diff --git a/bootstat/Android.bp b/bootstat/Android.bp
index 89b4598..d98a9d7 100644
--- a/bootstat/Android.bp
+++ b/bootstat/Android.bp
@@ -16,7 +16,6 @@
 
 bootstat_lib_src_files = [
     "boot_event_record_store.cpp",
-    "event_log_list_builder.cpp",
     "histogram_logger.cpp",
     "uptime_parser.cpp",
 ]
@@ -88,7 +87,6 @@
     ],
     srcs: [
         "boot_event_record_store_test.cpp",
-        "event_log_list_builder_test.cpp",
         "testrunner.cpp",
     ],
 }
diff --git a/bootstat/bootstat.cpp b/bootstat/bootstat.cpp
index e5ddab3..7c0e85d 100644
--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -35,7 +35,6 @@
 #include <cutils/properties.h>
 
 #include "boot_event_record_store.h"
-#include "event_log_list_builder.h" /* ToDo: switch to liblog implementation */
 #include "histogram_logger.h"
 #include "uptime_parser.h"
 
diff --git a/bootstat/event_log_list_builder.cpp b/bootstat/event_log_list_builder.cpp
deleted file mode 100644
index ce540a0..0000000
--- a/bootstat/event_log_list_builder.cpp
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "event_log_list_builder.h"
-
-#include <cinttypes>
-#include <memory>
-#include <string>
-
-#include <log/log.h>
-#include <android-base/logging.h>
-
-namespace {
-
-const size_t MAX_EVENT_PAYLOAD_SIZE = 512 - 1;  // Leave room for final '\n'.
-const size_t EVENT_TYPE_SIZE = 1;  // Size in bytes of the event type marker.
-
-}  // namespace
-
-EventLogListBuilder::EventLogListBuilder()
-    : payload_count_(0),
-      payload_size_(0),
-      payload_(std::make_unique<uint8_t[]>(MAX_EVENT_PAYLOAD_SIZE)) {
-  memset(payload_.get(), 0, MAX_EVENT_PAYLOAD_SIZE);
-
-  // Set up the top-level EventLog data type.
-  AppendByte(EVENT_TYPE_LIST);
-
-  // Skip over the byte prepresenting the number of items in the list. This
-  // value is set in Release().
-  payload_size_++;
-}
-
-bool EventLogListBuilder::Append(int value) {
-  DCHECK_NE(static_cast<uint8_t*>(nullptr), payload_.get());
-
-  if (!IsSpaceAvailable(sizeof(value) + EVENT_TYPE_SIZE)) {
-    return false;
-  }
-
-  AppendByte(EVENT_TYPE_INT);
-  AppendData(&value, sizeof(value));
-
-  payload_count_++;
-  return true;
-}
-
-bool EventLogListBuilder::Append(const std::string& value) {
-  DCHECK_NE(static_cast<uint8_t*>(nullptr), payload_.get());
-
-  int len = value.length();
-  if (!IsSpaceAvailable(sizeof(len) + len)) {
-    return false;
-  }
-
-  AppendByte(EVENT_TYPE_STRING);
-  AppendData(&len, sizeof(len));
-  AppendData(value.c_str(), len);
-
-  payload_count_++;
-  return true;
-}
-
-void EventLogListBuilder::Release(std::unique_ptr<uint8_t[]>* log,
-                                  size_t* size) {
-  // Finalize the log payload.
-  payload_[1] = payload_count_;
-
-  // Return the log payload.
-  *size = payload_size_;
-  *log = std::move(payload_);
-}
-
-void EventLogListBuilder::AppendData(const void* data, size_t size) {
-  DCHECK_LT(payload_size_ + size, MAX_EVENT_PAYLOAD_SIZE);
-  memcpy(&payload_[payload_size_], data, size);
-  payload_size_ += size;
-}
-
-void EventLogListBuilder::AppendByte(uint8_t byte) {
-  DCHECK_LT(payload_size_ + sizeof(byte), MAX_EVENT_PAYLOAD_SIZE);
-  payload_[payload_size_++] = byte;
-}
-
-bool EventLogListBuilder::IsSpaceAvailable(size_t value_size) {
-  size_t space_needed = value_size + EVENT_TYPE_SIZE;
-  if (payload_size_ + space_needed > MAX_EVENT_PAYLOAD_SIZE) {
-    size_t remaining = MAX_EVENT_PAYLOAD_SIZE - payload_size_;
-    LOG(WARNING) << "Not enough space for value. remain=" <<
-        remaining << "; needed=" << space_needed;
-    return false;
-  }
-
-  return true;
-}
diff --git a/bootstat/event_log_list_builder.h b/bootstat/event_log_list_builder.h
deleted file mode 100644
index 4e29b01..0000000
--- a/bootstat/event_log_list_builder.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef EVENT_LOG_LIST_BUILDER_H_
-#define EVENT_LOG_LIST_BUILDER_H_
-
-#include <cstdint>
-#include <memory>
-
-#include <android-base/macros.h>
-
-// EventLogListBuilder provides a mechanism to build an EventLog list
-// consisting of int and string EventLog values.
-//
-// NOTE: This class does not provide the ability to append an embedded list,
-// i.e., a list containing a list.
-class EventLogListBuilder {
- public:
-  EventLogListBuilder();
-
-  // Append a single value of a specified type.
-  bool Append(int value);
-  bool Append(const std::string& value);
-
-  // Finalizes construction of the EventLog list and releases the data
-  // to the caller. Caller takes ownership of the payload. No further calls
-  // to append* may be made once the payload is acquired by the caller.
-  void Release(std::unique_ptr<uint8_t[]>* log, size_t* size);
-
- private:
-  // Appends |data| of the given |size| to the payload.
-  void AppendData(const void* data, size_t size);
-
-  // Appends a single byte to the payload.
-  void AppendByte(uint8_t byte);
-
-  // Returns true iff the remaining capacity in |payload_| is large enough to
-  // accommodate |value_size| bytes. The space required to log the event type
-  // is included in the internal calculation so must not be passed in to
-  // |value_size|.
-  bool IsSpaceAvailable(size_t value_size);
-
-  // The number of items in the EventLog list.
-  size_t payload_count_;
-
-  // The size of the data stored in |payload_|. Used to track where to insert
-  // new data.
-  size_t payload_size_;
-
-  // The payload constructed by calls to log*. The payload may only contain
-  // MAX_EVENT_PAYLOAD (512) bytes.
-  std::unique_ptr<uint8_t[]> payload_;
-
-  DISALLOW_COPY_AND_ASSIGN(EventLogListBuilder);
-};
-
- #endif  // EVENT_LOG_LIST_BUILDER_H_
diff --git a/bootstat/event_log_list_builder_test.cpp b/bootstat/event_log_list_builder_test.cpp
deleted file mode 100644
index 25909b0..0000000
--- a/bootstat/event_log_list_builder_test.cpp
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "event_log_list_builder.h"
-
-#include <inttypes.h>
-
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-#include <log/log.h>
-
-using testing::ElementsAreArray;
-
-TEST(EventLogListBuilder, Empty) {
-  EventLogListBuilder builder;
-
-  const uint8_t EXPECTED_LOG[] = {
-    EVENT_TYPE_LIST,
-    0,  // Number of items in the list.
-  };
-
-  std::unique_ptr<uint8_t[]> log;
-  size_t size;
-  builder.Release(&log, &size);
-  EXPECT_EQ(2U, size);
-
-  uint8_t* log_data = log.get();
-  EXPECT_THAT(std::vector<uint8_t>(log_data, log_data + size),
-              ElementsAreArray(EXPECTED_LOG));
-}
-
-TEST(EventLogListBuilder, SingleInt) {
-  EventLogListBuilder builder;
-
-  const uint8_t EXPECTED_LOG[] = {
-    EVENT_TYPE_LIST,
-    1,                // Number of items in the list.
-    EVENT_TYPE_INT,
-    42, 0, 0, 0,      // 4 byte integer value.
-  };
-
-  builder.Append(42);
-
-  std::unique_ptr<uint8_t[]> log;
-  size_t size;
-  builder.Release(&log, &size);
-  EXPECT_EQ(7U, size);
-
-  uint8_t* log_data = log.get();
-  EXPECT_THAT(std::vector<uint8_t>(log_data, log_data + size),
-              ElementsAreArray(EXPECTED_LOG));
-}
-
-TEST(EventLogListBuilder, SingleString) {
-  EventLogListBuilder builder;
-
-  const uint8_t EXPECTED_LOG[] = {
-    EVENT_TYPE_LIST,
-    1,                        // Number of items in the list.
-    EVENT_TYPE_STRING,
-    5, 0, 0, 0,               // 4 byte length of the string.
-    'D', 'r', 'o', 'i', 'd',
-  };
-
-  builder.Append("Droid");
-
-  std::unique_ptr<uint8_t[]> log;
-  size_t size;
-  builder.Release(&log, &size);
-  EXPECT_EQ(12U, size);
-
-  uint8_t* log_data = log.get();
-  EXPECT_THAT(std::vector<uint8_t>(log_data, log_data + size),
-              ElementsAreArray(EXPECTED_LOG));
-}
-
-TEST(EventLogListBuilder, IntThenString) {
-  EventLogListBuilder builder;
-
-  const uint8_t EXPECTED_LOG[] = {
-    EVENT_TYPE_LIST,
-    2,                        // Number of items in the list.
-    EVENT_TYPE_INT,
-    42, 0, 0, 0,              // 4 byte integer value.
-    EVENT_TYPE_STRING,
-    5, 0, 0, 0,               // 4 byte length of the string.
-    'D', 'r', 'o', 'i', 'd',
-  };
-
-  builder.Append(42);
-  builder.Append("Droid");
-
-  std::unique_ptr<uint8_t[]> log;
-  size_t size;
-  builder.Release(&log, &size);
-  EXPECT_EQ(17U, size);
-
-  uint8_t* log_data = log.get();
-  EXPECT_THAT(std::vector<uint8_t>(log_data, log_data + size),
-              ElementsAreArray(EXPECTED_LOG));
-}
diff --git a/bootstat/histogram_logger.cpp b/bootstat/histogram_logger.cpp
index 4f2386c..6a9ef2b 100644
--- a/bootstat/histogram_logger.cpp
+++ b/bootstat/histogram_logger.cpp
@@ -17,27 +17,16 @@
 #include "histogram_logger.h"
 
