55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
/*
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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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* Copyright (c) 2017-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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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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