/*
 * Copyright © 2004-2024 Guillem Jover <guillem@hadrons.org>
 *
 * 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.
 * 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``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 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.
 */

#if defined(__need_FILE) || defined(__need___FILE)
#define LIBBSD_STDIO_H_SKIP
#endif

#ifdef LIBBSD_OVERLAY
#include_next <stdio.h>
#else
#include <stdio.h>
#endif

#ifndef LIBBSD_STDIO_H_SKIP
#ifndef LIBBSD_STDIO_H
#define LIBBSD_STDIO_H

#ifdef LIBBSD_OVERLAY
#include <sys/cdefs.h>
#else
#include <bsd/sys/cdefs.h>
#endif
#include <sys/types.h>
#if defined(_AIX)
#include <stdarg.h>
#endif

__BEGIN_DECLS
#if defined(_AIX)
int asprintf(char **strp, char const *fmt, ...)
	__printflike(2, 3);
int vasprintf(char **strp, char const *fmt, va_list args)
	__printflike(2, 0);
#endif

const char *fmtcheck(const char *, const char *);

/* XXX: The function requires cooperation from the system libc to store the
 * line buffer in the FILE struct itself. */
char *fgetln(FILE *fp, size_t *lenp)
	LIBBSD_DEPRECATED("This functions cannot be safely ported, "
	                  "use getline(3) instead, as it is supported "
	                  "by GNU and POSIX.1-2008.");

/*
 * Note: We diverge from the FreeBSD, OpenBSD and DragonFlyBSD declarations,
 * because seekfn() there wrongly uses fpos_t, assuming it's an integral
 * type, and any code using that on a system where fpos_t is a struct
 * (such as GNU-based systems or NetBSD) will fail to build. In which case,
 * as the code has to be modified anyway, we might just as well use the
 * correct declaration here.
 */
FILE *funopen(const void *cookie,
              int (*readfn)(void *cookie, char *buf, int size),
              int (*writefn)(void *cookie, const char *buf, int size),
              off_t (*seekfn)(void *cookie, off_t offset, int whence),
              int (*closefn)(void *cookie));

#define fropen(cookie, fn) funopen(cookie, fn, NULL, NULL, NULL)
#define fwopen(cookie, fn) funopen(cookie, NULL, fn, NULL, NULL)

int fpurge(FILE *fp);
__END_DECLS

#endif
#endif
#undef LIBBSD_STDIO_H_SKIP