Replace NULL with nullptr in all C++ files.

webrtc/modules/media_file/media_file_utility.cc

Index: webrtc/modules/media_file/media_file_utility.cc
diff --git a/webrtc/modules/media_file/media_file_utility.cc b/webrtc/modules/media_file/media_file_utility.cc
index ae8d06f634054ef7738167840c6e9a2c45e33a7d..49260471db1fe1e9b964be485bea8fad2883de51 100644
--- a/webrtc/modules/media_file/media_file_utility.cc
+++ b/webrtc/modules/media_file/media_file_utility.cc
@@ -425,11 +425,10 @@ int32_t ModuleFileUtility::ReadWavDataAsMono(
                      "ReadWavDataAsMono: output buffer is too short!");
         return -1;
     }
-    if(outData == NULL)
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id,
-                     "ReadWavDataAsMono: output buffer NULL!");
-        return -1;
+    if (outData == nullptr) {
+      WEBRTC_TRACE(kTraceError, kTraceFile, _id,
+                   "ReadWavDataAsMono: output buffer null!");
+      return -1;
     }
 
     if(!_reading)
@@ -494,12 +493,10 @@ int32_t ModuleFileUtility::ReadWavDataAsStereo(
         outDataRight,
         bufferSize);
 
-    if((outDataLeft == NULL) ||
-       (outDataRight == NULL))
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id,
-                     "ReadWavDataAsMono: an input buffer is NULL!");
-        return -1;
+    if ((outDataLeft == nullptr) || (outDataRight == nullptr)) {
+      WEBRTC_TRACE(kTraceError, kTraceFile, _id,
+                   "ReadWavDataAsMono: an input buffer is null!");
+      return -1;
     }
     if(codec_info_.channels != 2)
     {
@@ -580,12 +577,10 @@ int32_t ModuleFileUtility::ReadWavData(InStream& wav,
                  "ModuleFileUtility::ReadWavData(wav= 0x%x, buffer= 0x%x, "
                  "dataLen= %" PRIuS ")", &wav, buffer, dataLengthInBytes);
 
-
-    if(buffer == NULL)
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id,
-                     "ReadWavDataAsMono: output buffer NULL!");
-        return -1;
+    if (buffer == nullptr) {
+      WEBRTC_TRACE(kTraceError, kTraceFile, _id,
+                   "ReadWavDataAsMono: output buffer null!");
+      return -1;
     }
 
     // Make sure that a read won't return too few samples.
@@ -711,11 +706,10 @@ int32_t ModuleFileUtility::WriteWavData(OutStream& out,
                  "ModuleFileUtility::WriteWavData(out= 0x%x, buf= 0x%x, "
                  "dataLen= %" PRIuS ")", &out, buffer, dataLength);
 
-    if(buffer == NULL)
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id,
-                     "WriteWavData: input buffer NULL!");
-        return -1;
+    if (buffer == nullptr) {
+      WEBRTC_TRACE(kTraceError, kTraceFile, _id,
+                   "WriteWavData: input buffer null!");
+      return -1;
     }
 
     if(!out.Write(buffer, dataLength))
@@ -815,9 +809,8 @@ int32_t ModuleFileUtility::ReadPreEncodedData(
                  "outData= 0x%x, bufferSize= %" PRIuS ")", &in, outData,
                  bufferSize);
 
-    if(outData == NULL)
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id, "output buffer NULL");
+    if (outData == nullptr) {
+      WEBRTC_TRACE(kTraceError, kTraceFile, _id, "output buffer null");
     }
 
     size_t frameLen;
@@ -874,9 +867,8 @@ int32_t ModuleFileUtility::WritePreEncodedData(
                  "inData= 0x%x, dataLen= %" PRIuS ")", &out, buffer,
                  dataLength);
 
-    if(buffer == NULL)
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id,"buffer NULL");
+    if (buffer == nullptr) {
+      WEBRTC_TRACE(kTraceError, kTraceFile, _id, "buffer null");
     }
 
     size_t bytesWritten = 0;
@@ -1119,9 +1111,8 @@ int32_t ModuleFileUtility::WriteCompressedData(
                  "ModuleFileUtility::WriteCompressedData(out= 0x%x, buf= 0x%x, "
                  "dataLen= %" PRIuS ")", &out, buffer, dataLength);
 
-    if(buffer == NULL)
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id,"buffer NULL");
+    if (buffer == nullptr) {
+      WEBRTC_TRACE(kTraceError, kTraceFile, _id, "buffer null");
     }
 
     if(!out.Write(buffer, dataLength))
@@ -1205,9 +1196,8 @@ int32_t ModuleFileUtility::ReadPCMData(InStream& pcm,
                  "ModuleFileUtility::ReadPCMData(pcm= 0x%x, outData= 0x%x, "
                  "bufSize= %" PRIuS ")", &pcm, outData, bufferSize);
 
-    if(outData == NULL)
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id, "buffer NULL");
+    if (outData == nullptr) {
+      WEBRTC_TRACE(kTraceError, kTraceFile, _id, "buffer null");
     }
 
     // Readsize for 10ms of audio data (2 bytes per sample).
@@ -1334,9 +1324,8 @@ int32_t ModuleFileUtility::WritePCMData(OutStream& out,
                  "ModuleFileUtility::WritePCMData(out= 0x%x, buf= 0x%x, "
                  "dataLen= %" PRIuS ")", &out, buffer, dataLength);
 
-    if(buffer == NULL)
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id, "buffer NULL");
+    if (buffer == nullptr) {
+      WEBRTC_TRACE(kTraceError, kTraceFile, _id, "buffer null");
     }
 
     if(!out.Write(buffer, dataLength))
@@ -1434,11 +1423,9 @@ int32_t ModuleFileUtility::FileDurationMs(const char* fileName,
                                           const FileFormats fileFormat,
                                           const uint32_t freqInHz)
 {
-
-    if(fileName == NULL)
-    {
-        WEBRTC_TRACE(kTraceError, kTraceFile, _id, "filename NULL");
-        return -1;
+  if (fileName == nullptr) {
+    WEBRTC_TRACE(kTraceError, kTraceFile, _id, "filename null");
+    return -1;
     }
 
     int32_t time_in_ms = -1;
@@ -1450,11 +1437,10 @@ int32_t ModuleFileUtility::FileDurationMs(const char* fileName,
         return -1;
     }
     FileWrapper* inStreamObj = FileWrapper::Create();
-    if(inStreamObj == NULL)
-    {
-        WEBRTC_TRACE(kTraceMemory, kTraceFile, _id,
-                     "failed to create InStream object!");
-        return -1;
+    if (inStreamObj == nullptr) {
+      WEBRTC_TRACE(kTraceMemory, kTraceFile, _id,
+                   "failed to create InStream object!");
+      return -1;
     }
     if (!inStreamObj->OpenFile(fileName, true)) {
       delete inStreamObj;