gcc/testsuite/c-c++-common/Wcast-qual-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wcast-qual" } */
   3
   4 void
   5 f1 (void *bar)
   6 {
   7   const void *p1 = (const void *) bar;
   8   const char *p2 = (const char *) bar;
   9   const void **p3 = (const void **) bar;
  10   const char **p4 = (const char **) bar;
  11   const void * const *p5 = (const void * const *) bar;
  12   const char * const *p6 = (const char * const *) bar;
  13   void * const *p7 = (void * const *) bar;
  14   char * const *p8 = (char * const *) bar;
  15   const void ***p9 = (const void ***) bar;
  16   const char ***p10 = (const char ***) bar;
  17   void * const **p11 = (void * const **) bar;
  18   char * const **p12 = (char * const **) bar;
  19   void ** const *p13 = (void ** const *) bar;
  20   char ** const *p14 = (char ** const *) bar;
  21   const void * const **p15 = (const void * const **) bar;
  22   const char * const **p16 = (const char * const **) bar;
  23   const void ** const *p17 = (const void ** const *) bar;
  24   const char ** const *p18 = (const char ** const *) bar;
  25   void * const * const * p19 = (void * const * const *) bar;
  26   char * const * const * p20 = (char * const * const *) bar;
  27   const void * const * const *p21 = (const void * const * const *) bar;
  28   const char * const * const *p22 = (const char * const * const *) bar;
  29 }
  30
  31 void
  32 f2 (void **bar)
  33 {
  34   const void *p1 = (const void *) bar;
  35   const char *p2 = (const char *) bar;
  36   const void **p3 = (const void **) bar; /* { dg-warning "cast" } */
  37   const char **p4 = (const char **) bar;
  38   const void * const *p5 = (const void * const *) bar;
  39   const char * const *p6 = (const char * const *) bar;
  40   void * const *p7 = (void * const *) bar;
  41   char * const *p8 = (char * const *) bar;
  42   const void ***p9 = (const void ***) bar;
  43   const char ***p10 = (const char ***) bar;
  44   void * const **p11 = (void * const **) bar;
  45   char * const **p12 = (char * const **) bar;
  46   void ** const *p13 = (void ** const *) bar;
  47   char ** const *p14 = (char ** const *) bar;
  48   const void * const **p15 = (const void * const **) bar;
  49   const char * const **p16 = (const char * const **) bar;
  50   const void ** const *p17 = (const void ** const *) bar;
  51   const char ** const *p18 = (const char ** const *) bar;
  52   void * const * const * p19 = (void * const * const *) bar;
  53   char * const * const * p20 = (char * const * const *) bar;
  54   const void * const * const *p21 = (const void * const * const *) bar;
  55   const char * const * const *p22 = (const char * const * const *) bar;
  56 }
  57
  58 void
  59 f3 (void ***bar)
  60 {
  61   const void *p1 = (const void *) bar;
  62   const char *p2 = (const char *) bar;
  63   const void **p3 = (const void **) bar;
  64   const char **p4 = (const char **) bar;
  65   const void * const *p5 = (const void * const *) bar;
  66   const char * const *p6 = (const char * const *) bar;
  67   void * const *p7 = (void * const *) bar;
  68   char * const *p8 = (char * const *) bar;
  69   const void ***p9 = (const void ***) bar; /* { dg-warning "cast" } */
  70   const char ***p10 = (const char ***) bar;
  71   void * const **p11 = (void * const **) bar; /* { dg-warning "cast" } */
  72   char * const **p12 = (char * const **) bar;
  73   void ** const *p13 = (void ** const *) bar;
  74   char ** const *p14 = (char ** const *) bar;
  75   const void * const **p15 = (const void * const **) bar; /* { dg-warning "cast" } */
  76   const char * const **p16 = (const char * const **) bar;
  77   const void ** const *p17 = (const void ** const *) bar; /* { dg-warning "cast" } */
  78   const char ** const *p18 = (const char ** const *) bar;
  79   void * const * const * p19 = (void * const * const *) bar;
  80   char * const * const * p20 = (char * const * const *) bar;
  81   const void * const * const *p21 = (const void * const * const *) bar;
  82   const char * const * const *p22 = (const char * const * const *) bar;
  83 }
  84
  85 void
  86 f4 (void * const **bar)
  87 {
  88   const void ***p9 = (const void ***) bar; /* { dg-warning "cast" } */
  89   void * const **p11 = (void * const **) bar;
