vi/v_zexit.c

   1 /*-
   2  * Copyright (c) 1992, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * %sccs.include.redist.c%
   6  */
   7
   8 #ifndef lint
   9 static char sccsid[] = "$Id: v_zexit.c,v 8.5 1993/12/10 12:22:17 bostic Exp $ (Berkeley) $Date: 1993/12/10 12:22:17 $";
  10 #endif /* not lint */
  11
  12 #include <sys/types.h>
  13
  14 #include <string.h>
  15
  16 #include "vi.h"
  17 #include "excmd.h"
  18 #include "vcmd.h"
  19
  20 /*
  21  * v_exit -- ZZ
  22  *      Save the file and exit.
  23  */
  24 int
  25 v_exit(sp, ep, vp, fm, tm, rp)
  26         SCR *sp;
  27         EXF *ep;
  28         VICMDARG *vp;
  29         MARK *fm, *tm, *rp;
  30 {
  31         if (F_ISSET(ep, F_MODIFIED) &&
  32             file_write(sp, ep, NULL, NULL, NULL, FS_ALL))
  33                 return (1);
  34
  35         /*
  36          * !!!
  37          * Historic practice: quit! or two quit's done in succession
  38          * (where ZZ counts as a quit) didn't check for other files.
  39          *
  40          * Also check for related screens; if they exist, quit, the
  41          * user will get the message on the last screen.
  42          */
  43         if (sp->ccnt != sp->q_ccnt + 1 &&
  44             ep->refcnt <= 1 && file_unedited(sp) != NULL) {
  45                 sp->q_ccnt = sp->ccnt;
  46                 msgq(sp, M_ERR,
  47                     "More files to edit; use \":n\" to go to the next file");
  48                 return (1);
  49         }
  50
  51         F_SET(sp, S_EXIT);
  52         return (0);
  53 }