gdb/testsuite/gdb.base/pointers.c

   1
   2 #if !defined (__STDC__) && !defined (_AIX)
   3 #define signed  /**/
   4 #endif
   5
   6 char            v_char;
   7 signed char     v_signed_char;
   8 unsigned char   v_unsigned_char;
   9
  10 short           v_short;
  11 signed short    v_signed_short;
  12 unsigned short  v_unsigned_short;
  13
  14 int             v_int;
  15 signed int      v_signed_int;
  16 unsigned int    v_unsigned_int;
  17
  18 long            v_long;
  19 signed long     v_signed_long;
  20 unsigned long   v_unsigned_long;
  21
  22 float           v_float;
  23 double          v_double;
  24
  25
  26
  27 char            *v_char_pointer;
  28 signed char     *v_signed_char_pointer;
  29 unsigned char   *v_unsigned_char_pointer;
  30
  31 short           *v_short_pointer;
  32 signed short    *v_signed_short_pointer;
  33 unsigned short  *v_unsigned_short_pointer;
  34
  35 int             *v_int_pointer;
  36 int             *v_int_pointer2;
  37 signed int      *v_signed_int_pointer;
  38 unsigned int    *v_unsigned_int_pointer;
  39
  40 long            *v_long_pointer;
  41 signed long     *v_signed_long_pointer;
  42 unsigned long   *v_unsigned_long_pointer;
  43
  44 float           *v_float_pointer;
  45 double          *v_double_pointer;
  46
  47
  48 char            v_char_array[2];
  49 signed char     v_signed_char_array[2];
  50 unsigned char   v_unsigned_char_array[2];
  51
  52 short           v_short_array[2];
  53 signed short    v_signed_short_array[2];
  54 unsigned short  v_unsigned_short_array[2];
  55
  56 int             v_int_array[2];
  57 signed int      v_signed_int_array[2];
  58 unsigned int    v_unsigned_int_array[2];
  59
  60 long            v_long_array[2];
  61 signed long     v_signed_long_array[2];
  62 unsigned long   v_unsigned_long_array[2];
  63
  64 float           v_float_array[2];
  65 double          v_double_array[2];
  66
  67 int matrix[2][3] = { { 0, 1, 2}, {3, 4, 5}};
  68 int (*rptr)[3] = matrix;
  69
  70 float ** ptr_to_ptr_to_float;
  71
  72 int y;
  73
  74 int main ()
  75 {
  76     void dummy();
  77
  78     /* Ensure that malloc is a pointer type; avoid use of "void" and any include files. */
  79     /* extern char *malloc();*/
  80
  81     /*  void *malloc(size_t);*/
  82
  83
  84
  85 #ifdef usestubs
  86   set_debug_traps();
  87   breakpoint();
  88 #endif
  89   dummy();
  90 /*  v_int_pointer2 = &v_int_pointer;
  91   v_unsigned_int_pointer = &v_int;
  92
  93   y = (v_unsigned_int_pointer == v_double_pointer);
  94
  95   x = v_unsigned_int_pointer * v_double_pointer;
  96
  97   v_unsigned_int_pointer = v_double_pointer;
  98
  99   v_unsigned_int_pointer = v_unsigned_int;*/
 100
 101   return 0;
 102
 103 }
 104
 105 void dummy()
 106 {
 107
 108
 109   v_char = 0;
 110   v_signed_char = 1;
 111   v_unsigned_char = 2;
 112
 113   v_short = 3;
 114   v_signed_short = 4;
 115   v_unsigned_short = 5;
 116
 117   v_int = 6;
 118   v_signed_int = 7;
 119   v_unsigned_int = 8;
 120
 121   v_long = 9;
 122   v_signed_long = 10;
 123   v_unsigned_long = 11;
 124
 125   v_float = 100.0;
 126   v_double = 200.0;
 127
 128
 129
 130   v_char_pointer = &v_char;
 131   v_signed_char_pointer = &v_signed_char;
 132   v_unsigned_char_pointer = &v_unsigned_char;
 133
 134   v_short_pointer = &v_short;
 135   v_signed_short_pointer = &v_signed_short;
 136   v_unsigned_short_pointer = &v_unsigned_short;
 137
 138   v_int_pointer = &v_int;
 139   v_signed_int_pointer = &v_signed_int;
 140   v_unsigned_int_pointer = &v_unsigned_int;
 141
 142   v_long_pointer = &v_long;
 143   v_signed_long_pointer = &v_signed_long;
 144   v_unsigned_long_pointer = &v_unsigned_long;
 145
 146   v_float_pointer = &v_float;
 147   v_double_pointer = &v_double;
 148
 149   ptr_to_ptr_to_float = &v_float_pointer;
 150
 151
 152   v_char_array[0] = v_char;
 153   v_signed_char_array[0] = v_signed_char;
 154   v_unsigned_char_array[0] = v_unsigned_char;
 155
 156   v_short_array[0] = v_short;
 157   v_signed_short_array[0] = v_signed_short;
 158   v_unsigned_short_array[0] = v_unsigned_short;
 159
 160   v_int_array[0] = v_int;
 161   v_int_array[1] = v_int * 3;
 162
 163   v_signed_int_array[0] = v_signed_int;
 164   v_unsigned_int_array[0] = v_unsigned_int;
 165
 166   v_long_array[0] = v_long;
 167   v_signed_long_array[0] = v_signed_long;
 168   v_unsigned_long_array[0] = v_unsigned_long;
 169
 170   v_float_array[0] = v_float;
 171   v_double_array[0] = v_double;
 172
 173 }
 174
 175
 176