Source Code 1994 March/Source_Code_CD-ROM_Walnut_Creek_March_1994.iso/compsrcs/unix/volume26/utree/part08

Text File | 1992-09-06 | 65.5 KB | 2,412 lines

Newsgroups: comp.sources.unix
From: [e-mail] (Peter Klingebiel)
Subject: v26i071: utree - screen oriented filesystem utility (V3.03b-um), Part08/08
Sender: [e-mail]
Approved: [e-mail]

Submitted-By: [e-mail] (Peter Klingebiel)
Posting-Number: Volume 26, Issue 71
Archive-Name: utree/part08

#! /bin/sh
# This is a shell archive.  Remove anything before this line, then unpack
# it by saving it into a file and typing "sh file".  To overwrite existing
# files, type "sh file -c".  You can also feed this as standard input via
# unshar, or by typing "sh <file", e.g..  If this archive is complete, you
# will see the following message at the end:
#        "End of archive 8 (of 8)."
# Contents:  src/tree.c
# Wrapped by [e-mail] on Mon Sep  7 14:39:58 1992
PATH=/bin:/usr/bin:/usr/ucb ; export PATH
if test -f 'src/tree.c' -a "${1}" != "-c" ; then
  echo shar: Will not clobber existing file \"'src/tree.c'\"
else
echo shar: Extracting \"'src/tree.c'\" \(63122 characters\)
sed "s/^X//" >'src/tree.c' <<'END_OF_FILE'
X/*
X *      TREE.C
X *      UTREE tree menu routines.
X *      3.01-um klin, Tue Jun  4 14:19:16 1991
X *              klin, Tue Oct 15 14:02:37 1991, Handling of symlinks changed
X *              klin, Sat Oct 26 15:07:06 1991, Tagging files changed
X *                                              Sorting and zooming changed
X *                                              Select directories added
X *                                              Print tree list added
X *                                              More local functions
X *      3.02-um klin, Fri Nov  1 10:46:14 1991, Screen layout changed
X *                                              Goto parent added
X *              klin, Sun Nov 24 19:30:43 1991, Cd to current directory before
X *                                              executing some commands
X *                                              Video attributes changed
X *      3.03-um klin, Tue Feb 11 22:58:03 1992, Screen layout changed
X *                                              Shell escape, variables and
X *                                              filetype commands changed
X *              klin, Sat Feb 15 14:44:52 1992, Video handling and partinioning of
X *                                              directory and file windows changed
X *              klin, Sat Feb 22 10:34:03 1992, Many commands changed to work
X *                                              on current directory or subtree
X *                                              or tagged files
X *              klin, Sun Feb 23 17:32:57 1992, Key handling and key bindings
X *                                              changed
X *                                              No removing of subtrees
X *            a klin, Sun Mar 15 19:08:25 1992, Bug fix in gotree()
X *
X *      Copyright (c) 1991/92 by Peter Klingebiel & UNIX Magazin Muenchen.
X *      For copying and distribution information see the file COPYRIGHT.
