEFINES_STRUCT_TIMESPEC)|g' \
146 -e 's|@''TIME_H_DEFINES_STRUCT_TIMESPEC''@|$(TIME_H_DEFINES_STRUCT_TIMESPEC)|g' \
147 -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
148 -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
149 -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
150 < $(srcdir)/time.in.h; \
151 } > $@-t && \
152 mv $@-t $@
153MOSTLYCLEANFILES += time.h time.h-t
154
155EXTRA_DIST += time.in.h
156
157## end gnulib module time
158
159## begin gnulib module time_r
160
161
162EXTRA_DIST += time_r.c
163
164EXTRA_libgnu_a_SOURCES += time_r.c
165
166## end gnulib module time_r
167
168## begin gnulib module warn-on-use
169
170BUILT_SOURCES += warn-on-use.h
171# The warn-on-use.h that gets inserted into generated .h files is the same as
172# build-aux/warn-on-use.h, except that it has the copyright header cut off.
173warn-on-use.h: $(top_srcdir)/./warn-on-use.h
174 $(AM_V_GEN)rm -f $@-t $@ && \
175 sed -n -e '/^.ifndef/,$$p' \
176 < $(top_srcdir)/./warn-on-use.h \
177 > $@-t && \
178 mv $@-t $@
179MOSTLYCLEANFILES += warn-on-use.h warn-on-use.h-t
180
181WARN_ON_USE_H=warn-on-use.h
182
183EXTRA_DIST += $(top_srcdir)/./warn-on-use.h
184
185## end gnulib module warn-on-use
186
37 187
38mostlyclean-local: mostlyclean-generic 188mostlyclean-local: mostlyclean-generic
39 @for dir in '' $(MOSTLYCLEANDIRS); do \ 189 @for dir in '' $(MOSTLYCLEANDIRS); do \
diff --git a/lib/mktime-internal.h b/lib/mktime-internal.h
new file mode 100644
index 00000000000..4287acf4aca
--- /dev/null
+++ b/lib/mktime-internal.h
@@ -0,0 +1,4 @@
1#include <time.h>
2time_t mktime_internal (struct tm *,
3 struct tm * (*) (time_t const *, struct tm *),
4 time_t *);
diff --git a/lib/mktime.c b/lib/mktime.c
new file mode 100644
index 00000000000..f77330564fc
--- /dev/null
+++ b/lib/mktime.c
@@ -0,0 +1,669 @@
1/* Convert a `struct tm' to a time_t value.
2 Copyright (C) 1993-1999, 2002-2007, 2009-2011 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Paul Eggert <eggert@twinsun.com>.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License along
17 with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19
20/* Define this to have a standalone program to test this implementation of
21 mktime. */
22/* #define DEBUG 1 */
23
24#ifndef _LIBC
25# include <config.h>
26#endif
27
28/* Assume that leap seconds are possible, unless told otherwise.
29 If the host has a `zic' command with a `-L leapsecondfilename' option,
30 then it supports leap seconds; otherwise it probably doesn't. */
31#ifndef LEAP_SECONDS_POSSIBLE
32# define LEAP_SECONDS_POSSIBLE 1
33#endif
34
35#include <time.h>
36
37#include <limits.h>
38
39#include <string.h> /* For the real memcpy prototype. */
40
41#if DEBUG
42# include <stdio.h>
43# include <stdlib.h>
44/* Make it work even if the system's libc has its own mktime routine. */
45# define mktime my_mktime
46#endif /* DEBUG */
47
48/* Shift A right by B bits portably, by dividing A by 2**B and
49 truncating towards minus infinity. A and B should be free of side
50 effects, and B should be in the range 0 <= B <= INT_BITS - 2, where
51 INT_BITS is the number of useful bits in an int. GNU code can
52 assume that INT_BITS is at least 32.
53
54 ISO C99 says that A >> B is implementation-defined if A < 0. Some
55 implementations (e.g., UNICOS 9.0 on a Cray Y-MP EL) don't shift
56 right in the usual way when A < 0, so SHR falls back on division if
57 ordinary A >> B doesn't seem to be the usual signed shift. */
58#define SHR(a, b) \
59 (-1 >> 1 == -1 \
60 ? (a) >> (b) \
61 : (a) / (1 << (b)) - ((a) % (1 << (b)) < 0))
62
63/* The extra casts in the following macros work around compiler bugs,
64 e.g., in Cray C 5.0.3.0. */
65
66/* True if the arithmetic type T is an integer type. bool counts as
67 an integer. */
68#define TYPE_IS_INTEGER(t) ((t) 1.5 == 1)
69
70/* True if negative values of the signed integer type T use two's
71 complement, ones' complement, or signed magnitude representation,
72 respectively. Much GNU code assumes two's complement, but some
73 people like to be portable to all possible C hosts. */
74#define TYPE_TWOS_COMPLEMENT(t) ((t) ~ (t) 0 == (t) -1)
75#define TYPE_ONES_COMPLEMENT(t) ((t) ~ (t) 0 == 0)
76#define TYPE_SIGNED_MAGNITUDE(t) ((t) ~ (t) 0 < (t) -1)
77
78/* True if the arithmetic type T is signed. */
79#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
80
81/* The maximum and minimum values for the integer type T. These
82 macros have undefined behavior if T is signed and has padding bits.
83 If this is a problem for you, please let us know how to fix it for
84 your host. */
85#define TYPE_MINIMUM(t) \
86 ((t) (! TYPE_SIGNED (t) \
87 ? (t) 0 \
88 : TYPE_SIGNED_MAGNITUDE (t) \
89 ? ~ (t) 0 \
90 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
91#define TYPE_MAXIMUM(t) \
92 ((t) (! TYPE_SIGNED (t) \
93 ? (t) -1 \
94 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
95
96#ifndef TIME_T_MIN
97# define TIME_T_MIN TYPE_MINIMUM (time_t)
98#endif
99#ifndef TIME_T_MAX
100# define TIME_T_MAX TYPE_MAXIMUM (time_t)
101#endif
102#define TIME_T_MIDPOINT (SHR (TIME_T_MIN + TIME_T_MAX, 1) + 1)
103
104/* Verify a requirement at compile-time (unlike assert, which is runtime). */
105#define verify(name, assertion) struct name { char a[(assertion) ? 1 : -1]; }
106
107verify (time_t_is_integer, TYPE_IS_INTEGER (time_t));
108verify (twos_complement_arithmetic, TYPE_TWOS_COMPLEMENT (int));
109/* The code also assumes that signed integer overflow silently wraps
110 around, but this assumption can't be stated without causing a
111 diagnostic on some hosts. */
112
113#define EPOCH_YEAR 1970
114#define TM_YEAR_BASE 1900
115verify (base_year_is_a_multiple_of_100, TM_YEAR_BASE % 100 == 0);
116
117/* Return 1 if YEAR + TM_YEAR_BASE is a leap year. */
118static inline int
119leapyear (long int year)
120{
121 /* Don't add YEAR to TM_YEAR_BASE, as that might overflow.
122 Also, work even if YEAR is negative. */
123 return
124 ((year & 3) == 0
125 && (year % 100 != 0
126 || ((year / 100) & 3) == (- (TM_YEAR_BASE / 100) & 3)));
127}
128
129/* How many days come before each month (0-12). */
130#ifndef _LIBC
131static
132#endif
133const unsigned short int __mon_yday[2][13] =
134 {
135 /* Normal years. */
136 { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
137 /* Leap years. */
138 { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
139 };
140
141
142#ifndef _LIBC
143/* Portable standalone applications should supply a <time.h> that
144 declares a POSIX-compliant localtime_r, for the benefit of older
145 implementations that lack localtime_r or have a nonstandard one.
