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74 lines
2.4 KiB
74 lines
2.4 KiB
4 months ago
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/*
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* Print time_t and nanoseconds in symbolic format.
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*
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* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <stdio.h>
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#include <time.h>
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static void
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print_time_t_ex(const time_t t, const unsigned long long part_sec,
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const unsigned int max_part_sec, const int width,
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const int comment)
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{
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if ((!t && !part_sec) || part_sec > max_part_sec)
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return;
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const struct tm *const p = localtime(&t);
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char buf[256];
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if (!p || !strftime(buf, sizeof(buf), "%FT%T", p))
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return;
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if (comment)
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fputs(" /* ", stdout);
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fputs(buf, stdout);
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if (part_sec)
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printf(".%0*llu", width, part_sec);
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if (strftime(buf, sizeof(buf), "%z", p))
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fputs(buf, stdout);
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if (comment)
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fputs(" */", stdout);
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}
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void
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print_time_t_nsec(const time_t t, const unsigned long long nsec, int comment)
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{
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print_time_t_ex(t, nsec, 999999999, 9, comment);
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}
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void
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print_time_t_usec(const time_t t, const unsigned long long usec, int comment)
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{
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print_time_t_ex(t, usec, 999999, 6, comment);
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}
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