43 lines
1.2 KiB
C
Executable File
43 lines
1.2 KiB
C
Executable File
/* ALLOC.C - Routine to allocate memory and complain if it doesn't work. */
|
|
|
|
/* Copyright (c) 1995-2012 by Radford M. Neal.
|
|
*
|
|
* Permission is granted for anyone to copy, use, modify, and distribute
|
|
* these programs and accompanying documents for any purpose, provided
|
|
* this copyright notice is retained and prominently displayed, and note
|
|
* is made of any changes made to these programs. These programs and
|
|
* documents are distributed without any warranty, express or implied.
|
|
* As the programs were written for research purposes only, they have not
|
|
* been tested to the degree that would be advisable in any important
|
|
* application. All use of these programs is entirely at the user's own
|
|
* risk.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#include "alloc.h"
|
|
|
|
|
|
/* ALLOCATE SPACE AND CHECK FOR ERROR. Calls 'calloc' to allocate space,
|
|
and then displays an error message and exits if the space couldn't be
|
|
found. */
|
|
|
|
void *chk_alloc
|
|
( unsigned n, /* Number of elements */
|
|
unsigned size /* Size of each element */
|
|
)
|
|
{
|
|
void *p;
|
|
|
|
p = calloc(n,size);
|
|
|
|
if (p==0)
|
|
{ fprintf(stderr,"Ran out of memory (while trying to allocate %d bytes)\n",
|
|
n*size);
|
|
exit(1);
|
|
}
|
|
|
|
return p;
|
|
}
|