llvm-project/clang-tools-extra/test/clang-tidy/checkers/misc-misplaced-const.c

46 lines
1.4 KiB
C

// RUN: %check_clang_tidy %s misc-misplaced-const %t
typedef int plain_i;
typedef int *ip;
typedef const int *cip;
typedef void (*func_ptr)(void);
void func(void) {
// ok
const int *i0 = 0;
const plain_i *i1 = 0;
const cip i2 = 0; // const applies to both pointer and pointee.
// Not ok
const ip i3 = 0;
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: 'i3' declared with a const-qualified typedef; results in the type being 'int *const' instead of 'const int *'
ip const i4 = 0;
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: 'i4' declared with a const-qualified typedef; results in the type being 'int *const' instead of 'const int *'
const volatile ip i5 = 0;
// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: 'i5' declared with a const-qualified typedef; results in the type being 'int *const volatile' instead of 'const int *volatile'
}
void func2(const plain_i *i1,
const cip i2,
const ip i3,
// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: 'i3' declared with a const-qualified
const int *i4) {
}
struct S {
const int *i0;
const plain_i *i1;
const cip i2;
const ip i3;
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: 'i3' declared with a const-qualified
};
// Function pointers should not be diagnosed because a function
// pointer type can never be const.
void func3(const func_ptr fp) {
const func_ptr fp2 = fp;
}