src/meta/ealloc.c

#ifndef lint
static const char       RCSid[] = "$Id$";
#endif
/*
 *  ealloc.c - memory routines which call quit on error.
 */


#include  <stdio.h>
#include  <stdlib.h>


char *
emalloc(n)                      /* return pointer to n uninitialized bytes */
unsigned  n;
{
        register char  *cp;
        
        if (n == 0)
                return(NULL);

        if ((cp = malloc(n)) != NULL)
                return(cp);

        eputs("Out of memory in emalloc\n");
        quit(1);
}


char *
ecalloc(ne, es)                 /* return pointer to initialized memory */
register unsigned  ne;
unsigned  es;
{
        register char  *cp;
        
        ne *= es;
        if (ne == 0)
                return(NULL);

        if ((cp = malloc(ne)) == NULL) {
                eputs("Out of memory in ecalloc\n");
                quit(1);
        }
        cp += ne;
        while (ne--)
                *--cp = 0;
        return(cp);
}


char *
erealloc(cp, n)                 /* reallocate cp to size n */
register char  *cp;
unsigned  n;
{
        if (n == 0) {
                if (cp != NULL)
                        free(cp);
                return(NULL);
        }

        if (cp == NULL)
                cp = malloc(n);
        else 
                cp = realloc((void *)cp, n);

        if (cp != NULL)
                return(cp);

        eputs("Out of memory in erealloc\n");
        quit(1);
}


efree(cp)                       /* free memory allocated by above */
char  *cp;
{
        free((void *)cp);
}
Revision:	1.2
Committed:	Wed Apr 23 00:52:34 2003 UTC (22 years, 6 months ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad3R6P1, rad3R6
Changes since 1.1:	+3 -4 lines
Log Message:	Added (void *) cast to realloc calls
#	User	Rev	Content
1	greg	1.1	#ifndef lint
2			static const char RCSid[] = "$Id$";
3			#endif
4			/*
5			* ealloc.c - memory routines which call quit on error.
6			*/
7
8
9			#include <stdio.h>
10	greg	1.2	#include <stdlib.h>
11	greg	1.1
12
13
14			char *
15			emalloc(n) /* return pointer to n uninitialized bytes */
16			unsigned n;
17			{
18			register char *cp;
19
20			if (n == 0)
21			return(NULL);
22
23			if ((cp = malloc(n)) != NULL)
24			return(cp);
25
26			eputs("Out of memory in emalloc\n");
27			quit(1);
28			}
29
30
31			char *
32			ecalloc(ne, es) /* return pointer to initialized memory */
33			register unsigned ne;
34			unsigned es;
35			{
36			register char *cp;
37
38			ne *= es;
39			if (ne == 0)
40			return(NULL);
41
42			if ((cp = malloc(ne)) == NULL) {
43			eputs("Out of memory in ecalloc\n");
44			quit(1);
45			}
46			cp += ne;
47			while (ne--)
48			*--cp = 0;
49			return(cp);
50			}
51
52
53			char *
54			erealloc(cp, n) /* reallocate cp to size n */
55			register char *cp;
56			unsigned n;
57			{
58			if (n == 0) {
59			if (cp != NULL)
60			free(cp);
61			return(NULL);
62			}
63
64			if (cp == NULL)
65			cp = malloc(n);
66			else
67	greg	1.2	cp = realloc((void *)cp, n);
68	greg	1.1
69			if (cp != NULL)
70			return(cp);
71
72			eputs("Out of memory in erealloc\n");
73			quit(1);
74			}
75
76
77			efree(cp) /* free memory allocated by above */
78			char *cp;
79			{
80	greg	1.2	free((void *)cp);
81	greg	1.1	}