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-rw-r--r--clang/test/Sema/attr-sentinel.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/clang/test/Sema/attr-sentinel.c b/clang/test/Sema/attr-sentinel.c
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+++ b/clang/test/Sema/attr-sentinel.c
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+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+#define NULL (void*)0
+
+#define ATTR __attribute__ ((__sentinel__))
+
+void foo1 (int x, ...) ATTR; // expected-note 3 {{function has been explicitly marked sentinel here}}
+void foo5 (int x, ...) __attribute__ ((__sentinel__(1))); // expected-note {{function has been explicitly marked sentinel here}}
+void foo6 (int x, ...) __attribute__ ((__sentinel__(5))); // expected-note {{function has been explicitly marked sentinel here}}
+void foo7 (int x, ...) __attribute__ ((__sentinel__(0))); // expected-note {{function has been explicitly marked sentinel here}}
+void foo10 (int x, ...) __attribute__ ((__sentinel__(1,1)));
+void foo12 (int x, ... ) ATTR; // expected-note {{function has been explicitly marked sentinel here}}
+
+#define FOOMACRO(...) foo1(__VA_ARGS__)
+
+void test1() {
+ foo1(1, NULL); // OK
+ foo1(1, 0) ; // expected-warning {{missing sentinel in function call}}
+ foo5(1, NULL, 2); // OK
+ foo5(1,2,NULL, 1); // OK
+ foo5(1, NULL, 2, 1); // expected-warning {{missing sentinel in function call}}
+
+ foo6(1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}}
+ foo6(1,NULL,3,4,5,6,7); // OK
+ foo7(1); // expected-warning {{not enough variable arguments in 'foo7' declaration to fit a sentinel}}
+ foo7(1, NULL); // OK
+
+ foo12(1); // expected-warning {{not enough variable arguments in 'foo12' declaration to fit a sentinel}}
+
+ // PR 5685
+ struct A {};
+ struct A a, b, c;
+ foo1(3, &a, &b, &c); // expected-warning {{missing sentinel in function call}}
+ foo1(3, &a, &b, &c, (struct A*) 0);
+
+ // PR11002
+ FOOMACRO(1, 2); // expected-warning {{missing sentinel in function call}}
+}
+
+
+
+void (*e) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (1,1)));
+
+void test2() {
+ void (*b) (int arg, const char * format, ...) __attribute__ ((__sentinel__)); // expected-note {{function has been explicitly marked sentinel here}}
+ void (*z) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (2))); // expected-note {{function has been explicitly marked sentinel here}}
+
+
+ void (*y) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (5))); // expected-note {{function has been explicitly marked sentinel here}}
+
+ b(1, "%s", (void*)0); // OK
+ b(1, "%s", 0); // expected-warning {{missing sentinel in function call}}
+ z(1, "%s",4 ,1,0); // expected-warning {{missing sentinel in function call}}
+ z(1, "%s", (void*)0, 1, 0); // OK
+
+ y(1, "%s", 1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}}
+
+ y(1, "%s", (void*)0,3,4,5,6,7); // OK
+}