Style Change: NULL->nullptr

src/utils/SkFrontBufferedStream.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkFrontBufferedStream.h"
 #include "SkStream.h"
 #include "SkTemplates.h"
@@ skipping 12 matching lines @@
     bool rewind() override;
 
     bool hasPosition() const override { return true; }
 
     size_t getPosition() const override { return fOffset; }
 
     bool hasLength() const override { return fHasLength; }
 
     size_t getLength() const override { return fLength; }
 
-    SkStreamRewindable* duplicate() const override { return NULL; }
+    SkStreamRewindable* duplicate() const override { return nullptr; }
 
 private:
     SkAutoTDelete<SkStream> fStream;
     const bool              fHasLength;
     const size_t            fLength;
     // Current offset into the stream. Always >= 0.
     size_t                  fOffset;
     // Amount that has been buffered by calls to read. Will always be less than
     // fBufferSize.
     size_t                  fBufferedSoFar;
     // Total size of the buffer.
     const size_t            fBufferSize;
     // FIXME: SkAutoTMalloc throws on failure. Instead, Create should return a
-    // NULL stream.
+    // nullptr stream.
     SkAutoTMalloc<char>     fBuffer;
 
     // Read up to size bytes from already buffered data, and copy to
-    // dst, if non-NULL. Updates fOffset. Assumes that fOffset is less
+    // dst, if non-nullptr. Updates fOffset. Assumes that fOffset is less
     // than fBufferedSoFar.
     size_t readFromBuffer(char* dst, size_t size);
 
     // Buffer up to size bytes from the stream, and copy to dst if non-
-    // NULL. Updates fOffset and fBufferedSoFar. Assumes that fOffset is
+    // nullptr. Updates fOffset and fBufferedSoFar. Assumes that fOffset is
     // less than fBufferedSoFar, and size is greater than 0.
     size_t bufferAndWriteTo(char* dst, size_t size);
 
     // Read up to size bytes directly from the stream and into dst if non-
-    // NULL. Updates fOffset. Assumes fOffset is at or beyond the buffered
+    // nullptr. Updates fOffset. Assumes fOffset is at or beyond the buffered
     // data, and size is greater than 0.
     size_t readDirectlyFromStream(char* dst, size_t size);
 
     typedef SkStream INHERITED;
 };
 
 SkStreamRewindable* SkFrontBufferedStream::Create(SkStream* stream, size_t bufferSize) {
-    if (NULL == stream) {
-        return NULL;
+    if (nullptr == stream) {
+        return nullptr;
     }
     return new FrontBufferedStream(stream, bufferSize);
 }
 
 FrontBufferedStream::FrontBufferedStream(SkStream* stream, size_t bufferSize)
     : fStream(stream)
     , fHasLength(stream->hasPosition() && stream->hasLength())
     , fLength(stream->getLength() - stream->getPosition())
     , fOffset(0)
     , fBufferedSoFar(0)
@@ skipping 18 matching lines @@
     }
     return false;
 }
 
 size_t FrontBufferedStream::readFromBuffer(char* dst, size_t size) {
     SkASSERT(fOffset < fBufferedSoFar);
     // Some data has already been copied to fBuffer. Read up to the
     // lesser of the size requested and the remainder of the buffered
     // data.
     const size_t bytesToCopy = SkTMin(size, fBufferedSoFar - fOffset);
-    if (dst != NULL) {
+    if (dst != nullptr) {
         memcpy(dst, fBuffer + fOffset, bytesToCopy);
     }
 
     // Update fOffset to the new position. It is guaranteed to be
     // within the buffered data.
     fOffset += bytesToCopy;
     SkASSERT(fOffset <= fBufferedSoFar);
 
     return bytesToCopy;
 }
 
 size_t FrontBufferedStream::bufferAndWriteTo(char* dst, size_t size) {
     SkASSERT(size > 0);
     SkASSERT(fOffset >= fBufferedSoFar);
     SkASSERT(fBuffer);
     // Data needs to be buffered. Buffer up to the lesser of the size requested
     // and the remainder of the max buffer size.
     const size_t bytesToBuffer = SkTMin(size, fBufferSize - fBufferedSoFar);
     char* buffer = fBuffer + fOffset;
     const size_t buffered = fStream->read(buffer, bytesToBuffer);
 
     fBufferedSoFar += buffered;
     fOffset = fBufferedSoFar;
     SkASSERT(fBufferedSoFar <= fBufferSize);
 
     // Copy the buffer to the destination buffer and update the amount read.
-    if (dst != NULL) {
+    if (dst != nullptr) {
         memcpy(dst, buffer, buffered);
     }
 
     return buffered;
 }
 
 size_t FrontBufferedStream::readDirectlyFromStream(char* dst, size_t size) {
     SkASSERT(size > 0);
     // If we get here, we have buffered all that can be buffered.
     SkASSERT(fBufferSize == fBufferedSoFar && fOffset >= fBufferSize);
@@ skipping 31 matching lines @@
     const size_t start = fOffset;
 
     // First, read any data that was previously buffered.
     if (fOffset < fBufferedSoFar) {
         const size_t bytesCopied = this->readFromBuffer(dst, size);
 
         // Update the remaining number of bytes needed to read
         // and the destination buffer.
         size -= bytesCopied;
         SkASSERT(size + (fOffset - start) == totalSize);
-        if (dst != NULL) {
+        if (dst != nullptr) {
             dst += bytesCopied;
         }
     }
 
     // Buffer any more data that should be buffered, and copy it to the
     // destination.
     if (size > 0 && fBufferedSoFar < fBufferSize && !fStream->isAtEnd()) {
         const size_t buffered = this->bufferAndWriteTo(dst, size);
 
         // Update the remaining number of bytes needed to read
         // and the destination buffer.
         size -= buffered;
         SkASSERT(size + (fOffset - start) == totalSize);
-        if (dst != NULL) {
+        if (dst != nullptr) {
             dst += buffered;
         }
     }
 
     if (size > 0 && !fStream->isAtEnd()) {
         SkDEBUGCODE(const size_t bytesReadDirectly =) this->readDirectlyFromStream(dst, size);
         SkDEBUGCODE(size -= bytesReadDirectly;)
         SkASSERT(size + (fOffset - start) == totalSize);
     }
 
     return fOffset - start;
 }