30 lines · c
1// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s -std=c992// PR42873 4#include <stdarg.h>5char *foo = "test";6int test(char*,...);7 8int test(fmt) // expected-warning {{a function definition without a prototype is deprecated in all versions of C and is not supported in C23}}9 char*fmt;10{11 va_list ap;12 char*a;13 int x;14 15 va_start(ap,fmt);16 a=va_arg(ap,char*);17 x=(a!=foo);18 va_end(ap);19 return x;20}21 22void exit(); // expected-warning {{a function declaration without a prototype is deprecated in all versions of C}}23 24int main(argc,argv) // expected-warning {{a function definition without a prototype is deprecated in all versions of C and is not supported in C23}}25 int argc;char**argv;26{27 exit(test("",foo));28}29 30