gdb/testsuite/gdb.base/pointers.c

#if !defined (__STDC__) && !defined (_AIX)
#define signed  /**/
#endif

char		v_char;
signed char	v_signed_char;
unsigned char	v_unsigned_char;

short		v_short;
signed short	v_signed_short;
unsigned short	v_unsigned_short;

int		v_int;
signed int	v_signed_int;
unsigned int	v_unsigned_int;

long		v_long;
signed long	v_signed_long;
unsigned long	v_unsigned_long;

float		v_float;
double		v_double;



char		*v_char_pointer;
signed char	*v_signed_char_pointer;
unsigned char	*v_unsigned_char_pointer;

short		*v_short_pointer;
signed short	*v_signed_short_pointer;
unsigned short	*v_unsigned_short_pointer;

int		*v_int_pointer;
int             *v_int_pointer2;
signed int	*v_signed_int_pointer;
unsigned int	*v_unsigned_int_pointer;

long		*v_long_pointer;
signed long	*v_signed_long_pointer;
unsigned long	*v_unsigned_long_pointer;

float		*v_float_pointer;
double		*v_double_pointer;


char		v_char_array[2];
signed char	v_signed_char_array[2];
unsigned char	v_unsigned_char_array[2];

short		v_short_array[2];
signed short	v_signed_short_array[2];
unsigned short	v_unsigned_short_array[2];

int		v_int_array[2];
signed int	v_signed_int_array[2];
unsigned int	v_unsigned_int_array[2];

long		v_long_array[2];
signed long	v_signed_long_array[2];
unsigned long	v_unsigned_long_array[2];

float		v_float_array[2];
double		v_double_array[2];

int matrix[2][3] = { { 0, 1, 2}, {3, 4, 5}};
int (*rptr)[3] = matrix;

float ** ptr_to_ptr_to_float;

int y;

int main ()
{
    void dummy();
    int more_code();
    
    /* Ensure that malloc is a pointer type; avoid use of "void" and any include files. */
    /* extern char *malloc();*/

    /*  void *malloc(size_t);*/
    

    
#ifdef usestubs
  set_debug_traps();
  breakpoint();
#endif
  dummy();
/*  v_int_pointer2 = &v_int_pointer;
  v_unsigned_int_pointer = &v_int;
  
  y = (v_unsigned_int_pointer == v_double_pointer);
  
  x = v_unsigned_int_pointer * v_double_pointer;
  
  v_unsigned_int_pointer = v_double_pointer;
  
  v_unsigned_int_pointer = v_unsigned_int;*/

  more_code ();

  return 0;
  
}

void dummy()
{
    
  
  v_char = 0;
  v_signed_char = 1;
  v_unsigned_char = 2;

  v_short = 3;
  v_signed_short = 4;
  v_unsigned_short = 5;    

  v_int = 6;
  v_signed_int = 7;
  v_unsigned_int = 8;    

  v_long = 9;
  v_signed_long = 10;
  v_unsigned_long = 11;    
  
  v_float = 100.0;
  v_double = 200.0;



  v_char_pointer = &v_char;
  v_signed_char_pointer = &v_signed_char;
  v_unsigned_char_pointer = &v_unsigned_char;

  v_short_pointer = &v_short;
  v_signed_short_pointer = &v_signed_short;
  v_unsigned_short_pointer = &v_unsigned_short;

  v_int_pointer = &v_int;
  v_signed_int_pointer = &v_signed_int;
  v_unsigned_int_pointer = &v_unsigned_int;

  v_long_pointer = &v_long;
  v_signed_long_pointer = &v_signed_long;
  v_unsigned_long_pointer = &v_unsigned_long;

  v_float_pointer = &v_float;
  v_double_pointer = &v_double;

  ptr_to_ptr_to_float = &v_float_pointer;
  
  
  v_char_array[0] = v_char;
  v_signed_char_array[0] = v_signed_char;
  v_unsigned_char_array[0] = v_unsigned_char;

  v_short_array[0] = v_short;
  v_signed_short_array[0] = v_signed_short;
  v_unsigned_short_array[0] = v_unsigned_short;

  v_int_array[0] = v_int;
  v_int_array[1] = v_int * 3;
  
  v_signed_int_array[0] = v_signed_int;
  v_unsigned_int_array[0] = v_unsigned_int;

  v_long_array[0] = v_long;
  v_signed_long_array[0] = v_signed_long;
  v_unsigned_long_array[0] = v_unsigned_long;

  v_float_array[0] = v_float;
  v_double_array[0] = v_double;

}

void marker1 ()
{
}

int more_code()
{
    char C, *pC, **ppC, ***pppC, ****ppppC, *****pppppC, ******ppppppC;
    unsigned char UC, *pUC;
    short S, *pS;
    unsigned short US, *pUS;
    int I, *pI;
    unsigned int UI, *pUI;
    long L, *pL;
    unsigned long UL, *pUL;
    float F, *pF;
    double D, *pD;

    C = 'A';
    UC = 21;
    S = -14;
    US = 7;
    I = 102;
    UI = 1002;
    L = -234;
    UL = 234;
    F = 1.25E10;
    D = -1.375E-123;
    pC = &C;
    ppC = &pC;
    pppC = &ppC;
    ppppC = &pppC;
    pppppC = &ppppC;
    ppppppC = &pppppC;
    pUC = &UC;
    pS = &S;
    pUS = &US;
    pI = &I;
    pUI = &UI;
    pL = &L;
    pUL = &UL;
    pF = &F;
    pD = &D;
    
    marker1();
    return 0;
}