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  • This comparison shows the changes necessary to convert path 
    /or1k/trunk/newlib-1.10.0/newlib/libc/time
    from Rev 1010 to Rev 1765
    ↔ Reverse comparison
  •

Rev 1010 → Rev 1765

/time.c
0,0 → 1,59
/* FIXME: doc says "not avail" due to #if 0.
DELETE that line if inappropriate! */
/*
FUNCTION
<<time>>---get current calendar time (as single number)
 
INDEX
time
 
ANSI_SYNOPSIS
#include <time.h>
time_t time(time_t *<[t]>);
 
TRAD_SYNOPSIS
#include <time.h>
time_t time(<[t]>)
time_t *<[t]>;
 
DESCRIPTION
<<time>> looks up the best available representation of the current
time and returns it, encoded as a <<time_t>>. It stores the same
value at <[t]> unless the argument is <<NULL>>.
 
RETURNS
A <<-1>> result means the current time is not available; otherwise the
result represents the current time.
 
PORTABILITY
ANSI C requires <<time>>.
 
Supporting OS subroutine required: Some implementations require
<<gettimeofday>>.
*/
 
#ifdef HAVE_GETTIMEOFDAY
 
/* Most times we have a system call in newlib/libc/sys/.. to do this job */
 
#include <_ansi.h>
#include <reent.h>
#include <sys/types.h>
#include <sys/time.h>
 
time_t
_DEFUN (time, (t),
time_t * t)
{
struct timeval now;
 
if (_gettimeofday_r (_REENT, &now, (struct timezone *) 0) >= 0)
{
if (t)
*t = now.tv_sec;
return now.tv_sec;
}
return -1;
}
 
#endif
/ctime.c
0,0 → 1,52
/*
* ctime.c
* Original Author: G. Haley
*/
 
/*
FUNCTION
<<ctime>>---convert time to local and format as string
 
INDEX
ctime
 
ANSI_SYNOPSIS
#include <time.h>
char *ctime(time_t <[clock]>);
char *ctime_r(time_t <[clock]>, char *<[buf]>);
 
TRAD_SYNOPSIS
#include <time.h>
char *ctime(<[clock]>)
time_t <[clock]>;
char *ctime_r(<[clock]>, <[buf]>)
time_t <[clock]>;
char *<[buf]>;
 
DESCRIPTION
Convert the time value at <[clock]> to local time (like <<localtime>>)
and format it into a string of the form
. Wed Jun 15 11:38:07 1988\n\0
(like <<asctime>>).
 
RETURNS
A pointer to the string containing a formatted timestamp.
 
PORTABILITY
ANSI C requires <<ctime>>.
 
<<ctime>> requires no supporting OS subroutines.
*/
 
#include <time.h>
 
#ifndef _REENT_ONLY
 
char *
_DEFUN (ctime, (tim_p),
_CONST time_t * tim_p)
{
return asctime (localtime (tim_p));
}
 
#endif
/Makefile.in
0,0 → 1,394
# Makefile.in generated automatically by automake 1.4 from Makefile.am
 
# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
 
 
 
SHELL = @SHELL@
 
srcdir = @srcdir@
top_srcdir = @top_srcdir@
VPATH = @srcdir@
prefix = @prefix@
exec_prefix = @exec_prefix@
 
bindir = @bindir@
sbindir = @sbindir@
libexecdir = @libexecdir@
datadir = @datadir@
sysconfdir = @sysconfdir@
sharedstatedir = @sharedstatedir@
localstatedir = @localstatedir@
libdir = @libdir@
infodir = @infodir@
mandir = @mandir@
includedir = @includedir@
oldincludedir = /usr/include
 
DESTDIR =
 
pkgdatadir = $(datadir)/@PACKAGE@
pkglibdir = $(libdir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
 
top_builddir = ..
 
ACLOCAL = @ACLOCAL@
AUTOCONF = @AUTOCONF@
AUTOMAKE = @AUTOMAKE@
AUTOHEADER = @AUTOHEADER@
 
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
INSTALL_DATA = @INSTALL_DATA@
INSTALL_SCRIPT = @INSTALL_SCRIPT@
transform = @program_transform_name@
 
NORMAL_INSTALL = :
PRE_INSTALL = :
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
host_alias = @host_alias@
host_triplet = @host@
AR = @AR@
AS = @AS@
CC = @CC@
CPP = @CPP@
CRT0 = @CRT0@
DLLTOOL = @DLLTOOL@
EXEEXT = @EXEEXT@
LDFLAGS = @LDFLAGS@
LIBC_MACHINE_LIB = @LIBC_MACHINE_LIB@
LIBC_POSIX_LIB = @LIBC_POSIX_LIB@
LIBC_SIGNAL_DEF = @LIBC_SIGNAL_DEF@
LIBC_SIGNAL_LIB = @LIBC_SIGNAL_LIB@
LIBC_SYSCALL_LIB = @LIBC_SYSCALL_LIB@
LIBC_SYS_LIB = @LIBC_SYS_LIB@
LIBC_UNIX_LIB = @LIBC_UNIX_LIB@
LIBTOOL = @LIBTOOL@
LN_S = @LN_S@
MAINT = @MAINT@
MAKEINFO = @MAKEINFO@
NEWLIB_CFLAGS = @NEWLIB_CFLAGS@
OBJDUMP = @OBJDUMP@
PACKAGE = @PACKAGE@
RANLIB = @RANLIB@
VERSION = @VERSION@
aext = @aext@
libm_machine_dir = @libm_machine_dir@
machine_dir = @machine_dir@
newlib_basedir = @newlib_basedir@
oext = @oext@
sys_dir = @sys_dir@
 