 #include <cstdlib>
-#include <memory>
 
 #include <android-base/logging.h>
 #include <log/log.h>
 
-#include "event_log_list_builder.h"
-
 namespace bootstat {
 
 void LogHistogram(const std::string& event, int32_t data) {
   LOG(INFO) << "Logging histogram: " << event << " " << data;
-
-  EventLogListBuilder log_builder;
-  log_builder.Append(event);
-  log_builder.Append(data);
-
-  std::unique_ptr<uint8_t[]> log;
-  size_t size;
-  log_builder.Release(&log, &size);
-
-  android_bWriteLog(HISTOGRAM_LOG_TAG, log.get(), size);
+  android_log_event_context log(HISTOGRAM_LOG_TAG);
+  log << event << data << LOG_ID_EVENTS;
 }
 
 }  // namespace bootstat
diff --git a/include/log/log.h b/include/log/log.h
index 4777ae5..a44aba8 100644
--- a/include/log/log.h
+++ b/include/log/log.h
@@ -29,6 +29,12 @@
 
 #include <log/uio.h> /* helper to define iovec for portability */
 
+#if (defined(__cplusplus) && defined(_USING_LIBCXX))
+extern "C++" {
+#include <string>
+}
+#endif
+
 #include <android/log.h>
 
 #ifdef __cplusplus
@@ -326,6 +332,448 @@
 
 /* --------------------------------------------------------------------- */
 
+/*
+ * Native log reading interface section. See logcat for sample code.
+ *
+ * The preferred API is an exec of logcat. Likely uses of this interface
+ * are if native code suffers from exec or filtration being too costly,
+ * access to raw information, or parsing is an issue.
+ */
+
+/*
+ * The userspace structure for version 1 of the logger_entry ABI.
+ */
+#ifndef __struct_logger_entry_defined
+#define __struct_logger_entry_defined
+struct logger_entry {
+    uint16_t    len;    /* length of the payload */
+    uint16_t    __pad;  /* no matter what, we get 2 bytes of padding */
+    int32_t     pid;    /* generating process's pid */
+    int32_t     tid;    /* generating process's tid */
+    int32_t     sec;    /* seconds since Epoch */
+    int32_t     nsec;   /* nanoseconds */
+#ifndef __cplusplus
+    char        msg[0]; /* the entry's payload */
+#endif
+};
+#endif
+
+/*
+ * The userspace structure for version 2 of the logger_entry ABI.
+ */
+#ifndef __struct_logger_entry_v2_defined
+#define __struct_logger_entry_v2_defined
+struct logger_entry_v2 {
+    uint16_t    len;       /* length of the payload */
+    uint16_t    hdr_size;  /* sizeof(struct logger_entry_v2) */
+    int32_t     pid;       /* generating process's pid */
+    int32_t     tid;       /* generating process's tid */
+    int32_t     sec;       /* seconds since Epoch */
+    int32_t     nsec;      /* nanoseconds */
+    uint32_t    euid;      /* effective UID of logger */
+#ifndef __cplusplus
+    char        msg[0];    /* the entry's payload */
+#endif
+} __attribute__((__packed__));
+#endif
+
+/*
+ * The userspace structure for version 3 of the logger_entry ABI.
+ */
+#ifndef __struct_logger_entry_v3_defined
+#define __struct_logger_entry_v3_defined
+struct logger_entry_v3 {
+    uint16_t    len;       /* length of the payload */
+    uint16_t    hdr_size;  /* sizeof(struct logger_entry_v3) */
+    int32_t     pid;       /* generating process's pid */
+    int32_t     tid;       /* generating process's tid */
+    int32_t     sec;       /* seconds since Epoch */
+    int32_t     nsec;      /* nanoseconds */
+    uint32_t    lid;       /* log id of the payload */
+#ifndef __cplusplus
+    char        msg[0];    /* the entry's payload */
+#endif
+} __attribute__((__packed__));
+#endif
+
+/*
+ * The userspace structure for version 4 of the logger_entry ABI.
+ */
+#ifndef __struct_logger_entry_v4_defined
+#define __struct_logger_entry_v4_defined
+struct logger_entry_v4 {
+    uint16_t    len;       /* length of the payload */
+    uint16_t    hdr_size;  /* sizeof(struct logger_entry_v4) */
+    int32_t     pid;       /* generating process's pid */
+    uint32_t    tid;       /* generating process's tid */
+    uint32_t    sec;       /* seconds since Epoch */
+    uint32_t    nsec;      /* nanoseconds */
+    uint32_t    lid;       /* log id of the payload, bottom 4 bits currently */
+    uint32_t    uid;       /* generating process's uid */
+#ifndef __cplusplus
+    char        msg[0];    /* the entry's payload */
+#endif
+};
+#endif
+
+/* struct log_time is a wire-format variant of struct timespec */
+#define NS_PER_SEC 1000000000ULL
+
+#ifndef __struct_log_time_defined
+#define __struct_log_time_defined
+#ifdef __cplusplus
+
+/*
+ * NB: we did NOT define a copy constructor. This will result in structure
+ * no longer being compatible with pass-by-value which is desired
+ * efficient behavior. Also, pass-by-reference breaks C/C++ ABI.
+ */
+struct log_time {
+public:
+    uint32_t tv_sec; /* good to Feb 5 2106 */
+    uint32_t tv_nsec;
+
+    static const uint32_t tv_sec_max = 0xFFFFFFFFUL;
+    static const uint32_t tv_nsec_max = 999999999UL;
+
+    log_time(const timespec& T)
+    {
+        tv_sec = static_cast<uint32_t>(T.tv_sec);
+        tv_nsec = static_cast<uint32_t>(T.tv_nsec);
+    }
+    log_time(uint32_t sec, uint32_t nsec)
+    {
+        tv_sec = sec;
+        tv_nsec = nsec;
+    }
+#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+#define __struct_log_time_private_defined
+    static const timespec EPOCH;
+#endif
+    log_time()
+    {
+    }
+#ifdef __linux__
+    log_time(clockid_t id)
+    {
+        timespec T;
+        clock_gettime(id, &T);
+        tv_sec = static_cast<uint32_t>(T.tv_sec);
+        tv_nsec = static_cast<uint32_t>(T.tv_nsec);
+    }
+#endif
+    log_time(const char* T)
+    {
+        const uint8_t* c = reinterpret_cast<const uint8_t*>(T);
+        tv_sec = c[0] |
+                 (static_cast<uint32_t>(c[1]) << 8) |
+                 (static_cast<uint32_t>(c[2]) << 16) |
+                 (static_cast<uint32_t>(c[3]) << 24);
+        tv_nsec = c[4] |
+                  (static_cast<uint32_t>(c[5]) << 8) |
+                  (static_cast<uint32_t>(c[6]) << 16) |
+                  (static_cast<uint32_t>(c[7]) << 24);
+    }
+
+    /* timespec */
+    bool operator== (const timespec& T) const
+    {
+        return (tv_sec == static_cast<uint32_t>(T.tv_sec))
+            && (tv_nsec == static_cast<uint32_t>(T.tv_nsec));
+    }
+    bool operator!= (const timespec& T) const
+    {
+        return !(*this == T);
+    }
+    bool operator< (const timespec& T) const
+    {
+        return (tv_sec < static_cast<uint32_t>(T.tv_sec))
+            || ((tv_sec == static_cast<uint32_t>(T.tv_sec))
+                && (tv_nsec < static_cast<uint32_t>(T.tv_nsec)));
+    }
+    bool operator>= (const timespec& T) const
+    {
+        return !(*this < T);
+    }
+    bool operator> (const timespec& T) const
+    {
+        return (tv_sec > static_cast<uint32_t>(T.tv_sec))
+            || ((tv_sec == static_cast<uint32_t>(T.tv_sec))
+                && (tv_nsec > static_cast<uint32_t>(T.tv_nsec)));
+    }
+    bool operator<= (const timespec& T) const
+    {
+        return !(*this > T);
+    }
+
+#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+    log_time operator-= (const timespec& T);
+    log_time operator- (const timespec& T) const
+    {
+        log_time local(*this);
+        return local -= T;
+    }
+    log_time operator+= (const timespec& T);
+    log_time operator+ (const timespec& T) const
+    {
+        log_time local(*this);
+        return local += T;
+    }
+#endif
+
+    /* log_time */
+    bool operator== (const log_time& T) const
+    {
+        return (tv_sec == T.tv_sec) && (tv_nsec == T.tv_nsec);
+    }
+    bool operator!= (const log_time& T) const
+    {
+        return !(*this == T);
+    }
+    bool operator< (const log_time& T) const
+    {
+        return (tv_sec < T.tv_sec)
+            || ((tv_sec == T.tv_sec) && (tv_nsec < T.tv_nsec));
+    }
