xmalloc.h

   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 #if !defined(__bounded__)
  23 #define __bounded__(x, y, z)
  24 #endif
  25
  26 void    *xmalloc(size_t);
  27 void    *xcalloc(size_t, size_t);
  28 void    *xrealloc(void *, size_t);
  29 void    *xreallocarray(void *, size_t, size_t);
  30 void    *xrecallocarray(void *, size_t, size_t, size_t);
  31 char    *xstrdup(const char *);
  32 char    *xstrndup(const char *, size_t);
  33 int      xasprintf(char **, const char *, ...)
  34                 __attribute__((__format__ (printf, 2, 3)))
  35                 __attribute__((__nonnull__ (2)));
  36 int      xvasprintf(char **, const char *, va_list)
  37                 __attribute__((__format__ (printf, 2, 0)))
  38                 __attribute__((__nonnull__ (2)));
  39 int      xsnprintf(char *, size_t, const char *, ...)
  40                 __attribute__((__format__ (printf, 3, 4)))
  41                 __attribute__((__nonnull__ (3)))
  42                 __attribute__((__bounded__ (__string__, 1, 2)));
  43 int      xvsnprintf(char *, size_t, const char *, va_list)
  44                 __attribute__((__format__ (printf, 3, 0)))
  45                 __attribute__((__nonnull__ (3)))
  46                 __attribute__((__bounded__ (__string__, 1, 2)));
  47
  48 #endif  /* XMALLOC_H */