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

1.1     ! root        1: /* unmount.c - unmount */
        !             2: 
        !             3: #include <conf.h>
        !             4: #include <kernel.h>
        !             5: #include <name.h>
        !             6: 
        !             7: /*------------------------------------------------------------------------
        !             8:  *  unmount  -  remove an entry from the name prefix mapping table
        !             9:  *------------------------------------------------------------------------
        !            10:  */
        !            11: SYSCALL        unmount(prefix)
        !            12: char   *prefix;
        !            13: {
        !            14:        struct  nament  *nptr;
        !            15:        PStype  ps;
        !            16:        int     i;
        !            17: 
        !            18:        if (prefix == NULL)
        !            19:                prefix = NULLSTR;
        !            20:        else if (strlen(prefix) >= NAMPLEN)
        !            21:                return(SYSERR);
        !            22:        disable(ps);
        !            23:        for (i=0 ; i<Nam.nnames ; i++) {
        !            24:                nptr = &Nam.nametab[i];
        !            25:                if (strcmp(prefix, nptr->npre) == 0) {
        !            26:                        for(Nam.nnames-- ; i<Nam.nnames ; i++)
        !            27:                                Nam.nametab[i] = Nam.nametab[i+1];
        !            28:                        restore(ps);
        !            29:                        return(OK);
        !            30:                }
        !            31:        }
        !            32:        restore(ps);
        !            33:        return(SYSERR);
        !            34: }

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