File: xmalloc.h

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/* $OpenBSD$ */

/*
 * Author: Tatu Ylonen <ylo@cs.hut.fi>
 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
 *                    All rights reserved
 * Created: Mon Mar 20 22:09:17 1995 ylo
 *
 * Versions of malloc and friends that check their results, and never return
 * failure (they call fatal if they encounter an error).
 *
 * As far as I am concerned, the code I have written for this software
 * can be used freely for any purpose.  Any derived versions of this
 * software must be clearly marked as such, and if the derived work is
 * incompatible with the protocol description in the RFC file, it must be
 * called by a name other than "ssh" or "Secure Shell".
 */

#ifndef XMALLOC_H
#define XMALLOC_H

#if !defined(__bounded__)
# define __bounded__(x, y, z)
#endif

void	*xmalloc(size_t);
void	*xcalloc(size_t, size_t);
void	*xrealloc(void *, size_t);
void	*xreallocarray(void *, size_t, size_t);
char	*xstrdup(const char *);
int	 xasprintf(char **, const char *, ...)
		__attribute__((__format__ (printf, 2, 3)))
		__attribute__((__nonnull__ (2)));
int	 xvasprintf(char **, const char *, va_list)
		__attribute__((__nonnull__ (2)));
int	 xsnprintf(char *, size_t, const char *, ...)
		__attribute__((__format__ (printf, 3, 4)))
		__attribute__((__nonnull__ (3)))
		__attribute__((__bounded__ (__string__, 1, 2)));
int	 xvsnprintf(char *, size_t, const char *, va_list)
		__attribute__((__nonnull__ (3)))
		__attribute__((__bounded__ (__string__, 1, 2)));

#endif	/* XMALLOC_H */