1/* Test for strfmon format checking.  */
2/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
3/* { dg-do compile } */
4/* { dg-options "-std=gnu99 -Wformat" } */
5
6#include "format.h"
7
8void
9foo (char *s, size_t m, double d, long double ld)
10{
11  /* Examples of valid formats from Austin Group draft 7.  */
12  strfmon (s, m, "%n", d);
13  strfmon (s, m, "%11n", d);
14  strfmon (s, m, "%#5n", d);
15  strfmon (s, m, "%=*#5n", d);
16  strfmon (s, m, "%=0#5n", d);
17  strfmon (s, m, "%^#5n", d);
18  strfmon (s, m, "%^#5.0n", d);
19  strfmon (s, m, "%^#5.4n", d);
20  strfmon (s, m, "%(#5n", d);
21  strfmon (s, m, "%!(#5n", d);
22  strfmon (s, m, "%-14#5.4n", d);
23  strfmon (s, m, "%14#5.4n", d);
24  /* Some more valid formats, including the GNU L length extension.  */
25  strfmon (s, m, "abc%-11ndef%==i%%", d, d);
26  strfmon (s, m, "%%abc%-11ndef%==Li%=%i", d, ld, d);
27  strfmon (s, m, "%Li", ld);
28  strfmon (s, m, "%11Li", ld);
29  strfmon (s, m, "%#5Li", ld);
30  strfmon (s, m, "%=*#5Li", ld);
31  strfmon (s, m, "%=0#5Li", ld);
32  strfmon (s, m, "%^#5Li", ld);
33  strfmon (s, m, "%^#5.0Li", ld);
34  strfmon (s, m, "%^#5.4Li", ld);
35  strfmon (s, m, "%(#5Li", ld);
36  strfmon (s, m, "%!(#5Li", ld);
37  strfmon (s, m, "%-14#5.4Li", ld);
38  strfmon (s, m, "%14#5.4Li", ld);
39  /* Formats with the wrong types used.  */
40  strfmon (s, m, "%Ln", d); /* { dg-warning "format" "wrong type" } */
41  strfmon (s, m, "%n", ld); /* { dg-warning "format" "wrong type" } */
42  /* The + and ( flags cannot be used together.  */
43  strfmon (s, m, "%+(i", d); /* { dg-warning "flag" "+ and ( flags" } */
44  strfmon (s, m, "%(+i", d); /* { dg-warning "flag" "+ and ( flags" } */
45  /* Although empty precision is OK for printf, it isn't here.  */
46  strfmon (s, m, "%#.5n", d); /* { dg-warning "empty" "empty left precision" } */
47  strfmon (s, m, "%#5.n", d); /* { dg-warning "empty" "empty right precision" } */
48  /* However, zero is a valid value for width and precisions.  */
49  strfmon (s, m, "%0#0.0n", d);
50  /* Test bogus %% constructions.  */
51  strfmon (s, m, "%^%"); /* { dg-warning "format" "bogus %%" } */
52  strfmon (s, m, "%!%\n"); /* { dg-warning "format" "bogus %%" } */
53  strfmon (s, m, "%5%\n"); /* { dg-warning "format" "bogus %%" } */
54  strfmon (s, m, "%.5%\n"); /* { dg-warning "format" "bogus %%" } */
55  strfmon (s, m, "%#5%\n"); /* { dg-warning "format" "bogus %%" } */
56  /* Miscellaneous bogus formats.  */
57  strfmon (s, m, "%n%n", d); /* { dg-warning "matching" "too few args" } */
58  strfmon (s, m, ""); /* { dg-warning "zero-length" "empty" } */
59  strfmon (s, m, NULL); /* { dg-warning "null" "null format string" } */
60  strfmon (s, m, "%"); /* { dg-warning "trailing" "tailing %" } */
61  strfmon (s, m, "%n\0", d); /* { dg-warning "embedded" "embedded NUL" } */
62  strfmon (s, m, "%^^n", d); /* { dg-warning "repeated" "repeated flag" } */
63}
64