+    bool operator>= (const log_time& T) const
+    {
+        return !(*this < T);
+    }
+    bool operator> (const log_time& T) const
+    {
+        return (tv_sec > T.tv_sec)
+            || ((tv_sec == T.tv_sec) && (tv_nsec > T.tv_nsec));
+    }
+    bool operator<= (const log_time& T) const
+    {
+        return !(*this > T);
+    }
+
+#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+    log_time operator-= (const log_time& T);
+    log_time operator- (const log_time& T) const
+    {
+        log_time local(*this);
+        return local -= T;
+    }
+    log_time operator+= (const log_time& T);
+    log_time operator+ (const log_time& T) const
+    {
+        log_time local(*this);
+        return local += T;
+    }
+#endif
+
+    uint64_t nsec() const
+    {
+        return static_cast<uint64_t>(tv_sec) * NS_PER_SEC + tv_nsec;
+    }
+
+#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+    static const char default_format[];
+
+    /* Add %#q for the fraction of a second to the standard library functions */
+    char* strptime(const char* s, const char* format = default_format);
+#endif
+} __attribute__((__packed__));
+
+#else
+
+typedef struct log_time {
+    uint32_t tv_sec;
+    uint32_t tv_nsec;
+} __attribute__((__packed__)) log_time;
+
+#endif
+#endif
+
+/*
+ * The maximum size of the log entry payload that can be
+ * written to the logger. An attempt to write more than
+ * this amount will result in a truncated log entry.
+ */
+#define LOGGER_ENTRY_MAX_PAYLOAD 4068
+
+/*
+ * The maximum size of a log entry which can be read from the
+ * kernel logger driver. An attempt to read less than this amount
+ * may result in read() returning EINVAL.
+ */
+#define LOGGER_ENTRY_MAX_LEN    (5*1024)
+
+#ifndef __struct_log_msg_defined
+#define __struct_log_msg_defined
+struct log_msg {
+    union {
+        unsigned char buf[LOGGER_ENTRY_MAX_LEN + 1];
+        struct logger_entry_v4 entry;
+        struct logger_entry_v4 entry_v4;
+        struct logger_entry_v3 entry_v3;
+        struct logger_entry_v2 entry_v2;
+        struct logger_entry    entry_v1;
+    } __attribute__((aligned(4)));
+#ifdef __cplusplus
+    /* Matching log_time operators */
+    bool operator== (const log_msg& T) const
+    {
+        return (entry.sec == T.entry.sec) && (entry.nsec == T.entry.nsec);
+    }
+    bool operator!= (const log_msg& T) const
+    {
+        return !(*this == T);
+    }
+    bool operator< (const log_msg& T) const
+    {
+        return (entry.sec < T.entry.sec)
+            || ((entry.sec == T.entry.sec)
+             && (entry.nsec < T.entry.nsec));
+    }
+    bool operator>= (const log_msg& T) const
+    {
+        return !(*this < T);
+    }
+    bool operator> (const log_msg& T) const
+    {
+        return (entry.sec > T.entry.sec)
+            || ((entry.sec == T.entry.sec)
+             && (entry.nsec > T.entry.nsec));
+    }
+    bool operator<= (const log_msg& T) const
+    {
+        return !(*this > T);
+    }
+    uint64_t nsec() const
+    {
+        return static_cast<uint64_t>(entry.sec) * NS_PER_SEC + entry.nsec;
+    }
+
+    /* packet methods */
+    log_id_t id()
+    {
+        return static_cast<log_id_t>(entry.lid);
+    }
+    char* msg()
+    {
+        unsigned short hdr_size = entry.hdr_size;
+        if (!hdr_size) {
+            hdr_size = sizeof(entry_v1);
+        }
+        if ((hdr_size < sizeof(entry_v1)) || (hdr_size > sizeof(entry))) {
+            return NULL;
+        }
+        return reinterpret_cast<char*>(buf) + hdr_size;
+    }
+    unsigned int len()
+    {
+        return (entry.hdr_size ?
+                    entry.hdr_size :
+                    static_cast<uint16_t>(sizeof(entry_v1))) +
+               entry.len;
+    }
+#endif
+};
+#endif
+
+#ifndef __ANDROID_USE_LIBLOG_READER_INTERFACE
+#ifndef __ANDROID_API__
+#define __ANDROID_USE_LIBLOG_READER_INTERFACE 3
+#elif __ANDROID_API__ > 23 /* > Marshmallow */
+#define __ANDROID_USE_LIBLOG_READER_INTERFACE 3
+#elif __ANDROID_API__ > 22 /* > Lollipop */
+#define __ANDROID_USE_LIBLOG_READER_INTERFACE 2
+#elif __ANDROID_API__ > 19 /* > KitKat */
+#define __ANDROID_USE_LIBLOG_READER_INTERFACE 1
+#else
+#define __ANDROID_USE_LIBLOG_READER_INTERFACE 0
+#endif
+#endif
+
+#if __ANDROID_USE_LIBLOG_READER_INTERFACE
+
+struct logger;
+
+log_id_t android_logger_get_id(struct logger* logger);
+
+int android_logger_clear(struct logger* logger);
+long android_logger_get_log_size(struct logger* logger);
+int android_logger_set_log_size(struct logger* logger, unsigned long size);
+long android_logger_get_log_readable_size(struct logger* logger);
+int android_logger_get_log_version(struct logger* logger);
+
+struct logger_list;
+
+#if __ANDROID_USE_LIBLOG_READER_INTERFACE > 1
+ssize_t android_logger_get_statistics(struct logger_list* logger_list,
+                                      char* buf, size_t len);
+ssize_t android_logger_get_prune_list(struct logger_list* logger_list,
+                                      char* buf, size_t len);
+int android_logger_set_prune_list(struct logger_list* logger_list,
+                                  char* buf, size_t len);
+#endif
+
+#define ANDROID_LOG_RDONLY   O_RDONLY
+#define ANDROID_LOG_WRONLY   O_WRONLY
+#define ANDROID_LOG_RDWR     O_RDWR
+#define ANDROID_LOG_ACCMODE  O_ACCMODE
+#define ANDROID_LOG_NONBLOCK O_NONBLOCK
+#if __ANDROID_USE_LIBLOG_READER_INTERFACE > 2
+#define ANDROID_LOG_WRAP     0x40000000 /* Block until buffer about to wrap */
+#define ANDROID_LOG_WRAP_DEFAULT_TIMEOUT 7200 /* 2 hour default */
+#endif
+#if __ANDROID_USE_LIBLOG_READER_INTERFACE > 1
+#define ANDROID_LOG_PSTORE   0x80000000
+#endif
+
+struct logger_list* android_logger_list_alloc(int mode,
+                                              unsigned int tail,
+                                              pid_t pid);
+struct logger_list* android_logger_list_alloc_time(int mode,
+                                                   log_time start,
+                                                   pid_t pid);
+void android_logger_list_free(struct logger_list* logger_list);
+/* In the purest sense, the following two are orthogonal interfaces */
+int android_logger_list_read(struct logger_list* logger_list,
+                             struct log_msg* log_msg);
+
+/* Multiple log_id_t opens */
+struct logger* android_logger_open(struct logger_list* logger_list,
+                                   log_id_t id);
+#define android_logger_close android_logger_free
+/* Single log_id_t open */
+struct logger_list* android_logger_list_open(log_id_t id,
+                                             int mode,
+                                             unsigned int tail,
+                                             pid_t pid);
+#define android_logger_list_close android_logger_list_free
+
+#endif /* __ANDROID_USE_LIBLOG_READER_INTERFACE */
+
+#ifdef __linux__
+
+#ifndef __ANDROID_USE_LIBLOG_CLOCK_INTERFACE
+#ifndef __ANDROID_API__
+#define __ANDROID_USE_LIBLOG_CLOCK_INTERFACE 1
+#elif __ANDROID_API__ > 22 /* > Lollipop */
+#define __ANDROID_USE_LIBLOG_CLOCK_INTERFACE 1
+#else
+#define __ANDROID_USE_LIBLOG_CLOCK_INTERFACE 0
+#endif
+#endif
+
+#if __ANDROID_USE_LIBLOG_CLOCK_INTERFACE
+clockid_t android_log_clockid();
+#endif
+
+#endif /* __linux__ */
+
+/*
+ * log_id_t helpers
+ */
+log_id_t android_name_to_log_id(const char* logName);
+const char* android_log_id_to_name(log_id_t log_id);
+
+/* --------------------------------------------------------------------- */
+
 #ifndef __ANDROID_USE_LIBLOG_EVENT_INTERFACE
 #ifndef __ANDROID_API__
 #define __ANDROID_USE_LIBLOG_EVENT_INTERFACE 1
@@ -405,6 +853,124 @@
 /* Finished with reader or writer context */
 int android_log_destroy(android_log_context* ctx);
 
