/*
 * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "compat.h"

#ifdef	HAVE_ERR_H
#include <err.h>
#endif /* HAVE_ERR_H */
#include <stdio.h>
#include <string.h>

#include "util.h"

void *
xmalloc(size_t size)
{
	void	*ptr;

	ptr = malloc(size);
	if (ptr == NULL) {
		err(1, "malloc");
	}

	return (ptr);
}

void *
xrealloc(void *ptr, size_t size)
{
	ptr = realloc(ptr, size);
	if (ptr == NULL) {
		err(1, "realloc");
	}

	return (ptr);
}

char *
xstrdup(const char *str)
{
	char	*new;

	new = strdup(str);
	if (new == NULL) {
		err(1, "strdup");
	}

	return (new);
}

char *
xvasprintf(char **strp, const char *fmt, va_list args)
{
	if (vasprintf(strp, fmt, args) < 0) {
		err(1, "vasprintf");
	}

	return (*strp);
}

char *
xasprintf(char **strp, const char *fmt, ...)
{
	va_list	args;

	va_start(args, fmt);
	xvasprintf(strp, fmt, args);
	va_end(args);

	return (*strp);
}