AUTOMAKE_OPTIONS = cygnus
 
INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
LIB_SOURCES = \
asctime.c \
asctime_r.c \
clock.c \
ctime.c \
ctime_r.c \
difftime.c \
gmtime.c \
gmtime_r.c \
lcltime.c \
lcltime_r.c \
mktime.c \
strftime.c \
time.c
 
 
libtime_la_LDFLAGS = -Xcompiler -nostdlib
 
@USE_LIBTOOL_TRUE@noinst_LTLIBRARIES = @USE_LIBTOOL_TRUE@libtime.la
@USE_LIBTOOL_TRUE@libtime_la_SOURCES = @USE_LIBTOOL_TRUE@$(LIB_SOURCES)
@USE_LIBTOOL_TRUE@noinst_DATA = @USE_LIBTOOL_TRUE@objectlist.awk.in
@USE_LIBTOOL_FALSE@noinst_DATA =
@USE_LIBTOOL_FALSE@noinst_LIBRARIES = @USE_LIBTOOL_FALSE@lib.a
@USE_LIBTOOL_FALSE@lib_a_SOURCES = @USE_LIBTOOL_FALSE@$(LIB_SOURCES)
 
CHEWOUT_FILES = \
asctime.def \
clock.def \
ctime.def \
difftime.def \
gmtime.def \
lcltime.def \
mktime.def \
strftime.def \
time.def
 
 
SUFFIXES = .def
 
CHEW = ../../doc/makedoc -f $(srcdir)/../../doc/doc.str
 
TARGETDOC = ../tmp.texi
 
CLEANFILES = $(CHEWOUT_FILES) *.ref
mkinstalldirs = $(SHELL) $(top_srcdir)/../../mkinstalldirs
CONFIG_CLEAN_FILES =
LIBRARIES = $(noinst_LIBRARIES)
 
 
DEFS = @DEFS@ -I. -I$(srcdir)
CPPFLAGS = @CPPFLAGS@
LIBS = @LIBS@
lib_a_LIBADD =
@USE_LIBTOOL_FALSE@lib_a_OBJECTS = asctime.o asctime_r.o clock.o \
@USE_LIBTOOL_FALSE@ctime.o ctime_r.o difftime.o gmtime.o gmtime_r.o \
@USE_LIBTOOL_FALSE@lcltime.o lcltime_r.o mktime.o strftime.o time.o
LTLIBRARIES = $(noinst_LTLIBRARIES)
 
libtime_la_LIBADD =
@USE_LIBTOOL_TRUE@libtime_la_OBJECTS = asctime.lo asctime_r.lo clock.lo \
@USE_LIBTOOL_TRUE@ctime.lo ctime_r.lo difftime.lo gmtime.lo gmtime_r.lo \
@USE_LIBTOOL_TRUE@lcltime.lo lcltime_r.lo mktime.lo strftime.lo time.lo
CFLAGS = @CFLAGS@
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
CCLD = $(CC)
LINK = $(LIBTOOL) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
DATA = $(noinst_DATA)
 
DIST_COMMON = Makefile.am Makefile.in
 
 
DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
TAR = gtar
GZIP_ENV = --best
SOURCES = $(lib_a_SOURCES) $(libtime_la_SOURCES)
OBJECTS = $(lib_a_OBJECTS) $(libtime_la_OBJECTS)
 
all: all-redirect
.SUFFIXES:
.SUFFIXES: .S .c .def .lo .o .s
$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) $(srcdir)/../../Makefile.shared
cd $(top_srcdir) && $(AUTOMAKE) --cygnus time/Makefile
 
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
 
 
mostlyclean-noinstLIBRARIES:
 
clean-noinstLIBRARIES:
-test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
 
distclean-noinstLIBRARIES:
 
maintainer-clean-noinstLIBRARIES:
 
.c.o:
$(COMPILE) -c $<
 
.s.o:
$(COMPILE) -c $<
 
.S.o:
$(COMPILE) -c $<
 
mostlyclean-compile:
-rm -f *.o core *.core
 
clean-compile:
 
distclean-compile:
-rm -f *.tab.c
 
maintainer-clean-compile:
 
.c.lo:
$(LIBTOOL) --mode=compile $(COMPILE) -c $<
 
.s.lo:
$(LIBTOOL) --mode=compile $(COMPILE) -c $<
 
.S.lo:
$(LIBTOOL) --mode=compile $(COMPILE) -c $<
 
mostlyclean-libtool:
-rm -f *.lo
 
clean-libtool:
-rm -rf .libs _libs
 
distclean-libtool:
 
maintainer-clean-libtool:
 
lib.a: $(lib_a_OBJECTS) $(lib_a_DEPENDENCIES)
-rm -f lib.a
$(AR) cru lib.a $(lib_a_OBJECTS) $(lib_a_LIBADD)
$(RANLIB) lib.a
 
mostlyclean-noinstLTLIBRARIES:
 
clean-noinstLTLIBRARIES:
-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
 
distclean-noinstLTLIBRARIES:
 
maintainer-clean-noinstLTLIBRARIES:
 
libtime.la: $(libtime_la_OBJECTS) $(libtime_la_DEPENDENCIES)
$(LINK) $(libtime_la_LDFLAGS) $(libtime_la_OBJECTS) $(libtime_la_LIBADD) $(LIBS)
 
tags: TAGS
 
ID: $(HEADERS) $(SOURCES) $(LISP)
list='$(SOURCES) $(HEADERS)'; \
unique=`for i in $$list; do echo $$i; done | \
awk ' { files[$$0] = 1; } \
END { for (i in files) print i; }'`; \
here=`pwd` && cd $(srcdir) \
&& mkid -f$$here/ID $$unique $(LISP)
 
TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) $(LISP)
tags=; \
here=`pwd`; \
list='$(SOURCES) $(HEADERS)'; \
unique=`for i in $$list; do echo $$i; done | \
awk ' { files[$$0] = 1; } \
END { for (i in files) print i; }'`; \
test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
|| (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags $$unique $(LISP) -o $$here/TAGS)
 
mostlyclean-tags:
 
clean-tags:
 
distclean-tags:
-rm -f TAGS ID
 
maintainer-clean-tags:
 
distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
 
subdir = time
 
distdir: $(DISTFILES)
@for file in $(DISTFILES); do \
if test -f $$file; then d=.; else d=$(srcdir); fi; \
if test -d $$d/$$file; then \
cp -pr $$d/$$file $(distdir)/$$file; \
else \
test -f $(distdir)/$$file \
|| ln $$d/$$file $(distdir)/$$file 2> /dev/null \
|| cp -p $$d/$$file $(distdir)/$$file || :; \
fi; \
done
info-am:
info: info-am
dvi-am:
dvi: dvi-am
check-am:
check: check-am
installcheck-am:
installcheck: installcheck-am
install-info-am:
install-info: install-info-am
install-exec-am:
install-exec: install-exec-am
 
install-data-am:
install-data: install-data-am
 
install-am: all-am
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
install: install-am
uninstall-am:
uninstall: uninstall-am
all-am: Makefile $(LIBRARIES) $(LTLIBRARIES) $(DATA)
all-redirect: all-am
install-strip:
$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
installdirs:
 
 
mostlyclean-generic:
 
clean-generic:
-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
 
distclean-generic:
-rm -f Makefile $(CONFIG_CLEAN_FILES)
-rm -f config.cache config.log stamp-h stamp-h[0-9]*
 
maintainer-clean-generic:
mostlyclean-am: mostlyclean-noinstLIBRARIES mostlyclean-compile \
mostlyclean-libtool mostlyclean-noinstLTLIBRARIES \
mostlyclean-tags mostlyclean-generic
 
mostlyclean: mostlyclean-am
 
clean-am: clean-noinstLIBRARIES clean-compile clean-libtool \
clean-noinstLTLIBRARIES clean-tags clean-generic \
mostlyclean-am
 
clean: clean-am
 
distclean-am: distclean-noinstLIBRARIES distclean-compile \
distclean-libtool distclean-noinstLTLIBRARIES \
distclean-tags distclean-generic clean-am
-rm -f libtool
 
distclean: distclean-am
 
maintainer-clean-am: maintainer-clean-noinstLIBRARIES \
maintainer-clean-compile maintainer-clean-libtool \
maintainer-clean-noinstLTLIBRARIES \
maintainer-clean-tags maintainer-clean-generic \
distclean-am
@echo "This command is intended for maintainers to use;"
@echo "it deletes files that may require special tools to rebuild."
 
maintainer-clean: maintainer-clean-am
 
.PHONY: mostlyclean-noinstLIBRARIES distclean-noinstLIBRARIES \
clean-noinstLIBRARIES maintainer-clean-noinstLIBRARIES \
mostlyclean-compile distclean-compile clean-compile \
maintainer-clean-compile mostlyclean-libtool distclean-libtool \
clean-libtool maintainer-clean-libtool mostlyclean-noinstLTLIBRARIES \
distclean-noinstLTLIBRARIES clean-noinstLTLIBRARIES \
maintainer-clean-noinstLTLIBRARIES tags mostlyclean-tags distclean-tags \
clean-tags maintainer-clean-tags distdir info-am info dvi-am dvi check \
check-am installcheck-am installcheck install-info-am install-info \
install-exec-am install-exec install-data-am install-data install-am \
install uninstall-am uninstall all-redirect all-am all installdirs \
mostlyclean-generic distclean-generic clean-generic \
maintainer-clean-generic clean mostlyclean distclean maintainer-clean
 
 
objectlist.awk.in: $(noinst_LTLIBRARIES)
-rm -f objectlist.awk.in
for i in `ls *.lo` ; \
do \
echo $$i `pwd`/$$i >> objectlist.awk.in ; \
done
 
.c.def:
$(CHEW) < $< > $*.def 2> $*.ref
touch stmp-def
 
doc: $(CHEWOUT_FILES)
cat $(srcdir)/time.tex >> $(TARGETDOC)
 
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:
/gmtime_r.c
0,0 → 1,17
/*
* gmtime_r.c
*/
 
#include <time.h>
 
#define _GMT_OFFSET 0
 
struct tm *
_DEFUN (gmtime_r, (tim_p, res),
_CONST time_t * tim_p _AND
struct tm *res)
{
time_t tim = *tim_p + _GMT_OFFSET;
 
return (localtime_r (&tim, res));
}
/asctime_r.c
0,0 → 1,27
/*
* asctime_r.c
*/
 
#include <stdio.h>
#include <time.h>
 
char *
_DEFUN (asctime_r, (tim_p, result),
_CONST struct tm *tim_p _AND
char *result)
{
static _CONST char day_name[7][3] = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
static _CONST char mon_name[12][3] = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
 
sprintf (result, "%.3s %.3s%3d %.2d:%.2d:%.2d %d\n",
day_name[tim_p->tm_wday],
mon_name[tim_p->tm_mon],
tim_p->tm_mday, tim_p->tm_hour, tim_p->tm_min,
tim_p->tm_sec, 1900 + tim_p->tm_year);
return result;
}
/lcltime_r.c
0,0 → 1,104
/*
* localtime_r.c
* Original Author: Adapted from tzcode maintained by Arthur David Olson.
*
* Converts the calendar time pointed to by tim_p into a broken-down time
* expressed as local time. Returns a pointer to a structure containing the
* broken-down time.
*/
 
#include <stdlib.h>
#include <time.h>
 
#define SECSPERMIN 60L
#define MINSPERHOUR 60L
#define HOURSPERDAY 24L
#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)
#define SECSPERDAY (SECSPERHOUR * HOURSPERDAY)
#define DAYSPERWEEK 7
#define MONSPERYEAR 12
 
