android-cloexec-memfd-create.cpp
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// RUN: %check_clang_tidy %s android-cloexec-memfd-create %t
#define MFD_ALLOW_SEALING 1
#define __O_CLOEXEC 3
#define MFD_CLOEXEC __O_CLOEXEC
#define TEMP_FAILURE_RETRY(exp) \
({ \
int _rc; \
do { \
_rc = (exp); \
} while (_rc == -1); \
})
#define NULL 0
extern "C" int memfd_create(const char *name, unsigned int flags);
void a() {
memfd_create(NULL, MFD_ALLOW_SEALING);
// CHECK-MESSAGES: :[[@LINE-1]]:39: warning: 'memfd_create' should use MFD_CLOEXEC where possible [android-cloexec-memfd-create]
// CHECK-FIXES: memfd_create(NULL, MFD_ALLOW_SEALING | MFD_CLOEXEC)
TEMP_FAILURE_RETRY(memfd_create(NULL, MFD_ALLOW_SEALING));
// CHECK-MESSAGES: :[[@LINE-1]]:58: warning: 'memfd_create'
// CHECK-FIXES: TEMP_FAILURE_RETRY(memfd_create(NULL, MFD_ALLOW_SEALING | MFD_CLOEXEC))
}
void f() {
memfd_create(NULL, 3);
// CHECK-MESSAGES: :[[@LINE-1]]:23: warning: 'memfd_create'
// CHECK-FIXES: memfd_create(NULL, 3 | MFD_CLOEXEC)
TEMP_FAILURE_RETRY(memfd_create(NULL, 3));
// CHECK-MESSAGES: :[[@LINE-1]]:42: warning: 'memfd_create'
// CHECK-FIXES: TEMP_FAILURE_RETRY(memfd_create(NULL, 3 | MFD_CLOEXEC))
int flag = 3;
memfd_create(NULL, flag);
TEMP_FAILURE_RETRY(memfd_create(NULL, flag));
}
namespace i {
int memfd_create(const char *name, unsigned int flags);
void d() {
memfd_create(NULL, MFD_ALLOW_SEALING);
TEMP_FAILURE_RETRY(memfd_create(NULL, MFD_ALLOW_SEALING));
}
} // namespace i
void e() {
memfd_create(NULL, MFD_CLOEXEC);
TEMP_FAILURE_RETRY(memfd_create(NULL, MFD_CLOEXEC));
memfd_create(NULL, MFD_ALLOW_SEALING | MFD_CLOEXEC);
TEMP_FAILURE_RETRY(memfd_create(NULL, MFD_ALLOW_SEALING | MFD_CLOEXEC));
}
class G {
public:
int memfd_create(const char *name, unsigned int flags);
void d() {
memfd_create(NULL, MFD_ALLOW_SEALING);
TEMP_FAILURE_RETRY(memfd_create(NULL, MFD_ALLOW_SEALING));
}
};