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