#define YEAR_BASE 1900
#define EPOCH_YEAR 1970
#define EPOCH_WDAY 4
 
#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
 
static _CONST int mon_lengths[2][MONSPERYEAR] = {
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
} ;
 
static _CONST int year_lengths[2] = {
365,
366
} ;
 
struct tm *
_DEFUN (localtime_r, (tim_p, res),
_CONST time_t * tim_p _AND
struct tm *res)
{
long days, rem;
int y;
int yleap;
_CONST int *ip;
 
days = ((long) *tim_p) / SECSPERDAY;
rem = ((long) *tim_p) % SECSPERDAY;
while (rem < 0)
{
rem += SECSPERDAY;
--days;
}
while (rem >= SECSPERDAY)
{
rem -= SECSPERDAY;
++days;
}
/* compute hour, min, and sec */
res->tm_hour = (int) (rem / SECSPERHOUR);
rem %= SECSPERHOUR;
res->tm_min = (int) (rem / SECSPERMIN);
res->tm_sec = (int) (rem % SECSPERMIN);
 
/* compute day of week */
if ((res->tm_wday = ((EPOCH_WDAY + days) % DAYSPERWEEK)) < 0)
res->tm_wday += DAYSPERWEEK;
 
/* compute year & day of year */
y = EPOCH_YEAR;
if (days >= 0)
{
for (;;)
{
yleap = isleap(y);
if (days < year_lengths[yleap])
break;
y++;
days -= year_lengths[yleap];
}
}
else
{
do
{
--y;
yleap = isleap(y);
days += year_lengths[yleap];
} while (days < 0);
}
 
res->tm_year = y - YEAR_BASE;
res->tm_yday = days;
ip = mon_lengths[yleap];
for (res->tm_mon = 0; days >= ip[res->tm_mon]; ++res->tm_mon)
days -= ip[res->tm_mon];
res->tm_mday = days + 1;
 
/* set daylight saving time flag */
res->tm_isdst = -1;
return (res);
}
/time.tex
0,0 → 1,86
@node Timefns
@chapter Time Functions (@file{time.h})
 
This chapter groups functions used either for reporting on time
(elapsed, current, or compute time) or to perform calculations based
on time.
 
The header file @file{time.h} defines three types. @code{clock_t} and
@code{time_t} are both used for representations of time particularly
suitable for arithmetic. (In this implementation, quantities of type
@code{clock_t} have the highest resolution possible on your machine,
and quantities of type @code{time_t} resolve to seconds.) @code{size_t}
is also defined if necessary for quantities representing sizes.
 
@file{time.h} also defines the structure @code{tm} for the traditional
representation of Gregorian calendar time as a series of numbers, with
the following fields:
 
@table @code
@item tm_sec
Seconds.
 
@item tm_min
Minutes.
 
@item tm_hour
Hours.
 
@item tm_mday
Day.
 
@item tm_mon
Month.
 
@item tm_year
Year (since 1900).
 
@item tm_wday
Day of week: the number of days since Sunday.
 
@item tm_yday
Number of days elapsed since last January 1.
 
@item tm_isdst
Daylight Savings Time flag: positive means DST in effect, zero means DST
not in effect, negative means no information about DST is available.
@end table
 
@menu
* asctime:: Format time as string
* clock:: Cumulative processor time
* ctime:: Convert time to local and format as string
* difftime:: Subtract two times
* gmtime:: Convert time to UTC (GMT) traditional representation
* localtime:: Convert time to local representation
* mktime:: Convert time to arithmetic representation
* strftime:: Flexible calendar time formatter
* time:: Get current calendar time (as single number)
@end menu
 
@page
@include time/asctime.def
 
@page
@include time/clock.def
 
@page
@include time/ctime.def
 
@page
@include time/difftime.def
 
@page
@include time/gmtime.def
 
@page
@include time/lcltime.def
 
@page
@include time/mktime.def
 
@page
@include time/strftime.def
 
@page
@include time/time.def
/gmtime.c
0,0 → 1,67
/*
* gmtime.c
* Original Author: G. Haley
*
* Converts the calendar time pointed to by tim_p into a broken-down time
* expressed as Greenwich Mean Time (GMT). Returns a pointer to a structure
* containing the broken-down time, or a null pointer if GMT is not
* available.
*/
 
/*
FUNCTION
<<gmtime>>---convert time to UTC traditional form
 
INDEX
gmtime
 
ANSI_SYNOPSIS
#include <time.h>
struct tm *gmtime(const time_t *<[clock]>);
struct tm *gmtime_r(const time_t *<[clock]>, struct tm *<[res]>);
 
TRAD_SYNOPSIS
#include <time.h>
struct tm *gmtime(<[clock]>)
const time_t *<[clock]>;
struct tm *gmtime_r(<[clock]>, <[res]>)
const time_t *<[clock]>;
struct tm *<[res]>;
 
DESCRIPTION
<<gmtime>> assumes the time at <[clock]> represents a local time.
<<gmtime>> converts it to UTC (Universal Coordinated Time, also known in some
countries as GMT, Greenwich Mean time), then converts the
representation from the arithmetic representation to
the traditional representation defined by <<struct tm>>.
 
<<gmtime>> constructs the traditional time representation in static
storage; each call to <<gmtime>> or <<localtime>> will overwrite the
information generated by previous calls to either function.
 
RETURNS
A pointer to the traditional time representation (<<struct tm>>).
 
PORTABILITY
ANSI C requires <<gmtime>>.
 
