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Add timeconv module from FreeBSD

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Inline license information from FreeBSD root dir COPYRIGHT file.
This commit is contained in:
Guillem Jover 2013-10-11 05:43:42 +02:00
parent f41fdcf186
commit 8d16c3df67
6 changed files with 196 additions and 0 deletions
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9
COPYING
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@ -118,6 +118,12 @@ The rest of the licenses apply to code and/or man pages.
Some code is derived from software contributed to Berkeley by
Chris Torek.
© UNIX System Laboratories, Inc.
All or some portions of this file are derived from material licensed
to the University of California by American Telephone and Telegraph
Co. or Unix System Laboratories, Inc. and are reproduced herein with
the permission of UNIX System Laboratories, Inc.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
@ -243,6 +249,9 @@ The rest of the licenses apply to code and/or man pages.
Copyright © 2001 Dima Dorfman.
All rights reserved.
Copyright © 2001 FreeBSD Inc.
All rights reserved.
Copyright © 2002 Thomas Moestl <tmm@FreeBSD.org>
All rights reserved.

1
include/Makefile.am
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@ -19,6 +19,7 @@ nobase_include_HEADERS = \
bsd/stdio.h \
bsd/stdlib.h \
bsd/string.h \
bsd/timeconv.h \
bsd/unistd.h \
bsd/vis.h \
bsd/wchar.h \

57
include/bsd/timeconv.h Normal file
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@ -0,0 +1,57 @@
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)time.h 8.3 (Berkeley) 1/21/94
*/
/*
* $FreeBSD$
*/
#ifndef _TIMECONV_H_
#define _TIMECONV_H_
#include <sys/cdefs.h>
#include <stdint.h>
#include <time.h>
time_t _time32_to_time(int32_t t32);
int32_t _time_to_time32(time_t t);
time_t _time64_to_time(int64_t t64);
int64_t _time_to_time64(time_t t);
long _time_to_long(time_t t);
time_t _long_to_time(long tlong);
int _time_to_int(time_t t);
time_t _int_to_time(int tint);
#endif /* _TIMECONV_H_ */

1
src/Makefile.am
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@ -73,6 +73,7 @@ libbsd_la_SOURCES = \
strmode.c \
strnstr.c \
strtonum.c \
timeconv.c \
unvis.c \
vis.c \
wcslcat.c \

9
src/libbsd.map
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@ -113,4 +113,13 @@ LIBBSD_0.6 {
LIBBSD_0.7 {
funopen;
_time32_to_time;
_time_to_time32;
_time64_to_time;
_time_to_time64;
_time_to_long;
_long_to_time;
_time_to_int;
_int_to_time;
} LIBBSD_0.6;

119
src/timeconv.c Normal file
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@ -0,0 +1,119 @@
/*-
* Copyright (c) 2001 FreeBSD Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* These routines are for converting time_t to fixed-bit representations
* for use in protocols or storage. When converting time to a larger
* representation of time_t these routines are expected to assume temporal
* locality and use the 50-year rule to properly set the msb bits. XXX
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <timeconv.h>
/*
* Convert a 32 bit representation of time_t into time_t. XXX needs to
* implement the 50-year rule to handle post-2038 conversions.
*/
time_t
_time32_to_time(int32_t t32)
{
return((time_t)t32);
}
/*
* Convert time_t to a 32 bit representation. If time_t is 64 bits we can
* simply chop it down. The resulting 32 bit representation can be
* converted back to a temporally local 64 bit time_t using time32_to_time.
*/
int32_t
_time_to_time32(time_t t)
{
return((int32_t)t);
}
/*
* Convert a 64 bit representation of time_t into time_t. If time_t is
* represented as 32 bits we can simply chop it and not support times
* past 2038.
*/
time_t
_time64_to_time(int64_t t64)
{
return((time_t)t64);
}
/*
* Convert time_t to a 64 bit representation. If time_t is represented
* as 32 bits we simply sign-extend and do not support times past 2038.
*/
int64_t
_time_to_time64(time_t t)
{
return((int64_t)t);
}
/*
* Convert to/from 'long'. Depending on the sizeof(long) this may or
* may not require using the 50-year rule.
*/
long
_time_to_long(time_t t)
{
if (sizeof(long) == sizeof(int64_t))
return(_time_to_time64(t));
return((long)t);
}
time_t
_long_to_time(long tlong)
{
if (sizeof(long) == sizeof(int32_t))
return(_time32_to_time(tlong));
return((time_t)tlong);
}
/*
* Convert to/from 'int'. Depending on the sizeof(int) this may or
* may not require using the 50-year rule.
*/
int
_time_to_int(time_t t)
{
if (sizeof(int) == sizeof(int64_t))
return(_time_to_time64(t));
return((int)t);
}
time_t
_int_to_time(int tint)
{
if (sizeof(int) == sizeof(int32_t))
return(_time32_to_time(tint));
return((time_t)tint);
}