constructor.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 21 行

// { dg-do run  }
// { dg-options "" }
// Testcase for constructor expressions (GNU extension)

struct Any {
    int *type;
    int *addr;
};

int i, j;

main () {
  struct Any *ap = (struct Any *)
    __builtin_alloca (sizeof(struct Any));
  *ap = ((struct Any){ &i, &j }) ;

  if (ap->type != &i || ap->addr != &j)
    return 1;
  return 0;
}