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minor SharedBuffer clean-up

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Change-Id: If38b7ce85806ae628c00f2c938de4e3f75142543
This commit is contained in:
Mathias Agopian 2012-08-31 16:20:23 -07:00
parent 2401ead700
commit 50f262fe56
2 changed files with 15 additions and 24 deletions
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25
include/utils/SharedBuffer.h
View File

@ -45,9 +45,6 @@ public:
*/
static ssize_t dealloc(const SharedBuffer* released);
//! get the SharedBuffer from the data pointer
static inline const SharedBuffer* sharedBuffer(const void* data);
//! access the data for read
inline const void* data() const;
@ -94,7 +91,8 @@ public:
private:
inline SharedBuffer() { }
inline ~SharedBuffer() { }
inline SharedBuffer(const SharedBuffer&);
SharedBuffer(const SharedBuffer&);
SharedBuffer& operator = (const SharedBuffer&);
// 16 bytes. must be sized to preserve correct alignment.
mutable int32_t mRefs;
@ -104,10 +102,6 @@ private:
// ---------------------------------------------------------------------------
const SharedBuffer* SharedBuffer::sharedBuffer(const void* data) {
return data ? reinterpret_cast<const SharedBuffer *>(data)-1 : 0;
}
const void* SharedBuffer::data() const {
return this + 1;
}
@ -120,19 +114,16 @@ size_t SharedBuffer::size() const {
return mSize;
}
SharedBuffer* SharedBuffer::bufferFromData(void* data)
{
return ((SharedBuffer*)data)-1;
SharedBuffer* SharedBuffer::bufferFromData(void* data) {
return data ? static_cast<SharedBuffer *>(data)-1 : 0;
}
const SharedBuffer* SharedBuffer::bufferFromData(const void* data)
{
return ((const SharedBuffer*)data)-1;
const SharedBuffer* SharedBuffer::bufferFromData(const void* data) {
return data ? static_cast<const SharedBuffer *>(data)-1 : 0;
}
size_t SharedBuffer::sizeFromData(const void* data)
{
return (((const SharedBuffer*)data)-1)->mSize;
size_t SharedBuffer::sizeFromData(const void* data) {
return data ? bufferFromData(data)->mSize : 0;
}
bool SharedBuffer::onlyOwner() const {

14
libs/utils/VectorImpl.cpp
View File

@ -51,7 +51,7 @@ VectorImpl::VectorImpl(const VectorImpl& rhs)
mFlags(rhs.mFlags), mItemSize(rhs.mItemSize)
{
if (mStorage) {
SharedBuffer::sharedBuffer(mStorage)->acquire();
SharedBuffer::bufferFromData(mStorage)->acquire();
}
}
@ -73,7 +73,7 @@ VectorImpl& VectorImpl::operator = (const VectorImpl& rhs)
if (rhs.mCount) {
mStorage = rhs.mStorage;
mCount = rhs.mCount;
SharedBuffer::sharedBuffer(mStorage)->acquire();
SharedBuffer::bufferFromData(mStorage)->acquire();
} else {
mStorage = 0;
mCount = 0;
@ -85,7 +85,7 @@ VectorImpl& VectorImpl::operator = (const VectorImpl& rhs)
void* VectorImpl::editArrayImpl()
{
if (mStorage) {
SharedBuffer* sb = SharedBuffer::sharedBuffer(mStorage)->attemptEdit();
SharedBuffer* sb = SharedBuffer::bufferFromData(mStorage)->attemptEdit();
if (sb == 0) {
sb = SharedBuffer::alloc(capacity() * mItemSize);
if (sb) {
@ -101,7 +101,7 @@ void* VectorImpl::editArrayImpl()
size_t VectorImpl::capacity() const
{
if (mStorage) {
return SharedBuffer::sharedBuffer(mStorage)->size() / mItemSize;
return SharedBuffer::bufferFromData(mStorage)->size() / mItemSize;
}
return 0;
}
@ -346,7 +346,7 @@ ssize_t VectorImpl::setCapacity(size_t new_capacity)
void VectorImpl::release_storage()
{
if (mStorage) {
const SharedBuffer* sb = SharedBuffer::sharedBuffer(mStorage);
const SharedBuffer* sb = SharedBuffer::bufferFromData(mStorage);
if (sb->release(SharedBuffer::eKeepStorage) == 1) {
_do_destroy(mStorage, mCount);
SharedBuffer::dealloc(sb);
@ -372,7 +372,7 @@ void* VectorImpl::_grow(size_t where, size_t amount)
(mFlags & HAS_TRIVIAL_COPY) &&
(mFlags & HAS_TRIVIAL_DTOR))
{
const SharedBuffer* cur_sb = SharedBuffer::sharedBuffer(mStorage);
const SharedBuffer* cur_sb = SharedBuffer::bufferFromData(mStorage);
SharedBuffer* sb = cur_sb->editResize(new_capacity * mItemSize);
mStorage = sb->data();
} else {
@ -424,7 +424,7 @@ void VectorImpl::_shrink(size_t where, size_t amount)
(mFlags & HAS_TRIVIAL_COPY) &&
(mFlags & HAS_TRIVIAL_DTOR))
{
const SharedBuffer* cur_sb = SharedBuffer::sharedBuffer(mStorage);
const SharedBuffer* cur_sb = SharedBuffer::bufferFromData(mStorage);
SharedBuffer* sb = cur_sb->editResize(new_capacity * mItemSize);
mStorage = sb->data();
} else {