146 See the gnulib time_r module for one way to implement this. */
147# undef __localtime_r
148# define __localtime_r localtime_r
149# define __mktime_internal mktime_internal
150# include "mktime-internal.h"
151#endif
152
153/* Return an integer value measuring (YEAR1-YDAY1 HOUR1:MIN1:SEC1) -
154 (YEAR0-YDAY0 HOUR0:MIN0:SEC0) in seconds, assuming that the clocks
155 were not adjusted between the time stamps.
156
157 The YEAR values uses the same numbering as TP->tm_year. Values
158 need not be in the usual range. However, YEAR1 must not be less
159 than 2 * INT_MIN or greater than 2 * INT_MAX.
160
161 The result may overflow. It is the caller's responsibility to
162 detect overflow. */
163
164static inline time_t
165ydhms_diff (long int year1, long int yday1, int hour1, int min1, int sec1,
166 int year0, int yday0, int hour0, int min0, int sec0)
167{
168 verify (C99_integer_division, -1 / 2 == 0);
169#if 0 /* This assertion fails on 32-bit systems with 64-bit time_t, such as
170 NetBSD 5 on i386. */
171 verify (long_int_year_and_yday_are_wide_enough,
172 INT_MAX <= LONG_MAX / 2 || TIME_T_MAX <= UINT_MAX);
173#endif
174
175 /* Compute intervening leap days correctly even if year is negative.
176 Take care to avoid integer overflow here. */
177 int a4 = SHR (year1, 2) + SHR (TM_YEAR_BASE, 2) - ! (year1 & 3);
178 int b4 = SHR (year0, 2) + SHR (TM_YEAR_BASE, 2) - ! (year0 & 3);
179 int a100 = a4 / 25 - (a4 % 25 < 0);
180 int b100 = b4 / 25 - (b4 % 25 < 0);
181 int a400 = SHR (a100, 2);
182 int b400 = SHR (b100, 2);
183 int intervening_leap_days = (a4 - b4) - (a100 - b100) + (a400 - b400);
184
185 /* Compute the desired time in time_t precision. Overflow might
186 occur here. */
187 time_t tyear1 = year1;
188 time_t years = tyear1 - year0;
189 time_t days = 365 * years + yday1 - yday0 + intervening_leap_days;
190 time_t hours = 24 * days + hour1 - hour0;
191 time_t minutes = 60 * hours + min1 - min0;
192 time_t seconds = 60 * minutes + sec1 - sec0;
193 return seconds;
194}
195
196
197/* Return a time_t value corresponding to (YEAR-YDAY HOUR:MIN:SEC),
198 assuming that *T corresponds to *TP and that no clock adjustments
199 occurred between *TP and the desired time.
200 If TP is null, return a value not equal to *T; this avoids false matches.
201 If overflow occurs, yield the minimal or maximal value, except do not
202 yield a value equal to *T. */
203static time_t
204guess_time_tm (long int year, long int yday, int hour, int min, int sec,
205 const time_t *t, const struct tm *tp)
206{
207 if (tp)
208 {
209 time_t d = ydhms_diff (year, yday, hour, min, sec,
210 tp->tm_year, tp->tm_yday,
211 tp->tm_hour, tp->tm_min, tp->tm_sec);
212 time_t t1 = *t + d;
213 if ((t1 < *t) == (TYPE_SIGNED (time_t) ? d < 0 : TIME_T_MAX / 2 < d))
214 return t1;
215 }
216
217 /* Overflow occurred one way or another. Return the nearest result
218 that is actually in range, except don't report a zero difference
219 if the actual difference is nonzero, as that would cause a false
220 match; and don't oscillate between two values, as that would
221 confuse the spring-forward gap detector. */
222 return (*t < TIME_T_MIDPOINT
223 ? (*t <= TIME_T_MIN + 1 ? *t + 1 : TIME_T_MIN)
224 : (TIME_T_MAX - 1 <= *t ? *t - 1 : TIME_T_MAX));
225}
226
227/* Use CONVERT to convert *T to a broken down time in *TP.
228 If *T is out of range for conversion, adjust it so that
229 it is the nearest in-range value and then convert that. */
230static struct tm *
231ranged_convert (struct tm *(*convert) (const time_t *, struct tm *),
232 time_t *t, struct tm *tp)
233{
234 struct tm *r = convert (t, tp);
235
236 if (!r && *t)
237 {
238 time_t bad = *t;
239 time_t ok = 0;
240
241 /* BAD is a known unconvertible time_t, and OK is a known good one.
242 Use binary search to narrow the range between BAD and OK until
243 they differ by 1. */
244 while (bad != ok + (bad < 0 ? -1 : 1))
245 {
246 time_t mid = *t = (bad < 0
247 ? bad + ((ok - bad) >> 1)
248 : ok + ((bad - ok) >> 1));
249 r = convert (t, tp);
250 if (r)
251 ok = mid;
252 else
253 bad = mid;
254 }
255
256 if (!r && ok)
257 {
258 /* The last conversion attempt failed;
259 revert to the most recent successful attempt. */
260 *t = ok;
261 r = convert (t, tp);
262 }
263 }
264
265 return r;
266}
267
268
269/* Convert *TP to a time_t value, inverting
270 the monotonic and mostly-unit-linear conversion function CONVERT.
271 Use *OFFSET to keep track of a guess at the offset of the result,
272 compared to what the result would be for UTC without leap seconds.
273 If *OFFSET's guess is correct, only one CONVERT call is needed.
274 This function is external because it is used also by timegm.c. */
275time_t
276__mktime_internal (struct tm *tp,
277 struct tm *(*convert) (const time_t *, struct tm *),
278 time_t *offset)
279{
280 time_t t, gt, t0, t1, t2;
281 struct tm tm;
282
283 /* The maximum number of probes (calls to CONVERT) should be enough
284 to handle any combinations of time zone rule changes, solar time,
285 leap seconds, and oscillations around a spring-forward gap.
286 POSIX.1 prohibits leap seconds, but some hosts have them anyway. */
287 int remaining_probes = 6;
288
289 /* Time requested. Copy it in case CONVERT modifies *TP; this can
290 occur if TP is localtime's returned value and CONVERT is localtime. */
291 int sec = tp->tm_sec;
292 int min = tp->tm_min;
293 int hour = tp->tm_hour;
294 int mday = tp->tm_mday;
295 int mon = tp->tm_mon;
296 int year_requested = tp->tm_year;
297 /* Normalize the value. */
298 int isdst = ((tp->tm_isdst >> (8 * sizeof (tp->tm_isdst) - 1))
299 | (tp->tm_isdst != 0));
300
301 /* 1 if the previous probe was DST. */
302 int dst2;
303
304 /* Ensure that mon is in range, and set year accordingly. */
305 int mon_remainder = mon % 12;
306 int negative_mon_remainder = mon_remainder < 0;
307 int mon_years = mon / 12 - negative_mon_remainder;
308 long int lyear_requested = year_requested;
309 long int year = lyear_requested + mon_years;
310
311 /* The other values need not be in range:
312 the remaining code handles minor overflows correctly,
313 assuming int and time_t arithmetic wraps around.
314 Major overflows are caught at the end. */
315
316 /* Calculate day of year from year, month, and day of month.