X */
X#ifndef lint
static char sccsid[] = "@(#) utree 3.03a-um (klin) Mrz 15 1992 tree.c";
X#endif  /* !lint */
X
X#include "defs.h"
X
X/* ---- Local variables and definitions ------------------------------- */
X
LOCAL dlist *tdlist = DNULL;    /* Top dlist on tree screen             */
LOCAL dlist *mdlist = DNULL;    /* Marked dlist entry                   */
LOCAL dlist *tdlast = DNULL;    /* Last tdlist                          */
LOCAL dlist *cdlast = DNULL;    /* Last current dlist entry             */
LOCAL char  *mustup = "Tree must be updated. Continue ?";
LOCAL char  *cancel = "(Hit BREAK to abort)";
X
X/* Tree menu commands in help line                                      */
LOCAL char *tmline =
X" Help Backup Chdir Find Grep Info List Mkdir Out Rmdir Stat Tag Untag Quit";
LOCAL char *menuline = NULL;
X
X#define BCOL    0               /* Column for tree position bar         */
X#define SCOL    1               /* Column for tag or mark sign          */
X#define TCOL    2               /* Startcolumn for directory tree       */
X#define UCOL    -1              /* Column for number of files unknown   */
X#define FCOL    -5              /* Column for number of files           */
X#define SLIN    (lastdline+1)   /* Line for separator line              */
X#define NFFMT   "%5d"           /* Format for number of files           */
X
X#define ONTR(c) ((c) < 'a')     /* Command works on subtree             */
X#define ONTG(c) ((c) < 'a')     /* Command works on tagged files        */
X
X/* ---- External variables and functions ------------------------------ */
X
XEXTRN FILE *popen();
XEXTRN char *writedlist();
XEXTRN char *selectdir();
LOCAL char *dirselect();
X
X/* ---- Functions and procedures -------------------------------------- */
X
X/*
X *      TREE DISPLAY ROUTINES
X */
X
X/* Display files of current directory in file window starting at line l */
LOCAL VOID showflist(l)
X  register int l;
X{
X  register int f, i;
X
X  if((f = (l - firstfline) * fperline) < CNFIL) {
X    while(f < CNFIL && l++ <= lastfline)
X      for(i = 0; f < CNFIL && i < fperline; f++, i++) {
X       putfile(cdlist, f, 0);
X       clearline();
X      }
X    if(l <= lastfline)
X      clearwindow(l, lastfline);
X  }
X  else if(CNFIL == 0 && l == firstfline)
X    clearwindow(l, lastfline);
X
X} /* showflist() */
X
X/* Display directory list entry dp */
LOCAL VOID showdlist(dp, f)
X  register dlist *dp;
X  register int f;
X{
X  /* Is directory on screen? */
X  if(dp && DTROW(dp) >= firstdline && DTROW(dp) <= lastdline) {
X    /* Display directory tag marker */
X    if(DNTAG(dp)) {
X      (void) setgraphic(GC_ON);
X      (void) putcxy(SCOL, DTROW(dp), GC_TG);
X      (void) setgraphic(GC_OFF);
X    }
X    else
X      (void) putcxy(SCOL, DTROW(dp), ' ');
X    /* Display directory filename */
X    if(f && dp == cdlist) {     /* Highlight current directory */
X      if(CCANC) {
X       setvideo(DA_BOLDREV);
X       (void) putfxy(TCOL+DTCOL(dp)-1, DTROW(dp), 0, ">%s ", CFNAM);
X      }
X      else  {
X       setvideo(DA_HALFREV);
X       (void) putfxy(TCOL+DTCOL(dp)-1, DTROW(dp), 0, " %s ", CFNAM);
X      }
X    }
X    else {                      /* Other directory */
X      setvideo(DCANC(dp) ? DA_BOLD : DA_HALF);
X      (void) putfxy(TCOL+DTCOL(dp)-1, DTROW(dp), 0, " %s ", DFNAM(dp));
X    }
X    /* Display number of files if known */
X     setvideo(DA_NORMAL);
X    if(DCANC(dp)) {
X      if(DFLAG(dp) != FL_FIL)
