gcc/testsuite/gcc.dg/Wcalloc-transposed-args-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wcalloc-transposed-args" } */
   3
   4 typedef __SIZE_TYPE__ size_t;
   5 void free (void *);
   6 void *calloc (size_t, size_t);
   7 void *myfree (void *, int, int);
   8 void *mycalloc (int, int, size_t, size_t) __attribute__((malloc, malloc (myfree), alloc_size (3, 4)));
   9
  10 void
  11 foo (int n)
  12 {
  13   void *p;
  14   p = __builtin_calloc (1, sizeof (int));
  15   __builtin_free (p);
  16   p = __builtin_calloc (n, sizeof (int));
  17   __builtin_free (p);
  18   p = __builtin_calloc (sizeof (int), 1);               /* { dg-warning "'__builtin_calloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument" } */
  19   __builtin_free (p);                                   /* { dg-message "earlier argument should specify number of elements, later size of each element" "" { target *-*-* } .-1 } */
  20   p = __builtin_calloc (sizeof (int), n);               /* { dg-warning "'__builtin_calloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument" } */
  21   __builtin_free (p);                                   /* { dg-message "earlier argument should specify number of elements, later size of each element" "" { target *-*-* } .-1 } */
  22   p = __builtin_calloc ((sizeof (int)), 1);             /* { dg-warning "'__builtin_calloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument" } */
  23   __builtin_free (p);                                   /* { dg-message "earlier argument should specify number of elements, later size of each element" "" { target *-*-* } .-1 } */
  24   p = __builtin_calloc (sizeof (int) + 0, 1);
  25   __builtin_free (p);
  26   p = __builtin_calloc (sizeof (int), sizeof (char));
  27   __builtin_free (p);
  28   p = __builtin_calloc (1 * sizeof (int), 1);
  29   __builtin_free (p);
  30   p = calloc (1, sizeof (int));
  31   free (p);
  32   p = calloc (n, sizeof (int));
  33   free (p);
  34   p = calloc (sizeof (int), 1);                         /* { dg-warning "'calloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument" } */
  35   free (p);                                             /* { dg-message "earlier argument should specify number of elements, later size of each element" "" { target *-*-* } .-1 } */
  36   p = calloc (sizeof (int), n);                         /* { dg-warning "'calloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument" } */
  37   free (p);                                             /* { dg-message "earlier argument should specify number of elements, later size of each element" "" { target *-*-* } .-1 } */
  38   p = calloc (sizeof (int), sizeof (char));
  39   free (p);
  40   p = calloc (1 * sizeof (int), 1);
  41   free (p);
  42   p = mycalloc (42, 42, 1, sizeof (int));
  43   myfree (p, 42, 42);
  44   p = mycalloc (42, 42, n, sizeof (int));
  45   myfree (p, 42, 42);
  46   p = mycalloc (42, 42, sizeof (int), 1);               /* { dg-warning "'mycalloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument" } */
  47   myfree (p, 42, 42);                                   /* { dg-message "earlier argument should specify number of elements, later size of each element" "" { target *-*-* } .-1 } */
  48   p = mycalloc (42, 42, sizeof (int), n);               /* { dg-warning "'mycalloc' sizes specified with 'sizeof' in the earlier argument and not in the later argument" } */
  49   myfree (p, 42, 42);                                   /* { dg-message "earlier argument should specify number of elements, later size of each element" "" { target *-*-* } .-1 } */
  50   p = mycalloc (42, 42, sizeof (int), sizeof (char));
  51   myfree (p, 42, 42);
  52   p = mycalloc (42, 42, 1 * sizeof (int), 1);
  53   myfree (p, 42, 42);
  54 }