/* xmalloc.h -- Allocation package that calls fatal() when out of memory
 * $Id: xmalloc.h,v 1.3 2000/12/08 03:36:55 jackson Exp $
 *
 * Copyright (c) 1998-2000 Carnegie Mellon University.  All rights reserved.
 *
 * 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 "Carnegie Mellon University" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For permission or any other legal
 *    details, please contact  
 *      Office of Technology Transfer
 *      Carnegie Mellon University
 *      5000 Forbes Avenue
 *      Pittsburgh, PA  15213-3890
 *      (412) 268-4387, fax: (412) 268-7395
 *      tech-transfer@andrew.cmu.edu
 *
 * 4. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by Computing Services
 *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
 *
 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#ifndef INCLUDED_XMALLOC_H
#define INCLUDED_XMALLOC_H

/* for size_t */
#include <stdio.h>

#ifndef __GNUC__
/* can't use attributes... */
#define __attribute__(foo)
#define __inline__
#endif

extern void *xmalloc (unsigned size);
extern void *xzmalloc (unsigned size);
extern void *xrealloc (void *ptr, unsigned size);
extern char *xstrdup (const char *str);
extern char *xstrndup (const char *str, unsigned len);
extern void *fs_get (unsigned size);
extern void fs_give (void **ptr);

/* handy string manipulation functions */
#ifndef HAVE_STRLCPY
extern size_t strlcpy(char *dst, const char *src, size_t len);
#endif
#ifndef HAVE_STRLCAT
extern size_t strlcat(char *dst, const char *src, size_t len);
#endif

/* Functions using xmalloc.h must provide a function called fatal() conforming
   to the following: */
extern void fatal(const char *fatal_message, int fatal_code)
   __attribute__ ((noreturn));

#endif /* INCLUDED_XMALLOC_H */