<<gmtime>> requires no supporting OS subroutines.
*/
 
#include <stdlib.h>
#include <time.h>
 
#define _GMT_OFFSET 0
 
#ifndef _REENT_ONLY
 
struct tm *
_DEFUN (gmtime, (tim_p),
_CONST time_t * tim_p)
{
time_t tim = *tim_p + _GMT_OFFSET;
 
return (localtime (&tim));
}
 
#endif
/ctime_r.c
0,0 → 1,15
/*
* ctime_r.c
*/
 
#include <time.h>
 
char *
_DEFUN (ctime_r, (tim_p, result),
_CONST time_t * tim_p _AND
char * result)
 
{
struct tm tm;
return asctime_r (localtime_r (tim_p, &tm), result);
}
/asctime.c
0,0 → 1,64
/*
* asctime.c
* Original Author: G. Haley
*
* Converts the broken down time in the structure pointed to by tim_p into a
* string of the form
*
* Wed Jun 15 11:38:07 1988\n\0
*
* Returns a pointer to the string.
*/
 
/*
FUNCTION
<<asctime>>---format time as string
 
INDEX
asctime
INDEX
_asctime_r
 
ANSI_SYNOPSIS
#include <time.h>
char *asctime(const struct tm *<[clock]>);
char *asctime_r(const struct tm *<[clock]>, char *<[buf]>);
 
TRAD_SYNOPSIS
#include <time.h>
char *asctime(<[clock]>)
struct tm *<[clock]>;
char *asctime_r(<[clock]>)
struct tm *<[clock]>;
char *<[buf]>;
 
DESCRIPTION
Format the time value at <[clock]> into a string of the form
. Wed Jun 15 11:38:07 1988\n\0
The string is generated in a static buffer; each call to <<asctime>>
overwrites the string generated by previous calls.
 
RETURNS
A pointer to the string containing a formatted timestamp.
 
PORTABILITY
ANSI C requires <<asctime>>.
 
<<asctime>> requires no supporting OS subroutines.
*/
 
#include <time.h>
#include <_ansi.h>
#include <reent.h>
 
#ifndef _REENT_ONLY
 
char *
_DEFUN (asctime, (tim_p),
_CONST struct tm *tim_p)
{
char *buf = _REENT->_new._reent._asctime_buf;
return asctime_r (tim_p, buf);
}
 
#endif
/mktime.c
0,0 → 1,204
/*
* mktime.c
* Original Author: G. Haley
*
* Converts the broken-down time, expressed as local time, in the structure
* pointed to by tim_p into a calendar time value. The original values of the
* tm_wday and tm_yday fields of the structure are ignored, and the original
* values of the other fields have no restrictions. On successful completion
* the fields of the structure are set to represent the specified calendar
* time. Returns the specified calendar time. If the calendar time can not be
* represented, returns the value (time_t) -1.
*/
 
/*
FUNCTION
<<mktime>>---convert time to arithmetic representation
 
INDEX
mktime
 
ANSI_SYNOPSIS
#include <time.h>
time_t mktime(struct tm *<[timp]>);
 
TRAD_SYNOPSIS
#include <time.h>
time_t mktime(<[timp]>)
struct tm *<[timp]>;
 
DESCRIPTION
<<mktime>> assumes the time at <[timp]> is a local time, and converts
its representation from the traditional representation defined by
<<struct tm>> into a representation suitable for arithmetic.
 
<<localtime>> is the inverse of <<mktime>>.
 
RETURNS
If the contents of the structure at <[timp]> do not form a valid
calendar time representation, the result is <<-1>>. Otherwise, the
result is the time, converted to a <<time_t>> value.
 
PORTABILITY
ANSI C requires <<mktime>>.
 
<<mktime>> requires no supporting OS subroutines.
*/
 
#include <stdlib.h>
#include <time.h>
 
#define _SEC_IN_MINUTE 60L
#define _SEC_IN_HOUR 3600L
#define _SEC_IN_DAY 86400L
 
static _CONST int DAYS_IN_MONTH[12] =
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 
#define _DAYS_IN_MONTH(x) ((x == 1) ? days_in_feb : DAYS_IN_MONTH[x])
 
static _CONST int _DAYS_BEFORE_MONTH[12] =
{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
 
#define _ISLEAP(y) (((y) % 4) == 0 && (((y) % 100) != 0 || (((y)+1900) % 400) == 0))
#define _DAYS_IN_YEAR(year) (_ISLEAP(year) ? 366 : 365)
 
static void
validate_structure (tim_p)
struct tm *tim_p;
{
div_t res;
int days_in_feb = 28;
 
/* calculate time & date to account for out of range values */
if (tim_p->tm_sec < 0 || tim_p->tm_sec > 59)
{
res = div (tim_p->tm_sec, 60);
tim_p->tm_min += res.quot;
if ((tim_p->tm_sec = res.rem) < 0)
{
tim_p->tm_sec += 60;
--tim_p->tm_min;
}
}
 
if (tim_p->tm_min < 0 || tim_p->tm_min > 59)
{
res = div (tim_p->tm_min, 60);
tim_p->tm_hour += res.quot;
if ((tim_p->tm_min = res.rem) < 0)
{
tim_p->tm_min += 60;
--tim_p->tm_hour;
}
}
 
if (tim_p->tm_hour < 0 || tim_p->tm_hour > 23)
{
res = div (tim_p->tm_hour, 24);
tim_p->tm_mday += res.quot;
if ((tim_p->tm_hour = res.rem) < 0)
{
tim_p->tm_hour += 24;
--tim_p->tm_mday;
}
}
 
if (tim_p->tm_mon > 11)
{
res = div (tim_p->tm_mon, 12);
tim_p->tm_year += res.quot;
if ((tim_p->tm_mon = res.rem) < 0)
{
tim_p->tm_mon += 12;
--tim_p->tm_year;
}
}
 
if (_DAYS_IN_YEAR (tim_p->tm_year) == 366)
days_in_feb = 29;
 
if (tim_p->tm_mday <= 0)
{
while (tim_p->tm_mday <= 0)
{
if (--tim_p->tm_mon == -1)
{
tim_p->tm_year--;
tim_p->tm_mon = 11;
days_in_feb =
((_DAYS_IN_YEAR (tim_p->tm_year) == 366) ?
29 : 28);
}
tim_p->tm_mday += _DAYS_IN_MONTH (tim_p->tm_mon);
}
}
else
{
while (tim_p->tm_mday > _DAYS_IN_MONTH (tim_p->tm_mon))
{
tim_p->tm_mday -= _DAYS_IN_MONTH (tim_p->tm_mon);
if (++tim_p->tm_mon == 12)
{
tim_p->tm_year++;
tim_p->tm_mon = 0;
days_in_feb =
((_DAYS_IN_YEAR (tim_p->tm_year) == 366) ?
29 : 28);
}
}
}
}
 
time_t
mktime (tim_p)
struct tm *tim_p;
{
time_t tim = 0;
long days = 0;
int year;
 
