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// RUN: %clang_cc1 -fsyntax-only -verify -triple i386-apple-darwin9 %s
// RUN: %clang_cc1 -fsyntax-only -verify -triple thumbv6-apple-ios4.0 %s
// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-mingw32 %s
// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-pc-win32 %s
// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux-gnu -DALLOWED %s
// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-unknown-freebsd -DALLOWED %s
int printf(const char *restrict, ...);
int scanf(const char * restrict, ...) ;
void test() {
long notLongEnough = 1;
long long quiteLong = 2;
printf("%Ld", notLongEnough); // expected-warning {{format specifies type 'long long' but the argument has type 'long'}}
printf("%Ld", quiteLong);
#ifndef ALLOWED
// expected-warning@-4 {{length modifier 'L' results in undefined behavior or no effect with 'd' conversion specifier}}
// expected-note@-5 {{did you mean to use 'll'?}}
// expected-warning@-6 {{length modifier 'L' results in undefined behavior or no effect with 'd' conversion specifier}}
// expected-note@-7 {{did you mean to use 'll'?}}
#endif
}
void testAlwaysInvalid() {
// We should not suggest 'll' here!
printf("%Lc", 'a'); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 'c' conversion specifier}}
printf("%Ls", "a"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
}
#ifdef ALLOWED
// PR 9466: clang: doesn't know about %Lu, %Ld, and %Lx
void printf_longlong(long long x, unsigned long long y) {
printf("%Ld", y); // no-warning
printf("%Lu", y); // no-warning
printf("%Lx", y); // no-warning
printf("%Ld", x); // no-warning
printf("%Lu", x); // no-warning
printf("%Lx", x); // no-warning
printf("%Ls", "hello"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
}
void scanf_longlong(long long *x, unsigned long long *y) {
scanf("%Ld", y); // no-warning
scanf("%Lu", y); // no-warning
scanf("%Lx", y); // no-warning
scanf("%Ld", x); // no-warning
scanf("%Lu", x); // no-warning
scanf("%Lx", x); // no-warning
scanf("%Ls", "hello"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
}
#endif
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