1/* Test for format extensions beyond the C standard and X/Open standard.
2   Test for scanf formats.
3*/
4/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
5/* { dg-do compile } */
6/* { dg-options "-std=gnu99 -Wformat" } */
7
8#include "format.h"
9
10void
11foo (quad_t *qp, u_quad_t *uqp, quad_t *qn, long long int *llp,
12     unsigned long long int *ullp, float *fp, char *s, void **pp, wchar_t *ls,
13     int *ip, unsigned int *up)
14{
15  /* As an extension, GCC allows the BSD length "q" for integer formats.
16     This is largely obsoleted in C99 by %j, %ll and SCNd64.
17  */
18  scanf ("%qd%qi%qo%qu%qx%qX%qn", qp, qp, uqp, uqp, uqp, uqp, qn);
19  scanf ("%qf", fp); /* { dg-warning "length" "bad use of %q" } */
20  scanf ("%qF", fp); /* { dg-warning "length" "bad use of %q" } */
21  scanf ("%qe", fp); /* { dg-warning "length" "bad use of %q" } */
22  scanf ("%qE", fp); /* { dg-warning "length" "bad use of %q" } */
23  scanf ("%qg", fp); /* { dg-warning "length" "bad use of %q" } */
24  scanf ("%qG", fp); /* { dg-warning "length" "bad use of %q" } */
25  scanf ("%qa", fp); /* { dg-warning "length" "bad use of %q" } */
26  scanf ("%qA", fp); /* { dg-warning "length" "bad use of %q" } */
27  scanf ("%qs", s); /* { dg-warning "length" "bad use of %q" } */
28  scanf ("%q[abc]", s); /* { dg-warning "length" "bad use of %q" } */
29  scanf ("%qc", s); /* { dg-warning "length" "bad use of %q" } */
30  scanf ("%qp", pp); /* { dg-warning "length" "bad use of %q" } */
31  scanf ("%qC", ls); /* { dg-warning "length" "bad use of %q" } */
32  scanf ("%qS", ls); /* { dg-warning "length" "bad use of %q" } */
33  /* As an extension, GCC allows the length "L" on integer formats
34     (but not %n) as a synonym for "ll".
35     This should be considered deprecated.
36  */
37  scanf ("%Ld%Li%Lo%Lu%Lx%LX", llp, llp, ullp, ullp, ullp, ullp);
38  /* glibc also supports flags ' and I on scanf formats.  The ' flag applies
39     to all formats scanning decimal values; the I flag only to decimal integer
40     formats.
41  */
42  scanf ("%'d%'i%'u%'a%'A%'e%'E%'f%'F%'g%'G", ip, ip, up, fp, fp, fp, fp,
43	 fp, fp, fp, fp);
44  scanf ("%'o", up); /* { dg-warning "flag" "bad use of ' flag" } */
45  scanf ("%'x", up); /* { dg-warning "flag" "bad use of ' flag" } */
46  scanf ("%'X", up); /* { dg-warning "flag" "bad use of ' flag" } */
47  scanf ("%'n", ip); /* { dg-warning "flag" "bad use of ' flag" } */
48  scanf ("%'s", s); /* { dg-warning "flag" "bad use of ' flag" } */
49  scanf ("%'[abc]", s); /* { dg-warning "flag" "bad use of ' flag" } */
50  scanf ("%'c", s); /* { dg-warning "flag" "bad use of ' flag" } */
51  scanf ("%'p", pp); /* { dg-warning "flag" "bad use of ' flag" } */
52  scanf ("%'C", ls); /* { dg-warning "flag" "bad use of ' flag" } */
53  scanf ("%'S", ls); /* { dg-warning "flag" "bad use of ' flag" } */
54  scanf ("%Id%Ii%Iu", ip, ip, up);
55  scanf ("%Ia", fp); /* { dg-warning "flag" "bad use of I flag" } */
56  scanf ("%IA", fp); /* { dg-warning "flag" "bad use of I flag" } */
57  scanf ("%Ie", fp); /* { dg-warning "flag" "bad use of I flag" } */
58  scanf ("%IE", fp); /* { dg-warning "flag" "bad use of I flag" } */
59  scanf ("%If", fp); /* { dg-warning "flag" "bad use of I flag" } */
60  scanf ("%IF", fp); /* { dg-warning "flag" "bad use of I flag" } */
61  scanf ("%Ig", fp); /* { dg-warning "flag" "bad use of I flag" } */
62  scanf ("%IG", fp); /* { dg-warning "flag" "bad use of I flag" } */
63  scanf ("%Io", up); /* { dg-warning "flag" "bad use of I flag" } */
64  scanf ("%Ix", up); /* { dg-warning "flag" "bad use of I flag" } */
65  scanf ("%IX", up); /* { dg-warning "flag" "bad use of I flag" } */
66  scanf ("%In", ip); /* { dg-warning "flag" "bad use of I flag" } */
67  scanf ("%Is", s); /* { dg-warning "flag" "bad use of I flag" } */
68  scanf ("%I[abc]", s); /* { dg-warning "flag" "bad use of I flag" } */
69  scanf ("%Ic", s); /* { dg-warning "flag" "bad use of I flag" } */
70  scanf ("%Ip", pp); /* { dg-warning "flag" "bad use of I flag" } */
71  scanf ("%IC", ls); /* { dg-warning "flag" "bad use of I flag" } */
72  scanf ("%IS", ls); /* { dg-warning "flag" "bad use of I flag" } */
73}
74