+#ifdef __cplusplus
+#ifndef __class_android_log_event_context
+#define __class_android_log_event_context
+/* android_log_context C++ helpers */
+extern "C++" {
+class android_log_event_context {
+    android_log_context ctx;
+    int ret;
+
+    android_log_event_context(const android_log_event_context&) = delete;
+    void operator =(const android_log_event_context&) = delete;
+
+public:
+    explicit android_log_event_context(int tag) : ret(0) {
+        ctx = create_android_logger(static_cast<uint32_t>(tag));
+    }
+    explicit android_log_event_context(log_msg& log_msg) : ret(0) {
+        ctx = create_android_log_parser(log_msg.msg() + sizeof(uint32_t),
+                                        log_msg.entry.len - sizeof(uint32_t));
+    }
+    ~android_log_event_context() { android_log_destroy(&ctx); }
+
+    int close() {
+        int retval = android_log_destroy(&ctx);
+        if (retval < 0) ret = retval;
+        return retval;
+    }
+
+    /* To allow above C calls to use this class as parameter */
+    operator android_log_context() const { return ctx; }
+
+    int status() const { return ret; }
+
+    int begin() {
+        int retval = android_log_write_list_begin(ctx);
+        if (retval < 0) ret = retval;
+        return ret;
+    }
+    int end() {
+        int retval = android_log_write_list_end(ctx);
+        if (retval < 0) ret = retval;
+        return ret;
+    }
+
+    android_log_event_context& operator <<(int32_t value) {
+        int retval = android_log_write_int32(ctx, value);
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+    android_log_event_context& operator <<(uint32_t value) {
+        int retval = android_log_write_int32(ctx, static_cast<int32_t>(value));
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+    android_log_event_context& operator <<(int64_t value) {
+        int retval = android_log_write_int64(ctx, value);
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+    android_log_event_context& operator <<(uint64_t value) {
+        int retval = android_log_write_int64(ctx, static_cast<int64_t>(value));
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+    android_log_event_context& operator <<(const char* value) {
+        int retval = android_log_write_string8(ctx, value);
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+#if defined(_USING_LIBCXX)
+    android_log_event_context& operator <<(const std::string& value) {
+        int retval = android_log_write_string8_len(ctx,
+                                                   value.data(),
+                                                   value.length());
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+#endif
+    android_log_event_context& operator <<(float value) {
+        int retval = android_log_write_float32(ctx, value);
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+
+    int write(log_id_t id = LOG_ID_EVENTS) {
+        int retval = android_log_write_list(ctx, id);
+        if (retval < 0) ret = retval;
+        return ret;
+    }
+
+    int operator <<(log_id_t id) {
+        int retval = android_log_write_list(ctx, id);
+        if (retval < 0) ret = retval;
+        android_log_destroy(&ctx);
+        return ret;
+    }
+
+    /*
+     * Append should be a lesser-used interface, but adds
+     * access to string with length. So we offer all types.
+     */
+    template <typename Tvalue>
+    bool Append(Tvalue value) { *this << value; return ret >= 0; }
+
+    bool Append(const char* value, size_t len) {
+        int retval = android_log_write_string8_len(ctx, value, len);
+        if (retval < 0) ret = retval;
+        return ret >= 0;
+    }
+
+    android_log_list_element read() { return android_log_read_next(ctx); }
+    android_log_list_element peek() { return android_log_peek_next(ctx); }
+
+};
+}
+#endif
+#endif
+
 #endif /* __ANDROID_USE_LIBLOG_EVENT_INTERFACE */
 
