102 lines
1.6 KiB
C
102 lines
1.6 KiB
C
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/*++
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Copyright (c) 1997 Microsoft Corporation
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hashimp.h
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Abstract :
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This file contains the inline functions required to implement
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the hash tables defined in hashmap.h
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--*/
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#ifndef _HASHIMP_H_
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#define _HASHIMP_H_
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inline
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IStringKey::IStringKey(
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LPBYTE pbKey,
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DWORD cbKey ) :
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m_lpbKey( pbKey ),
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m_cbKey( cbKey ) {
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}
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inline LPBYTE
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IStringKey::Serialize(
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LPBYTE pbPtr
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) const {
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PDATA pData = (PDATA)pbPtr ;
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pData->cb = (WORD)m_cbKey ;
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CopyMemory( pData->Data, m_lpbKey, m_cbKey ) ;
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return pData->Data + m_cbKey ;
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}
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inline LPBYTE
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IStringKey::Restore(
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LPBYTE pbPtr,
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DWORD &cbOut
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) {
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PDATA pData = (PDATA)pbPtr ;
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if( m_cbKey < pData->cb ) {
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cbOut = pData->cb ;
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SetLastError( ERROR_INSUFFICIENT_BUFFER ) ;
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return 0 ;
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}
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cbOut = m_cbKey = pData->cb ;
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CopyMemory( m_lpbKey, pData->Data, m_cbKey ) ;
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return pData->Data + m_cbKey ;
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}
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inline DWORD
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IStringKey::Size() const {
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return sizeof( SerializedString ) - sizeof( BYTE ) + m_cbKey ;
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}
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inline BOOL
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IStringKey::Verify(
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LPBYTE pbContainer,
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LPBYTE pbPtr,
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DWORD cb
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) const {
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PDATA pData = (PDATA)pbPtr ;
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if( pData->cb > cb ) {
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return FALSE ;
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}
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return TRUE ;
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}
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inline DWORD
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IStringKey::Hash( ) const {
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return CHashMap::CRCHash( m_lpbKey, m_cbKey ) ;
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}
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inline BOOL
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IStringKey::CompareKeys(
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LPBYTE pbPtr
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) const {
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PDATA pData = PDATA( pbPtr ) ;
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return pData->cb == m_cbKey && !memcmp( pData->Data, m_lpbKey, m_cbKey ) ;
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}
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inline LPBYTE
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IStringKey::EntryData(
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LPBYTE pbPtr,
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DWORD &cbOut
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) const {
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PDATA pData = PDATA( pbPtr ) ;
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return pData->Data + pData->cb ;
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}
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#endif // _HASHIMP_H_
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