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     int more_code();
  78
  79     /* Ensure that malloc is a pointer type; avoid use of "void" and any include files. */
  80     /* extern char *malloc();*/
  81
  82     /*  void *malloc(size_t);*/
  83
  84
  85
  86 #ifdef usestubs
  87   set_debug_traps();
  88   breakpoint();
  89 #endif
  90   dummy();
  91 /*  v_int_pointer2 = &v_int_pointer;
  92   v_unsigned_int_pointer = &v_int;
  93
  94   y = (v_unsigned_int_pointer == v_double_pointer);
  95
  96   x = v_unsigned_int_pointer * v_double_pointer;
  97
  98   v_unsigned_int_pointer = v_double_pointer;
  99
 100   v_unsigned_int_pointer = v_unsigned_int;*/
 101
 102   more_code ();
 103
 104   return 0;
 105
 106 }
 107
 108 void dummy()
 109 {
 110
 111
 112   v_char = 0;
 113   v_signed_char = 1;
 114   v_unsigned_char = 2;
 115
 116   v_short = 3;
 117   v_signed_short = 4;
 118   v_unsigned_short = 5;
 119
 120   v_int = 6;
 121   v_signed_int = 7;
 122   v_unsigned_int = 8;
 123
 124   v_long = 9;
 125   v_signed_long = 10;
 126   v_unsigned_long = 11;
 127
 128   v_float = 100.0;
 129   v_double = 200.0;
 130
 131
 132
 133   v_char_pointer = &v_char;
 134   v_signed_char_pointer = &v_signed_char;
 135   v_unsigned_char_pointer = &v_unsigned_char;
 136
 137   v_short_pointer = &v_short;
 138   v_signed_short_pointer = &v_signed_short;
 139   v_unsigned_short_pointer = &v_unsigned_short;
 140
 141   v_int_pointer = &v_int;
 142   v_signed_int_pointer = &v_signed_int;
 143   v_unsigned_int_pointer = &v_unsigned_int;
 144
 145   v_long_pointer = &v_long;
 146   v_signed_long_pointer = &v_signed_long;
 147   v_unsigned_long_pointer = &v_unsigned_long;
 148
 149   v_float_pointer = &v_float;
 150   v_double_pointer = &v_double;
 151
 152   ptr_to_ptr_to_float = &v_float_pointer;
 153
 154
 155   v_char_array[0] = v_char;
 156   v_signed_char_array[0] = v_signed_char;
 157   v_unsigned_char_array[0] = v_unsigned_char;
 158
 159   v_short_array[0] = v_short;
 160   v_signed_short_array[0] = v_signed_short;
 161   v_unsigned_short_array[0] = v_unsigned_short;
 162
 163   v_int_array[0] = v_int;
 164   v_int_array[1] = v_int * 3;
 165
 166   v_signed_int_array[0] = v_signed_int;
 167   v_unsigned_int_array[0] = v_unsigned_int;
 168
 169   v_long_array[0] = v_long;
 170   v_signed_long_array[0] = v_signed_long;
 171   v_unsigned_long_array[0] = v_unsigned_long;
 172
 173   v_float_array[0] = v_float;
 174   v_double_array[0] = v_double;
 175
 176 }
 177
 178 void marker1 ()
 179 {
 180 }
 181
 182 int more_code()
 183 {
 184     char C, *pC, **ppC, ***pppC, ****ppppC, *****pppppC, ******ppppppC;
 185     unsigned char UC, *pUC;
 186     short S, *pS;
 187     unsigned short US, *pUS;
 188     int I, *pI;
 189     unsigned int UI, *pUI;
 190     long L, *pL;
 191     unsigned long UL, *pUL;
 192     float F, *pF;
 193     double D, *pD;
 194
 195     C = 'A';
 196     UC = 21;
 197     S = -14;
 198     US = 7;
 199     I = 102;
 200     UI = 1002;
 201     L = -234;
 202     UL = 234;
 203     F = 1.25E10;
 204     D = -1.375E-123;
 205     pC = &C;
 206     ppC = &pC;
 207     pppC = &ppC;
 208     ppppC = &pppC;
 209     pppppC = &ppppC;
 210     ppppppC = &pppppC;
 211     pUC = &UC;
 212     pS = &S;
 213     pUS = &US;
 214     pI = &I;
 215     pUI = &UI;
 216     pL = &L;
 217     pUL = &UL;
 218     pF = &F;
 219     pD = &D;
 220
 221     marker1();
 222     return 0;
 223 }