2.11BSD#431 - /usr/src/new/notes/src/delete.c

   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: }

Defined functions

Defined variables