gcc/testsuite/gcc.dg/cast-qual-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wcast-qual" } */
   3
   4 /* The files gcc.dg/cast-qual-3.c and g++.dg/warn/Wcast-qual2.c are
   5    duals.  they are intended to show that gcc -Wcast-qual and g++
   6    -Wcast-qual emit warnings in the same cases.  If you change this
   7    file, please also change the other one.  */
   8
   9 void
  10 f1 (void *bar)
  11 {
  12   const void *p1 = (const void *) bar;
  13   const char *p2 = (const char *) bar;
  14   const void **p3 = (const void **) bar;
  15   const char **p4 = (const char **) bar;
  16   const void * const *p5 = (const void * const *) bar;
  17   const char * const *p6 = (const char * const *) bar;
  18   void * const *p7 = (void * const *) bar;
  19   char * const *p8 = (char * const *) bar;
  20   const void ***p9 = (const void ***) bar;
  21   const char ***p10 = (const char ***) bar;
  22   void * const **p11 = (void * const **) bar;
  23   char * const **p12 = (char * const **) bar;
  24   void ** const *p13 = (void ** const *) bar;
  25   char ** const *p14 = (char ** const *) bar;
  26   const void * const **p15 = (const void * const **) bar;
  27   const char * const **p16 = (const char * const **) bar;
  28   const void ** const *p17 = (const void ** const *) bar;
  29   const char ** const *p18 = (const char ** const *) bar;
  30   void * const * const * p19 = (void * const * const *) bar;
  31   char * const * const * p20 = (char * const * const *) bar;
  32   const void * const * const *p21 = (const void * const * const *) bar;
  33   const char * const * const *p22 = (const char * const * const *) bar;
  34 }
  35
  36 void
  37 f2 (void **bar)
  38 {
  39   const void *p1 = (const void *) bar;
  40   const char *p2 = (const char *) bar;
  41   const void **p3 = (const void **) bar; /* { dg-warning "cast" } */
  42   const char **p4 = (const char **) bar;
  43   const void * const *p5 = (const void * const *) bar;
  44   const char * const *p6 = (const char * const *) bar;
  45   void * const *p7 = (void * const *) bar;
  46   char * const *p8 = (char * const *) bar;
  47   const void ***p9 = (const void ***) bar;
  48   const char ***p10 = (const char ***) bar;
  49   void * const **p11 = (void * const **) bar;
  50   char * const **p12 = (char * const **) bar;
  51   void ** const *p13 = (void ** const *) bar;
  52   char ** const *p14 = (char ** const *) bar;
  53   const void * const **p15 = (const void * const **) bar;
  54   const char * const **p16 = (const char * const **) bar;
  55   const void ** const *p17 = (const void ** const *) bar;
  56   const char ** const *p18 = (const char ** const *) bar;
  57   void * const * const * p19 = (void * const * const *) bar;
  58   char * const * const * p20 = (char * const * const *) bar;
  59   const void * const * const *p21 = (const void * const * const *) bar;
  60   const char * const * const *p22 = (const char * const * const *) bar;
  61 }
  62
  63 void
  64 f3 (void ***bar)
  65 {
  66   const void *p1 = (const void *) bar;
  67   const char *p2 = (const char *) bar;
  68   const void **p3 = (const void **) bar;
  69   const char **p4 = (const char **) bar;
  70   const void * const *p5 = (const void * const *) bar;
  71   const char * const *p6 = (const char * const *) bar;
  72   void * const *p7 = (void * const *) bar;
  73   char * const *p8 = (char * const *) bar;
  74   const void ***p9 = (const void ***) bar; /* { dg-warning "cast" } */
  75   const char ***p10 = (const char ***) bar;
  76   void * const **p11 = (void * const **) bar; /* { dg-warning "cast" } */
  77   char * const **p12 = (char * const **) bar;
  78   void ** const *p13 = (void ** const *) bar;
  79   char ** const *p14 = (char ** const *) bar;
  80   const void * const **p15 = (const void * const **) bar; /* { dg-warning "cast" } */
  81   const char * const **p16 = (const char * const **) bar;
  82   const void ** const *p17 = (const void ** const *) bar; /* { dg-warning "cast" } */
  83   const char ** const *p18 = (const char ** const *) bar;
  84   void * const * const * p19 = (void * const * const *) bar;
  85   char * const * const * p20 = (char * const * const *) bar;
  86   const void * const * const *p21 = (const void * const * const *) bar;
  87   const char * const * const *p22 = (const char * const * const *) bar;
  88 }
  89
  90 void
  91 f4 (void * const **bar)
  92 {
