bugprone-bool-pointer-implicit-conversion.cpp
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// RUN: %check_clang_tidy %s bugprone-bool-pointer-implicit-conversion %t
bool *SomeFunction();
void SomeOtherFunction(bool*);
bool F();
void G(bool);
template <typename T>
void t(T b) {
if (b) {
}
}
void foo() {
bool *b = SomeFunction();
if (b) {
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: dubious check of 'bool *' against 'nullptr'
// CHECK-FIXES: if (*b) {
}
if (F() && b) {
// CHECK-MESSAGES: :[[@LINE-1]]:14: warning: dubious check of 'bool *' against 'nullptr'
// CHECK-FIXES: if (F() && *b) {
}
// TODO: warn here.
if (b) {
G(b);
}
#define TESTMACRO if (b || F())
TESTMACRO {
}
t(b);
if (!b) {
// no-warning
}
if (SomeFunction()) {
// no-warning
}
bool *c = SomeFunction();
if (c) {
(void)c;
(void)*c; // no-warning
}
if (c) {
*c = true; // no-warning
}
if (c) {
c[0] = false; // no-warning
}
if (c) {
SomeOtherFunction(c); // no-warning
}
if (c) {
delete[] c; // no-warning
}
if (c) {
*(c) = false; // no-warning
}
struct {
bool *b;
} d = { SomeFunction() };
if (d.b)
(void)*d.b; // no-warning
#define CHECK(b) if (b) {}
CHECK(c)
}