74 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.4 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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 * 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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