sdcc/support/regression/tests/bug-3117729.c

   1 /*
   2         Bug 3117729
   3         For
   4         x = x + state[i] + pKey[mod_16x8(i, iKeyLen)];
   5         an invalid
   6         add     a,(#_x + 0)
   7         was generated.
   8  */
   9
  10
  11 #include <testfwk.h>
  12
  13 #define UCHAR   unsigned char
  14 #define USHORT  unsigned short
  15
  16 #define PCHAR   unsigned char *
  17
  18 #pragma disable_warning 85
  19
  20 UCHAR mod_16x8(USHORT s16, UCHAR i8)
  21 {
  22         return (0);
  23 }
  24
  25 #if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Lack of memory
  26 __xdata UCHAR state[256];
  27 UCHAR x, y;
  28
  29 void swap(PCHAR pa, PCHAR pb)
  30 {
  31 }
  32
  33 void RC4Init(PCHAR pKey, UCHAR iKeyLen)
  34 {
  35         UCHAR i;
  36
  37         i = 0;
  38         do
  39         {
  40                 state[i] = i;
  41                 i ++;
  42         } while (i);
  43
  44         x = 0;
  45         do
  46         {
  47                 x = x + state[i] + pKey[mod_16x8(i, iKeyLen)];
  48                 swap(&state[i], &state[x]);
  49                 i ++;
  50         } while(i);
  51         x = 0;
  52         y = 0;
  53 }
  54 #endif
  55
  56 void
  57 testBug(void)
  58 {
  59         ASSERT(1);
  60 }