317 The result need not be in range. */
318 int mon_yday = ((__mon_yday[leapyear (year)]
319 [mon_remainder + 12 * negative_mon_remainder])
320 - 1);
321 long int lmday = mday;
322 long int yday = mon_yday + lmday;
323
324 time_t guessed_offset = *offset;
325
326 int sec_requested = sec;
327
328 if (LEAP_SECONDS_POSSIBLE)
329 {
330 /* Handle out-of-range seconds specially,
331 since ydhms_tm_diff assumes every minute has 60 seconds. */
332 if (sec < 0)
333 sec = 0;
334 if (59 < sec)
335 sec = 59;
336 }
337
338 /* Invert CONVERT by probing. First assume the same offset as last
339 time. */
340
341 t0 = ydhms_diff (year, yday, hour, min, sec,
342 EPOCH_YEAR - TM_YEAR_BASE, 0, 0, 0, - guessed_offset);
343
344 if (TIME_T_MAX / INT_MAX / 366 / 24 / 60 / 60 < 3)
345 {
346 /* time_t isn't large enough to rule out overflows, so check
347 for major overflows. A gross check suffices, since if t0
348 has overflowed, it is off by a multiple of TIME_T_MAX -
349 TIME_T_MIN + 1. So ignore any component of the difference
350 that is bounded by a small value. */
351
352 /* Approximate log base 2 of the number of time units per
353 biennium. A biennium is 2 years; use this unit instead of
354 years to avoid integer overflow. For example, 2 average
355 Gregorian years are 2 * 365.2425 * 24 * 60 * 60 seconds,
356 which is 63113904 seconds, and rint (log2 (63113904)) is
357 26. */
358 int ALOG2_SECONDS_PER_BIENNIUM = 26;
359 int ALOG2_MINUTES_PER_BIENNIUM = 20;
360 int ALOG2_HOURS_PER_BIENNIUM = 14;
361 int ALOG2_DAYS_PER_BIENNIUM = 10;
362 int LOG2_YEARS_PER_BIENNIUM = 1;
363
364 int approx_requested_biennia =
365 (SHR (year_requested, LOG2_YEARS_PER_BIENNIUM)
366 - SHR (EPOCH_YEAR - TM_YEAR_BASE, LOG2_YEARS_PER_BIENNIUM)
367 + SHR (mday, ALOG2_DAYS_PER_BIENNIUM)
368 + SHR (hour, ALOG2_HOURS_PER_BIENNIUM)
369 + SHR (min, ALOG2_MINUTES_PER_BIENNIUM)
370 + (LEAP_SECONDS_POSSIBLE
371 ? 0
372 : SHR (sec, ALOG2_SECONDS_PER_BIENNIUM)));
373
374 int approx_biennia = SHR (t0, ALOG2_SECONDS_PER_BIENNIUM);
375 int diff = approx_biennia - approx_requested_biennia;
376 int abs_diff = diff < 0 ? - diff : diff;
377
378 /* IRIX 4.0.5 cc miscaculates TIME_T_MIN / 3: it erroneously
379 gives a positive value of 715827882. Setting a variable
380 first then doing math on it seems to work.
381 (ghazi@caip.rutgers.edu) */
382 time_t time_t_max = TIME_T_MAX;
383 time_t time_t_min = TIME_T_MIN;
384 time_t overflow_threshold =
385 (time_t_max / 3 - time_t_min / 3) >> ALOG2_SECONDS_PER_BIENNIUM;
386
387 if (overflow_threshold < abs_diff)
388 {
389 /* Overflow occurred. Try repairing it; this might work if
390 the time zone offset is enough to undo the overflow. */
391 time_t repaired_t0 = -1 - t0;
392 approx_biennia = SHR (repaired_t0, ALOG2_SECONDS_PER_BIENNIUM);
393 diff = approx_biennia - approx_requested_biennia;
394 abs_diff = diff < 0 ? - diff : diff;
395 if (overflow_threshold < abs_diff)
396 return -1;
397 guessed_offset += repaired_t0 - t0;
398 t0 = repaired_t0;
399 }
400 }
401
402 /* Repeatedly use the error to improve the guess. */
403
404 for (t = t1 = t2 = t0, dst2 = 0;
405 (gt = guess_time_tm (year, yday, hour, min, sec, &t,
406 ranged_convert (convert, &t, &tm)),
407 t != gt);
408 t1 = t2, t2 = t, t = gt, dst2 = tm.tm_isdst != 0)
409 if (t == t1 && t != t2
410 && (tm.tm_isdst < 0
411 || (isdst < 0
412 ? dst2 <= (tm.tm_isdst != 0)
413 : (isdst != 0) != (tm.tm_isdst != 0))))
414 /* We can't possibly find a match, as we are oscillating
415 between two values. The requested time probably falls
416 within a spring-forward gap of size GT - T. Follow the common
417 practice in this case, which is to return a time that is GT - T
418 away from the requested time, preferring a time whose
419 tm_isdst differs from the requested value. (If no tm_isdst
420 was requested and only one of the two values has a nonzero
421 tm_isdst, prefer that value.) In practice, this is more
422 useful than returning -1. */
423 goto offset_found;
424 else if (--remaining_probes == 0)
425 return -1;
426
427 /* We have a match. Check whether tm.tm_isdst has the requested
428 value, if any. */
429 if (isdst != tm.tm_isdst && 0 <= isdst && 0 <= tm.tm_isdst)
430 {
431 /* tm.tm_isdst has the wrong value. Look for a neighboring
432 time with the right value, and use its UTC offset.
433
434 Heuristic: probe the adjacent timestamps in both directions,
435 looking for the desired isdst. This should work for all real
436 time zone histories in the tz database. */
437
438 /* Distance between probes when looking for a DST boundary. In
439 tzdata2003a, the shortest period of DST is 601200 seconds
440 (e.g., America/Recife starting 2000-10-08 01:00), and the
441 shortest period of non-DST surrounded by DST is 694800
442 seconds (Africa/Tunis starting 1943-04-17 01:00). Use the
443 minimum of these two values, so we don't miss these short
444 periods when probing. */
445 int stride = 601200;
446
447 /* The longest period of DST in tzdata2003a is 536454000 seconds
448 (e.g., America/Jujuy starting 1946-10-01 01:00). The longest
449 period of non-DST is much longer, but it makes no real sense
450 to search for more than a year of non-DST, so use the DST
451 max. */
452 int duration_max = 536454000;
453
454 /* Search in both directions, so the maximum distance is half
455 the duration; add the stride to avoid off-by-1 problems. */
456 int delta_bound = duration_max / 2 + stride;
457
458 int delta, direction;
459
460 for (delta = stride; delta < delta_bound; delta += stride)
461 for (direction = -1; direction <= 1; direction += 2)
462 {
463 time_t ot = t + delta * direction;
464 if ((ot < t) == (direction < 0))
465 {
466 struct tm otm;
467 ranged_convert (convert, &ot, &otm);
468 if (otm.tm_isdst == isdst)
469 {
470 /* We found the desired tm_isdst.
471 Extrapolate back to the desired time. */
472 t = guess_time_tm (year, yday, hour, min, sec, &ot, &otm);
473 ranged_convert (convert, &t, &tm);
474 goto offset_found;
475 }
476 }
477 }
478 }
479
480 offset_found:
481 *offset = guessed_offset + t - t0;
482
483 if (LEAP_SECONDS_POSSIBLE && sec_requested != tm.tm_sec)
484 {
485 /* Adjust time to reflect the tm_sec requested, not the normalized value.
