mirror of
https://github.com/freebsd/freebsd-src
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b6d812d2dd
Improvements include: * readelf: report all relocation types in rel/rela for MIPS N64 * readelf: add ELFOSABI_ARM_AEABI * elfdump: add ELFOSABI_ARM_AEABI and ELFOSABI_ARM * Add recent RISC-V relocations * elfcopy: use elftc_timestamp, to support SOURCE_DATE_EPOCH Sponsored by: The FreeBSD Foundation
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*-
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* Copyright (c) 2016 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Ed Maste under sponsorship
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* of the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <errno.h>
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#include <stdlib.h>
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#include <time.h>
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#include <libelftc.h>
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int
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elftc_timestamp(time_t *timestamp)
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{
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long long source_date_epoch;
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char *env, *eptr;
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if ((env = getenv("SOURCE_DATE_EPOCH")) != NULL) {
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errno = 0;
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source_date_epoch = strtoll(env, &eptr, 10);
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if (*eptr != '\0')
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errno = EINVAL;
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if (source_date_epoch < 0)
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errno = ERANGE;
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if (errno != 0)
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return (-1);
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*timestamp = source_date_epoch;
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return (0);
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}
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*timestamp = time(NULL);
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return (0);
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}
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