 /* --------------------------------------------------------------------- */
diff --git a/include/log/logger.h b/include/log/logger.h
index 65b38de..0e0248e 100644
--- a/include/log/logger.h
+++ b/include/log/logger.h
@@ -1,462 +1 @@
-/*
-**
-** Copyright 2007-2014, The Android Open Source Project
-**
-** This file is dual licensed.  It may be redistributed and/or modified
-** under the terms of the Apache 2.0 License OR version 2 of the GNU
-** General Public License.
-*/
-
-#ifndef _LIBS_LOG_LOGGER_H
-#define _LIBS_LOG_LOGGER_H
-
-#include <stdint.h>
-#include <time.h>
-
-#ifdef __cplusplus
-#include <string>
-#endif
-
 #include <log/log.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * The userspace structure for version 1 of the logger_entry ABI.
- * This structure is returned to userspace by the kernel logger
- * driver unless an upgrade to a newer ABI version is requested.
- */
-struct logger_entry {
-    uint16_t    len;    /* length of the payload */
-    uint16_t    __pad;  /* no matter what, we get 2 bytes of padding */
-    int32_t     pid;    /* generating process's pid */
-    int32_t     tid;    /* generating process's tid */
-    int32_t     sec;    /* seconds since Epoch */
-    int32_t     nsec;   /* nanoseconds */
-    char        msg[0]; /* the entry's payload */
-} __attribute__((__packed__));
-
-/*
- * The userspace structure for version 2 of the logger_entry ABI.
- * This structure is returned to userspace if ioctl(LOGGER_SET_VERSION)
- * is called with version==2; or used with the user space log daemon.
- */
-struct logger_entry_v2 {
-    uint16_t    len;       /* length of the payload */
-    uint16_t    hdr_size;  /* sizeof(struct logger_entry_v2) */
-    int32_t     pid;       /* generating process's pid */
-    int32_t     tid;       /* generating process's tid */
-    int32_t     sec;       /* seconds since Epoch */
-    int32_t     nsec;      /* nanoseconds */
-    uint32_t    euid;      /* effective UID of logger */
-    char        msg[0];    /* the entry's payload */
-} __attribute__((__packed__));
-
-struct logger_entry_v3 {
-    uint16_t    len;       /* length of the payload */
-    uint16_t    hdr_size;  /* sizeof(struct logger_entry_v3) */
-    int32_t     pid;       /* generating process's pid */
-    int32_t     tid;       /* generating process's tid */
-    int32_t     sec;       /* seconds since Epoch */
-    int32_t     nsec;      /* nanoseconds */
-    uint32_t    lid;       /* log id of the payload */
-    char        msg[0];    /* the entry's payload */
-} __attribute__((__packed__));
-
-struct logger_entry_v4 {
-    uint16_t    len;       /* length of the payload */
-    uint16_t    hdr_size;  /* sizeof(struct logger_entry_v4) */
-    int32_t     pid;       /* generating process's pid */
-    uint32_t    tid;       /* generating process's tid */
-    uint32_t    sec;       /* seconds since Epoch */
-    uint32_t    nsec;      /* nanoseconds */
-    uint32_t    lid;       /* log id of the payload, bottom 4 bits currently */
-    uint32_t    uid;       /* generating process's uid */
-    char        msg[0];    /* the entry's payload */
-} __attribute__((__packed__));
-
-/* struct log_time is a wire-format variant of struct timespec */
-#define NS_PER_SEC 1000000000ULL
-
-#ifdef __cplusplus
-
-// NB: do NOT define a copy constructor. This will result in structure
-// no longer being compatible with pass-by-value which is desired
-// efficient behavior. Also, pass-by-reference breaks C/C++ ABI.
-struct log_time {
-public:
-    uint32_t tv_sec; // good to Feb 5 2106
-    uint32_t tv_nsec;
-
-    static const uint32_t tv_sec_max = 0xFFFFFFFFUL;
-    static const uint32_t tv_nsec_max = 999999999UL;
-
-    log_time(const timespec &T)
-    {
-        tv_sec = T.tv_sec;
-        tv_nsec = T.tv_nsec;
-    }
-    log_time(uint32_t sec, uint32_t nsec)
-    {
-        tv_sec = sec;
-        tv_nsec = nsec;
-    }
-    static const timespec EPOCH;
-    log_time()
-    {
-    }
-#ifdef __linux__
-    log_time(clockid_t id)
-    {
-        timespec T;
-        clock_gettime(id, &T);
-        tv_sec = T.tv_sec;
-        tv_nsec = T.tv_nsec;
-    }
-#endif
-    log_time(const char *T)
-    {
-        const uint8_t *c = (const uint8_t *) T;
-        tv_sec = c[0] | (c[1] << 8) | (c[2] << 16) | (c[3] << 24);
-        tv_nsec = c[4] | (c[5] << 8) | (c[6] << 16) | (c[7] << 24);
-    }
-
-    // timespec
-    bool operator== (const timespec &T) const
-    {
-        return (tv_sec == static_cast<uint32_t>(T.tv_sec))
-            && (tv_nsec == static_cast<uint32_t>(T.tv_nsec));
-    }
-    bool operator!= (const timespec &T) const
-    {
-        return !(*this == T);
-    }
-    bool operator< (const timespec &T) const
-    {
-        return (tv_sec < static_cast<uint32_t>(T.tv_sec))
-            || ((tv_sec == static_cast<uint32_t>(T.tv_sec))
-                && (tv_nsec < static_cast<uint32_t>(T.tv_nsec)));
-    }
-    bool operator>= (const timespec &T) const
-    {
-        return !(*this < T);
-    }
-    bool operator> (const timespec &T) const
-    {
-        return (tv_sec > static_cast<uint32_t>(T.tv_sec))
-            || ((tv_sec == static_cast<uint32_t>(T.tv_sec))
-                && (tv_nsec > static_cast<uint32_t>(T.tv_nsec)));
-    }
-    bool operator<= (const timespec &T) const
-    {
-        return !(*this > T);
-    }
-    log_time operator-= (const timespec &T);
-    log_time operator- (const timespec &T) const
-    {
-        log_time local(*this);
-        return local -= T;
-    }
-    log_time operator+= (const timespec &T);
-    log_time operator+ (const timespec &T) const
-    {
-        log_time local(*this);
-        return local += T;
-    }
-
-    // log_time
-    bool operator== (const log_time &T) const
-    {
-        return (tv_sec == T.tv_sec) && (tv_nsec == T.tv_nsec);
-    }
-    bool operator!= (const log_time &T) const
-    {
-        return !(*this == T);
-    }
-    bool operator< (const log_time &T) const
-    {
-        return (tv_sec < T.tv_sec)
-            || ((tv_sec == T.tv_sec) && (tv_nsec < T.tv_nsec));
-    }
-    bool operator>= (const log_time &T) const
-    {
-        return !(*this < T);
-    }
-    bool operator> (const log_time &T) const
-    {
-        return (tv_sec > T.tv_sec)
-            || ((tv_sec == T.tv_sec) && (tv_nsec > T.tv_nsec));
-    }
-    bool operator<= (const log_time &T) const
-    {
-        return !(*this > T);
-    }
-    log_time operator-= (const log_time &T);
-    log_time operator- (const log_time &T) const
-    {
-        log_time local(*this);
-        return local -= T;
-    }
-    log_time operator+= (const log_time &T);
-    log_time operator+ (const log_time &T) const
-    {
-        log_time local(*this);
-        return local += T;
-    }
-
-    uint64_t nsec() const
-    {
-        return static_cast<uint64_t>(tv_sec) * NS_PER_SEC + tv_nsec;
-    }
-
-    static const char default_format[];
-
-    // Add %#q for the fraction of a second to the standard library functions
-    char *strptime(const char *s, const char *format = default_format);
-} __attribute__((__packed__));
-
-#else
-
-typedef struct log_time {
-    uint32_t tv_sec;
-    uint32_t tv_nsec;
-} __attribute__((__packed__)) log_time;
-
-#endif
-
-/*
- * The maximum size of the log entry payload that can be
- * written to the logger. An attempt to write more than
- * this amount will result in a truncated log entry.