486 Also, repair any damage from a false match due to a leap second. */
487 int sec_adjustment = (sec == 0 && tm.tm_sec == 60) - sec;
488 t1 = t + sec_requested;
489 t2 = t1 + sec_adjustment;
490 if (((t1 < t) != (sec_requested < 0))
491 | ((t2 < t1) != (sec_adjustment < 0))
492 | ! convert (&t2, &tm))
493 return -1;
494 t = t2;
495 }
496
497 *tp = tm;
498 return t;
499}
500
501
502/* FIXME: This should use a signed type wide enough to hold any UTC
503 offset in seconds. 'int' should be good enough for GNU code. We
504 can't fix this unilaterally though, as other modules invoke
505 __mktime_internal. */
506static time_t localtime_offset;
507
508/* Convert *TP to a time_t value. */
509time_t
510mktime (struct tm *tp)
511{
512#ifdef _LIBC
513 /* POSIX.1 8.1.1 requires that whenever mktime() is called, the
514 time zone names contained in the external variable `tzname' shall
515 be set as if the tzset() function had been called. */
516 __tzset ();
517#endif
518
519 return __mktime_internal (tp, __localtime_r, &localtime_offset);
520}
521
522#ifdef weak_alias
523weak_alias (mktime, timelocal)
524#endif
525
526#ifdef _LIBC
527libc_hidden_def (mktime)
528libc_hidden_weak (timelocal)
529#endif
530
531#if DEBUG
532
533static int
534not_equal_tm (const struct tm *a, const struct tm *b)
535{
536 return ((a->tm_sec ^ b->tm_sec)
537 | (a->tm_min ^ b->tm_min)
538 | (a->tm_hour ^ b->tm_hour)
539 | (a->tm_mday ^ b->tm_mday)
540 | (a->tm_mon ^ b->tm_mon)
541 | (a->tm_year ^ b->tm_year)
542 | (a->tm_yday ^ b->tm_yday)
543 | (a->tm_isdst ^ b->tm_isdst));
544}
545
546static void
547print_tm (const struct tm *tp)
548{
549 if (tp)
550 printf ("%04d-%02d-%02d %02d:%02d:%02d yday %03d wday %d isdst %d",
551 tp->tm_year + TM_YEAR_BASE, tp->tm_mon + 1, tp->tm_mday,
552 tp->tm_hour, tp->tm_min, tp->tm_sec,
553 tp->tm_yday, tp->tm_wday, tp->tm_isdst);
554 else
555 printf ("0");
556}
557
558static int
559check_result (time_t tk, struct tm tmk, time_t tl, const struct tm *lt)
560{
561 if (tk != tl || !lt || not_equal_tm (&tmk, lt))
562 {
563 printf ("mktime (");
564 print_tm (lt);
565 printf (")\nyields (");
566 print_tm (&tmk);
567 printf (") == %ld, should be %ld\n", (long int) tk, (long int) tl);
568 return 1;
569 }
570
571 return 0;
572}
573
574int
575main (int argc, char **argv)
576{
577 int status = 0;
578 struct tm tm, tmk, tml;
579 struct tm *lt;
580 time_t tk, tl, tl1;
581 char trailer;
582
583 if ((argc == 3 || argc == 4)
584 && (sscanf (argv[1], "%d-%d-%d%c",
585 &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &trailer)
586 == 3)
587 && (sscanf (argv[2], "%d:%d:%d%c",
588 &tm.tm_hour, &tm.tm_min, &tm.tm_sec, &trailer)
589 == 3))
590 {
591 tm.tm_year -= TM_YEAR_BASE;
592 tm.tm_mon--;
593 tm.tm_isdst = argc == 3 ? -1 : atoi (argv[3]);
594 tmk = tm;
595 tl = mktime (&tmk);
596 lt = localtime (&tl);
597 if (lt)
598 {
599 tml = *lt;
600 lt = &tml;
601 }
602 printf ("mktime returns %ld == ", (long int) tl);
603 print_tm (&tmk);
604 printf ("\n");
605 status = check_result (tl, tmk, tl, lt);
606 }
607 else if (argc == 4 || (argc == 5 && strcmp (argv[4], "-") == 0))
608 {
609 time_t from = atol (argv[1]);
610 time_t by = atol (argv[2]);
611 time_t to = atol (argv[3]);
612
613 if (argc == 4)
614 for (tl = from; by < 0 ? to <= tl : tl <= to; tl = tl1)
615 {
616 lt = localtime (&tl);
617 if (lt)
618 {
619 tmk = tml = *lt;
620 tk = mktime (&tmk);
621 status |= check_result (tk, tmk, tl, &tml);
622 }
623 else
624 {
625 printf ("localtime (%ld) yields 0\n", (long int) tl);
626 status = 1;
627 }
628 tl1 = tl + by;
629 if ((tl1 < tl) != (by < 0))
630 break;
631 }
632 else
633 for (tl = from; by < 0 ? to <= tl : tl <= to; tl = tl1)
634 {
635 /* Null benchmark. */
636 lt = localtime (&tl);
637 if (lt)
638 {
639 tmk = tml = *lt;
640 tk = tl;
641 status |= check_result (tk, tmk, tl, &tml);
642 }
643 else
644 {
645 printf ("localtime (%ld) yields 0\n", (long int) tl);
646 status = 1;
647 }
648 tl1 = tl + by;
649 if ((tl1 < tl) != (by < 0))
650 break;
651 }
652 }
653 else
654 printf ("Usage:\
655\t%s YYYY-MM-DD HH:MM:SS [ISDST] # Test given time.\n\
656\t%s FROM BY TO # Test values FROM, FROM+BY, ..., TO.\n\
657\t%s FROM BY TO - # Do not test those values (for benchmark).\n",
658 argv[0], argv[0], argv[0]);
659
660 return status;
661}
662
663#endif /* DEBUG */
664
665/*
666Local Variables:
667compile-command: "gcc -DDEBUG -Wall -W -O -g mktime.c -o mktime"
668End:
669*/
diff --git a/lib/stddef.in.h b/lib/stddef.in.h
new file mode 100644
index 00000000000..62a91a7a6a3
--- /dev/null
+++ b/lib/stddef.in.h
@@ -0,0 +1,87 @@
1/* A substitute for POSIX 2008 <stddef.h>, for platforms that have issues.
2
3 Copyright (C) 2009-2011 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18
19/* Written by Eric Blake. */
20
21/*
22 * POSIX 2008 <stddef.h> for platforms that have issues.
23 * <http://www.opengroup.org/susv3xbd/stddef.h.html>
24 */
25
26#if __GNUC__ >= 3
27@PRAGMA_SYSTEM_HEADER@
28#endif
29@PRAGMA_COLUMNS@
30
31#if defined __need_wchar_t || defined __need_size_t \
32 || defined __need_ptrdiff_t || defined __need_NULL \
33 || defined __need_wint_t
34/* Special invocation convention inside gcc header files. In
35 particular, gcc provides a version of <stddef.h> that blindly
36 redefines NULL even when __need_wint_t was defined, even though
37 wint_t is not normally provided by <stddef.h>. Hence, we must
38 remember if special invocation has ever been used to obtain wint_t,
39 in which case we need to clean up NULL yet again. */
40
41# if !(defined _GL_STDDEF_H && defined _GL_STDDEF_WINT_T)
42# ifdef __need_wint_t
43# undef _GL_STDDEF_H
44# define _GL_STDDEF_WINT_T
45# endif
46# @INCLUDE_NEXT@ @NEXT_STDDEF_H@
47# endif
48
49#else
50/* Normal invocation convention. */
51
52# ifndef _GL_STDDEF_H
53
54/* The include_next requires a split double-inclusion guard. */
55
56# @INCLUDE_NEXT@ @NEXT_STDDEF_H@
57
58# ifndef _GL_STDDEF_H
59# define _GL_STDDEF_H
60
61/* On NetBSD 5.0, the definition of NULL lacks proper parentheses. */
62#if @REPLACE_NULL@
63# undef NULL
64# ifdef __cplusplus
65 /* ISO C++ says that the macro NULL must expand to an integer constant
66 expression, hence '((void *) 0)' is not allowed in C++. */
67# if __GNUG__ >= 3
68 /* GNU C++ has a __null macro that behaves like an integer ('int' or
69 'long') but has the same size as a pointer. Use that, to avoid
70 warnings. */
71# define NULL __null
72# else
73# define NULL 0L
74# endif
75# else
76# define NULL ((void *) 0)
77# endif
78#endif
79
80/* Some platforms lack wchar_t. */
81#if !@HAVE_WCHAR_T@
82# define wchar_t int
83#endif
84
85# endif /* _GL_STDDEF_H */
86# endif /* _GL_STDDEF_H */
87#endif /* __need_XXX */
diff --git a/lib/time.h b/lib/time.h
new file mode 100644
index 00000000000..fea68685438
--- /dev/null
+++ b/lib/time.h
@@ -0,0 +1,555 @@
1/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
2/* A more-standard <time.h>.
