rt_gccstream/gcc/testsuite/gcc.dg/format/cast-1.c

17 lines
539 B
C

/* Test for strings cast through integer types: should not be treated
as format strings unless the types are of the same width as
pointers (intptr_t or similar). */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do compile } */
/* { dg-options "-Wformat" } */
#include "format.h"
void
f (int x)
{
printf("%s", x); /* { dg-warning "format" } */
printf((char *)(size_t)"%s", x); /* { dg-warning "format" } */
printf((char *)(char)"%s", x); /* { dg-warning "cast from pointer to integer of different size" } */
}