diff --git a/cmds/idmap2/tests/Idmap2BinaryTests.cpp b/cmds/idmap2/tests/Idmap2BinaryTests.cpp
index e7e9e4c..a1206f9 100644
--- a/cmds/idmap2/tests/Idmap2BinaryTests.cpp
+++ b/cmds/idmap2/tests/Idmap2BinaryTests.cpp
@@ -93,7 +93,7 @@
                                "--idmap-path", GetIdmapPath()});
   // clang-format on
   ASSERT_THAT(result, NotNull());
-  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr;
+  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr_str;
 
   struct stat st;
   ASSERT_EQ(stat(GetIdmapPath().c_str(), &st), 0);
@@ -119,7 +119,7 @@
                                "--idmap-path", GetIdmapPath()});
   // clang-format on
   ASSERT_THAT(result, NotNull());
-  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr;
+  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr_str;
 
   // clang-format off
   result = ExecuteBinary({"idmap2",
@@ -127,14 +127,14 @@
                           "--idmap-path", GetIdmapPath()});
   // clang-format on
   ASSERT_THAT(result, NotNull());
-  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr;
-  ASSERT_NE(result->stdout.find(R::target::integer::literal::int1 + " -> 0x7f010000"),
+  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr_str;
+  ASSERT_NE(result->stdout_str.find(R::target::integer::literal::int1 + " -> 0x7f010000"),
             std::string::npos);
-  ASSERT_NE(result->stdout.find(R::target::string::literal::str1 + " -> 0x7f020000"),
+  ASSERT_NE(result->stdout_str.find(R::target::string::literal::str1 + " -> 0x7f020000"),
             std::string::npos);
-  ASSERT_NE(result->stdout.find(R::target::string::literal::str3 + " -> 0x7f020001"),
+  ASSERT_NE(result->stdout_str.find(R::target::string::literal::str3 + " -> 0x7f020001"),
             std::string::npos);
-  ASSERT_NE(result->stdout.find(R::target::string::literal::str4 + " -> 0x7f020002"),
+  ASSERT_NE(result->stdout_str.find(R::target::string::literal::str4 + " -> 0x7f020002"),
             std::string::npos);
 
   // clang-format off
@@ -144,8 +144,8 @@
                           "--idmap-path", GetIdmapPath()});
   // clang-format on
   ASSERT_THAT(result, NotNull());
-  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr;
-  ASSERT_NE(result->stdout.find("00000000: 504d4449  magic"), std::string::npos);
+  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr_str;
+  ASSERT_NE(result->stdout_str.find("00000000: 504d4449  magic"), std::string::npos);
 
   // clang-format off
   result = ExecuteBinary({"idmap2",
@@ -170,7 +170,7 @@
                                "--idmap-path", GetIdmapPath()});
   // clang-format on
   ASSERT_THAT(result, NotNull());
-  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr;
+  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr_str;
 
   // clang-format off
   result = ExecuteBinary({"idmap2",
@@ -180,9 +180,9 @@
                           "--resid", R::target::string::literal::str1});
   // clang-format on
   ASSERT_THAT(result, NotNull());
-  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr;
-  ASSERT_NE(result->stdout.find("overlay-1"), std::string::npos);
-  ASSERT_EQ(result->stdout.find("overlay-1-sv"), std::string::npos);
+  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr_str;
+  ASSERT_NE(result->stdout_str.find("overlay-1"), std::string::npos);
+  ASSERT_EQ(result->stdout_str.find("overlay-1-sv"), std::string::npos);
 
   // clang-format off
   result = ExecuteBinary({"idmap2",
@@ -192,9 +192,9 @@
                           "--resid", "test.target:string/str1"});
   // clang-format on
   ASSERT_THAT(result, NotNull());
-  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr;
-  ASSERT_NE(result->stdout.find("overlay-1"), std::string::npos);
-  ASSERT_EQ(result->stdout.find("overlay-1-sv"), std::string::npos);
+  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr_str;
+  ASSERT_NE(result->stdout_str.find("overlay-1"), std::string::npos);
+  ASSERT_EQ(result->stdout_str.find("overlay-1-sv"), std::string::npos);
 