3
4 Copyright (C) 2007-2011 Free Software Foundation, Inc.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19
20#if __GNUC__ >= 3
21#pragma GCC system_header
22#endif
23
24
25/* Don't get in the way of glibc when it includes time.h merely to
26 declare a few standard symbols, rather than to declare all the
27 symbols. Also, Solaris 8 <time.h> eventually includes itself
28 recursively; if that is happening, just include the system <time.h>
29 without adding our own declarations. */
30#if (defined __need_time_t || defined __need_clock_t \
31 || defined __need_timespec \
32 || defined _GL_TIME_H)
33
34# include_next <time.h>
35
36#else
37
38# define _GL_TIME_H
39
40# include_next <time.h>
41
42/* NetBSD 5.0 mis-defines NULL. */
43# include <stddef.h>
44
45/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
46#ifndef _GL_CXXDEFS_H
47#define _GL_CXXDEFS_H
48
49/* The three most frequent use cases of these macros are:
50
51 * For providing a substitute for a function that is missing on some
52 platforms, but is declared and works fine on the platforms on which
53 it exists:
54
55 #if @GNULIB_FOO@
56 # if !@HAVE_FOO@
57 _GL_FUNCDECL_SYS (foo, ...);
58 # endif
59 _GL_CXXALIAS_SYS (foo, ...);
60 _GL_CXXALIASWARN (foo);
61 #elif defined GNULIB_POSIXCHECK
62 ...
63 #endif
64
65 * For providing a replacement for a function that exists on all platforms,
66 but is broken/insufficient and needs to be replaced on some platforms:
67
68 #if @GNULIB_FOO@
69 # if @REPLACE_FOO@
70 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
71 # undef foo
72 # define foo rpl_foo
73 # endif
74 _GL_FUNCDECL_RPL (foo, ...);
75 _GL_CXXALIAS_RPL (foo, ...);
76 # else
77 _GL_CXXALIAS_SYS (foo, ...);
78 # endif
79 _GL_CXXALIASWARN (foo);
80 #elif defined GNULIB_POSIXCHECK
81 ...
82 #endif
83
84 * For providing a replacement for a function that exists on some platforms
85 but is broken/insufficient and needs to be replaced on some of them and
86 is additionally either missing or undeclared on some other platforms:
87
88 #if @GNULIB_FOO@
89 # if @REPLACE_FOO@
90 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
91 # undef foo
92 # define foo rpl_foo
93 # endif
94 _GL_FUNCDECL_RPL (foo, ...);
95 _GL_CXXALIAS_RPL (foo, ...);
96 # else
97 # if !@HAVE_FOO@ or if !@HAVE_DECL_FOO@
98 _GL_FUNCDECL_SYS (foo, ...);
99 # endif
100 _GL_CXXALIAS_SYS (foo, ...);
101 # endif
102 _GL_CXXALIASWARN (foo);
103 #elif defined GNULIB_POSIXCHECK
104 ...
105 #endif
106*/
107
108/* _GL_EXTERN_C declaration;
109 performs the declaration with C linkage. */
110#if defined __cplusplus
111# define _GL_EXTERN_C extern "C"
112#else
113# define _GL_EXTERN_C extern
114#endif
115
116/* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes);
117 declares a replacement function, named rpl_func, with the given prototype,
118 consisting of return type, parameters, and attributes.
119 Example:
120 _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
121 _GL_ARG_NONNULL ((1)));
122 */
123#define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \
124 _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes)
125#define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \
126 _GL_EXTERN_C rettype rpl_func parameters_and_attributes
127
128/* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes);
129 declares the system function, named func, with the given prototype,
130 consisting of return type, parameters, and attributes.
131 Example:
132 _GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...)
133 _GL_ARG_NONNULL ((1)));
134 */
135#define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \
136 _GL_EXTERN_C rettype func parameters_and_attributes
137
138/* _GL_CXXALIAS_RPL (func, rettype, parameters);
139 declares a C++ alias called GNULIB_NAMESPACE::func
140 that redirects to rpl_func, if GNULIB_NAMESPACE is defined.
141 Example:
142 _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
143 */
144#define _GL_CXXALIAS_RPL(func,rettype,parameters) \
145 _GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters)
146#if defined __cplusplus && defined GNULIB_NAMESPACE
147# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
148 namespace GNULIB_NAMESPACE \
149 { \
150 rettype (*const func) parameters = ::rpl_func; \
151 } \
152 _GL_EXTERN_C int _gl_cxxalias_dummy
153#else
154# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
155 _GL_EXTERN_C int _gl_cxxalias_dummy
156#endif
157
158/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters);
159 is like _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters);
160 except that the C function rpl_func may have a slightly different
161 declaration. A cast is used to silence the "invalid conversion" error
162 that would otherwise occur. */
163#if defined __cplusplus && defined GNULIB_NAMESPACE
164# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
165 namespace GNULIB_NAMESPACE \
166 { \
167 rettype (*const func) parameters = \
168 reinterpret_cast<rettype(*)parameters>(::rpl_func); \
169 } \
170 _GL_EXTERN_C int _gl_cxxalias_dummy
171#else
172# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
173 _GL_EXTERN_C int _gl_cxxalias_dummy
174#endif
175
176/* _GL_CXXALIAS_SYS (func, rettype, parameters);
177 declares a C++ alias called GNULIB_NAMESPACE::func
178 that redirects to the system provided function func, if GNULIB_NAMESPACE
179 is defined.
180 Example:
181 _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
182 */
183#if defined __cplusplus && defined GNULIB_NAMESPACE
184 /* If we were to write
185 rettype (*const func) parameters = ::func;
186 like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls
187 better (remove an indirection through a 'static' pointer variable),
188 but then the _GL_CXXALIASWARN macro below would cause a warning not only
189 for uses of ::func but also for uses of GNULIB_NAMESPACE::func. */
190# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
191 namespace GNULIB_NAMESPACE \
192 { \
193 static rettype (*func) parameters = ::func; \
194 } \
195 _GL_EXTERN_C int _gl_cxxalias_dummy
196#else
197# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
198 _GL_EXTERN_C int _gl_cxxalias_dummy
199#endif
200
201/* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters);
202 is like _GL_CXXALIAS_SYS (func, rettype, parameters);
203 except that the C function func may have a slightly different declaration.
204 A cast is used to silence the "invalid conversion" error that would
205 otherwise occur. */
206#if defined __cplusplus && defined GNULIB_NAMESPACE
207# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
208 namespace GNULIB_NAMESPACE \
209 { \
210 static rettype (*func) parameters = \
211 reinterpret_cast<rettype(*)parameters>(::func); \
212 } \
213 _GL_EXTERN_C int _gl_cxxalias_dummy
214#else
215# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
216 _GL_EXTERN_C int _gl_cxxalias_dummy
217#endif
218
219/* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2);
220 is like _GL_CXXALIAS_SYS (func, rettype, parameters);
221 except that the C function is picked among a set of overloaded functions,
222 namely the one with rettype2 and parameters2. Two consecutive casts
223 are used to silence the "cannot find a match" and "invalid conversion"
224 errors that would otherwise occur. */
225#if defined __cplusplus && defined GNULIB_NAMESPACE
226 /* The outer cast must be a reinterpret_cast.
