1/* Test the -Wno-format-zero-length option, which suppresses warnings 2 about zero-length formats. */ 3/* Origin: Jason Thorpe <thorpej@wasabisystems.com> */ 4/* { dg-do compile { target { *-*-mingw* } } } */ 5/* { dg-options "-std=iso9899:1990 -pedantic -Wformat -Wno-format-zero-length" } */ 6 7#define USE_SYSTEM_FORMATS 8#include "format.h" 9 10void 11foo (void) 12{ 13 /* See ISO/IEC 9899:1990 (E) subclause 7.9.6.1 (pages 131-134). */ 14 /* Zero-length format strings are allowed. */ 15 printf (""); 16} 17