- */
-#define LOGGER_ENTRY_MAX_PAYLOAD 4068
-
-/*
- * The maximum size of a log entry which can be read from the
- * kernel logger driver. An attempt to read less than this amount
- * may result in read() returning EINVAL.
- */
-#define LOGGER_ENTRY_MAX_LEN    (5*1024)
-
-struct log_msg {
-    union {
-        unsigned char buf[LOGGER_ENTRY_MAX_LEN + 1];
-        struct logger_entry_v4 entry;
-        struct logger_entry_v4 entry_v4;
-        struct logger_entry_v3 entry_v3;
-        struct logger_entry_v2 entry_v2;
-        struct logger_entry    entry_v1;
-    } __attribute__((aligned(4)));
-#ifdef __cplusplus
-    /* Matching log_time operators */
-    bool operator== (const log_msg &T) const
-    {
-        return (entry.sec == T.entry.sec) && (entry.nsec == T.entry.nsec);
-    }
-    bool operator!= (const log_msg &T) const
-    {
-        return !(*this == T);
-    }
-    bool operator< (const log_msg &T) const
-    {
-        return (entry.sec < T.entry.sec)
-            || ((entry.sec == T.entry.sec)
-             && (entry.nsec < T.entry.nsec));
-    }
-    bool operator>= (const log_msg &T) const
-    {
-        return !(*this < T);
-    }
-    bool operator> (const log_msg &T) const
-    {
-        return (entry.sec > T.entry.sec)
-            || ((entry.sec == T.entry.sec)
-             && (entry.nsec > T.entry.nsec));
-    }
-    bool operator<= (const log_msg &T) const
-    {
-        return !(*this > T);
-    }
-    uint64_t nsec() const
-    {
-        return static_cast<uint64_t>(entry.sec) * NS_PER_SEC + entry.nsec;
-    }
-
-    /* packet methods */
-    log_id_t id()
-    {
-        return (log_id_t) entry.lid;
-    }
-    char *msg()
-    {
-        unsigned short hdr_size = entry.hdr_size;
-        if (!hdr_size) {
-            hdr_size = sizeof(entry_v1);
-        }
-        if ((hdr_size < sizeof(entry_v1)) || (hdr_size > sizeof(entry))) {
-            return NULL;
-        }
-        return (char *) buf + hdr_size;
-    }
-    unsigned int len()
-    {
-        return (entry.hdr_size ? entry.hdr_size : sizeof(entry_v1)) + entry.len;
-    }
-#endif
-};
-
-struct logger;
-
-log_id_t android_logger_get_id(struct logger *logger);
-
-int android_logger_clear(struct logger *logger);
-long android_logger_get_log_size(struct logger *logger);
-int android_logger_set_log_size(struct logger *logger, unsigned long size);
-long android_logger_get_log_readable_size(struct logger *logger);
-int android_logger_get_log_version(struct logger *logger);
-
-struct logger_list;
-
-ssize_t android_logger_get_statistics(struct logger_list *logger_list,
-                                      char *buf, size_t len);
-ssize_t android_logger_get_prune_list(struct logger_list *logger_list,
-                                      char *buf, size_t len);
-int android_logger_set_prune_list(struct logger_list *logger_list,
-                                  char *buf, size_t len);
-
-#define ANDROID_LOG_RDONLY   O_RDONLY
-#define ANDROID_LOG_WRONLY   O_WRONLY
-#define ANDROID_LOG_RDWR     O_RDWR
-#define ANDROID_LOG_ACCMODE  O_ACCMODE
-#define ANDROID_LOG_NONBLOCK O_NONBLOCK
-#define ANDROID_LOG_WRAP     0x40000000 /* Block until buffer about to wrap */
-#define ANDROID_LOG_WRAP_DEFAULT_TIMEOUT 7200 /* 2 hour default */
-#define ANDROID_LOG_PSTORE   0x80000000
-
-struct logger_list *android_logger_list_alloc(int mode,
-                                              unsigned int tail,
-                                              pid_t pid);
-struct logger_list *android_logger_list_alloc_time(int mode,
-                                                   log_time start,
-                                                   pid_t pid);
-void android_logger_list_free(struct logger_list *logger_list);
-/* In the purest sense, the following two are orthogonal interfaces */
-int android_logger_list_read(struct logger_list *logger_list,
-                             struct log_msg *log_msg);
-
-/* Multiple log_id_t opens */
-struct logger *android_logger_open(struct logger_list *logger_list,
-                                   log_id_t id);
-#define android_logger_close android_logger_free
-/* Single log_id_t open */
-struct logger_list *android_logger_list_open(log_id_t id,
-                                             int mode,
-                                             unsigned int tail,
-                                             pid_t pid);
-#define android_logger_list_close android_logger_list_free
-
-#ifdef __linux__
-clockid_t android_log_clockid();
-#endif
-
-/*
- * log_id_t helpers
- */
-log_id_t android_name_to_log_id(const char *logName);
-const char *android_log_id_to_name(log_id_t log_id);
-
-#ifdef __cplusplus
-// android_log_context C++ helpers
-class android_log_event_context {
-    android_log_context ctx;
-    int ret;
-
-public:
-    explicit android_log_event_context(int tag) : ret(0) {
-        ctx = create_android_logger(tag);
-    }
-    explicit android_log_event_context(log_msg& log_msg) : ret(0) {
-        ctx = create_android_log_parser(log_msg.msg() + sizeof(uint32_t),
-                                        log_msg.entry.len - sizeof(uint32_t));
-    }
-    ~android_log_event_context() { android_log_destroy(&ctx); }
-
-    int close() {
-        int retval = android_log_destroy(&ctx);
-        if (retval < 0) ret = retval;
-        return retval;
-    }
-
-    // To allow above C calls to use this class as parameter
-    operator android_log_context() const { return ctx; };
-
-    int error() const { return ret; }
-
-    int begin() {
-        int retval = android_log_write_list_begin(ctx);
-        if (retval < 0) ret = retval;
-        return ret;
-    }
-    int end() {
-        int retval = android_log_write_list_end(ctx);
-        if (retval < 0) ret = retval;
-        return ret;
-    }
-
-    android_log_event_context& operator <<(int32_t value) {
-        int retval = android_log_write_int32(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(uint32_t value) {
-        int retval = android_log_write_int32(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(int64_t value) {
-        int retval = android_log_write_int64(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(uint64_t value) {
-        int retval = android_log_write_int64(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(const char* value) {
-        int retval = android_log_write_string8(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(std::string& value) {
-        int retval = android_log_write_string8_len(ctx,
-                                                   value.data(),
-                                                   value.length());
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(float value) {
-        int retval = android_log_write_float32(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-
-    int write(log_id_t id) {
-        int retval = android_log_write_list(ctx, id);
-        if (retval < 0) ret = retval;
-        return ret;
-    }
-
-    android_log_list_element read() { return android_log_read_next(ctx); }
-    android_log_list_element peak() { return android_log_peek_next(ctx); }
-
-};
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _LIBS_LOG_LOGGER_H */
diff --git a/include/log/logprint.h b/include/log/logprint.h
index e5cd1de..493f9f8 100644
--- a/include/log/logprint.h
+++ b/include/log/logprint.h
@@ -21,7 +21,6 @@
 
