From 74f640a92eff557e0ebef7de8f9f0c4d61bd5f06 Mon Sep 17 00:00:00 2001 From: "thestig@chromium.org" Date: Wed, 18 Dec 2013 19:52:36 +0000 Subject: Use a proper ignore_result() to fix a ftruncate warn_unused_result warning with GCC 4.8. BUG=492 R=mark@chromium.org Review URL: https://breakpad.appspot.com/944003 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1266 4c0a9323-5329-0410-9bdc-e9ce6186880e --- src/common/basictypes.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'src/common/basictypes.h') diff --git a/src/common/basictypes.h b/src/common/basictypes.h index 84668b79..9426c1f6 100644 --- a/src/common/basictypes.h +++ b/src/common/basictypes.h @@ -38,4 +38,21 @@ void operator=(const TypeName&) #endif // DISALLOW_COPY_AND_ASSIGN +namespace google_breakpad { + +// Used to explicitly mark the return value of a function as unused. If you are +// really sure you don't want to do anything with the return value of a function +// that has been marked with __attribute__((warn_unused_result)), wrap it with +// this. Example: +// +// scoped_ptr my_var = ...; +// if (TakeOwnership(my_var.get()) == SUCCESS) +// ignore_result(my_var.release()); +// +template +inline void ignore_result(const T&) { +} + +} // namespace google_breakpad + #endif // COMMON_BASICTYPES_H_ -- cgit v1.2.1