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Annotation of researchv9/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       <sys/types.h>
                     12: #include       <sys/lnode.h>
                     13: #include       <shares.h>
                     14: #include       <libc.h>
                     15: 
                     16: 
                     17: int
                     18: putshares(lp, extime)
                     19:        register struct lnode * lp;
                     20:        unsigned long           extime;
                     21: {
                     22:        register long           posn;
                     23:        Share                   share;
                     24: 
                     25:        if ( lp->l_uid > MAXUID )
                     26:                return 0;
                     27: 
                     28:        if ( !openshares(1) )
                     29:                return SYSERROR;
                     30: 
                     31:        share.l = *lp;
                     32:        share.extime = extime;
                     33: 
                     34:        posn = sizeof(Share) * lp->l_uid;
                     35: 
                     36:        if ( lseek(ShareFd, posn, 0) == SYSERROR )
                     37:                return SYSERROR;
                     38: 
                     39:        return write(ShareFd, &share, sizeof(Share));
                     40: }

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