gcc/testsuite/c-c++-common/analyzer/attr-alloc_size-2.c

   1 typedef signed long idx_t;
   2
   3 void *xirealloc (void *p, idx_t s)
   4   __attribute__ ((__alloc_size__ (2))) __attribute__ ((__returns_nonnull__));
   5
   6 char *
   7 test_cast_1 (char *buf, idx_t buf_count)
   8 {
   9   return (char *) xirealloc (buf, buf_count + 1);
  10 }
  11
  12 void *alloc_cast_2 (signed char x, signed char y)
  13   __attribute__ ((__alloc_size__ (1, 2)));
  14
  15 void *
  16 test_cast_2 (signed char a, signed char b)
  17 {
  18   return alloc_cast_2 (a + 1, b + 1);
  19 }