gnu-cond-expr-2.c

来自「linux下编程用 编译软件」· C语言 代码 · 共 14 行

/* Test diagnostic for GNU extension: omitting middle term of
   conditional expression.  Test with -pedantic.  */
/* Origin: Joseph Myers <[e-mail]> */
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -pedantic" } */

int a, b, c;

void
f (void)
{
  c = (++a ? : b); /* { dg-warning "warning: ISO C forbids omitting the middle term of a \\?: expression" } */
}