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