1 files changed, 19 insertions, 0 deletions
diff --git a/klm/util/scoped.hh b/klm/util/scoped.hh
index ef62a74f..52864481 100644
--- a/klm/util/scoped.hh
+++ b/klm/util/scoped.hh
@@ -4,6 +4,7 @@
 /* Other scoped objects in the style of scoped_ptr. */
 
 #include <cstddef>
+#include <cstdio>
 
 namespace util {
 
@@ -61,6 +62,24 @@ class scoped_fd {
     scoped_fd &operator=(const scoped_fd &);
 };
 
+class scoped_FILE {
+  public:
+    explicit scoped_FILE(std::FILE *file = NULL) : file_(file) {}
+
+    ~scoped_FILE();
+
+    std::FILE *get() { return file_; }
+    const std::FILE *get() const { return file_; }
+
+    void reset(std::FILE *to = NULL) {
+      scoped_FILE other(file_);
+      file_ = to;
+    }
+
+  private:
+    std::FILE *file_;
+};
+
 } // namespace util
 
 #endif // UTIL_SCOPED__