227 The inner cast: When the function is defined as a set of overloaded
228 functions, it works as a static_cast<>, choosing the designated variant.
229 When the function is defined as a single variant, it works as a
230 reinterpret_cast<>. The parenthesized cast syntax works both ways. */
231# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
232 namespace GNULIB_NAMESPACE \
233 { \
234 static rettype (*func) parameters = \
235 reinterpret_cast<rettype(*)parameters>( \
236 (rettype2(*)parameters2)(::func)); \
237 } \
238 _GL_EXTERN_C int _gl_cxxalias_dummy
239#else
240# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
241 _GL_EXTERN_C int _gl_cxxalias_dummy
242#endif
243
244/* _GL_CXXALIASWARN (func);
245 causes a warning to be emitted when ::func is used but not when
246 GNULIB_NAMESPACE::func is used. func must be defined without overloaded
247 variants. */
248#if defined __cplusplus && defined GNULIB_NAMESPACE
249# define _GL_CXXALIASWARN(func) \
250 _GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE)
251# define _GL_CXXALIASWARN_1(func,namespace) \
252 _GL_CXXALIASWARN_2 (func, namespace)
253/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
254 we enable the warning only when not optimizing. */
255# if !__OPTIMIZE__
256# define _GL_CXXALIASWARN_2(func,namespace) \
257 _GL_WARN_ON_USE (func, \
258 "The symbol ::" #func " refers to the system function. " \
259 "Use " #namespace "::" #func " instead.")
260# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
261# define _GL_CXXALIASWARN_2(func,namespace) \
262 extern __typeof__ (func) func
263# else
264# define _GL_CXXALIASWARN_2(func,namespace) \
265 _GL_EXTERN_C int _gl_cxxalias_dummy
266# endif
267#else
268# define _GL_CXXALIASWARN(func) \
269 _GL_EXTERN_C int _gl_cxxalias_dummy
270#endif
271
272/* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes);
273 causes a warning to be emitted when the given overloaded variant of ::func
274 is used but not when GNULIB_NAMESPACE::func is used. */
275#if defined __cplusplus && defined GNULIB_NAMESPACE
276# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
277 _GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \
278 GNULIB_NAMESPACE)
279# define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \
280 _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace)
281/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
282 we enable the warning only when not optimizing. */
283# if !__OPTIMIZE__
284# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
285 _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \
286 "The symbol ::" #func " refers to the system function. " \
287 "Use " #namespace "::" #func " instead.")
288# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
289# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
290 extern __typeof__ (func) func
291# else
292# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
293 _GL_EXTERN_C int _gl_cxxalias_dummy
294# endif
295#else
296# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
297 _GL_EXTERN_C int _gl_cxxalias_dummy
298#endif
299
300#endif /* _GL_CXXDEFS_H */
301
302/* The definition of _GL_ARG_NONNULL is copied here. */
303/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
304 that the values passed as arguments n, ..., m must be non-NULL pointers.
305 n = 1 stands for the first argument, n = 2 for the second argument etc. */
306#ifndef _GL_ARG_NONNULL
307# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3
308# define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
309# else
310# define _GL_ARG_NONNULL(params)
311# endif
312#endif
313
314/* The definition of _GL_WARN_ON_USE is copied here. */
315#ifndef _GL_WARN_ON_USE
316
317# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
318/* A compiler attribute is available in gcc versions 4.3.0 and later. */
319# define _GL_WARN_ON_USE(function, message) \
320extern __typeof__ (function) function __attribute__ ((__warning__ (message)))
321# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
322/* Verify the existence of the function. */
323# define _GL_WARN_ON_USE(function, message) \
324extern __typeof__ (function) function
325# else /* Unsupported. */
326# define _GL_WARN_ON_USE(function, message) \
327_GL_WARN_EXTERN_C int _gl_warn_on_use
328# endif
329#endif
330
331/* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string")
332 is like _GL_WARN_ON_USE (function, "string"), except that the function is
333 declared with the given prototype, consisting of return type, parameters,
334 and attributes.
335 This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does
336 not work in this case. */
337#ifndef _GL_WARN_ON_USE_CXX
338# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
339# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
340extern rettype function parameters_and_attributes \
341 __attribute__ ((__warning__ (msg)))
342# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
343/* Verify the existence of the function. */
344# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
345extern rettype function parameters_and_attributes
346# else /* Unsupported. */
347# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
348_GL_WARN_EXTERN_C int _gl_warn_on_use
349# endif
350#endif
351
352/* _GL_WARN_EXTERN_C declaration;
353 performs the declaration with C linkage. */
354#ifndef _GL_WARN_EXTERN_C
355# if defined __cplusplus
356# define _GL_WARN_EXTERN_C extern "C"
357# else
358# define _GL_WARN_EXTERN_C extern
359# endif
360#endif
361
362/* Some systems don't define struct timespec (e.g., AIX 4.1, Ultrix 4.3).
363 Or they define it with the wrong member names or define it in <sys/time.h>
364 (e.g., FreeBSD circa 1997). Stock Mingw does not define it, but the
365 pthreads-win32 library defines it in <pthread.h>. */
366# if ! 1
367# if 0
368# include <sys/time.h>
369# elif 0
370# include <pthread.h>
371/* The pthreads-win32 <pthread.h> also defines a couple of broken macros. */
372# undef asctime_r
373# undef ctime_r
374# undef gmtime_r
375# undef localtime_r
376# undef rand_r
377# undef strtok_r
378# else
379
380# ifdef __cplusplus
381extern "C" {
382# endif
383
384# undef timespec
385# define timespec rpl_timespec
386struct timespec
387{
388 time_t tv_sec;
389 long int tv_nsec;
390};
391
392# ifdef __cplusplus
393}
394# endif
395
396# endif
397# endif
398
399/* Per http://austingroupbugs.net/view.php?id=327, POSIX requires
400 time_t to be an integer type, even though C99 permits floating
401 point. We don't know of any implementation that uses floating
