1 /* $OpenBSD$ */
2 
3 /*
4  * Author: Tatu Ylonen <ylo@cs.hut.fi>
5  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6  *                    All rights reserved
7  * Created: Mon Mar 20 22:09:17 1995 ylo
8  *
9  * Versions of malloc and friends that check their results, and never return
10  * failure (they call fatal if they encounter an error).
11  *
12  * As far as I am concerned, the code I have written for this software
13  * can be used freely for any purpose.  Any derived versions of this
14  * software must be clearly marked as such, and if the derived work is
15  * incompatible with the protocol description in the RFC file, it must be
16  * called by a name other than "ssh" or "Secure Shell".
17  */
18 
19 #ifndef XMALLOC_H
20 #define XMALLOC_H
21 
22 #include <stdarg.h>
23 
24 #if !defined(__bounded__)
25 #define __bounded__(x, y, z)
26 #endif
27 
28 void	*xmalloc(size_t);
29 void	*xcalloc(size_t, size_t);
30 void	*xrealloc(void *, size_t);
31 void	*xreallocarray(void *, size_t, size_t);
32 void	*xrecallocarray(void *, size_t, size_t, size_t);
33 char	*xstrdup(const char *);
34 char	*xstrndup(const char *, size_t);
35 int	 xasprintf(char **, const char *, ...)
36 		__attribute__((__format__ (printf, 2, 3)))
37 		__attribute__((__nonnull__ (2)));
38 int	 xvasprintf(char **, const char *, va_list)
39 		__attribute__((__nonnull__ (2)));
40 int	 xsnprintf(char *, size_t, const char *, ...)
41 		__attribute__((__format__ (printf, 3, 4)))
42 		__attribute__((__nonnull__ (3)))
43 		__attribute__((__bounded__ (__string__, 1, 2)));
44 int	 xvsnprintf(char *, size_t, const char *, va_list)
45 		__attribute__((__nonnull__ (3)))
46 		__attribute__((__bounded__ (__string__, 1, 2)));
47 
48 #endif	/* XMALLOC_H */