1 /* Test for warnings for missing format attributes. */
2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
3 /* { dg-do compile { target { *-*-mingw* } } } */
4 /* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
5
6 #define USE_SYSTEM_FORMATS
7 #include "format.h"
8
9 void
foo(const char * fmt,...)10 foo (const char *fmt, ...)
11 {
12 va_list ap;
13 va_start (ap, fmt);
14 vprintf (fmt, ap); /* { dg-warning "candidate" "printf attribute warning" } */
15 va_end (ap);
16 }
17
18 void
bar(const char * fmt,...)19 bar (const char *fmt, ...)
20 {
21 va_list ap;
22 va_start (ap, fmt);
23 vscanf (fmt, ap); /* { dg-warning "candidate" "scanf attribute warning" } */
24 va_end (ap);
25 }
26
27 __attribute__((__format__(__ms_printf__, 1, 2))) void
foo2(const char * fmt,...)28 foo2 (const char *fmt, ...)
29 {
30 va_list ap;
31 va_start (ap, fmt);
32 vprintf (fmt, ap);
33 va_end (ap);
34 }
35
36 void
vfoo(const char * fmt,va_list arg)37 vfoo (const char *fmt, va_list arg)
38 {
39 vprintf (fmt, arg); /* { dg-warning "candidate" "printf attribute warning 2" } */
40 }
41