xref: /llvm-project/clang/test/APINotes/nullability.c (revision 932949dbb517b089af28fdc480a16a738ee5db78)
1 // RUN: rm -rf %t && mkdir -p %t
2 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fapinotes-modules -fsyntax-only -I %S/Inputs/Headers -F %S/Inputs/Frameworks %s -verify
3 
4 #include "HeaderLib.h"
5 
main()6 int main() {
7   custom_realloc(0, 0); // expected-warning{{null passed to a callee that requires a non-null argument}}
8   int i = 0;
9   do_something_with_pointers(&i, 0);
10   do_something_with_pointers(0, &i); // expected-warning{{null passed to a callee that requires a non-null argument}}
11 
12   extern void *p;
13   do_something_with_arrays(0, p); // expected-warning{{null passed to a callee that requires a non-null argument}}
14   do_something_with_arrays(p, 0); // expected-warning{{null passed to a callee that requires a non-null argument}}
15 
16   take_pointer_and_int(0, 0); // expected-warning{{null passed to a callee that requires a non-null argument}}
17 
18   float *fp = global_int; // expected-warning{{incompatible pointer types initializing 'float *' with an expression of type 'int * _Nonnull'}}
19   return 0;
20 }
21 
22