i386/MIT/course/src/git.lab/user/testmalloc.c

   1 #include <inc/lib.h>
   2
   3 void
   4 umain(int argc, char **argv)
   5 {
   6         char *buf;
   7         int n;
   8         void *v;
   9
  10         while (1) {
  11                 buf = readline("> ");
  12                 if (buf == 0)
  13                         exit();
  14                 if (memcmp(buf, "free ", 5) == 0) {
  15                         v = (void*) strtol(buf + 5, 0, 0);
  16                         free(v);
  17                 } else if (memcmp(buf, "malloc ", 7) == 0) {
  18                         n = strtol(buf + 7, 0, 0);
  19                         v = malloc(n);
  20                         printf("\t0x%x\n", (uintptr_t) v);
  21                 } else
  22                         printf("?unknown command\n");
  23         }
  24 }