DBFLoadRecord()

static int DBFLoadRecord ( DBFHandle  psDBF, int  iRecord  )

static

Definition at line 257 of file dbfopen.c.

{
    if( psDBF->nCurrentRecord != iRecord )
    {
        SAOffset nRecordOffset;
 
        if( !DBFFlushRecord( psDBF ) )
            return FALSE;
 
        nRecordOffset =
            psDBF->nRecordLength * STATIC_CAST(SAOffset,iRecord) + psDBF->nHeaderLength;
 
        if( psDBF->sHooks.FSeek( psDBF->fp, nRecordOffset, SEEK_SET ) != 0 )
        {
            char szMessage[128];
            snprintf( szMessage, sizeof(szMessage), "fseek(%ld) failed on DBF file.",
                      STATIC_CAST(long, nRecordOffset) );
            psDBF->sHooks.Error( szMessage );
            return FALSE;
        }
 
        if( psDBF->sHooks.FRead( psDBF->pszCurrentRecord,
                                 psDBF->nRecordLength, 1, psDBF->fp ) != 1 )
        {
            char szMessage[128];
            snprintf( szMessage, sizeof(szMessage), "fread(%d) failed on DBF file.",
                     psDBF->nRecordLength );
            psDBF->sHooks.Error( szMessage );
            return FALSE;
        }
 
        psDBF->nCurrentRecord = iRecord;
/* -------------------------------------------------------------------- */
/*      Require a seek for next write in case of mixed R/W operations.  */
/* -------------------------------------------------------------------- */
        psDBF->bRequireNextWriteSeek = TRUE;
    }
 
    return TRUE;
}

References DBFInfo::bRequireNextWriteSeek, DBFFlushRecord(), SAHooks::Error, FALSE, DBFInfo::fp, SAHooks::FRead, SAHooks::FSeek, DBFInfo::nCurrentRecord, DBFInfo::nHeaderLength, DBFInfo::nRecordLength, DBFInfo::pszCurrentRecord, DBFInfo::sHooks, STATIC_CAST, and TRUE.

Referenced by DBFIsRecordDeleted(), DBFMarkRecordDeleted(), DBFReadAttribute(), DBFReadTuple(), DBFWriteAttribute(), DBFWriteAttributeDirectly(), and DBFWriteTuple().

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