freebsd-dev/gnu/usr.bin/gdb/libiberty/xmalloc.c
1995-05-30 05:05:38 +00:00

86 lines
1.9 KiB
C

/* memory allocation routines with error checking.
Copyright 1989, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
Libiberty 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include "ansidecl.h"
#include "libiberty.h"
#include <stdio.h>
#ifdef __STDC__
#include <stddef.h>
#else
#define size_t unsigned long
#endif
/* For systems with larger pointers than ints, these must be declared. */
PTR malloc PARAMS ((size_t));
PTR realloc PARAMS ((PTR, size_t));
/* The program name if set. */
static const char *name = "";
void
xmalloc_set_program_name (s)
const char *s;
{
name = s;
}
PTR
xmalloc (size)
size_t size;
{
PTR newmem;
if (size == 0)
size = 1;
newmem = malloc (size);
if (!newmem)
{
fprintf (stderr, "\n%s%sCan not allocate %lu bytes\n",
name, *name ? ": " : "",
(unsigned long) size);
xexit (1);
}
return (newmem);
}
PTR
xrealloc (oldmem, size)
PTR oldmem;
size_t size;
{
PTR newmem;
if (size == 0)
size = 1;
if (!oldmem)
newmem = malloc (size);
else
newmem = realloc (oldmem, size);
if (!newmem)
{
fprintf (stderr, "\n%s%sCan not reallocate %lu bytes\n",
name, *name ? ": " : "",
(unsigned long) size);
xexit (1);
}
return (newmem);
}