/* validate structure */
validate_structure (tim_p);
 
/* compute hours, minutes, seconds */
tim += tim_p->tm_sec + (tim_p->tm_min * _SEC_IN_MINUTE) +
(tim_p->tm_hour * _SEC_IN_HOUR);
 
/* compute days in year */
days += tim_p->tm_mday - 1;
days += _DAYS_BEFORE_MONTH[tim_p->tm_mon];
if (tim_p->tm_mon > 1 && _DAYS_IN_YEAR (tim_p->tm_year) == 366)
days++;
 
/* compute day of the year */
tim_p->tm_yday = days;
 
if (tim_p->tm_year > 10000
|| tim_p->tm_year < -10000)
{
return (time_t) -1;
}
 
/* compute days in other years */
if (tim_p->tm_year > 70)
{
for (year = 70; year < tim_p->tm_year; year++)
days += _DAYS_IN_YEAR (year);
}
else if (tim_p->tm_year < 70)
{
for (year = 69; year > tim_p->tm_year; year--)
days -= _DAYS_IN_YEAR (year);
days -= _DAYS_IN_YEAR (year);
}
 
/* compute day of the week */
if ((tim_p->tm_wday = (days + 4) % 7) < 0)
tim_p->tm_wday += 7;
 
/* compute total seconds */
tim += (days * _SEC_IN_DAY);
 
return tim;
}
/difftime.c
0,0 → 1,44
/*
* difftime.c
* Original Author: G. Haley
*/
 
/*
FUNCTION
<<difftime>>---subtract two times
 
INDEX
difftime
 
ANSI_SYNOPSIS
#include <time.h>
double difftime(time_t <[tim1]>, time_t <[tim2]>);
 
TRAD_SYNOPSIS
#include <time.h>
double difftime(<[tim1]>, <[tim2]>)
time_t <[tim1]>;
time_t <[tim2]>;
 
DESCRIPTION
Subtracts the two times in the arguments: `<<<[tim1]> - <[tim2]>>>'.
 
RETURNS
The difference (in seconds) between <[tim2]> and <[tim1]>, as a <<double>>.
 
PORTABILITY
ANSI C requires <<difftime>>, and defines its result to be in seconds
in all implementations.
 
<<difftime>> requires no supporting OS subroutines.
*/
 
#include <time.h>
 
double
_DEFUN (difftime, (tim1, tim2),
time_t tim1 _AND
time_t tim2)
{
return ((double) tim1 - tim2);
}
/Makefile.am
0,0 → 1,60
## Process this file with automake to generate Makefile.in
 
AUTOMAKE_OPTIONS = cygnus
 
INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
LIB_SOURCES = \
asctime.c \
asctime_r.c \
clock.c \
ctime.c \
ctime_r.c \
difftime.c \
gmtime.c \
gmtime_r.c \
lcltime.c \
lcltime_r.c \
mktime.c \
strftime.c \
time.c
 
libtime_la_LDFLAGS = -Xcompiler -nostdlib
 
if USE_LIBTOOL
noinst_LTLIBRARIES = libtime.la
libtime_la_SOURCES = $(LIB_SOURCES)
noinst_DATA = objectlist.awk.in
else
noinst_LIBRARIES = lib.a
lib_a_SOURCES = $(LIB_SOURCES)
noinst_DATA =
endif # USE_LIBTOOL
 
include $(srcdir)/../../Makefile.shared
 
CHEWOUT_FILES = \
asctime.def \
clock.def \
ctime.def \
difftime.def \
gmtime.def \
lcltime.def \
mktime.def \
strftime.def \
time.def
 
SUFFIXES = .def
 
CHEW = ../../doc/makedoc -f $(srcdir)/../../doc/doc.str
 
.c.def:
$(CHEW) < $< > $*.def 2> $*.ref
touch stmp-def
 
TARGETDOC = ../tmp.texi
 
doc: $(CHEWOUT_FILES)
cat $(srcdir)/time.tex >> $(TARGETDOC)
 
CLEANFILES = $(CHEWOUT_FILES) *.ref
/lcltime.c
0,0 → 1,57
/*
* localtime.c
*/
 
/*
FUNCTION
<<localtime>>---convert time to local representation
 
INDEX
localtime
 
ANSI_SYNOPSIS
#include <time.h>
struct tm *localtime(time_t *<[clock]>);
struct tm *localtime_r(time_t *<[clock]>, struct tm *<[res]>);
 
TRAD_SYNOPSIS
#include <time.h>
struct tm *localtime(<[clock]>)
time_t *<[clock]>;
struct tm *localtime(<[clock]>, <[res]>)
time_t *<[clock]>;
struct tm *<[res]>;
 
DESCRIPTION
<<localtime>> converts the time at <[clock]> into local time, then
converts its representation from the arithmetic representation to the
traditional representation defined by <<struct tm>>.
 
<<localtime>> constructs the traditional time representation in static
storage; each call to <<gmtime>> or <<localtime>> will overwrite the
information generated by previous calls to either function.
 
<<mktime>> is the inverse of <<localtime>>.
 
RETURNS
A pointer to the traditional time representation (<<struct tm>>).
 
PORTABILITY
ANSI C requires <<localtime>>.
 
