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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL
// DO NOT USE -- FOR INTERNAL TESTING ONLY
#ifndef sk_data_DEFINED
#define sk_data_DEFINED
#include "sk_types.h"
SK_C_PLUS_PLUS_BEGIN_GUARD
/**
Returns a new empty sk_data_t. This call must be balanced with a call to
sk_data_unref().
*/
SK_API sk_data_t* sk_data_new_empty();
/**
Returns a new sk_data_t by copying the specified source data.
This call must be balanced with a call to sk_data_unref().
*/
SK_API sk_data_t* sk_data_new_with_copy(const void* src, size_t length);
/**
Pass ownership of the given memory to a new sk_data_t, which will
call free() when the refernce count of the data goes to zero. For
example:
size_t length = 1024;
void* buffer = malloc(length);
memset(buffer, 'X', length);
sk_data_t* data = sk_data_new_from_malloc(buffer, length);
This call must be balanced with a call to sk_data_unref().
*/
SK_API sk_data_t* sk_data_new_from_malloc(const void* memory, size_t length);
/**
Returns a new sk_data_t using a subset of the data in the
specified source sk_data_t. This call must be balanced with a
call to sk_data_unref().
*/
SK_API sk_data_t* sk_data_new_subset(const sk_data_t* src, size_t offset, size_t length);
/**
Increment the reference count on the given sk_data_t. Must be
balanced by a call to sk_data_unref().
*/
SK_API void sk_data_ref(const sk_data_t*);
/**
Decrement the reference count. If the reference count is 1 before
the decrement, then release both the memory holding the sk_data_t
and the memory it is managing. New sk_data_t are created with a
reference count of 1.
*/
SK_API void sk_data_unref(const sk_data_t*);
/**
Returns the number of bytes stored.
*/
SK_API size_t sk_data_get_size(const sk_data_t*);
/**
Returns the pointer to the data.
*/
SK_API const void* sk_data_get_data(const sk_data_t*);
SK_C_PLUS_PLUS_END_GUARD
#endif
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