contrib/cygtermd/malloc.c

   1 /*
   2  * malloc.c: implementation of malloc.h
   3  */
   4
   5 #include <stdlib.h>
   6 #include <string.h>
   7
   8 #include "malloc.h"
   9
  10 extern void fatal(const char *, ...);
  11
  12 void *smalloc(size_t size) {
  13     void *p;
  14     p = malloc(size);
  15     if (!p) {
  16         fatal("out of memory");
  17     }
  18     return p;
  19 }
  20
  21 void sfree(void *p) {
  22     if (p) {
  23         free(p);
  24     }
  25 }
  26
  27 void *srealloc(void *p, size_t size) {
  28     void *q;
  29     if (p) {
  30         q = realloc(p, size);
  31     } else {
  32         q = malloc(size);
  33     }
  34     if (!q)
  35         fatal("out of memory");
  36     return q;
  37 }
  38
  39 char *dupstr(const char *s) {
  40     char *r = smalloc(1+strlen(s));
  41     strcpy(r,s);
  42     return r;
  43 }