 #include <android/log.h>
 #include <log/event_tag_map.h>
-#include <log/logger.h> /* struct logger_entry */
 
 #ifdef __cplusplus
 extern "C" {
@@ -58,24 +57,24 @@
     int32_t uid;
     int32_t pid;
     int32_t tid;
-    const char * tag;
+    const char* tag;
     size_t tagLen;
     size_t messageLen;
-    const char * message;
+    const char* message;
 } AndroidLogEntry;
 
-AndroidLogFormat *android_log_format_new();
+AndroidLogFormat* android_log_format_new();
 
-void android_log_format_free(AndroidLogFormat *p_format);
+void android_log_format_free(AndroidLogFormat* p_format);
 
 /* currently returns 0 if format is a modifier, 1 if not */
-int android_log_setPrintFormat(AndroidLogFormat *p_format,
+int android_log_setPrintFormat(AndroidLogFormat* p_format,
         AndroidLogPrintFormat format);
 
 /**
  * Returns FORMAT_OFF on invalid string
  */
-AndroidLogPrintFormat android_log_formatFromString(const char *s);
+AndroidLogPrintFormat android_log_formatFromString(const char* s);
 
 /**
  * filterExpression: a single filter expression
@@ -87,9 +86,8 @@
  *
  */
 
-int android_log_addFilterRule(AndroidLogFormat *p_format,
-        const char *filterExpression);
-
+int android_log_addFilterRule(AndroidLogFormat* p_format,
+        const char* filterExpression);
 
 /**
  * filterString: a whitespace-separated set of filter expressions
@@ -101,17 +99,15 @@
  *
  */
 
-int android_log_addFilterString(AndroidLogFormat *p_format,
-        const char *filterString);
-
+int android_log_addFilterString(AndroidLogFormat* p_format,
+        const char* filterString);
 
 /**
  * returns 1 if this log line should be printed based on its priority
  * and tag, and 0 if it should not
  */
 int android_log_shouldPrintLine (
-        AndroidLogFormat *p_format, const char *tag, android_LogPriority pri);
-
+        AndroidLogFormat* p_format, const char* tag, android_LogPriority pri);
 
 /**
  * Splits a wire-format buffer into an AndroidLogEntry
@@ -120,8 +116,8 @@
  * Returns 0 on success and -1 on invalid wire format (entry will be
  * in unspecified state)
  */
-int android_log_processLogBuffer(struct logger_entry *buf,
-                                 AndroidLogEntry *entry);
+int android_log_processLogBuffer(struct logger_entry* buf,
+                                 AndroidLogEntry* entry);
 
 /**
  * Like android_log_processLogBuffer, but for binary logs.
@@ -129,11 +125,10 @@
  * If "map" is non-NULL, it will be used to convert the log tag number
  * into a string.
  */
-int android_log_processBinaryLogBuffer(struct logger_entry *buf,
-    AndroidLogEntry *entry, const EventTagMap* map, char* messageBuf,
+int android_log_processBinaryLogBuffer(struct logger_entry* buf,
+    AndroidLogEntry* entry, const EventTagMap* map, char* messageBuf,
     int messageBufLen);
 
-
 /**
  * Formats a log message into a buffer
  *
@@ -142,13 +137,12 @@
  * Returns NULL on malloc error
  */
 
-char *android_log_formatLogLine (
-    AndroidLogFormat *p_format,
-    char *defaultBuffer,
+char* android_log_formatLogLine (
+    AndroidLogFormat* p_format,
+    char* defaultBuffer,
     size_t defaultBufferSize,
-    const AndroidLogEntry *p_line,
-    size_t *p_outLength);
-
+    const AndroidLogEntry* p_line,
+    size_t* p_outLength);
 
 /**
  * Either print or do not print log line, based on filter
@@ -157,14 +151,12 @@
  *
  */
 int android_log_printLogLine(
-    AndroidLogFormat *p_format,
+    AndroidLogFormat* p_format,
     int fd,
-    const AndroidLogEntry *entry);
-
+    const AndroidLogEntry* entry);
 
 #ifdef __cplusplus
 }
 #endif
 
-
 #endif /*_LOGPRINT_H*/
diff --git a/include/private/android_logger.h b/include/private/android_logger.h
index 02764d3..f3c6cf7 100644
--- a/include/private/android_logger.h
+++ b/include/private/android_logger.h
@@ -25,8 +25,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <android/log.h>
-#include <log/logger.h> /* log_time */
+#include <log/log.h>
 
 #define LOGGER_MAGIC 'l'
 
@@ -110,8 +109,8 @@
 ssize_t __android_log_pmsg_file_write(
         log_id_t logId,
         char prio,
-        const char *filename,
-        const char *buf, size_t len);
+        const char* filename,
+        const char* buf, size_t len);
 
 #define LOG_ID_ANY      ((log_id_t)-1)
 #define ANDROID_LOG_ANY ANDROID_LOG_UNKNOWN
@@ -120,15 +119,15 @@
 typedef ssize_t (*__android_log_pmsg_file_read_fn)(
         log_id_t logId,
         char prio,
-        const char *filename,
-        const char *buf, size_t len, void *arg);
+        const char* filename,
+        const char* buf, size_t len, void* arg);
 
 ssize_t __android_log_pmsg_file_read(
-        log_id_t logId, char prio, const char *prefix,
-        __android_log_pmsg_file_read_fn fn, void *arg);
+        log_id_t logId, char prio, const char* prefix,
+        __android_log_pmsg_file_read_fn fn, void* arg);
 
-int __android_log_security_bwrite(int32_t tag, const void *payload, size_t len);
-int __android_log_security_bswrite(int32_t tag, const char *payload);
+int __android_log_security_bwrite(int32_t tag, const void* payload, size_t len);
+int __android_log_security_bswrite(int32_t tag, const char* payload);
 int __android_log_security(); /* Device Owner is present */
 
 int __android_log_is_debuggable();
@@ -139,7 +138,7 @@
 #define BOOL_DEFAULT_FLAG_PERSIST    0x2 /* <key>, persist.<key>, ro.<key>  */
 #define BOOL_DEFAULT_FLAG_ENG        0x4 /* off for user                    */
 #define BOOL_DEFAULT_FLAG_SVELTE     0x8 /* off for low_ram                 */
-bool __android_logger_property_get_bool(const char *key, int flag);
+bool __android_logger_property_get_bool(const char* key, int flag);
 
