func-outside-1.c

来自「用于进行gcc测试」· C语言 代码 · 共 10 行

/* Test for rejection of __func__ outside a function (GNU extensions
   are OK there).  Test with no special options.  */
/* Origin: Joseph Myers <[e-mail]> */
/* { dg-do compile } */
/* { dg-options "" } */

const char *a = __func__; /* { dg-warning "'__func__' is not defined outside of function scope" "undef" } */
const char *b = __FUNCTION__;
const char *c = __PRETTY_FUNCTION__;