Update attributes to match gclibc's ansidecl.h
To ease use of WebRTC in other codebases, update some macros
to match glibc's ansidecl.h, which uses double-underscores for attributes.
NOTRY=True
Review URL: https://codereview.webrtc.org/1571653002
Cr-Original-Commit-Position: refs/heads/master@{#11185}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: b71b4f0c7af57ef5b676c6ed70bf945282c90e3a
diff --git a/typedefs.h b/typedefs.h
index f3839c7..6a3f441 100644
--- a/typedefs.h
+++ b/typedefs.h
@@ -73,7 +73,7 @@
// libjingle are merged.
#if !defined(WARN_UNUSED_RESULT)
#if defined(__GNUC__) || defined(__clang__)
-#define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+#define WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
#else
#define WARN_UNUSED_RESULT
#endif
@@ -84,7 +84,7 @@
// assert(result == 17);
#ifndef ATTRIBUTE_UNUSED
#if defined(__GNUC__) || defined(__clang__)
-#define ATTRIBUTE_UNUSED __attribute__((unused))
+#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
#else
#define ATTRIBUTE_UNUSED
#endif
@@ -104,7 +104,7 @@
#if defined(_MSC_VER)
#define NO_RETURN __declspec(noreturn)
#elif defined(__GNUC__)
-#define NO_RETURN __attribute__((noreturn))
+#define NO_RETURN __attribute__ ((__noreturn__))
#else
#define NO_RETURN
#endif
