/*-

 * Copyright (c) 2003-2007 Tim Kientzle

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer

 *    in this position and unchanged.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "lafe_platform.h"

__FBSDID("$FreeBSD$");

#ifdef HAVE_STDARG_H

#include <stdarg.h>

#endif

#include <stdio.h>

#ifdef HAVE_STDLIB_H

#include <stdlib.h>

#endif

#ifdef HAVE_STRING_H

#include <string.h>

#endif

#include "err.h"

static void lafe_vwarnc(int, const char *, va_list) __LA_PRINTFLIKE(2, 0);

static const char *lafe_progname;

const char *

lafe_getprogname(void)

{

	return lafe_progname;

}

void

lafe_setprogname(const char *name, const char *defaultname)

{

	if (name == NULL)

		name = defaultname;

#if defined(_WIN32) && !defined(__CYGWIN__)

	lafe_progname = strrchr(name, '\\');

	if (strrchr(name, '/') > lafe_progname)

#endif

	lafe_progname = strrchr(name, '/');

	if (lafe_progname != NULL)

		lafe_progname++;

	else

		lafe_progname = name;

}

static void

lafe_vwarnc(int code, const char *fmt, va_list ap)

{

	fprintf(stderr, "%s: ", lafe_progname);

	vfprintf(stderr, fmt, ap);

	if (code != 0)

		fprintf(stderr, ": %s", strerror(code));

	fprintf(stderr, "\n");

}

void

lafe_warnc(int code, const char *fmt, ...)

{

	va_list ap;

	va_start(ap, fmt);

	lafe_vwarnc(code, fmt, ap);

	va_end(ap);

}

void

lafe_errc(int eval, int code, const char *fmt, ...)

{

	va_list ap;

	va_start(ap, fmt);

	lafe_vwarnc(code, fmt, ap);

	va_end(ap);

	exit(eval);

}