1 /* Test for strfmon format checking. */
2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
3 /* { dg-do compile } */
4 /* { dg-options "-std=gnu99 -Wformat" } */
9 foo (char *s
, size_t m
, double d
, long double ld
)
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" } */
