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/* xmalloc.c -- safe versions of malloc and realloc */
/* This file is part of GNU Info, a program for reading online documentation
stored in Info format.
This file has appeared in prior works by the Free Software Foundation;
thus it carries copyright dates from 1988 through 1993.
Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993 Free Software
Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Written by Brian Fox (bfox@ai.mit.edu). */
#if !defined (ALREADY_HAVE_XMALLOC)
#include <stdio.h>
#include <sys/types.h>
extern void *malloc (), *realloc ();
static void memory_error_and_abort ();
/* **************************************************************** */
/* */
/* Memory Allocation and Deallocation. */
/* */
/* **************************************************************** */
/* Return a pointer to free()able block of memory large enough
to hold BYTES number of bytes. If the memory cannot be allocated,
print an error message and abort. */
void *
xmalloc (bytes)
int bytes;
{
void *temp = malloc (bytes);
if (!temp)
memory_error_and_abort ("xmalloc");
return (temp);
}
void *
xrealloc (pointer, bytes)
void *pointer;
int bytes;
{
void *temp;
if (!pointer)
temp = malloc (bytes);
else
temp = realloc (pointer, bytes);
if (!temp)
memory_error_and_abort ("xrealloc");
return (temp);
}
static void
memory_error_and_abort (fname)
char *fname;
{
fprintf (stderr, "%s: Out of virtual memory!\n", fname);
abort ();
}
#endif /* !ALREADY_HAVE_XMALLOC */
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