memcheck/tests/freebsd/misc.c

   1 /*
   2  * Tests miscellaneous syscalls
   3  *
   4  * uuidgen
   5  * genrandom
   6  */
   7
   8 #include <sys/types.h>
   9 #include <sys/uuid.h>
  10 #include <sys/random.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include "../../../config.h"
  14 #include "../../memcheck.h"
  15
  16 int main(void)
  17 {
  18    struct uuid s;
  19    if (-1 == uuidgen(&s, 1))
  20    {
  21       perror("uuidgen failed:");
  22    }
  23
  24    struct uuid v[10];
  25    if (-1 == uuidgen(v, 10))
  26    {
  27       perror("uuidgen failed:");
  28    }
  29
  30 #if defined(HAVE_GETRANDOM)
  31
  32    char buf[100];
  33    if (-1 == getrandom(buf, 100, GRND_NONBLOCK))
  34    {
  35       perror("getrandom failed:");
  36    }
  37
  38 #endif
  39
  40    // error section
  41    struct uuid* ps = malloc(2*sizeof(struct uuid));
  42    free(ps);
  43    uuidgen(ps, 2);
  44
  45    int badint = 1;;
  46    VALGRIND_MAKE_MEM_UNDEFINED(&badint, sizeof(int));
  47    uuidgen(&s, badint);
  48
  49 #if defined(HAVE_GETRANDOM)
  50
  51    badint = 100;
  52    VALGRIND_MAKE_MEM_UNDEFINED(&badint, sizeof(int));
  53    getrandom(buf, badint, badint);
  54
  55    char* buf2 = malloc(100);
  56    free(buf2);
  57
  58    getrandom(buf2, 100, 0);
  59
  60 #endif
  61
  62 }
  63