402 point, and it is much easier to write code that doesn't have to
403 worry about that corner case, so we force the issue. */
404struct __time_t_must_be_integral {
405 unsigned int __floating_time_t_unsupported : (time_t) 1;
406};
407
408/* Sleep for at least RQTP seconds unless interrupted, If interrupted,
409 return -1 and store the remaining time into RMTP. See
410 <http://www.opengroup.org/susv3xsh/nanosleep.html>. */
411# if 0
412# if GNULIB_PORTCHECK
413# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
414# define nanosleep rpl_nanosleep
415# endif
416_GL_FUNCDECL_RPL (nanosleep, int,
417 (struct timespec const *__rqtp, struct timespec *__rmtp)
418 _GL_ARG_NONNULL ((1)));
419_GL_CXXALIAS_RPL (nanosleep, int,
420 (struct timespec const *__rqtp, struct timespec *__rmtp));
421# else
422# if ! 1
423_GL_FUNCDECL_SYS (nanosleep, int,
424 (struct timespec const *__rqtp, struct timespec *__rmtp)
425 _GL_ARG_NONNULL ((1)));
426# endif
427_GL_CXXALIAS_SYS (nanosleep, int,
428 (struct timespec const *__rqtp, struct timespec *__rmtp));
429# endif
430_GL_CXXALIASWARN (nanosleep);
431# endif
432
433/* Return the 'time_t' representation of TP and normalize TP. */
434# if 1
435# if 0
436# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
437# define mktime rpl_mktime
438# endif
439_GL_FUNCDECL_RPL (mktime, time_t, (struct tm *__tp) _GL_ARG_NONNULL ((1)));
440_GL_CXXALIAS_RPL (mktime, time_t, (struct tm *__tp));
441# else
442_GL_CXXALIAS_SYS (mktime, time_t, (struct tm *__tp));
443# endif
444_GL_CXXALIASWARN (mktime);
445# endif
446
447/* Convert TIMER to RESULT, assuming local time and UTC respectively. See
448 <http://www.opengroup.org/susv3xsh/localtime_r.html> and
449 <http://www.opengroup.org/susv3xsh/gmtime_r.html>. */
450# if 1
451# if 0
452# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
453# undef localtime_r
454# define localtime_r rpl_localtime_r
455# endif
456_GL_FUNCDECL_RPL (localtime_r, struct tm *, (time_t const *restrict __timer,
457 struct tm *restrict __result)
458 _GL_ARG_NONNULL ((1, 2)));
459_GL_CXXALIAS_RPL (localtime_r, struct tm *, (time_t const *restrict __timer,
460 struct tm *restrict __result));
461# else
462# if ! 0
463_GL_FUNCDECL_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
464 struct tm *restrict __result)
465 _GL_ARG_NONNULL ((1, 2)));
466# endif
467_GL_CXXALIAS_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
468 struct tm *restrict __result));
469# endif
470# if 0
471_GL_CXXALIASWARN (localtime_r);
472# endif
473# if 0
474# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
475# undef gmtime_r
476# define gmtime_r rpl_gmtime_r
477# endif
478_GL_FUNCDECL_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer,
479 struct tm *restrict __result)
480 _GL_ARG_NONNULL ((1, 2)));
481_GL_CXXALIAS_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer,
482 struct tm *restrict __result));
483# else
484# if ! 0
485_GL_FUNCDECL_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
486 struct tm *restrict __result)
487 _GL_ARG_NONNULL ((1, 2)));
488# endif
489_GL_CXXALIAS_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
490 struct tm *restrict __result));
491# endif
492# if 0
493_GL_CXXALIASWARN (gmtime_r);
494# endif
495# endif
496
497/* Parse BUF as a time stamp, assuming FORMAT specifies its layout, and store
498 the resulting broken-down time into TM. See
499 <http://www.opengroup.org/susv3xsh/strptime.html>. */
500# if 0
501# if ! 1
502_GL_FUNCDECL_SYS (strptime, char *, (char const *restrict __buf,
503 char const *restrict __format,
504 struct tm *restrict __tm)
505 _GL_ARG_NONNULL ((1, 2, 3)));
506# endif
507_GL_CXXALIAS_SYS (strptime, char *, (char const *restrict __buf,
508 char const *restrict __format,
509 struct tm *restrict __tm));
510_GL_CXXALIASWARN (strptime);
511# endif
512
513/* Convert TM to a time_t value, assuming UTC. */
514# if 0
515# if GNULIB_PORTCHECK
516# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
517# undef timegm
518# define timegm rpl_timegm
519# endif
520_GL_FUNCDECL_RPL (timegm, time_t, (struct tm *__tm) _GL_ARG_NONNULL ((1)));
521_GL_CXXALIAS_RPL (timegm, time_t, (struct tm *__tm));
522# else
523# if ! 1
524_GL_FUNCDECL_SYS (timegm, time_t, (struct tm *__tm) _GL_ARG_NONNULL ((1)));
525# endif
526_GL_CXXALIAS_SYS (timegm, time_t, (struct tm *__tm));
527# endif
528_GL_CXXALIASWARN (timegm);
529# endif
530
531/* Encourage applications to avoid unsafe functions that can overrun
532 buffers when given outlandish struct tm values. Portable
533 applications should use strftime (or even sprintf) instead. */
534# if defined GNULIB_POSIXCHECK
535# undef asctime
536_GL_WARN_ON_USE (asctime, "asctime can overrun buffers in some cases - "
537 "better use strftime (or even sprintf) instead");
538# endif
539# if defined GNULIB_POSIXCHECK
540# undef asctime_r
541_GL_WARN_ON_USE (asctime, "asctime_r can overrun buffers in some cases - "
542 "better use strftime (or even sprintf) instead");
543# endif
544# if defined GNULIB_POSIXCHECK
545# undef ctime
546_GL_WARN_ON_USE (asctime, "ctime can overrun buffers in some cases - "
547 "better use strftime (or even sprintf) instead");
548# endif
549# if defined GNULIB_POSIXCHECK
550# undef ctime_r
551_GL_WARN_ON_USE (asctime, "ctime_r can overrun buffers in some cases - "
552 "better use strftime (or even sprintf) instead");
553# endif
554
555#endif
diff --git a/lib/time.in.h b/lib/time.in.h
new file mode 100644
index 00000000000..2d6da7161fb
--- /dev/null
+++ b/lib/time.in.h
@@ -0,0 +1,243 @@
1/* A more-standard <time.h>.
2
3 Copyright (C) 2007-2011 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18
19#if __GNUC__ >= 3
20@PRAGMA_SYSTEM_HEADER@
21#endif
22@PRAGMA_COLUMNS@
23
24/* Don't get in the way of glibc when it includes time.h merely to
25 declare a few standard symbols, rather than to declare all the
26 symbols. Also, Solaris 8 <time.h> eventually includes itself
27 recursively; if that is happening, just include the system <time.h>
28 without adding our own declarations. */
29#if (defined __need_time_t || defined __need_clock_t \
30 || defined __need_timespec \
31 || defined _GL_TIME_H)
32
33# @INCLUDE_NEXT@ @NEXT_TIME_H@
34
35#else
36
37# define _GL_TIME_H
38
39# @INCLUDE_NEXT@ @NEXT_TIME_H@
40
41/* NetBSD 5.0 mis-defines NULL. */
42# include <stddef.h>
43
44/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
45
46/* The definition of _GL_ARG_NONNULL is copied here. */
47
48/* The definition of _GL_WARN_ON_USE is copied here. */
49
50/* Some systems don't define struct timespec (e.g., AIX 4.1, Ultrix 4.3).
