Function adfReadFileExtBlock

dep/adflib/src/adf_file.c:724–751

* adfReadFileExtBlock * */

 *
 */
RETCODE adfReadFileExtBlock(struct Volume *vol, SECTNUM nSect, struct bFileExtBlock* fext)
{
    uint8_t buf[sizeof(struct bFileExtBlock)];
    RETCODE rc = RC_OK;

    adfReadBlock(vol, nSect,buf);
/*printf("read fext=%d\n",nSect);*/
    memcpy(fext,buf,sizeof(struct bFileExtBlock));
#ifdef LITT_ENDIAN
    swapEndian((uint8_t*)fext, SWBL_FEXT);
#endif
    if (fext->checkSum!=adfNormalSum(buf,20,sizeof(struct bFileExtBlock)))
        (*adfEnv.wFct)("adfReadFileExtBlock : invalid checksum");
    if (fext->type!=T_LIST)
        (*adfEnv.wFct)("adfReadFileExtBlock : type T_LIST not found");
    if (fext->secType!=ST_FILE)
        (*adfEnv.wFct)("adfReadFileExtBlock : stype  ST_FILE not found");
    if (fext->headerKey!=nSect)
        (*adfEnv.wFct)("adfReadFileExtBlock : headerKey!=nSect");
    if (fext->highSeq<0 || fext->highSeq>MAX_DATABLK)
        (*adfEnv.wFct)("adfReadFileExtBlock : highSeq out of range");
    if ( !isSectNumValid(vol, fext->parent) ) 
        (*adfEnv.wFct)("adfReadFileExtBlock : parent out of range");
    if ( fext->extension!=0 && !isSectNumValid(vol, fext->extension) )
        (*adfEnv.wFct)("adfReadFileExtBlock : extension out of range");

    return rc;
}


/*