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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*
* Copyright (C) 1999-2010, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************/
/*----------------------------------------------------------------------------------
*
* UDataMemory A class-like struct that serves as a handle to a piece of memory
* that contains some ICU data (resource, converters, whatever.)
*
* When an application opens ICU data (with udata_open, for example,
* a UDataMemory * is returned.
*
*----------------------------------------------------------------------------------*/
#ifndef __UDATAMEM_H__
#define __UDATAMEM_H__
#include "unicode/udata.h"
#include "ucmndata.h"
struct UDataMemory {
const commonDataFuncs *vFuncs; /* Function Pointers for accessing TOC */
const DataHeader *pHeader; /* Header of the memory being described by this */
/* UDataMemory object. */
const void *toc; /* For common memory, table of contents for */
/* the pieces within. */
UBool heapAllocated; /* True if this UDataMemory Object is on the */
/* heap and thus needs to be deleted when closed. */
void *mapAddr; /* For mapped or allocated memory, the start addr. */
/* Only non-null if a close operation should unmap */
/* the associated data. */
void *map; /* Handle, or other data, OS dependent. */
/* Only non-null if a close operation should unmap */
/* the associated data, and additional info */
/* beyond the mapAddr is needed to do that. */
int32_t length; /* Length of the data in bytes; -1 if unknown. */
};
U_CFUNC UDataMemory *UDataMemory_createNewInstance(UErrorCode *pErr);
U_CFUNC void UDatamemory_assign (UDataMemory *dest, UDataMemory *source);
U_CFUNC void UDataMemory_init (UDataMemory *This);
U_CFUNC UBool UDataMemory_isLoaded(const UDataMemory *This);
U_CFUNC void UDataMemory_setData (UDataMemory *This, const void *dataAddr);
U_CFUNC const DataHeader *UDataMemory_normalizeDataPointer(const void *p);
U_CAPI int32_t U_EXPORT2
udata_getLength(const UDataMemory *pData);
U_CAPI const void * U_EXPORT2
udata_getRawMemory(const UDataMemory *pData);
#endif