Function adfReadDataBlock

dep/adflib/src/adf_file.c:654–684

* adfReadDataBlock * */

 *
 */
RETCODE adfReadDataBlock(struct Volume *vol, SECTNUM nSect, void *data)
{
    uint8_t buf[512];
    struct bOFSDataBlock *dBlock;
    RETCODE rc = RC_OK;

    adfReadBlock(vol, nSect,buf);

    memcpy(data,buf,512);

    if (isOFS(vol->dosType)) {
#ifdef LITT_ENDIAN
        swapEndian(data, SWBL_DATA);
#endif
        dBlock = (struct bOFSDataBlock*)data;
/*printf("adfReadDataBlock %ld\n",nSect);*/

        if (dBlock->checkSum!=adfNormalSum(buf,20,sizeof(struct bOFSDataBlock)))
            (*adfEnv.wFct)("adfReadDataBlock : invalid checksum");
        if (dBlock->type!=T_DATA)
            (*adfEnv.wFct)("adfReadDataBlock : id T_DATA not found");
        if (dBlock->dataSize<0 || dBlock->dataSize>488)
            (*adfEnv.wFct)("adfReadDataBlock : dataSize incorrect");
        if ( !isSectNumValid(vol,dBlock->headerKey) )
			(*adfEnv.wFct)("adfReadDataBlock : headerKey out of range");
        if ( !isSectNumValid(vol,dBlock->nextData) )
			(*adfEnv.wFct)("adfReadDataBlock : nextData out of range");
    }

    return rc;
}


/*