X       putcxy(UCOL, DTROW(dp), '?');
X      else
X       (void) putfxy(FCOL, DTROW(dp), 0, NFFMT, DNFIL(dp));
X    }
X    else
X      putcxy(UCOL, DTROW(dp), '-');
X  }
X
X} /* showdlist() */
X
X/* Display whole directory line for directory dp */
LOCAL VOID showdline(dp)
X  register dlist *dp;
X{
X  register int i, j;
X
X  /* Is directory on screen? */
X  if(dp && DTROW(dp) >= firstdline && DTROW(dp) <= lastdline) {
X    (void) cursorxy(TCOL, DTROW(dp));
X    clearline();
X    (void) setgraphic(GC_ON);
X    if(dp == droot)             /* Root directory */
X      (void) putchar(DNEXT(dp) ? GC_UL : GC_HB);
X    else {                      /* Other directory */
X      (void) putchar(DNEXT(dp) ? GC_VB : GC_LL);
X      for(i = 1, j = DLEVL(dp) - 1; i < j; i++)
X       if(DINFO(dp) & (1 << (i-1)))
X         putcxy(TCOL+i*indent, DTROW(dp), GC_VB);
X      if(DINFO(dp) & (1 << (i-1)))
X       putcxy(TCOL+i*indent, DTROW(dp), GC_LT);
X      else
X       putcxy(TCOL+i*indent, DTROW(dp), GC_LL);
X    }
X    for(i = 2; i < indent; i++)
X      (void) putchar(GC_HB);
X    (void) setgraphic(GC_OFF);
X    showdlist(dp, 0);           /* Display name */
X  }
X
X} /* showdline() */
X
X/* Display the directory list from line f to line t */
LOCAL VOID showdtree(f, t, c)
X  register int f, t, c;
X{
X  register dlist *dp;
X
X  /* Search for first directory to print ... */
X  for(dp = tdlist; dp && DTROW(dp) < f; dp = (dlist *) DNEXT(dp))
X    ;
X  /* ... and print out from f to t */
X  for( ; dp && DTROW(dp) <= t; dp = (dlist *) DNEXT(dp))
X    showdline(dp);
X  /* Clear to end of tree window */
X  if(c && dp && DTROW(dp) < lastdline)
X    clearwindow(DTROW(dp), lastdline);
X
X} /* showdtree() */
X
X/* Display tree position bar */
LOCAL VOID showtbar()
X{
X  static int bar = 0;
X  register dlist *dp;
X  register int f, l, i;
X
X  if(dircount > (ndlines + 1)) {      /* More dirs than lines */
X    dp = tdlist;
X    while(DNEXT(dp) && DTROW(dp) < lastdline)
X      dp = (dlist *) DNEXT(dp);
X    f = ((DDNUM(tdlist) + 1) * ndlines) / dircount + firstdline;
X    l = ((DDNUM(dp)     + 1) * ndlines) / dircount + firstdline;
X    if(f <= firstdline)
X      f = DPREV(tdlist) ? firstdline + 1 : firstdline;
X    if(l >= lastdline)
X      l = DNEXT(dp)     ? lastdline  - 1 : lastdline;
X    i = firstdline;
X    while(i < f)
X      putcxy(BCOL, i++, ' ');
X    if(videomode && (videocap & VA_REVERSE)) {
X      setvideo(DA_HALFREV);
X      putcxy(BCOL, i++, ' ');
X      while(i <= l)
X       putcxy(BCOL, i++, ' ');
X      setvideo(DA_NORMAL);
X    }
X    else {
X      (void) setgraphic(GC_ON);
X      putcxy(BCOL, i++, GC_TT);
X      while(i < l)
X       putcxy(BCOL, i++, GC_VB);
X      putcxy(BCOL, i++, GC_BT);
X      (void) setgraphic(GC_OFF);
X    }
X    while(i <= lastdline)
X      putcxy(BCOL, i++, ' ');
X    bar = 1;
X  }
X  else if(bar) {
X    for(i = firstdline; i <= lastdline; i++)
X      putcxy(BCOL, i, ' ');
X    bar = 0;
X  }
X
X} /* showtbar() */
X
X/* Display separator line between tree and file window */
LOCAL VOID showsline()
X{
X  static int lb = 0;
X  register dlist *dp;
X  register char *cp, *cz;
X  register int i, j;
X
X  cp = CPNAM + strlen(rootdir);
X  cz = CZOOM ? CZOOM : "*";
X  setvideo(DA_REVERSE);
X  if(*cp)
X    i = putfxy(0, SLIN, 0, ".%s/%s: %d file(s) %d dir(s)", cp, cz, CNFIL, CNDIR);
X  else
X    i = putfxy(0, SLIN, 0, "./%s: %d file(s) %d dir(s)", cz, CNFIL, CNDIR);
X  while(i++ < columns)