   // clang-format off
   result = ExecuteBinary({"idmap2",
@@ -204,8 +204,8 @@
                           "--resid", "test.target:string/str1"});
   // clang-format on
   ASSERT_THAT(result, NotNull());
-  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr;
-  ASSERT_NE(result->stdout.find("overlay-1-sv"), std::string::npos);
+  ASSERT_EQ(result->status, EXIT_SUCCESS) << result->stderr_str;
+  ASSERT_NE(result->stdout_str.find("overlay-1-sv"), std::string::npos);
 
   unlink(GetIdmapPath().c_str());
 }
diff --git a/core/jni/com_android_internal_content_om_OverlayConfig.cpp b/core/jni/com_android_internal_content_om_OverlayConfig.cpp
index 6aa7c10..b37269c 100644
--- a/core/jni/com_android_internal_content_om_OverlayConfig.cpp
+++ b/core/jni/com_android_internal_content_om_OverlayConfig.cpp
@@ -73,13 +73,13 @@
   }
 
   if (result->status != 0) {
-    LOG(ERROR) << "idmap2: " << result->stderr;
-    return nullptr;
+      LOG(ERROR) << "idmap2: " << result->stderr_str;
+      return nullptr;
   }
 
   // Return the paths of the idmaps created or updated during the idmap invocation.
   std::vector<std::string> idmap_paths;
-  std::istringstream input(result->stdout);
+  std::istringstream input(result->stdout_str);
   std::string path;
   while (std::getline(input, path)) {
     idmap_paths.push_back(path);
diff --git a/libs/androidfw/PosixUtils.cpp b/libs/androidfw/PosixUtils.cpp
index 4ec525a..0269128 100644
--- a/libs/androidfw/PosixUtils.cpp
+++ b/libs/androidfw/PosixUtils.cpp
@@ -114,10 +114,10 @@
       std::unique_ptr<ProcResult> result(new ProcResult());
       result->status = status;
       const auto out = ReadFile(stdout[0]);
-      result->stdout = out ? *out : "";
+      result->stdout_str = out ? *out : "";
       close(stdout[0]);
       const auto err = ReadFile(stderr[0]);
-      result->stderr = err ? *err : "";
+      result->stderr_str = err ? *err : "";
       close(stderr[0]);
       return result;
   }
diff --git a/libs/androidfw/include/androidfw/PosixUtils.h b/libs/androidfw/include/androidfw/PosixUtils.h
index 8fc3ee2..bb20847 100644
--- a/libs/androidfw/include/androidfw/PosixUtils.h
+++ b/libs/androidfw/include/androidfw/PosixUtils.h
@@ -23,8 +23,8 @@
 
 struct ProcResult {
   int status;
-  std::string stdout;
-  std::string stderr;
+  std::string stdout_str;
+  std::string stderr_str;
 };
 
 // Fork, exec and wait for an external process. Return nullptr if the process could not be launched,
diff --git a/libs/androidfw/tests/PosixUtils_test.cpp b/libs/androidfw/tests/PosixUtils_test.cpp
index cf97f87..c7b3eba 100644
--- a/libs/androidfw/tests/PosixUtils_test.cpp
+++ b/libs/androidfw/tests/PosixUtils_test.cpp
@@ -30,14 +30,14 @@
   const auto result = ExecuteBinary({"/bin/date", "--help"});
   ASSERT_THAT(result, NotNull());
   ASSERT_EQ(result->status, 0);
-  ASSERT_EQ(result->stdout.find("usage: date "), 0);
+  ASSERT_EQ(result->stdout_str.find("usage: date "), 0);
 }
 
 TEST(PosixUtilsTest, RelativePathToBinary) {
   const auto result = ExecuteBinary({"date", "--help"});
   ASSERT_THAT(result, NotNull());
   ASSERT_EQ(result->status, 0);
-  ASSERT_EQ(result->stdout.find("usage: date "), 0);
+  ASSERT_EQ(result->stdout_str.find("usage: date "), 0);
 }
 
 TEST(PosixUtilsTest, BadParameters) {