commit 06bd5862b18e0b750a709f7f8a1d277f1f6d0c99
author Elliott Hughes <enh@google.com> Fri Jul 28 16:27:49 2017 -0700
committer Elliott Hughes <enh@google.com> Fri Jul 28 16:34:38 2017 -0700
tree f6d0db8de8f67383aa97056e6c73fb2c7be1b402
parent bafa1985eccaac231ade6f15d340759f44928524

POSIX getlogin_r/LOGIN_NAME_MAX/TTY_NAME_MAX.

Bug: N/A
Test: ran tests
Change-Id: I97c8ecc82fb09c3fa4bb5e6f000d46f04f3d1702

tests/unistd_test.cpp

diff --git a/tests/unistd_test.cpp b/tests/unistd_test.cpp
index a81f112..8dbcd4a 100644
--- a/tests/unistd_test.cpp
+++ b/tests/unistd_test.cpp
@@ -1372,3 +1372,10 @@
   ASSERT_EXIT(execve("/system/bin/run-as", args, envs), testing::ExitedWithCode(1),
               "<unknown>: usage: run-as");
 }
+
+TEST(UNISTD_TEST, getlogin_r) {
+  char buf[LOGIN_NAME_MAX] = {};
+  EXPECT_EQ(ERANGE, getlogin_r(buf, 0));
+  EXPECT_EQ(0, getlogin_r(buf, sizeof(buf)));
+  EXPECT_STREQ(getlogin(), buf);
+}