commit ae53a0e6d3f605cc124009cb0172f152f69417a4
author Yifan Hong <elsk@google.com> Fri Jul 07 15:19:06 2017 -0700
committer Yifan Hong <elsk@google.com> Fri Jul 07 16:26:02 2017 -0700
tree d6e85d0a68080c46834283b0d9519acdaefef625
parent 79efa8a35e677cb8ac79041737e2700b0e50de15

KernelConfigParser::error() returns internal buffer.

It is easier to log errors now (instead of calling
    ... << error().str()
each time.)

Bug: 38324908

Test: pass
Change-Id: Iba8607db032ff77b578831d1f638e9b18c4b548e

KernelConfigParser.cpp

diff --git a/KernelConfigParser.cpp b/KernelConfigParser.cpp
index e657a33..1d08fca 100644
--- a/KernelConfigParser.cpp
+++ b/KernelConfigParser.cpp
@@ -27,8 +27,8 @@
     return process("\n", 1 /* sizeof "\n" */);
 }
 
-const std::stringstream& KernelConfigParser::error() const {
-    return mError;
+std::stringbuf* KernelConfigParser::error() const {
+    return mError.rdbuf();
 }
 
 std::map<std::string, std::string>& KernelConfigParser::configs() {