summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/format/miss-5.c
blob: 1706e369b0299d3b5ee4f498a693d2674e66d1cf (plain)
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
44
45
46
47
48
49
/* Test warnings for missing format attributes on function pointers.  */
/* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */

#define DONT_GNU_PROTOTYPE
#include "format.h"

typedef void (*noattr_t) (const char *, ...);
typedef noattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 2))) attr_t;

typedef void (*vnoattr_t) (const char *, va_list);
typedef vnoattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 0))) vattr_t;

noattr_t
foo1 (noattr_t na, attr_t a, int i)
{
  if (i)
    return na;
  else
    return a; /* { dg-warning "candidate" "return type warning" } */
}

attr_t
foo2 (noattr_t na, attr_t a, int i)
{
  if (i)
    return na;
  else
    return a;
}

vnoattr_t
foo3 (vnoattr_t vna, vattr_t va, int i)
{
  if (i)
    return vna;
  else
    return va; /* { dg-warning "candidate" "return type warning" } */
}

vattr_t
foo4 (vnoattr_t vna, vattr_t va, int i)
{
  if (i)
    return vna;
  else
    return va;
}