From 2d753e6a210bc337cc559e06007b2e383aeef6f8 Mon Sep 17 00:00:00 2001
From: Terry Heo <terryheo@google.com>
Date: Tue, 8 Dec 2020 18:15:36 -0800
Subject: [PATCH] Fix a crashing issue of Android logging

Avoid using std::cerr.
This patch resolves GitHub issue #38025.

PiperOrigin-RevId: 346452855
Change-Id: Ife2504476b265909814c09c900cbb5090a55fcc5
---
 tensorflow/core/platform/default/logging.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tensorflow/core/platform/default/logging.cc b/tensorflow/core/platform/default/logging.cc
index b19c2630f23..e0d2e5b9341 100644
--- a/tensorflow/core/platform/default/logging.cc
+++ b/tensorflow/core/platform/default/logging.cc
@@ -485,7 +485,8 @@ void TFDefaultLogSink::Send(const TFLogEntry& entry) {
   __android_log_write(android_log_level, "native", ss.str().c_str());
 
   // Also log to stderr (for standalone Android apps).
-  std::cerr << "native : " << ss.str() << std::endl;
+  // Don't use 'std::cerr' since it crashes on Android.
+  fprintf(stderr, "native : %s\n", ss.str().c_str());
 
   // Android logging at level FATAL does not terminate execution, so abort()
   // is still required to stop the program.