/usr/include/sipxtapi/utl/UtlCrc32.h is in libsipxtapi-dev 3.3.0~test17-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (C) 2006 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// Copyright (C) 2006 Pingtel Corp. All rights reserved.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// $$
///////////////////////////////////////////////////////////////////////////////
#ifndef _UrlCrc32_h_
#define _UrlCrc32_h_
// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "os/OsDefs.h"
#include "utl/UtlString.h"
// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
/**
* Utility class for generating CRC-32s
*/
class UtlCrc32
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
/**
* Default no-argument constructor
*/
UtlCrc32() ;
/* ============================ CREATORS ================================== */
/* ============================ MANIPULATORS ============================== */
/**
* Reset the Crc32 value
*/
void reset() ;
/**
* Adds a single byte to the checksum
*/
void calc(unsigned char ch) ;
/**
* Adds a sequence of bytes to the checksum
*/
void calc(unsigned char* pData, size_t nData) ;
/**
* Adds a sequence of bytes contained within a UtlString to the checksum
*/
void calc(const UtlString& data) ;
/* ============================ ACCESSORS ================================= */
/**
* Get the current CRC-32 value
*/
unsigned long getValue() const ;
/* ============================ INQUIRY =================================== */
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
unsigned long mCrc ;
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
UtlCrc32(const UtlCrc32& rUtlCrc32);
//:Copy constructor (not implemented for this class)
UtlCrc32& operator=(const UtlCrc32& rhs);
//:Assignment operator (not implemented for this class)
};
/* ============================ INLINE METHODS ============================ */
#endif // _UrlCrc32_h_
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