1 // RUN: %clang_cc1 -fsyntax-only -verify -triple i386-apple-darwin9 %s
2 // RUN: %clang_cc1 -fsyntax-only -verify -triple thumbv6-apple-ios4.0 %s
3 // RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-mingw32 -DMS %s
4 // RUN: %clang_cc1 -fsyntax-only -verify -triple i686-pc-win32 -DMS %s
5
6 // RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux-gnu -DALLOWED %s
7 // RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-unknown-freebsd -DALLOWED %s
8
9 int printf(const char *restrict, ...);
10 int scanf(const char * restrict, ...) ;
11
test()12 void test() {
13 long notLongEnough = 1;
14 long long quiteLong = 2;
15
16 printf("%Ld", notLongEnough); // expected-warning {{format specifies type 'long long' but the argument has type 'long'}}
17 printf("%Ld", quiteLong);
18
19 #ifndef ALLOWED
20 // expected-warning@-4 {{length modifier 'L' results in undefined behavior or no effect with 'd' conversion specifier}}
21 // expected-note@-5 {{did you mean to use 'll'?}}
22
23 // expected-warning@-6 {{length modifier 'L' results in undefined behavior or no effect with 'd' conversion specifier}}
24 // expected-note@-7 {{did you mean to use 'll'?}}
25 #endif
26
27 #ifndef MS
28 printf("%Z\n", quiteLong); // expected-warning{{invalid conversion specifier 'Z'}}
29 #endif
30 }
31
testAlwaysInvalid()32 void testAlwaysInvalid() {
33 // We should not suggest 'll' here!
34 printf("%Lc", 'a'); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 'c' conversion specifier}}
35 printf("%Ls", "a"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
36 }
37
38 #ifdef ALLOWED
39 // PR 9466: clang: doesn't know about %Lu, %Ld, and %Lx
printf_longlong(long long x,unsigned long long y)40 void printf_longlong(long long x, unsigned long long y) {
41 printf("%Ld", y); // no-warning
42 printf("%Lu", y); // no-warning
43 printf("%Lx", y); // no-warning
44 printf("%Ld", x); // no-warning
45 printf("%Lu", x); // no-warning
46 printf("%Lx", x); // no-warning
47 printf("%Ls", "hello"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
48 }
49
scanf_longlong(long long * x,unsigned long long * y)50 void scanf_longlong(long long *x, unsigned long long *y) {
51 scanf("%Ld", y); // no-warning
52 scanf("%Lu", y); // no-warning
53 scanf("%Lx", y); // no-warning
54 scanf("%Ld", x); // no-warning
55 scanf("%Lu", x); // no-warning
56 scanf("%Lx", x); // no-warning
57 scanf("%Ls", "hello"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
58 }
59 #endif
60