  90   void ** const *p13 = (void ** const *) bar; /* { dg-warning "cast" } */
  91   const void * const **p15 = (const void * const **) bar; /* { dg-warning "cast" } */
  92   const void ** const *p17 = (const void ** const *) bar; /* { dg-warning "cast" } */
  93   void * const * const * p19 = (void * const * const *) bar;
  94   const void * const * const *p21 = (const void * const * const *) bar;
  95 }
  96
  97 void
  98 f5 (char ***bar)
  99 {
 100   volatile const char ***p9 = (volatile const char ***) bar; /* { dg-warning "cast" } */
 101   volatile char * const **p11 = (volatile char * const **) bar; /* { dg-warning "cast" } */
 102   volatile char ** const *p13 = (volatile char ** const *) bar; /* { dg-warning "cast" } */
 103   volatile const char * const **p15 = (volatile const char * const **) bar; /* { dg-warning "cast" } */
 104   volatile const char ** const *p17 = (volatile const char ** const *) bar; /* { dg-warning "cast" } */
 105   volatile char * const * const * p19 = (volatile char * const * const *) bar;
 106   volatile const char * const * const *p21 = (volatile const char * const * const *) bar;
 107 }
 108
 109 void
 110 f6 (char ***bar)
 111 {
 112   const char * volatile **p9 = (const char * volatile **) bar; /* { dg-warning "cast" } */
 113   char * volatile const **p11 = (char * volatile const **) bar; /* { dg-warning "cast" } */
 114   char * volatile * const *p13 = (char * volatile * const *) bar;
 115   const char * volatile const **p15 = (const char * volatile const **) bar; /* { dg-warning "cast" } */
 116   const char * volatile * const *p17 = (const char * volatile * const *) bar; /* { dg-warning "cast" } */
 117   char * volatile const * const * p19 = (char * volatile const * const *) bar;
 118   const char * volatile const * const *p21 = (const char * volatile const * const *) bar;
 119 }
 120
 121 void
 122 f7 (char ***bar)
 123 {
 124   const char ** volatile *p9 = (const char ** volatile *) bar; /* { dg-warning "cast" } */
 125   char * const * volatile *p11 = (char * const * volatile *) bar; /* { dg-warning "cast" } */
 126   char ** volatile const *p13 = (char ** volatile const *) bar;
 127   const char * const * volatile *p15 = (const char * const * volatile *) bar; /* { dg-warning "cast" } */
 128   const char ** volatile const *p17 = (const char ** volatile const *) bar; /* { dg-warning "cast" } */
 129   char * const * volatile const * p19 = (char * const * volatile const *) bar;
 130   const char * const * volatile const *p21 = (const char * const * volatile const *) bar;
 131 }
 132
 133 typedef int (intfn) (int);
 134 typedef intfn *pintfn;
 135 typedef const intfn *constfn;
 136
 137 void
 138 f8 (constfn ***bar)
 139 {
 140   const constfn *p1 = (const constfn *) bar;
 141   const pintfn *p2 = (const pintfn *) bar;
 142   const constfn **p3 = (const constfn **) bar;
 143   const pintfn **p4 = (const pintfn **) bar;
 144   const constfn * const *p5 = (const constfn * const *) bar;
 145   const pintfn * const *p6 = (const pintfn * const *) bar;
 146   constfn * const *p7 = (constfn * const *) bar;
 147   pintfn * const *p8 = (pintfn * const *) bar;
 148   const constfn ***p9 = (const constfn ***) bar; /* { dg-warning "cast" } */
 149   const pintfn ***p10 = (const pintfn ***) bar; /* { dg-warning "cast" } */
 150   constfn * const **p11 = (constfn * const **) bar; /* { dg-warning "cast" } */
 151   pintfn * const **p12 = (pintfn * const **) bar; /* { dg-warning "cast" } */
 152   constfn ** const *p13 = (constfn ** const *) bar;
 153   pintfn ** const *p14 = (pintfn ** const *) bar;
 154   const constfn * const **p15 = (const constfn * const **) bar; /* { dg-warning "cast" } */
 155   const pintfn * const **p16 = (const pintfn * const **) bar; /* { dg-warning "cast" } */
 156   const constfn ** const *p17 = (const constfn ** const *) bar; /* { dg-warning "cast" } */
 157   const pintfn ** const *p18 = (const pintfn ** const *) bar; /* { dg-warning "cast" } */
 158   constfn * const * const * p19 = (constfn * const * const *) bar;
 159   pintfn * const * const * p20 = (pintfn * const * const *) bar;
 160   const constfn * const * const *p21 = (const constfn * const * const *) bar;
 161   const pintfn * const * const *p22 = (const pintfn * const * const *) bar;
 162 }