<<localtime>> requires no supporting OS subroutines.
*/
 
#include <time.h>
#include <reent.h>
 
#ifndef _REENT_ONLY
 
struct tm *
_DEFUN (localtime, (tim_p),
_CONST time_t * tim_p)
{
return localtime_r (tim_p, (struct tm *)&(_REENT->_new._reent._localtime_buf));
}
 
#endif
/clock.c
0,0 → 1,69
/* NetWare can not use this implementation of clock, since it does not
have times or any similar function. It provides its own version of
clock in clib.nlm. If we can not use clib.nlm, then we must write
clock in sys/netware. */
 
#ifdef CLOCK_PROVIDED
 
int _dummy_clock = 1;
 
#else
 
/*
* clock.c
* Original Author: G. Haley
*
* Determines the processor time used by the program since invocation. The time
* in seconds is the value returned divided by the value of the macro CLK_TCK.
* If the processor time used is not available, (clock_t) -1 is returned.
*/
 
/*
FUNCTION
<<clock>>---cumulative processor time
 
INDEX
clock
 
ANSI_SYNOPSIS
#include <time.h>
clock_t clock(void);
 
TRAD_SYNOPSIS
#include <time.h>
clock_t clock();
 
DESCRIPTION
Calculates the best available approximation of the cumulative amount
of time used by your program since it started. To convert the result
into seconds, divide by the macro <<CLOCKS_PER_SEC>>.
 
RETURNS
The amount of processor time used so far by your program, in units
defined by the machine-dependent macro <<CLOCKS_PER_SEC>>. If no
measurement is available, the result is <<-1>>.
 
PORTABILITY
ANSI C requires <<clock>> and <<CLOCKS_PER_SEC>>.
 
Supporting OS subroutine required: <<times>>.
*/
 
#include <time.h>
#include <sys/times.h>
#include <reent.h>
 
clock_t
clock ()
{
struct tms tim_s;
clock_t res;
 
if ((res = (clock_t) _times_r (_REENT, &tim_s)) != -1)
res = (clock_t) (tim_s.tms_utime + tim_s.tms_stime +
tim_s.tms_cutime + tim_s.tms_cstime);
 
return res;
}
 
#endif /* CLOCK_PROVIDED */
/strftime.c
0,0 → 1,445
/*
* strftime.c
* Original Author: G. Haley
*
* Places characters into the array pointed to by s as controlled by the string
* pointed to by format. If the total number of resulting characters including
* the terminating null character is not more than maxsize, returns the number
* of characters placed into the array pointed to by s (not including the
* terminating null character); otherwise zero is returned and the contents of
* the array indeterminate.
*/
 
/*
FUNCTION
<<strftime>>---flexible calendar time formatter
 
INDEX
strftime
 
ANSI_SYNOPSIS
#include <time.h>
size_t strftime(char *<[s]>, size_t <[maxsize]>,
const char *<[format]>, const struct tm *<[timp]>);
 
TRAD_SYNOPSIS
#include <time.h>
size_t strftime(<[s]>, <[maxsize]>, <[format]>, <[timp]>)
char *<[s]>;
size_t <[maxsize]>;
char *<[format]>;
struct tm *<[timp]>;
 
DESCRIPTION
<<strftime>> converts a <<struct tm>> representation of the time (at
<[timp]>) into a string, starting at <[s]> and occupying no more than
<[maxsize]> characters.
 
You control the format of the output using the string at <[format]>.
<<*<[format]>>> can contain two kinds of specifications: text to be
copied literally into the formatted string, and time conversion
specifications. Time conversion specifications are two-character
sequences beginning with `<<%>>' (use `<<%%>>' to include a percent
sign in the output). Each defined conversion specification selects a
field of calendar time data from <<*<[timp]>>>, and converts it to a
string in one of the following ways:
 
o+
o %a
An abbreviation for the day of the week.
 
o %A
The full name for the day of the week.
 
o %b
An abbreviation for the month name.
 
o %B
The full name of the month.
 
o %c
A string representing the complete date and time, in the form
. Mon Apr 01 13:13:13 1992
 
o %d
The day of the month, formatted with two digits.
 
o %H
The hour (on a 24-hour clock), formatted with two digits.
 
o %I
The hour (on a 12-hour clock), formatted with two digits.
 
o %j
The count of days in the year, formatted with three digits
(from `<<001>>' to `<<366>>').
 
o %m
The month number, formatted with two digits.
 
o %M
The minute, formatted with two digits.
 
o %p
Either `<<AM>>' or `<<PM>>' as appropriate.
 
o %S
The second, formatted with two digits.
 
o %U
The week number, formatted with two digits (from `<<00>>' to `<<53>>';
week number 1 is taken as beginning with the first Sunday in a year).
See also <<%W>>.
 
o %w
A single digit representing the day of the week: Sunday is day <<0>>.
 
o %W
Another version of the week number: like `<<%U>>', but counting week 1
as beginning with the first Monday in a year.
 
o
o %x
A string representing the complete date, in a format like
. Mon Apr 01 1992
 
o %X
A string representing the full time of day (hours, minutes, and
seconds), in a format like
. 13:13:13
 
o %y
The last two digits of the year.
 
o %Y
The full year, formatted with four digits to include the century.
 
o %Z
Defined by ANSI C as eliciting the time zone if available; it is not
available in this implementation (which accepts `<<%Z>>' but generates
no output for it).
 
o %%
A single character, `<<%>>'.
o-
 
RETURNS
When the formatted time takes up no more than <[maxsize]> characters,
the result is the length of the formatted string. Otherwise, if the
formatting operation was abandoned due to lack of room, the result is
<<0>>, and the string starting at <[s]> corresponds to just those
parts of <<*<[format]>>> that could be completely filled in within the
<[maxsize]> limit.
 
PORTABILITY
ANSI C requires <<strftime>>, but does not specify the contents of
<<*<[s]>>> when the formatted string would require more than
<[maxsize]> characters.
 
