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e78c4c4983
Between versions v2.11 and v2.12 struct ntptimeval got new fields. That wasn't a problem because new function ntp_gettimex was created (and made default) to support new struct. Old ntp_gettime was not using new fields so it was safe to call with old struct definition. Then commits5613afe9e3andb6ad64b907(added for 64 bit time_t support), ntp_gettime start setting new fields. Sets fields manually to maintain compatibility with v2.11 struct definition. Resolves #30156 Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* Copyright (C) 1999-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define ntp_gettime ntp_gettime_redirect
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#include <time.h>
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#include <sys/timex.h>
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#undef ntp_gettime
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#ifndef MOD_OFFSET
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# define modes mode
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#endif
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/* glibc 2.12 added the 'tai' field to follow along the kernel, but it did
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not add a compatibility symbol, instead it added __ntp_gettimex. However
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ntptimeval was still used in both cases, so to keep compatibility it
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can not set all the new field. */
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/* clock_adjtime64 with CLOCK_REALTIME does not trigger EINVAL,
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ENODEV, or EOPNOTSUPP. It might still trigger EPERM. */
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int
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__ntp_gettime64 (struct __ntptimeval64 *ntv)
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{
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struct __timex64 tntx;
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int result;
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tntx.modes = 0;
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result = __clock_adjtime64 (CLOCK_REALTIME, &tntx);
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ntv->time = tntx.time;
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ntv->maxerror = tntx.maxerror;
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ntv->esterror = tntx.esterror;
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return result;
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}
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#if __TIMESIZE != 64
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libc_hidden_def (__ntp_gettime64)
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int
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__ntp_gettime (struct ntptimeval *ntv)
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{
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struct __ntptimeval64 ntv64;
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int result;
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result = __ntp_gettime64 (&ntv64);
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ntv->time = valid_timeval64_to_timeval (ntv64.time);
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ntv->maxerror = ntv64.maxerror;
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ntv->esterror = ntv64.esterror;
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return result;
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}
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#endif
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strong_alias (__ntp_gettime, ntp_gettime)
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