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Annotation of researchv10no/libc/gen/putshares.c, revision 1.1.1.1

1.1       root        1: /*LINTLIBRARY*/
                      2: 
                      3: /*
                      4: **     Write a new ``shares'' file record from details in lnode.
                      5: **
                      6: **     Returns 0 for illegal uid,
                      7: **             SYSERROR for bad system call,
                      8: **             else sizeof(Share).
                      9: */ 
                     10: 
                     11: #include       <shares.h>
                     12: #include       <libc.h>
                     13: 
                     14: 
                     15: int
                     16: putshares(lp, extime)
                     17:        register struct lnode * lp;
                     18:        unsigned long           extime;
                     19: {
                     20:        register long           posn;
                     21:        Share                   share;
                     22: 
                     23:        if ( lp->l_uid > MAXUID )
                     24:                return 0;
                     25: 
                     26:        if ( !openshares(1) )
                     27:                return SYSERROR;
                     28: 
                     29:        share.l = *lp;
                     30:        share.extime = extime;
                     31: 
                     32:        posn = sizeof(Share) * lp->l_uid;
                     33: 
                     34:        if ( lseek(ShareFd, posn, 0) == SYSERROR )
                     35:                return SYSERROR;
                     36: 
                     37:        return write(ShareFd, &share, sizeof(Share));
                     38: }

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