android-cloexec-fopen.cpp
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// RUN: %check_clang_tidy %s android-cloexec-fopen %t
#define FILE_OPEN_RO "r"
typedef int FILE;
extern "C" FILE *fopen(const char *filename, const char *mode, ...);
extern "C" FILE *open(const char *filename, const char *mode, ...);
void f() {
fopen("filename", "r");
// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: use 'fopen' mode 'e' to set O_CLOEXEC [android-cloexec-fopen]
// CHECK-FIXES: fopen("filename", "re");
fopen("filename", FILE_OPEN_RO);
// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: use 'fopen' mode 'e'
// CHECK-FIXES: fopen("filename", FILE_OPEN_RO "e");
fopen("filename", "er");
// CHECK-MESSAGES-NOT: warning:
fopen("filename", "re");
// CHECK-MESSAGES-NOT: warning:
fopen("filename", "e");
// CHECK-MESSAGES-NOT: warning:
open("filename", "e");
// CHECK-MESSAGES-NOT: warning:
char *str = "r";
fopen("filename", str);
// CHECK-MESSAGES-NOT: warning:
str = "re";
fopen("filename", str);
// CHECK-MESSAGES-NOT: warning:
char arr[2] = "r";
fopen("filename", arr);
// CHECK-MESSAGES-NOT: warning:
char arr2[3] = "re";
fopen("filename", arr2);
// CHECK-MESSAGES-NOT: warning:
}
namespace i {
int *fopen(const char *filename, const char *mode, ...);
void g() {
fopen("filename", "e");
// CHECK-MESSAGES-NOT: warning:
}
} // namespace i
class C {
public:
int *fopen(const char *filename, const char *mode, ...);
void h() {
fopen("filename", "e");
// CHECK-MESSAGES-NOT: warning:
}
};