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/*
* malloc.c: implementation of malloc.h
*/
#include <stdlib.h>
#include <string.h>
#include "malloc.h"
extern void fatal(const char *, ...);
void *smalloc(size_t size) {
void *p;
p = malloc(size);
if (!p) {
fatal("out of memory");
}
return p;
}
void sfree(void *p) {
if (p) {
free(p);
}
}
void *srealloc(void *p, size_t size) {
void *q;
if (p) {
q = realloc(p, size);
} else {
q = malloc(size);
}
if (!q)
fatal("out of memory");
return q;
}
char *dupstr(const char *s) {
char *r = smalloc(1+strlen(s));
strcpy(r,s);
return r;
}
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