memcheck/tests/undef_malloc_args.c

   1 #include <stdlib.h>
   2 //#include <malloc.h>
   3 #include "../memcheck.h"
   4 int main (int argc, char*argv[])
   5 {
   6    size_t def_size = 1<<20;
   7    char *p;
   8    char *new_p;
   9
  10    if (argc > 10000) def_size = def_size * 2;
  11
  12    {
  13       size_t size = def_size;
  14       (void) VALGRIND_MAKE_MEM_UNDEFINED(&size, sizeof(size));
  15       p = malloc(size);
  16    }
  17
  18    (void) VALGRIND_MAKE_MEM_UNDEFINED(&p, sizeof(p));
  19    new_p = realloc(p, def_size);
  20
  21    (void) VALGRIND_MAKE_MEM_UNDEFINED(&new_p, sizeof(new_p));
  22    new_p = realloc(new_p, def_size);
  23
  24    (void) VALGRIND_MAKE_MEM_UNDEFINED(&new_p, sizeof(new_p));
  25    free (new_p);
  26
  27    {
  28       size_t nmemb = 1;
  29       (void) VALGRIND_MAKE_MEM_UNDEFINED(&nmemb, sizeof(nmemb));
  30       new_p = calloc(nmemb, def_size);
  31       free (new_p);
  32    }
  33 #if 0
  34    {
  35       size_t alignment = 1;
  36       (void) VALGRIND_MAKE_MEM_UNDEFINED(&alignment, sizeof(alignment));
  37       new_p = memalign(alignment, def_size);
  38       free(new_p);
  39    }
  40
  41    {
  42       size_t nmemb = 16;
  43       size_t size = def_size;
  44       (void) VALGRIND_MAKE_MEM_UNDEFINED(&size, sizeof(size));
  45       new_p = memalign(nmemb, size);
  46       free(new_p);
  47    }
  48
  49    {
  50       size_t size = def_size;
  51       (void) VALGRIND_MAKE_MEM_UNDEFINED(&size, sizeof(size));
  52       new_p = valloc(size);
  53       free (new_p);
  54    }
  55 #endif
  56    return 0;
  57 }