 #define LOG_BUFFER_SIZE (256 * 1024) /* Tuned with ro.logd.size per-platform */
 #define LOG_BUFFER_MIN_SIZE (64 * 1024UL)
diff --git a/liblog/README b/liblog/README
index dd37832..610338c 100644
--- a/liblog/README
+++ b/liblog/README
@@ -62,9 +62,7 @@
        LOG_EVENT_INT(tag, value)
        LOG_EVENT_LONG(tag, value)
 
-       Link with -llog
-
-       #include <log/logger.h>
+       clockid_t android_log_clockid()
 
        log_id_t android_logger_get_id(struct logger *logger)
        int android_logger_clear(struct logger *logger)
diff --git a/liblog/log_time.cpp b/liblog/log_time.cpp
index c8bd27d..dfd2d44 100644
--- a/liblog/log_time.cpp
+++ b/liblog/log_time.cpp
@@ -19,7 +19,7 @@
 #include <stdio.h>
 #include <string.h>
 
-#include <log/logger.h>
+#include <private/android_logger.h>
 
 #include "log_portability.h"
 
diff --git a/liblog/logger.h b/liblog/logger.h
index fb47786..50d1cb4 100644
--- a/liblog/logger.h
+++ b/liblog/logger.h
@@ -20,9 +20,8 @@
 #include <stdatomic.h>
 #include <stdbool.h>
 
-#include <android/log.h>
 #include <cutils/list.h>
-#include <log/logger.h>
+#include <log/log.h>
 #include <log/uio.h>
 
 #include "log_portability.h"
diff --git a/liblog/logger_name.c b/liblog/logger_name.c
index 12e263a..5c4feaf 100644
--- a/liblog/logger_name.c
+++ b/liblog/logger_name.c
@@ -16,8 +16,7 @@
 
 #include <string.h>
 
-#include <android/log.h>
-#include <log/logger.h>
+#include <log/log.h>
 
 #include "log_portability.h"
 
diff --git a/liblog/logprint.c b/liblog/logprint.c
index f9b14bd..1ff7136 100644
--- a/liblog/logprint.c
+++ b/liblog/logprint.c
@@ -31,9 +31,8 @@
 #include <sys/param.h>
 #include <sys/types.h>
 
-#include <android/log.h>
 #include <cutils/list.h>
-#include <log/logger.h>
+#include <log/log.h>
 #include <log/logprint.h>
 
 #include "log_portability.h"
diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
index d1a23ae..51d1a3a 100644
--- a/logcat/logcat.cpp
+++ b/logcat/logcat.cpp
@@ -25,15 +25,14 @@
 #include <memory>
 #include <string>
 
-#include <android/log.h>
 #include <android-base/file.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <cutils/sched_policy.h>
 #include <cutils/sockets.h>
 #include <log/event_tag_map.h>
-#include <log/logger.h>
 #include <log/logprint.h>
+#include <private/android_logger.h>
 #include <system/thread_defs.h>
 
 #include <pcrecpp.h>
diff --git a/logcat/tests/logcat_test.cpp b/logcat/tests/logcat_test.cpp
index 66800b1..1baaf11 100644
--- a/logcat/tests/logcat_test.cpp
+++ b/logcat/tests/logcat_test.cpp
@@ -26,9 +26,8 @@
 
 #include <memory>
 
-#include <android/log.h>
 #include <gtest/gtest.h>
-#include <log/logger.h>
+#include <log/log.h>
 
 #define BIG_BUFFER (5 * 1024)
 
diff --git a/logd/FlushCommand.h b/logd/FlushCommand.h
index a6cdf9d..1e7818a 100644
--- a/logd/FlushCommand.h
+++ b/logd/FlushCommand.h
@@ -16,7 +16,7 @@
 #ifndef _FLUSH_COMMAND_H
 #define _FLUSH_COMMAND_H
 
-#include <log/logger.h>
+#include <android/log.h>
 #include <sysutils/SocketClientCommand.h>
 
 class LogBufferElement;
diff --git a/logd/LogBufferElement.h b/logd/LogBufferElement.h
index f089550..2c7fd44 100644
--- a/logd/LogBufferElement.h
+++ b/logd/LogBufferElement.h
@@ -21,9 +21,8 @@
 #include <stdlib.h>
 #include <sys/types.h>
 
-#include <android/log.h>
+#include <log/log.h>
 #include <sysutils/SocketClient.h>
-#include <log/logger.h>
 
 class LogBuffer;
 
diff --git a/logd/LogKlog.cpp b/logd/LogKlog.cpp
index ef6c1ae..fe08846 100644
--- a/logd/LogKlog.cpp
+++ b/logd/LogKlog.cpp
@@ -25,7 +25,7 @@
 #include <sys/uio.h>
 #include <syslog.h>
 
-#include <log/logger.h>
+#include <private/android_logger.h>
 #include <private/android_filesystem_config.h>
 
 #include "LogBuffer.h"
diff --git a/logd/LogKlog.h b/logd/LogKlog.h
index 6e150e7..d812436 100644
--- a/logd/LogKlog.h
+++ b/logd/LogKlog.h
@@ -17,7 +17,7 @@
 #ifndef _LOGD_LOG_KLOG_H__
 #define _LOGD_LOG_KLOG_H__
 
-#include <log/logger.h>
+#include <private/android_logger.h>
 #include <sysutils/SocketListener.h>
 
 char *log_strntok_r(char *s, size_t *len, char **saveptr, size_t *sublen);
diff --git a/logd/LogReader.cpp b/logd/LogReader.cpp
index 2c07984..61d4c49 100644
--- a/logd/LogReader.cpp
+++ b/logd/LogReader.cpp
@@ -21,6 +21,7 @@
 #include <sys/types.h>
 
 #include <cutils/sockets.h>
+#include <private/android_logger.h>
 
 #include "FlushCommand.h"
 #include "LogBuffer.h"
diff --git a/logd/LogStatistics.cpp b/logd/LogStatistics.cpp
index f69bc50..d68bfee 100644
--- a/logd/LogStatistics.cpp
+++ b/logd/LogStatistics.cpp
@@ -23,7 +23,7 @@
 
 #include <list>
 
-#include <log/logger.h>
+#include <android/log.h>
 
 #include "LogStatistics.h"
 
diff --git a/logd/LogTimes.h b/logd/LogTimes.h
index 8401953..12df994 100644
--- a/logd/LogTimes.h
+++ b/logd/LogTimes.h
@@ -23,7 +23,7 @@
 
 #include <list>
 
-#include <android/log.h>
+#include <log/log.h>
 #include <sysutils/SocketClient.h>
 
 class LogReader;
diff --git a/logd/LogUtils.h b/logd/LogUtils.h
index d6b3dc6..44ac742 100644
--- a/logd/LogUtils.h
+++ b/logd/LogUtils.h
@@ -20,8 +20,8 @@
 #include <sys/cdefs.h>
 #include <sys/types.h>
 
+#include <private/android_logger.h>
 #include <sysutils/SocketClient.h>
-#include <log/log.h>
 
 // Hijack this header as a common include file used by most all sources
 // to report some utilities defined here and there.
diff --git a/logd/tests/logd_test.cpp b/logd/tests/logd_test.cpp
index cac8bce..e0a4cc3 100644
--- a/logd/tests/logd_test.cpp
+++ b/logd/tests/logd_test.cpp
@@ -23,11 +23,10 @@
 
 #include <string>
 
-#include <android/log.h>
 #include <android-base/stringprintf.h>
 #include <cutils/sockets.h>
 #include <gtest/gtest.h>
-#include <log/logger.h>
+#include <log/log.h>
 
 #include "../LogReader.h" // pickup LOGD_SNDTIMEO