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/* -*-Mode: C;-*-
* PRCS - The Project Revision Control System
* Copyright (C) 1994 P. N. Hilfinger
* Copyright (C) 1997 Josh MacDonald
*
* 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
* of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: utils.c 1.6.1.1 Sun, 05 Jan 1997 02:59:04 -0800 jmacd $
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "utils.h"
void *_malloc_(size_t size)
/* As for malloc, but screams if storage exhausted. */
{
char *space = malloc(size);
if (space == NULL) {
(void) fputs("panic: storage exhausted.\n", stderr);
exit(2);
}
return (void *) space;
}
void *_mrealloc_(void *V, int size, int N, int INCR)
/* Assuming V points to a heap-allocated vector of size N*size if */
/* N>0, and INCR > 0, return a pointer (possibly == V) to an area */
/* of storage containing the same data, and an additional */
/* size*INCR bytes at the end. If N is 0, then acts like */
/* _malloc_, and ignores the value of V. */
{
if (N == 0)
V = malloc(size * INCR);
else
V = realloc(V, size * (N+INCR));
if (V == NULL) {
(void) fputs("panic: storage exhausted.\n", stderr);
exit(2);
}
return V;
}
void *_malloc0_(size_t size)
/* As for _malloc_, but zeroes storage. */
{
char *space = calloc(size, 1);
if (space == NULL) {
(void) fputs("panic: storage exhausted.\n", stderr);
exit(2);
}
return (void *) space;
}
void *_mrealloc0_(void *V, int size, int N, int INCR)
/* As for _mrealloc_, but zeroes added storage. */
{
if (N == 0)
V = malloc(size * INCR);
else
V = realloc(V, size * (N+INCR));
if (V == NULL) {
(void) fputs("panic: storage exhausted.\n", stderr);
exit(2);
}
memset((char *) V + N * size, 0, INCR * size);
return V;
}
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