X    (void) putchar(' ');
X  setvideo(DA_NORMAL);
X
X} /* showsline() */
X
X/*
X *      TREE SCREEN UPDATE AND REFRESH
X */
X
X/* Update tree screen */
LOCAL int updatetree(f)
X  register int f;
X{
X  register int n, rv;
X
X  if(treeflag & SF_LIST) {                      /* Check current directory */
X    if((CFLAG != FL_FIL || changedlist(cdlist)) && newflist(cdlist) != RV_OK)
X      return(RV_ERR);
X  }
X  rv = RV_OK;
X  if(keypressed())                              /* There are chars in input buffer */
X    return(rv);
X  if(treeflag == SF_FULL) {                     /* Full screen update */
X    clearscreen();
X    cdlast = tdlast = DNULL;
X  }
X  if(treeflag & SF_TREE) {                      /* Tree screen */
X    n = tdlast ? DDNUM(tdlast) - DDNUM(tdlist) : 0;
X    if(CANSCROLL && n < 0 && n > -ndlines) {
X      (void) windowup(firstdline, lastdline, -n);
X      showdtree(lastdline + n + 1, lastdline, 0);
X      showdlist(cdlast, 0);
X    }
X    else if(CANSCROLL && n > 0 && n < ndlines) {
X      (void) windowdown(firstdline, lastdline, n);
X      showdtree(firstdline, firstdline + n - 1, 0);
X      showdlist(cdlast, 0);
X    }
X    else
X      showdtree(firstdline, lastdline, treeflag != SF_FULL);
X    treeflag |= SF_PBAR;
X  }
X  else if(treeflag & SF_LAST)                   /* Last directory */
X    showdlist(cdlast, 0);
X  if(treeflag & SF_PBAR)                        /* Tree position bar */
X    showtbar();
X  if(treeflag & SF_LIST) {                      /* Current directory */
X    showdlist(cdlist, 1);
X    showsline();
X  }
X  else if(treeflag & SF_SEPL)
X    showsline();
X  if(treeflag & SF_FILE)                        /* File list */
X    showflist(firstfline);
X  if(treeflag & SF_HELP && !f)                  /* Help line */
X    putmenu("TREE:", menuline);
X  if(treeflag & SF_ECHO && !f)                  /* Echo line */
X    (void) putecho("%s: %d dir(s) %d file(s)", rootdir, dircount, filecount);
X  /* Position to current directory, set variables and return */
X  (void) cursorxy(TCOL+DTCOL(cdlist)-1, DTROW(cdlist));
X  cdlast = cdlist;
X  tdlast = tdlist;
X  treeflag = 0;
X  return(rv);
X
X} /* updatetree() */
X
X/*
X *      SCROLL UP OR DOWN DIRECTORY TREE
X */
X
X/* Scroll directory tree */
LOCAL int scrolltree(dir)
X  register int dir;
X{
X  register dlist *dp;
X  register int i;
X
X  /* Is scrolling possible? */
X  if((dir < 0 && DPREV(tdlist) == GNULL) || (dir > 0 && CNEXT == GNULL))
X    return(0);
X  if(dir < 0) {                 /* Scroll down */
X    tdlist = (dlist *) DPREV(tdlist);
X    if(CANSCROLL) {
X      (void) windowdown(firstdline, lastdline, 1);
X      showdline(tdlist);
X      treeflag |= SF_MOVE|SF_PBAR;
X    }
X    else
X      treeflag |= SF_TREE|SF_LIST|SF_PBAR;
X  }
X  else {                        /* Scroll up */
X    for(dp = tdlist, i = ndlines; i >= 0 ; i--)
X      if(((dp = (dlist *) DNEXT(dp))) == DNULL)
X       return(0);
X    tdlist =  (dlist *) DNEXT(tdlist);
X    if(CANSCROLL) {
X      (void) windowup(firstdline, lastdline, 1);
X      for(dp = tdlist; DTROW(dp) < lastdline; dp = (dlist *) DNEXT(dp))
X       ;
X      showdline(dp);
X      treeflag |= SF_MOVE|SF_PBAR;
X    }
X    else
X      treeflag |= SF_TREE|SF_LIST|SF_PBAR;
X  }
X  if(DTROW(cdlist) < firstdline)        /* Change current directory */
X    (void) gotree(1);                   /* if out of screen         */
X  else if(DTROW(cdlist) > lastdline)
X    (void) gotree(-1);
