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   more_code ();
 102
 103   return 0;
 104
 105 }
 106
 107 void dummy()
 108 {
 109
 110
 111   v_char = 0;
 112   v_signed_char = 1;
 113   v_unsigned_char = 2;
 114
 115   v_short = 3;
 116   v_signed_short = 4;
 117   v_unsigned_short = 5;
 118
 119   v_int = 6;
 120   v_signed_int = 7;
 121   v_unsigned_int = 8;
 122
 123   v_long = 9;
 124   v_signed_long = 10;
 125   v_unsigned_long = 11;
 126
 127   v_float = 100.0;
 128   v_double = 200.0;
 129
 130
 131
 132   v_char_pointer = &v_char;
 133   v_signed_char_pointer = &v_signed_char;
 134   v_unsigned_char_pointer = &v_unsigned_char;
 135
 136   v_short_pointer = &v_short;
 137   v_signed_short_pointer = &v_signed_short;
 138   v_unsigned_short_pointer = &v_unsigned_short;
 139
 140   v_int_pointer = &v_int;
 141   v_signed_int_pointer = &v_signed_int;
 142   v_unsigned_int_pointer = &v_unsigned_int;
 143
 144   v_long_pointer = &v_long;
 145   v_signed_long_pointer = &v_signed_long;
 146   v_unsigned_long_pointer = &v_unsigned_long;
 147
 148   v_float_pointer = &v_float;
 149   v_double_pointer = &v_double;
 150
 151   ptr_to_ptr_to_float = &v_float_pointer;
 152
 153
 154   v_char_array[0] = v_char;
 155   v_signed_char_array[0] = v_signed_char;
 156   v_unsigned_char_array[0] = v_unsigned_char;
 157
 158   v_short_array[0] = v_short;
 159   v_signed_short_array[0] = v_signed_short;
 160   v_unsigned_short_array[0] = v_unsigned_short;
 161
 162   v_int_array[0] = v_int;
 163   v_int_array[1] = v_int * 3;
 164
 165   v_signed_int_array[0] = v_signed_int;
 166   v_unsigned_int_array[0] = v_unsigned_int;
 167
 168   v_long_array[0] = v_long;
 169   v_signed_long_array[0] = v_signed_long;
 170   v_unsigned_long_array[0] = v_unsigned_long;
 171
 172   v_float_array[0] = v_float;
 173   v_double_array[0] = v_double;
 174
 175 }
 176
 177 void marker1 ()
 178 {
 179 }
 180
 181 int more_code()
 182 {
 183     char C, *pC, **ppC, ***pppC, ****ppppC, *****pppppC, ******ppppppC;
 184     unsigned char UC, *pUC;
 185     short S, *pS;
 186     unsigned short US, *pUS;
 187     int I, *pI;
 188     unsigned int UI, *pUI;
 189     long L, *pL;
 190     unsigned long UL, *pUL;
 191     float F, *pF;
 192     double D, *pD;
 193
 194     C = 'A';
 195     UC = 21;
 196     S = -14;
 197     US = 7;
 198     I = 102;
 199     UI = 1002;
 200     L = -234;
 201     UL = 234;
 202     F = 1.25E10;
 203     D = -1.375E-123;
 204     pC = &C;
 205     ppC = &pC;
 206     pppC = &ppC;
 207     ppppC = &pppC;
 208     pppppC = &ppppC;
 209     ppppppC = &pppppC;
 210     pUC = &UC;
 211     pS = &S;
 212     pUS = &US;
 213     pI = &I;
 214     pUI = &UI;
 215     pL = &L;
 216     pUL = &UL;
 217     pF = &F;
 218     pD = &D;
 219
 220     marker1();
 221     return 0;
 222 }