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#ifndef lint
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static const char RCSid[] = "$Id$";
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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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char *
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emalloc(n) /* return pointer to n uninitialized bytes */
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unsigned int n;
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{
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register char *cp;
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if (n == 0)
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return(NULL);
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if ((cp = (char *)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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}
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char *
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ecalloc(ne, es) /* return pointer to initialized memory */
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register unsigned int ne;
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unsigned int es;
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{
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register char *cp;
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ne *= es;
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if (ne == 0)
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return(NULL);
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if ((cp = (char *)malloc(ne)) == NULL) {
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eputs("Out of memory in ecalloc\n");
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quit(1);
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}
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cp += ne;
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while (ne--)
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*--cp = 0;
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return(cp);
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}
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char *
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erealloc(cp, n) /* reallocate cp to size n */
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register char *cp;
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unsigned int n;
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{
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if (n == 0) {
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if (cp != NULL)
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free((void *)cp);
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return(NULL);
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}
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if (cp == NULL)
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cp = (char *)malloc(n);
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else
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cp = (char *)realloc((void *)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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}
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void
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efree(cp) /* free memory allocated by above */
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char *cp;
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{
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free((void *)cp);
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}
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