CWE-ou-minkata/Sources/Plasma/NucleusLib/pnUUID/pnUUID_Unix.cpp

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

#ifdef HS_BUILD_FOR_UNIX

#include <uuid/uuid.h>

// Check UUID size
static_assert(sizeof(plUUID) == sizeof(uuid_t), "plUUID and uuid_t types differ in size");

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;
    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));
}

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;
    if (uuid_parse(str, g) != 0) {
        return false;
    }

    plUUIDHelper::CopyToPlasma(this, g);
    return true;
}

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

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

#endif