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Annotation of xinu/sys/shell/login.c, revision 1.1

1.1     ! root        1: /* login.c - login */
        !             2: 
        !             3: #include <conf.h>
        !             4: #include <kernel.h>
        !             5: #include <shell.h>
        !             6: #include <tty.h>
        !             7: 
        !             8: /*------------------------------------------------------------------------
        !             9:  *  login  -  log user onto system
        !            10:  *------------------------------------------------------------------------
        !            11:  */
        !            12: login(dev)
        !            13: int    dev;
        !            14: {
        !            15:        int     len;
        !            16: 
        !            17:        Shl.shused = FALSE;
        !            18:        Shl.shuser[0] = NULLCH;
        !            19:        for (getname(Shl.shmach) ; TRUE ; ) {
        !            20:                fprintf(dev,"\n\n%s - The magic of Xinu\n\nlogin: ",
        !            21:                        Shl.shmach);
        !            22:                while ( (len=read(dev, Shl.shbuf, 128)) == 0 || len == 1 ||
        !            23:                         Shl.shbuf[0] < BLANK)
        !            24:                                fprintf(dev, "login: ");
        !            25:                if (len == EOF) {
        !            26:                        read(dev, Shl.shbuf, 0);
        !            27:                        Shl.shused = FALSE;
        !            28:                        continue;
        !            29:                }
        !            30:                Shl.shbuf[len-1] = NULLCH;
        !            31:                strncpy(Shl.shuser, Shl.shbuf, SHNAMLEN-1);
        !            32:                Shl.shused = TRUE;
        !            33:                getutim(&Shl.shlogon);
        !            34:                mark(Shl.shmark);
        !            35:                fprintf(dev,"\n%s\n\n",
        !            36:                "      Welcome to Xinu (type ? for help)" );
        !            37:                getutim(&Shl.shlast);
        !            38:                return(OK);
        !            39:        }
        !            40: }

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