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Annotation of xinu/sys/LSI/ibget.c, revision 1.1

1.1     ! root        1: /* ibget.c - ibget */
        !             2: 
        !             3: #include <conf.h>
        !             4: #include <kernel.h>
        !             5: #include <disk.h>
        !             6: #include <lfile.h>
        !             7: #include <dir.h>
        !             8: 
        !             9: /*------------------------------------------------------------------------
        !            10:  *  ibget  --  get an iblock from disk given its number
        !            11:  *------------------------------------------------------------------------
        !            12:  */
        !            13: ibget(diskdev, inum, loc)
        !            14: int    diskdev;
        !            15: IBADDR inum;
        !            16: struct iblk    *loc;
        !            17: {
        !            18:        char    *from, *to;
        !            19:        int     i;
        !            20:        char    *buff;
        !            21: 
        !            22:        buff = getbuf(dskdbp);
        !            23:        read(diskdev, buff, ibtodb(inum));
        !            24:        from = buff + ibdisp(inum);
        !            25:        to = (char *)loc;
        !            26:        for (i=0 ; i<sizeof(struct iblk) ; i++)
        !            27:                *to++ = *from++;
        !            28:        freebuf(buff);
        !            29: }

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