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Delete always-zero ByteBufferWriter::start_.

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Likely a left-over since cl https://codereview.webrtc.org/1821083002

BUG=None

Review-Url: https://codereview.webrtc.org/2440083002
Cr-Commit-Position: refs/heads/master@{#14732}
This commit is contained in:
nisse
2016-10-24 01:06:14 -07:00
committed by Commit bot
parent 61c053e329
commit d3c40089fa
2 changed files with 7 additions and 13 deletions
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13
webrtc/base/bytebuffer.cc
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@ -43,7 +43,6 @@ ByteBufferWriter::ByteBufferWriter(const char* bytes, size_t len,
}
void ByteBufferWriter::Construct(const char* bytes, size_t len) {
start_ = 0;
size_ = len;
bytes_ = new char[size_];
@ -119,25 +118,21 @@ char* ByteBufferWriter::ReserveWriteBuffer(size_t len) {
}
void ByteBufferWriter::Resize(size_t size) {
size_t len = std::min(end_ - start_, size);
if (size <= size_) {
// Don't reallocate, just move data backwards
memmove(bytes_, bytes_ + start_, len);
} else {
size_t len = std::min(end_, size);
if (size > size_) {
// Reallocate a larger buffer.
size_ = std::max(size, 3 * size_ / 2);
char* new_bytes = new char[size_];
memcpy(new_bytes, bytes_ + start_, len);
memcpy(new_bytes, bytes_, len);
delete [] bytes_;
bytes_ = new_bytes;
}
start_ = 0;
end_ = len;
}
void ByteBufferWriter::Clear() {
memset(bytes_, 0, size_);
start_ = end_ = 0;
end_ = 0;
}