X  return(1);
X
X} /* scrolltree() */
X
X/*
X *      CHECK TREE
X */
X
X/* Check if all directories in tree are unchanged or read in */
LOCAL int checktree(msg)
X  register char *msg;
X{
X  register dlist *dp;
X  register int c;
X
X  if(VARSET(V_ST) && scandlist(cdlist) != RV_OK)
X    return(RV_NUL);
X  for(dp = (dlist *) CNEXT; dp && DLEVL(dp) > CLEVL; dp = (dlist *) DNEXT(dp)) {
X    if(DFLAG(dp) != FL_FIL) {
X      ++buildflag;
X      bell(VARSET(V_BL));
X      puthelp("%s (Y:continue  ELSE:quit)", who);
X      c = hitakey(msg, echoline, DA_NONE);
X      return(c == 'y' ? RV_OK : c);
X    }
X  }
X  return(RV_OK);
X
X} /* checktree() */
X
X/*
X *      TAG/UNTAG FILES IN TREE
X */
X
X/* Tag files in directory tree */
LOCAL int tagtree(t)
X  register int t;
X{
X  char input[PATLEN];
X  register dlist *dp;
X  register int f, c, ff, nt;
X
X  who = t ? "TAG TREE" : "TAG DIRECTORY";
X  if(t && (c = checktree(mustup)) != RV_OK)
X    return(c);
X
X  puthelp("%s: Give file pattern (CR:%s)", who, tpattern[0] ? tpattern : "quit");
X  if((c = getpattern(input, "Tag which files:")) == RV_OK)
X    (void) strcpy(tpattern, input);
X  else if(c < RV_NUL || (c == RV_NUL && tpattern[0] == '\0'))
X    return(c);
X
X  /* Walk thru subtree */
X  puthelp("%s %s", who, cancel);
X  dp = cdlist;
X  ff = 0;
X  do {
X    nt = DNTAG(dp);
X    if( !DCANC(dp))
X      continue;
X    else if(DFLAG(dp) != FL_FIL && (f = newflist(dp)) != RV_OK) /* Update! */
X      return(f);
X    else if(keypressed() && hitakey(NULL) < RV_NUL)
X      break;
X    /* Walk thru file list */
X    for(f = 0; f < DNFIL(dp); f++)
X      if(umatch(dp, f, tpattern) > 0) {
X       FITAG(dp, f) = FF_TAG;
X       ++DNTAG(dp);
X       ++ff;
X      }
X    if(nt != DNTAG(dp))
X      showdlist(dp, 0);
X  } while(t && (dp = (dlist *) DNEXT(dp)) && DLEVL(dp) > CLEVL);
X
X  if(ff > 0)
X    treeflag |= SF_FILE|SF_LIST;
X  puthelp("%s: %s %s", who, tpattern, hitkey);
X  (void) putecho("Tagged %d file(s) matching %s", ff, tpattern);
X  return(hitakey(NULL));
X
X} /* tagtree() */
X
X/* Untag files in directory tree */
LOCAL int untagtree(t)
X  register int t;
X{
X  char pat[PATLEN];
X  register dlist *dp;
X  register int f, c, ff, nt;
X
X  who = t ? "UNTAG TREE" : "UNTAG DIRECTORY";
X  if(t && (c = checktree(mustup)) != RV_OK)
X    return(c);
X
X  puthelp("%s: Give file pattern (CR:all files)", who);
X  if((c = getpattern(pat, "Untag which files:")) < RV_NUL)
X    return(c);
X  else if(c == RV_NUL)
X    (void) strcpy(pat, "*");
X
X  /* Walk thru subtree */
X  puthelp("%s %s", who, cancel);
X  dp = cdlist;
X  ff = 0;
X  do {
X    nt = DNTAG(dp);
X    if( !DCANC(dp))
X      continue;
X    else if(DFLAG(dp) != FL_FIL && (f = newflist(dp)) != RV_OK)
X      return(f);
X    else if(keypressed() && hitakey(NULL) < RV_NUL)
X      break;
X    /* Walk thru file list */
X    for(f = 0; f < DNFIL(dp); f++)
X      if(ISTAG(dp, f) && umatch(dp, f, pat) > 0) {
X       FITAG(dp, f) = FF_NONE;
X       if(DNTAG(dp) > 0)
X         --DNTAG(dp);
X       ++ff;
X      }
X    if(nt != DNTAG(dp))
X      showdlist(dp, 0);
X  } while(t && (dp = (dlist *) DNEXT(dp)) && DLEVL(dp) > CLEVL);
X
X  if(ff > 0)
X    treeflag |= SF_FILE|SF_LIST;
X  puthelp("%s: %s %s", who, pat, hitkey);
X  (void) putecho("Untagged %d file(s) matching %s", ff, pat);
X  return(hitakey(NULL));
X
X} /* untagtree() */
X
X/* Check if there are tagged files */
LOCAL int checktagged()
X{
X  register dlist *dp;