51 Or they define it with the wrong member names or define it in <sys/time.h>
52 (e.g., FreeBSD circa 1997). Stock Mingw does not define it, but the
53 pthreads-win32 library defines it in <pthread.h>. */
54# if ! @TIME_H_DEFINES_STRUCT_TIMESPEC@
55# if @SYS_TIME_H_DEFINES_STRUCT_TIMESPEC@
56# include <sys/time.h>
57# elif @PTHREAD_H_DEFINES_STRUCT_TIMESPEC@
58# include <pthread.h>
59/* The pthreads-win32 <pthread.h> also defines a couple of broken macros. */
60# undef asctime_r
61# undef ctime_r
62# undef gmtime_r
63# undef localtime_r
64# undef rand_r
65# undef strtok_r
66# else
67
68# ifdef __cplusplus
69extern "C" {
70# endif
71
72# undef timespec
73# define timespec rpl_timespec
74struct timespec
75{
76 time_t tv_sec;
77 long int tv_nsec;
78};
79
80# ifdef __cplusplus
81}
82# endif
83
84# endif
85# endif
86
87/* Per http://austingroupbugs.net/view.php?id=327, POSIX requires
88 time_t to be an integer type, even though C99 permits floating
89 point. We don't know of any implementation that uses floating
90 point, and it is much easier to write code that doesn't have to
91 worry about that corner case, so we force the issue. */
92struct __time_t_must_be_integral {
93 unsigned int __floating_time_t_unsupported : (time_t) 1;
94};
95
96/* Sleep for at least RQTP seconds unless interrupted, If interrupted,
97 return -1 and store the remaining time into RMTP. See
98 <http://www.opengroup.org/susv3xsh/nanosleep.html>. */
99# if @GNULIB_NANOSLEEP@
100# if @REPLACE_NANOSLEEP@
101# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
102# define nanosleep rpl_nanosleep
103# endif
104_GL_FUNCDECL_RPL (nanosleep, int,
105 (struct timespec const *__rqtp, struct timespec *__rmtp)
106 _GL_ARG_NONNULL ((1)));
107_GL_CXXALIAS_RPL (nanosleep, int,
108 (struct timespec const *__rqtp, struct timespec *__rmtp));
109# else
110# if ! @HAVE_NANOSLEEP@
111_GL_FUNCDECL_SYS (nanosleep, int,
112 (struct timespec const *__rqtp, struct timespec *__rmtp)
113 _GL_ARG_NONNULL ((1)));
114# endif
115_GL_CXXALIAS_SYS (nanosleep, int,
116 (struct timespec const *__rqtp, struct timespec *__rmtp));
117# endif
118_GL_CXXALIASWARN (nanosleep);
119# endif
120
121/* Return the 'time_t' representation of TP and normalize TP. */
122# if @GNULIB_MKTIME@
123# if @REPLACE_MKTIME@
124# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
125# define mktime rpl_mktime
126# endif
127_GL_FUNCDECL_RPL (mktime, time_t, (struct tm *__tp) _GL_ARG_NONNULL ((1)));
128_GL_CXXALIAS_RPL (mktime, time_t, (struct tm *__tp));
129# else
130_GL_CXXALIAS_SYS (mktime, time_t, (struct tm *__tp));
131# endif
132_GL_CXXALIASWARN (mktime);
133# endif
134
135/* Convert TIMER to RESULT, assuming local time and UTC respectively. See
136 <http://www.opengroup.org/susv3xsh/localtime_r.html> and
137 <http://www.opengroup.org/susv3xsh/gmtime_r.html>. */
138# if @GNULIB_TIME_R@
139# if @REPLACE_LOCALTIME_R@
140# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
141# undef localtime_r
142# define localtime_r rpl_localtime_r
143# endif
144_GL_FUNCDECL_RPL (localtime_r, struct tm *, (time_t const *restrict __timer,
145 struct tm *restrict __result)
146 _GL_ARG_NONNULL ((1, 2)));
147_GL_CXXALIAS_RPL (localtime_r, struct tm *, (time_t const *restrict __timer,
148 struct tm *restrict __result));
149# else
150# if ! @HAVE_DECL_LOCALTIME_R@
151_GL_FUNCDECL_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
152 struct tm *restrict __result)
153 _GL_ARG_NONNULL ((1, 2)));
154# endif
155_GL_CXXALIAS_SYS (localtime_r, struct tm *, (time_t const *restrict __timer,
156 struct tm *restrict __result));
157# endif
158# if @HAVE_DECL_LOCALTIME_R@
159_GL_CXXALIASWARN (localtime_r);
160# endif
161# if @REPLACE_LOCALTIME_R@
162# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
163# undef gmtime_r
164# define gmtime_r rpl_gmtime_r
165# endif
166_GL_FUNCDECL_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer,
167 struct tm *restrict __result)
168 _GL_ARG_NONNULL ((1, 2)));
169_GL_CXXALIAS_RPL (gmtime_r, struct tm *, (time_t const *restrict __timer,
170 struct tm *restrict __result));
171# else
172# if ! @HAVE_DECL_LOCALTIME_R@
173_GL_FUNCDECL_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
174 struct tm *restrict __result)
175 _GL_ARG_NONNULL ((1, 2)));
176# endif
177_GL_CXXALIAS_SYS (gmtime_r, struct tm *, (time_t const *restrict __timer,
178 struct tm *restrict __result));
179# endif
180# if @HAVE_DECL_LOCALTIME_R@
181_GL_CXXALIASWARN (gmtime_r);
182# endif
183# endif
184
185/* Parse BUF as a time stamp, assuming FORMAT specifies its layout, and store
186 the resulting broken-down time into TM. See
187 <http://www.opengroup.org/susv3xsh/strptime.html>. */
188# if @GNULIB_STRPTIME@
189# if ! @HAVE_STRPTIME@
190_GL_FUNCDECL_SYS (strptime, char *, (char const *restrict __buf,
191 char const *restrict __format,
192 struct tm *restrict __tm)
193 _GL_ARG_NONNULL ((1, 2, 3)));
194# endif
195_GL_CXXALIAS_SYS (strptime, char *, (char const *restrict __buf,
196 char const *restrict __format,
197 struct tm *restrict __tm));
198_GL_CXXALIASWARN (strptime);
199# endif
200
201/* Convert TM to a time_t value, assuming UTC. */
202# if @GNULIB_TIMEGM@
203# if @REPLACE_TIMEGM@
204# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
205# undef timegm
206# define timegm rpl_timegm
207# endif
208_GL_FUNCDECL_RPL (timegm, time_t, (struct tm *__tm) _GL_ARG_NONNULL ((1)));
209_GL_CXXALIAS_RPL (timegm, time_t, (struct tm *__tm));
210# else
211# if ! @HAVE_TIMEGM@
212_GL_FUNCDECL_SYS (timegm, time_t, (struct tm *__tm) _GL_ARG_NONNULL ((1)));
213# endif
214_GL_CXXALIAS_SYS (timegm, time_t, (struct tm *__tm));
215# endif
216_GL_CXXALIASWARN (timegm);
217# endif
218
219/* Encourage applications to avoid unsafe functions that can overrun
220 buffers when given outlandish struct tm values. Portable
221 applications should use strftime (or even sprintf) instead. */
222# if defined GNULIB_POSIXCHECK
223# undef asctime
224_GL_WARN_ON_USE (asctime, "asctime can overrun buffers in some cases - "
225 "better use strftime (or even sprintf) instead");
226# endif
227# if defined GNULIB_POSIXCHECK
228# undef asctime_r
229_GL_WARN_ON_USE (asctime, "asctime_r can overrun buffers in some cases - "
230 "better use strftime (or even sprintf) instead");
231# endif
232# if defined GNULIB_POSIXCHECK
233# undef ctime
234_GL_WARN_ON_USE (asctime, "ctime can overrun buffers in some cases - "
235 "better use strftime (or even sprintf) instead");
236# endif
237# if defined GNULIB_POSIXCHECK
238# undef ctime_r
239_GL_WARN_ON_USE (asctime, "ctime_r can overrun buffers in some cases - "
240 "better use strftime (or even sprintf) instead");
241# endif
242
243#endif
diff --git a/lib/time_r.c b/lib/time_r.c
new file mode 100644
index 00000000000..31d010e437b
--- /dev/null
+++ b/lib/time_r.c
@@ -0,0 +1,45 @@
1/* Reentrant time functions like localtime_r.
2
3 Copyright (C) 2003, 2006-2007, 2010-2011 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18
19/* Written by Paul Eggert. */
20
21#include <config.h>
22
23#include <time.h>
24
25static struct tm *
26copy_tm_result (struct tm *dest, struct tm const *src)
27{
28 if (! src)
29 return 0;
30 *dest = *src;
31 return dest;
32}
33
34
35struct tm *
36gmtime_r (time_t const * restrict t, struct tm * restrict tp)
37{
38 return copy_tm_result (tp, gmtime (t));
39}
40
41struct tm *
42localtime_r (time_t const * restrict t, struct tm * restrict tp)
43{
44 return copy_tm_result (tp, localtime (t));
45}
generated by cgit v1.2.1 (git 2.18.0) at 2026-03-03 13:41:51 +0000