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Annotation of xinu/sys/udpnxtp.c, revision 1.1

1.1     ! root        1: /* udpnxtp.c - udpnxtp */
        !             2: 
        !             3: #include <conf.h>
        !             4: #include <kernel.h>
        !             5: #include <network.h>
        !             6: 
        !             7: /*------------------------------------------------------------------------
        !             8:  *  udpnxtp  -  return the next available UDP local "port" number
        !             9:  *------------------------------------------------------------------------
        !            10:  */
        !            11: udpnxtp()
        !            12: {
        !            13:        int     i;
        !            14:        int     try;
        !            15:        Bool    inuse;
        !            16:        struct  netq    *nqptr;
        !            17:        PStype  ps;
        !            18: 
        !            19:        disable(ps);
        !            20:        for (inuse=TRUE ; inuse ; ) {
        !            21:                inuse = FALSE;
        !            22:                try = Net.nxtprt++;
        !            23:                for (i=0 ; i<NETQS ; i++)
        !            24:                         if ( (nqptr= &Net.netqs[i])->valid &&
        !            25:                                nqptr->uport == try) {
        !            26:                                inuse = TRUE;
        !            27:                                break;
        !            28:                        }
        !            29:        }
        !            30:        restore(ps);
        !            31:        return(try);
        !            32: }

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