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Annotation of researchv9/libc/gen/getshares.c, revision 1.1.1.1

1.1       root        1: /*LINTLIBRARY*/
                      2: 
                      3: /*
                      4: **     Fill in details for lnode from ``shares'' record.
                      5: **
                      6: **     Returns 0 for failure, or last active time of user.
                      7: */ 
                      8: 
                      9: #include       <sys/types.h>
                     10: #include       <sys/lnode.h>
                     11: #include       <shares.h>
                     12: #include       <libc.h>
                     13: 
                     14: 
                     15: unsigned long
                     16: getshares(lp, uid, lock)
                     17:        register struct lnode * lp;
                     18:        int                     uid;
                     19:        int                     lock;
                     20: {
                     21:        register long           posn;
                     22:        Share                   share;
                     23: 
                     24:        lp->l_uid = uid;
                     25:        lp->l_flags = 0;
                     26:        lp->l_shares = 0;
                     27:        lp->l_group = 0;
                     28:        lp->l_usage = 0;
                     29:        lp->l_charge = 0;
                     30: 
                     31:        if ( uid > MAXUID )
                     32:                return 0;
                     33: 
                     34:        if ( !openshares(lock) )
                     35:                return 0;
                     36: 
                     37:        posn = sizeof(Share) * uid;
                     38: 
                     39:        if ( lseek(ShareFd, posn, 0) == SYSERROR )
                     40:                return 0;
                     41: 
                     42:        if ( read(ShareFd, &share, sizeof(Share)) != sizeof(Share) )
                     43:                return 0;
                     44: 
                     45:        if ( share.l.l_uid != uid )
                     46:                return 0;
                     47: 
                     48:        *lp = share.l;
                     49: 
                     50:        if ( share.extime == 0 )
                     51:                return 1;
                     52: 
                     53:        return share.extime;
                     54: }

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