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 | |
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 | |
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 |
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 | |
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 | |