// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
// SPDX-License-Identifier: BSD-3-Clause


#ifndef SHADOW_INCLUDE_LIB_STRING_SPRINTF_XASPRINTF_H_
#define SHADOW_INCLUDE_LIB_STRING_SPRINTF_XASPRINTF_H_


#include <config.h>

#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>

#include "attr.h"


format_attr(printf, 2, 3)
inline int xasprintf(char **restrict s, const char *restrict fmt, ...);
format_attr(printf, 2, 0)
inline int xvasprintf(char **restrict s, const char *restrict fmt, va_list ap);


inline int
xasprintf(char **restrict s, const char *restrict fmt, ...)
{
	int      len;
	va_list  ap;

	va_start(ap, fmt);
	len = xvasprintf(s, fmt, ap);
	va_end(ap);

	return len;
}


inline int
xvasprintf(char **restrict s, const char *restrict fmt, va_list ap)
{
	int  len;

	len = vasprintf(s, fmt, ap);
	if (len == -1) {
		perror("asprintf");
		exit(EXIT_FAILURE);
	}

	return len;
}


#endif  // include guard