1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/* Test for warnings for missing format attributes. */
/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
/* { dg-do compile } */
/* { dg-options "-Wmissing-format-attribute" } */
/* { dg-options "-Wmissing-format-attribute -Wno-abi" { target arm_eabi } } */
/* VxWorks does not provide vscanf, either in kernel or RTP mode. */
/* { dg-error "not declared" "" { target { *-*-solaris2.8 *-*-vxworks* alpha*-dec-osf* } } 26 } */
#include <stdio.h>
#include <stdarg.h>
void
foo (const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
vprintf (fmt, ap); /* { dg-warning "candidate" "printf attribute warning" } */
va_end (ap);
}
void
bar (const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
vscanf (fmt, ap); /* { dg-warning "candidate" "scanf attribute warning" { xfail *-*-solaris2.8 *-*-vxworks* alpha*-dec-osf* } } */
va_end (ap);
}
__attribute__((__format__(__printf__, 1, 2))) void
foo2 (const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
vprintf (fmt, ap);
va_end (ap);
}
void
vfoo (const char *fmt, va_list arg)
{
vprintf (fmt, arg); /* { dg-warning "candidate" "printf attribute warning 2" } */
}
|
