1 // RUN: %clang_cc1 -Werror -Wformat-nonliteral -verify -fsyntax-only %s
5 extern NSString *fa2 (const NSString *) __attribute__((format_arg(1)));
6 extern NSString *fa3 (NSString *) __attribute__((format_arg(1)));
8 extern void fc1 (const NSString *) __attribute__((format_arg)); // expected-error {{'format_arg' attribute takes one argument}}
9 extern void fc2 (const NSString *) __attribute__((format_arg())); // expected-error {{'format_arg' attribute takes one argument}}
10 extern void fc3 (const NSString *) __attribute__((format_arg(1, 2))); // expected-error {{'format_arg' attribute takes one argument}}
12 struct s1 { int i; } __attribute__((format_arg(1))); // expected-error {{'format_arg' attribute only applies to functions}}
13 union u1 { int i; } __attribute__((format_arg(1))); // expected-error {{'format_arg' attribute only applies to functions}}
14 enum e1 { E1V0 } __attribute__((format_arg(1))); // expected-error {{'format_arg' attribute only applies to functions}}
16 extern NSString *ff3 (const NSString *) __attribute__((format_arg(3-2)));
17 extern NSString *ff4 (const NSString *) __attribute__((format_arg(foo))); // expected-error {{use of undeclared identifier 'foo'}}
19 /* format_arg formats must take and return a string. */
20 extern NSString *fi0 (int) __attribute__((format_arg(1))); // expected-error {{format argument not a string type}}
21 extern NSString *fi1 (NSString *) __attribute__((format_arg(1)));
23 extern NSString *fi2 (NSString *) __attribute__((format_arg(1)));
25 extern int fi3 (const NSString *) __attribute__((format_arg(1))); // expected-error {{function does not return NSString}}
26 extern NSString *fi4 (const NSString *) __attribute__((format_arg(1)));
27 extern NSString *fi5 (const NSString *) __attribute__((format_arg(1)));
31 + (id)stringWithFormat:(NSString *)format, ... __attribute__((format(__NSString__, 1, 2)));
35 - (NSString *)localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)tableName __attribute__ ((format_arg(1)));
36 + (NSBundle *)mainBundle;
40 NSString* localizedFormat(NSString* string) __attribute__ ((format_arg(1)));
44 [NSString stringWithFormat:[[NSBundle mainBundle] localizedStringForKey:@"foo %d" value:@"bar %d" table:0], 42];
46 [NSString stringWithFormat:localizedFormat(@"foo %d"), 42];