82 lines
1.8 KiB
Text
82 lines
1.8 KiB
Text
|
// RUN: %clang_cc1 -fsyntax-only -verify -Wformat-nonliteral -pedantic %s
|
||
|
|
||
|
#include <stdarg.h>
|
||
|
|
||
|
extern "C" {
|
||
|
extern int scanf(const char *restrict, ...);
|
||
|
extern int printf(const char *restrict, ...);
|
||
|
extern int vprintf(const char *restrict, va_list);
|
||
|
}
|
||
|
|
||
|
@class NSString;
|
||
|
|
||
|
@interface Format
|
||
|
+ (void)print:(NSString *)format, ... __attribute__((format(NSString, 1, 2)));
|
||
|
@end
|
||
|
|
||
|
|
||
|
namespace Templates {
|
||
|
template<typename T>
|
||
|
void my_uninstantiated_print(const T &arg) {
|
||
|
[Format print:@"%d", arg];
|
||
|
}
|
||
|
|
||
|
template<typename T>
|
||
|
void my_print(const T &arg) {
|
||
|
[Format print:@"%d", arg]; // expected-warning {{format specifies type 'int' but the argument has type 'const char *'}}
|
||
|
}
|
||
|
|
||
|
void use_my_print() {
|
||
|
my_print("abc"); // expected-note {{requested here}}
|
||
|
}
|
||
|
|
||
|
|
||
|
template<typename T>
|
||
|
class UninstantiatedPrinter {
|
||
|
public:
|
||
|
static void print(const T &arg) {
|
||
|
[Format print:@"%d", arg]; // no-warning
|
||
|
}
|
||
|
};
|
||
|
|
||
|
template<typename T>
|
||
|
class Printer {
|
||
|
public:
|
||
|
void print(const T &arg) {
|
||
|
[Format print:@"%d", arg]; // expected-warning {{format specifies type 'int' but the argument has type 'const char *'}}
|
||
|
}
|
||
|
};
|
||
|
|
||
|
void use_class(Printer<const char *> &p) {
|
||
|
p.print("abc"); // expected-note {{requested here}}
|
||
|
}
|
||
|
|
||
|
|
||
|
template<typename T>
|
||
|
class UninstantiatedWrapper {
|
||
|
public:
|
||
|
class Printer {
|
||
|
public:
|
||
|
void print(const T &arg) {
|
||
|
[Format print:@"%d", arg]; // no-warning
|
||
|
}
|
||
|
};
|
||
|
};
|
||
|
|
||
|
template<typename T>
|
||
|
class Wrapper {
|
||
|
public:
|
||
|
class Printer {
|
||
|
public:
|
||
|
void print(const T &arg) {
|
||
|
[Format print:@"%d", arg]; // expected-warning {{format specifies type 'int' but the argument has type 'const char *'}}
|
||
|
}
|
||
|
};
|
||
|
};
|
||
|
|
||
|
void use_class(Wrapper<const char *>::Printer &p) {
|
||
|
p.print("abc"); // expected-note {{requested here}}
|
||
|
}
|
||
|
}
|
||
|
|