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#ifndef lint
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static const char RCSid[] = "$Id: ealloc.c,v 2.10 2022/01/15 02:00:21 greg Exp $";
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#endif
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/*
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* ealloc.c - memory routines which call quit on error.
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*/
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#include "copyright.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "rterror.h"
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#include "rtmisc.h"
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void * /* return pointer to n uninitialized bytes */
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emalloc(size_t n)
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{
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void *cp;
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if (n == 0)
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return(NULL);
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if ((cp = malloc(n)) != NULL)
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return(cp);
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eputs("Out of memory in emalloc\n");
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quit(1);
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return NULL; /* pro forma return */
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}
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void * /* return pointer to initialized memory */
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ecalloc(size_t ne, size_t es)
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{
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void *cp;
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if (!ne | !es)
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return(NULL);
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if ((cp = calloc(ne, es)) != NULL)
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return(cp);
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eputs("Out of memory in ecalloc\n");
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quit(1);
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return(NULL); /* pro forma return */
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}
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void * /* reallocate cp to size n */
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erealloc(void *cp, size_t n)
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{
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if (n == 0) {
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if (cp != NULL)
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free(cp);
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return(NULL);
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}
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if (cp == NULL)
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cp = malloc(n);
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else
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cp = realloc(cp, n);
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if (cp != NULL)
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return(cp);
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eputs("Out of memory in erealloc\n");
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quit(1);
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return NULL; /* pro forma return */
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}
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void /* free memory allocated by above */
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efree(void *cp)
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{
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if (cp)
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free(cp);
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}
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