1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.unix.Stream -verify %s
2 
3 typedef struct _IO_FILE FILE;
4 extern FILE *fopen(const char *path, const char *mode);
5 
6 struct X {
7   int A;
8   int B;
9 };
10 
fopen(X x,const char * mode)11 void *fopen(X x, const char *mode) {
12   return new char[4];
13 }
14 
f1()15 void f1() {
16   X X1;
17   void *p = fopen(X1, "oo");
18 } // no-warning
19 
f2()20 void f2() {
21   FILE *f = fopen("file", "r");
22 } // expected-warning {{Opened stream never closed. Potential resource leak}}
23