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Annotation of 43BSD/contrib/notes/src/delete.c, revision 1.1

1.1     ! root        1: #include "parms.h"
        !             2: #include "structs.h"
        !             3: 
        !             4: #ifdef RCSIDENT
        !             5: static char rcsid[] = "$Header: delete.c,v 1.7 85/01/18 15:08:35 notes Rel $";
        !             6: #endif RCSIDENT
        !             7: 
        !             8: /*
        !             9:  *     mdelete(io, first, last)
        !            10:  *     deletes all the notes in the specified range in the notefile.
        !            11:  *
        !            12:  *     no verification of the desire to delete the notes is performed.
        !            13:  *     It just goes and zaps them..
        !            14:  *
        !            15:  *     returns 0 if all goes well, -1 if it didn't like something
        !            16:  *
        !            17:  *     Original coding:        Ray Essick      Jan 1982
        !            18:  */
        !            19: mdelete (io, first, last, zapping)
        !            20: struct io_f *io;
        !            21: int     first,
        !            22:         last,                                          /* range */
        !            23:         zapping;                                       /* delete/undelete */
        !            24: {
        !            25:     int     which;
        !            26:     struct note_f   note;                              /* for undelete */
        !            27: 
        !            28:     x (first > last, "mdelete: nonsense first/last");
        !            29:     locknf (io, DSCRLOCK);                             /* lock for duration */
        !            30:     getdscr (io, &io -> descr);
        !            31:     if (last > io -> descr.d_nnote)
        !            32:        last = io -> descr.d_nnote;
        !            33:     if (first > io -> descr.d_nnote)
        !            34:        first = io -> descr.d_nnote;
        !            35:     for (which = first; which <= last; which++)
        !            36:     {
        !            37:        if (zapping)                                    /* deletion */
        !            38:        {
        !            39:            delnote (io, which, NOLOCKIT);
        !            40:        }
        !            41:        else
        !            42:        {
        !            43:            getnrec (io, which, &note);                 /* get the note */
        !            44:            note.n_stat &= NOT DELETED;                 /* un-deleted */
        !            45:            putnrec (io, which, &note);
        !            46:        }
        !            47:     }
        !            48:     unlocknf (io, DSCRLOCK);                           /* release the lock */
        !            49:     return 0;
        !            50: }

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