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/**
* XML Security Library (http://www.aleksey.com/xmlsec).
*
* Memory buffer.
*
* This is free software; see Copyright file in the source
* distribution for preciese wording.
*
* Copyright (C) 2002-2016 Aleksey Sanin <aleksey@aleksey.com>. All Rights Reserved.
*/
#ifndef __XMLSEC_BUFFER_H__
#define __XMLSEC_BUFFER_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <libxml/tree.h>
#include <xmlsec/xmlsec.h>
typedef struct _xmlSecBuffer xmlSecBuffer,
*xmlSecBufferPtr;
/**
* xmlSecAllocMode:
* @xmlSecAllocModeExact: the memory allocation mode that minimizes total
* allocated memory size.
* @xmlSecAllocModeDouble: the memory allocation mode that tries to minimize
* the number of malloc calls.
*
* The memory allocation mode (used by @xmlSecBuffer and @xmlSecList).
*/
typedef enum {
xmlSecAllocModeExact = 0,
xmlSecAllocModeDouble
} xmlSecAllocMode;
/*****************************************************************************
*
* xmlSecBuffer
*
****************************************************************************/
/**
* xmlSecBuffer:
* @data: the pointer to buffer data.
* @size: the current data size.
* @maxSize: the max data size (allocated buffer size).
* @allocMode: the buffer memory allocation mode.
*
* Binary data buffer.
*/
struct _xmlSecBuffer {
xmlSecByte* data;
xmlSecSize size;
xmlSecSize maxSize;
xmlSecAllocMode allocMode;
};
XMLSEC_EXPORT void xmlSecBufferSetDefaultAllocMode (xmlSecAllocMode defAllocMode,
xmlSecSize defInitialSize);
XMLSEC_EXPORT xmlSecBufferPtr xmlSecBufferCreate (xmlSecSize size);
XMLSEC_EXPORT void xmlSecBufferDestroy (xmlSecBufferPtr buf);
XMLSEC_EXPORT int xmlSecBufferInitialize (xmlSecBufferPtr buf,
xmlSecSize size);
XMLSEC_EXPORT void xmlSecBufferFinalize (xmlSecBufferPtr buf);
XMLSEC_EXPORT xmlSecByte* xmlSecBufferGetData (xmlSecBufferPtr buf);
XMLSEC_EXPORT int xmlSecBufferSetData (xmlSecBufferPtr buf,
const xmlSecByte* data,
xmlSecSize size);
XMLSEC_EXPORT xmlSecSize xmlSecBufferGetSize (xmlSecBufferPtr buf);
XMLSEC_EXPORT int xmlSecBufferSetSize (xmlSecBufferPtr buf,
xmlSecSize size);
XMLSEC_EXPORT xmlSecSize xmlSecBufferGetMaxSize (xmlSecBufferPtr buf);
XMLSEC_EXPORT int xmlSecBufferSetMaxSize (xmlSecBufferPtr buf,
xmlSecSize size);
XMLSEC_EXPORT void xmlSecBufferEmpty (xmlSecBufferPtr buf);
XMLSEC_EXPORT int xmlSecBufferAppend (xmlSecBufferPtr buf,
const xmlSecByte* data,
xmlSecSize size);
XMLSEC_EXPORT int xmlSecBufferPrepend (xmlSecBufferPtr buf,
const xmlSecByte* data,
xmlSecSize size);
XMLSEC_EXPORT int xmlSecBufferRemoveHead (xmlSecBufferPtr buf,
xmlSecSize size);
XMLSEC_EXPORT int xmlSecBufferRemoveTail (xmlSecBufferPtr buf,
xmlSecSize size);
XMLSEC_EXPORT int xmlSecBufferReadFile (xmlSecBufferPtr buf,
const char* filename);
XMLSEC_EXPORT int xmlSecBufferBase64NodeContentRead(xmlSecBufferPtr buf,
xmlNodePtr node);
XMLSEC_EXPORT int xmlSecBufferBase64NodeContentWrite(xmlSecBufferPtr buf,
xmlNodePtr node,
int columns);
XMLSEC_EXPORT xmlOutputBufferPtr xmlSecBufferCreateOutputBuffer (xmlSecBufferPtr buf);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __XMLSEC_BUFFER_H__ */
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