scripts/test_setenv_leak.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 int main(int argc, char **argv)
   5 {
   6         char buf[256];
   7
   8         int i = argv[1] ? atoi(argv[1]) : 999999;
   9         while (--i > 0) {
  10                 sprintf(buf, "%d", i);
  11                 setenv("VAR", buf, 1);
  12         }
  13         printf("Check size of [heap] mapping:\n");
  14         freopen("/proc/self/maps", "r", stdin);
  15         while (fgets(buf, sizeof(buf), stdin))
  16                 fputs(buf, stdout);
  17         return 0;
  18 }