gnu/lib/libregex/test/malloc-test.c

   1 /* $DragonFly: src/gnu/lib/libregex/test/malloc-test.c,v 1.2 2008/06/05 18:01:49 swildner Exp $ */
   2
   3 typedef struct {
   4    unsigned *bits;
   5    unsigned size;
   6 } bits_list_type;
   7
   8 #define BYTEWIDTH  8
   9
  10 #define BITS_BLOCK_SIZE (sizeof (unsigned) * BYTEWIDTH)
  11 #define BITS_BLOCK(position) ((position) / BITS_BLOCK_SIZE)
  12 #define BITS_MASK(position) (1 << ((position) % BITS_BLOCK_SIZE))
  13
  14 static unsigned
  15 init_bits_list (bits_list_ptr)
  16   bits_list_type *bits_list_ptr;
  17 {
  18   bits_list_ptr->bits = NULL;
  19   bits_list_ptr->bits = (unsigned *) malloc (sizeof (unsigned));
  20
  21   if (bits_list_ptr->bits == NULL)
  22     return 0;
  23
  24   bits_list_ptr->bits[0] = (unsigned)0;
  25   bits_list_ptr->size = BITS_BLOCK_SIZE;
  26
  27   return 1;
  28 }
  29
  30
  31 main()
  32 {
  33   bits_list_type dummy;
  34   bits_list_type dummy_1;
  35   bits_list_type dummy_2;
  36   bits_list_type dummy_3;
  37
  38   init_bits_list (&dummy);
  39 printf("init 1\n");
  40   init_bits_list (&dummy_1);
  41 printf("init 2\n");
  42   init_bits_list (&dummy_2);
  43 printf("init 3\n");
  44   init_bits_list (&dummy_3);
  45 printf("init 4\n");
  46 }