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/* This file is part of vmod-binlog
   Copyright (C) 2013-2014 Sergey Poznyakoff

   Vmod-binlog is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   Vmod-binlog is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with vmod-binlog.  If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include "err.h"

const char *progname;

void
setprogname(const char *arg)
{
	char *p = strrchr(arg, '/');
	if (p)
		progname = p + 1;
	else
		progname = arg;
}

void
verror(const char *fmt, va_list ap)
{
	fprintf(stderr, "%s: ", progname);
	vfprintf(stderr, fmt, ap);
	fputc('\n', stderr);
}

void
error(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	verror(fmt, ap);
	va_end(ap);
}

void
packerror(const char *fmt, ...)
{
	va_list ap;

	va_start(ap, fmt);
	verror(fmt, ap);
	va_end(ap);
}

void
version(void)
{
	printf("%s (%s) %s\n", progname, PACKAGE_TARNAME, PACKAGE_VERSION);
	printf("Copyright (C) 2013 Sergey Poznyakoff\n");
	printf("License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n");
	printf("This is free software: you are free to change and redistribute it.\n");
	printf("There is NO WARRANTY, to the extent permitted by law.\n");
}

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