attr-cleanup.c
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// RUN: %clang_cc1 %s -verify -fsyntax-only
void c1(int *a);
extern int g1 __attribute((cleanup(c1))); // expected-warning {{'cleanup' attribute only applies to local variables}}
int g2 __attribute((cleanup(c1))); // expected-warning {{'cleanup' attribute only applies to local variables}}
static int g3 __attribute((cleanup(c1))); // expected-warning {{'cleanup' attribute only applies to local variables}}
void t1()
{
int v1 __attribute((cleanup)); // expected-error {{'cleanup' attribute takes one argument}}
int v2 __attribute((cleanup(1, 2))); // expected-error {{'cleanup' attribute takes one argument}}
static int v3 __attribute((cleanup(c1))); // expected-warning {{'cleanup' attribute only applies to local variables}}
int v4 __attribute((cleanup(h))); // expected-error {{use of undeclared identifier 'h'}}
int v5 __attribute((cleanup(c1)));
int v6 __attribute((cleanup(v3))); // expected-error {{'cleanup' argument 'v3' is not a function}}
}
struct s {
int a, b;
};
void c2();
void c3(struct s a);
void t2()
{
int v1 __attribute__((cleanup(c2))); // expected-error {{'cleanup' function 'c2' must take 1 parameter}}
int v2 __attribute__((cleanup(c3))); // expected-error {{'cleanup' function 'c3' parameter has type 'struct s' which is incompatible with type 'int *'}}
}
// This is a manufactured testcase, but gcc accepts it...
void c4(_Bool a);
void t4() {
__attribute((cleanup(c4))) void* g;
}
void c5(void*) __attribute__((deprecated)); // expected-note{{'c5' has been explicitly marked deprecated here}}
void t5() {
int i __attribute__((cleanup(c5))); // expected-warning {{'c5' is deprecated}}
}
void t6(void) {
int i __attribute__((cleanup((void *)0))); // expected-error {{'cleanup' argument is not a function}}
}
void t7(__attribute__((cleanup(c4))) int a) {} // expected-warning {{'cleanup' attribute only applies to local variables}}