sdcc/support/regression/tests/bug3559997.c

   1 /*
   2    bug3559997.c
   3 */
   4
   5 #include <testfwk.h>
   6
   7 #pragma disable_warning 85
   8
   9 typedef struct
  10 {
  11         long   i_size;
  12 } s1_t;
  13
  14 typedef struct {
  15         s1_t s;
  16 } i_t, *ip_t;
  17
  18 typedef struct
  19 {
  20         char *m3;
  21         long m4;
  22 } data_t;
  23
  24 data_t data;
  25
  26 void f1(char *a, char *p, int b)
  27 {
  28 }
  29
  30 char *f2(int a, int b, char c)
  31 {
  32         return(0);
  33 }
  34
  35 int f3(char *p, int c)
  36 {
  37         return(1);
  38 }
  39
  40 void rx(ip_t i)
  41 {
  42         char *bp = 0;
  43         int dev = 0;
  44
  45
  46         bp = f2(dev, 0, 1);
  47         f1(data.m3, bp, 1);
  48         if (f3(bp, 2) < 0)
  49                 return;
  50         if (data.m4 > i->s.i_size)
  51                 i->s.i_size = data.m4;
  52
  53 }
  54
  55 void testBug(void)
  56 {
  57         i_t i;
  58         data.m4 = 0xaa55;
  59         i.s.i_size = 0x55aa;
  60         rx(&i);
  61         ASSERT(i.s.i_size == 0xaa55);
  62 }
  63