sdcc/support/regression/tests/scott-pointer1.c

   1 /*
   2   Pointer tests
   3 */
   4 #include <testfwk.h>
   5
   6 unsigned int aint0 = 0;
   7 unsigned int aint1 = 0;
   8 unsigned char achar0 = 0;
   9 unsigned char achar1 = 0;
  10 unsigned char *acharP = 0;
  11
  12 void
  13 f1 (unsigned char *ucP)
  14 {
  15
  16   if (ucP == 0)
  17     {
  18       ASSERT(0);
  19       return;
  20     }
  21
  22   ASSERT (!(*ucP));
  23 }
  24
  25 void
  26 f2 (unsigned int *uiP)
  27 {
  28
  29   if (uiP == 0)
  30     {
  31       ASSERT(0);
  32       return;
  33     }
  34
  35   ASSERT (!(*uiP));
  36
  37 }
  38
  39 unsigned char *
  40 f3 (void)
  41 {
  42
  43   return &achar0;
  44 }
  45
  46 void
  47 testPointer1 (void)
  48 {
  49   f1 (&achar0);
  50   f2 (&aint0);
  51
  52   acharP = f3 ();
  53   ASSERT (!((acharP == 0) || (*acharP)));
  54 }