  93   const void ***p9 = (const void ***) bar; /* { dg-warning "cast" } */
  94   void * const **p11 = (void * const **) bar;
  95   void ** const *p13 = (void ** const *) bar; /* { dg-warning "cast" } */
  96   const void * const **p15 = (const void * const **) bar; /* { dg-warning "cast" } */
  97   const void ** const *p17 = (const void ** const *) bar; /* { dg-warning "cast" } */
  98   void * const * const * p19 = (void * const * const *) bar;
  99   const void * const * const *p21 = (const void * const * const *) bar;
 100 }
 101
 102 void
 103 f5 (char ***bar)
 104 {
 105   volatile const char ***p9 = (volatile const char ***) bar; /* { dg-warning "cast" } */
 106   volatile char * const **p11 = (volatile char * const **) bar; /* { dg-warning "cast" } */
 107   volatile char ** const *p13 = (volatile char ** const *) bar; /* { dg-warning "cast" } */
 108   volatile const char * const **p15 = (volatile const char * const **) bar; /* { dg-warning "cast" } */
 109   volatile const char ** const *p17 = (volatile const char ** const *) bar; /* { dg-warning "cast" } */
 110   volatile char * const * const * p19 = (volatile char * const * const *) bar;
 111   volatile const char * const * const *p21 = (volatile const char * const * const *) bar;
 112 }
 113
 114 void
 115 f6 (char ***bar)
 116 {
 117   const char * volatile **p9 = (const char * volatile **) bar; /* { dg-warning "cast" } */
 118   char * volatile const **p11 = (char * volatile const **) bar; /* { dg-warning "cast" } */
 119   char * volatile * const *p13 = (char * volatile * const *) bar;
 120   const char * volatile const **p15 = (const char * volatile const **) bar; /* { dg-warning "cast" } */
 121   const char * volatile * const *p17 = (const char * volatile * const *) bar; /* { dg-warning "cast" } */
 122   char * volatile const * const * p19 = (char * volatile const * const *) bar;
 123   const char * volatile const * const *p21 = (const char * volatile const * const *) bar;
 124 }
 125
 126 void
 127 f7 (char ***bar)
 128 {
 129   const char ** volatile *p9 = (const char ** volatile *) bar; /* { dg-warning "cast" } */
 130   char * const * volatile *p11 = (char * const * volatile *) bar; /* { dg-warning "cast" } */
 131   char ** volatile const *p13 = (char ** volatile const *) bar;
 132   const char * const * volatile *p15 = (const char * const * volatile *) bar; /* { dg-warning "cast" } */
 133   const char ** volatile const *p17 = (const char ** volatile const *) bar; /* { dg-warning "cast" } */
 134   char * const * volatile const * p19 = (char * const * volatile const *) bar;
 135   const char * const * volatile const *p21 = (const char * const * volatile const *) bar;
 136 }
 137
 138 typedef int (intfn) (int);
 139 typedef intfn *pintfn;
 140 typedef const intfn *constfn;
 141
 142 void
 143 f8 (constfn ***bar)
 144 {
 145   const constfn *p1 = (const constfn *) bar;
 146   const pintfn *p2 = (const pintfn *) bar;
 147   const constfn **p3 = (const constfn **) bar;
 148   const pintfn **p4 = (const pintfn **) bar;
 149   const constfn * const *p5 = (const constfn * const *) bar;
 150   const pintfn * const *p6 = (const pintfn * const *) bar;
 151   constfn * const *p7 = (constfn * const *) bar;
 152   pintfn * const *p8 = (pintfn * const *) bar;
 153   const constfn ***p9 = (const constfn ***) bar; /* { dg-warning "cast" } */
 154   const pintfn ***p10 = (const pintfn ***) bar; /* { dg-warning "cast" } */
 155   constfn * const **p11 = (constfn * const **) bar; /* { dg-warning "cast" } */
 156   pintfn * const **p12 = (pintfn * const **) bar; /* { dg-warning "cast" } */
 157   constfn ** const *p13 = (constfn ** const *) bar;
 158   pintfn ** const *p14 = (pintfn ** const *) bar;
 159   const constfn * const **p15 = (const constfn * const **) bar; /* { dg-warning "cast" } */
 160   const pintfn * const **p16 = (const pintfn * const **) bar; /* { dg-warning "cast" } */
 161   const constfn ** const *p17 = (const constfn ** const *) bar; /* { dg-warning "cast" } */
 162   const pintfn ** const *p18 = (const pintfn ** const *) bar; /* { dg-warning "cast" } */
 163   constfn * const * const * p19 = (constfn * const * const *) bar;
 164   pintfn * const * const * p20 = (pintfn * const * const *) bar;
 165   const constfn * const * const *p21 = (const constfn * const * const *) bar;
 166   const pintfn * const * const *p22 = (const pintfn * const * const *) bar;
 167 }