<<strftime>> requires no supporting OS subroutines.
*/
 
#include <stddef.h>
#include <stdio.h>
#include <time.h>
 
static _CONST int dname_len[7] =
{6, 6, 7, 9, 8, 6, 8};
 
static _CONST char *_CONST dname[7] =
{"Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday"};
 
static _CONST int mname_len[12] =
{7, 8, 5, 5, 3, 4, 4, 6, 9, 7, 8, 8};
 
static _CONST char *_CONST mname[12] =
{"January", "February", "March", "April",
"May", "June", "July", "August", "September", "October", "November",
"December"};
 
size_t
_DEFUN (strftime, (s, maxsize, format, tim_p),
char *s _AND
size_t maxsize _AND
_CONST char *format _AND
_CONST struct tm *tim_p)
{
size_t count = 0;
int i;
 
for (;;)
{
while (*format && *format != '%')
{
if (count < maxsize - 1)
s[count++] = *format++;
else
return 0;
}
 
if (*format == '\0')
break;
 
format++;
switch (*format)
{
case 'a':
for (i = 0; i < 3; i++)
{
if (count < maxsize - 1)
s[count++] =
dname[tim_p->tm_wday][i];
else
return 0;
}
break;
case 'A':
for (i = 0; i < dname_len[tim_p->tm_wday]; i++)
{
if (count < maxsize - 1)
s[count++] =
dname[tim_p->tm_wday][i];
else
return 0;
}
break;
case 'b':
for (i = 0; i < 3; i++)
{
if (count < maxsize - 1)
s[count++] =
mname[tim_p->tm_mon][i];
else
return 0;
}
break;
case 'B':
for (i = 0; i < mname_len[tim_p->tm_mon]; i++)
{
if (count < maxsize - 1)
s[count++] =
mname[tim_p->tm_mon][i];
else
return 0;
}
break;
case 'c':
if (count < maxsize - 24)
{
for (i = 0; i < 3; i++)
s[count++] =
dname[tim_p->tm_wday][i];
s[count++] = ' ';
for (i = 0; i < 3; i++)
s[count++] =
mname[tim_p->tm_mon][i];
 
sprintf (&s[count],
" %.2d %2.2d:%2.2d:%2.2d %.4d",
tim_p->tm_mday, tim_p->tm_hour,
tim_p->tm_min,
tim_p->tm_sec, 1900 +
tim_p->tm_year);
count += 17;
}
else
return 0;
break;
case 'd':
if (count < maxsize - 2)
{
sprintf (&s[count], "%.2d",
tim_p->tm_mday);
count += 2;
}
else
return 0;
break;
case 'H':
if (count < maxsize - 2)
{
sprintf (&s[count], "%2.2d",
tim_p->tm_hour);
count += 2;
}
else
return 0;
break;
case 'I':
if (count < maxsize - 2)
{
if (tim_p->tm_hour == 0 ||
tim_p->tm_hour == 12)
{
s[count++] = '1';
s[count++] = '2';
}
else
{
sprintf (&s[count], "%.2d",
tim_p->tm_hour % 12);
count += 2;
}
}
else
return 0;
break;
case 'j':
if (count < maxsize - 3)
{
sprintf (&s[count], "%.3d",
tim_p->tm_yday + 1);
count += 3;
}
else
return 0;
break;
case 'm':
if (count < maxsize - 2)
{
sprintf (&s[count], "%.2d",
tim_p->tm_mon + 1);
count += 2;
}
else
return 0;
break;
case 'M':
if (count < maxsize - 2)
{
sprintf (&s[count], "%2.2d",
tim_p->tm_min);
count += 2;
}
else
return 0;
break;
case 'p':
if (count < maxsize - 2)
{
if (tim_p->tm_hour < 12)
s[count++] = 'A';
else
s[count++] = 'P';
 
s[count++] = 'M';
}
else
return 0;
break;
case 'S':
if (count < maxsize - 2)
{
sprintf (&s[count], "%2.2d",
tim_p->tm_sec);
count += 2;
}
else
return 0;
break;
case 'U':
if (count < maxsize - 2)
{
sprintf (&s[count], "%2.2d",
(tim_p->tm_yday + 7 -
tim_p->tm_wday) / 7);
count += 2;
}
else
return 0;
break;
case 'w':
if (count < maxsize - 1)
{
sprintf (&s[count], "%1.1d",
tim_p->tm_wday);
count++;
}
else
return 0;
break;
case 'W':
if (count < maxsize - 2)
{
int wday = (tim_p->tm_wday) ? tim_p->tm_wday - 1 : 6;
sprintf (&s[count], "%2.2d",
(tim_p->tm_yday + 7 -
wday) / 7);
count += 2;
}
else
return 0;
break;
case 'x':
if (count < maxsize - 15)
{
for (i = 0; i < 3; i++)
s[count++] =
dname[tim_p->tm_wday][i];
s[count++] = ' ';
for (i = 0; i < 3; i++)
s[count++] =
mname[tim_p->tm_mon][i];
 
sprintf (&s[count],
" %.2d %.4d", tim_p->tm_mday,
1900 + tim_p->tm_year);
count += 8;
}
else
return 0;
break;
case 'X':
if (count < maxsize - 8)
{
sprintf (&s[count],
"%2.2d:%2.2d:%2.2d",
tim_p->tm_hour, tim_p->tm_min,
tim_p->tm_sec);
count += 8;
}
else
return 0;
break;
case 'y':
if (count < maxsize - 2)
{
/* The year could be greater than 100, so we need the value
modulo 100. The year could be negative, so we need to
correct for a possible negative remainder. */
sprintf (&s[count], "%2.2d",
(tim_p->tm_year % 100 + 100) % 100);
count += 2;
}
else
return 0;
break;
case 'Y':
if (count < maxsize - 4)
{
sprintf (&s[count], "%.4d",
1900 + tim_p->tm_year);
count += 4;
}
else
return 0;
break;
case 'Z':
break;
case '%':
if (count < maxsize - 1)
s[count++] = '%';
else
return 0;
break;
}
if (*format)
format++;
else
break;
}
s[count] = '\0';
 
return count;
}

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