CWE-ou-minkata/Sources/Plasma/PubUtilLib/plUUID/plUUID_Unix.cpp

/*==LICENSE==*

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Additional permissions under GNU GPL version 3 section 7

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*==LICENSE==*/
#include "plUUID.h"

#ifdef HS_BUILD_FOR_UNIX

#include <uuid/uuid.h>

struct plUUIDHelper
{
	static inline void CopyToPlasma( plUUID * dst, const uuid_t & src )
	{
		hsAssert( sizeof(uuid_t)==sizeof(dst->fData), "sizeof(uuid_t)!=sizeof(plUUID)" );
		memcpy( (void*)dst->fData, (const void *)src, sizeof( plUUID ) );
	}

	static inline void CopyToNative( uuid_t & dst, const plUUID * src )
	{
		hsAssert( sizeof(uuid_t)==sizeof(src->fData), "sizeof(uuid_t)!=sizeof(plUUID)" );
		memcpy( (void*)dst, (const void *)src->fData, sizeof( plUUID ) );
	}
};


void plUUID::Clear()
{
	uuid_t g;
	plUUIDHelper::CopyToNative( g, this );
	uuid_clear( g );
	plUUIDHelper::CopyToPlasma( this, g );
}

bool plUUID::IsNull() const
{
	uuid_t g;
	plUUIDHelper::CopyToNative( g, this );
	return ( uuid_is_null( g )!=0 );
}

void plUUID::CopyFrom( const plUUID * v )
{
	memcpy( (void*)fData, (const void*)v->fData, sizeof(fData) );
}

int plUUID::CompareTo( const plUUID * v ) const
{
	uuid_t ga, gb;
	plUUIDHelper::CopyToNative( ga, this );
	plUUIDHelper::CopyToNative( gb, v );
	int ans = uuid_compare( ga, gb );
	return ans;
}

bool plUUID::IsEqualTo( const plUUID * v ) const
{
	return ( CompareTo( v )==0 );
}

bool plUUID::FromString( const char * str )
{
	Clear();
	if ( !str )
		return false;
	uuid_t g;
	uuid_parse( str, g );
	plUUIDHelper::CopyToPlasma( this, g );
	return true;
}

bool plUUID::ToString( std::string & out ) const
{
	uuid_t g;
	plUUIDHelper::CopyToNative( g, this );
	char buf[40];
	uuid_unparse( g, buf );
	out = buf;
	return true;
}

std::string plUUID::ToString() const
{
	std::string str;
	plUUID::ToString( str );
	return str;
}

// static
plUUID plUUID::Generate()
{
	uuid_t g;
	uuid_generate( g );
	plUUID result;
	plUUIDHelper::CopyToPlasma( &result, g );
	return result;
}

#else

// dummy function to prevent a linker warning complaining about no public symbols if the
// contents of the file get compiled out via pre-processor
void _preventLNK4221WarningStub()
{
}

#endif