1 /* Test for scanf formats. Formats using extensions to the standard
2 should be rejected in strict pedantic mode.
4 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
5 /* { dg-do compile { target { *-*-mingw* } } } */
6 /* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
8 #define USE_SYSTEM_FORMATS
12 foo (int *ip
, long long int *llp
, wchar_t *ls
)
14 /* The length modifiers q and L as applied to integer formats are
17 scanf ("%qd", llp
); /* { dg-warning "unknown|format" "%q is unsupported" } */
18 scanf ("%Ld", llp
); /* { dg-warning "unknown|format" "%L is unsupported" } */
19 /* The conversion specifiers C and S are X/Open extensions. */
20 scanf ("%C", ls
); /* { dg-warning "C" "scanf %C" } */
21 scanf ("%S", ls
); /* { dg-warning "C" "scanf %S" } */
22 /* The use of operand number $ formats is an X/Open extension. */
23 scanf ("%1$d", ip
); /* { dg-warning "C" "scanf $ format" } */
24 /* glibc also supports flags ' and I on scanf formats as an extension. */
25 scanf ("%'d", ip
); /* { dg-warning "C" "scanf ' flag" } */
26 scanf ("%Id", (ssize_t
*)ip
); /* { dg-warning "C" "scanf I flag" } */