X  register int f, n;
X
X  /* Walk thru subtree */
X  dp = cdlist;
X  n = 0;
X  do {
X    if( !DCANC(dp))
X      continue;
X    /* Walk thru file list */
X    for(f = 0; f < DNFIL(dp); f++)
X      if(ISTAG(dp, f))
X       ++n;
X  } while((dp = (dlist *) DNEXT(dp)) && DLEVL(dp) > CLEVL);
X  return(n);
X
X} /* checktagged() */
X
X/*
X *      COMMANDS WORKING ON TAGGED FILES
X */
X
X/* Remove tagged files in tree */
GLOBL int removetagged()
X{
X  register dlist *dp;
X  register int c, f, n, rflag;
X
X  who = "REMOVE TAGGED FILES";
X  if(checktagged() == 0) {      /* No tagged files */
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "No tagged files found"));
X  }
X
X  puthelp("%s (Y:request  N:don't request  ELSE:quit)", who);
X  c = hitakey("Request before removing tagged files ?", echoline, DA_NONE);
X  if( !(c == 'y' || c == 'n'))
X    return(c);
X  rflag = c == 'y';
X
X  if(rflag)
X    puthelp("REMOVE FILE (Y:remove  Q:quit  ELSE:don't remove)");
X  else
X    puthelp("%s (In progress ...)", who);
X
X  /* Walk thru subtree */
X  dp = cdlist;
X  n = 0;
X  do {
X    if(CNTAG > 0) {             /* Contains tagged files */
X      treeflag &= ~(SF_ECHO|SF_HELP);
X      (void) updatetree(0);
X      /* Walk thru file list */
X      for(f = CNFIL - 1; f >= 0; f--) {
X       if(ISTAG(cdlist, f)) {
X         c = removefile(cdlist, f, rflag);
X         if(c == 'q' || c < RV_NUL)
X           goto ENDLOOP;
X         else if(c == RV_OK) {
X           ++n;
X           FITAG(cdlist, f) = FF_NONE;
X           if(CNTAG > 0)
X             --CNTAG;
X           if(rflag)
X             showflist(firstfline);
X         }
X       }
X      }
X      if(CFLAG == FL_CHG) {
X       if((c = newflist(cdlist)) != RV_OK)
X         goto ENDLOOP;
X       else
X         showdlist(cdlist, 0);
X      }
X    }
X  } while(gotree(1) && CLEVL > DLEVL(dp));
X
XENDLOOP:
X  if(c == RV_END)
X    return(c);
X  while(cdlist != dp)           /* Position to starting directory */
X    (void) gotree(-1);
X  puthelp("%s %s", who, hitkey);
X  if(n > 0) {
X    treeflag = SF_FULL;
X    (void) putecho("Removed %d tagged file(s)",  n);
X  }
X  else
X    (void) putecho("No files removed");
X  return(hitakey(NULL));
X
X} /* removetagged() */
X
LOCAL char *dirselect(what)
X  register char *what;
X{
X  register char *dn;
X
X  dn = selectdir(what);
X  treeflag = SF_FULL;
X  treeflag &= ~(SF_HELP|SF_ECHO);
X  (void) updatetree(0);
X  return(dn);
X
X} /* dirselect() */
X
X/* Move tagged files in tree */
GLOBL int movetagged()
X{
X  char name[NAMELEN];
X  struct stat st;
X  register dlist *dp;
X  register char *to;
X  register int c, f, n, rflag;
X
X  who = "MOVE TAGGED FILES";
X  if(checktagged() == 0) {      /* No tagged files */
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "No tagged files found"));
X  }
X
X  puthelp("%s: Give destination directory (CR:select one)", who);
X  c = putecho("Move tagged files to:");
X  if((c = getline(name, sizeof(name), c, 0, NULL, CLIST, 0)) < RV_NUL)
X    return(c);
X  if(c == RV_OK) {
X    to = strcpy(name, pathname(name, CPNAM));
X    if((*statfun)(to, &st) < 0) {
X      puthelp("%s %s", who, hitkey);
X      return(errequest(name, "Cannot stat"));
X    }
X    else if(STFMT(&st) != S_IFDIR) {
X      puthelp("%s %s", who, hitkey);
X      return(errequest(name, "Is not a directory"));
X    }
X  }
X  else if((to = dirselect("moving files")) == NULL) {
X    fileflag |= SF_ECHO|SF_HELP;
X    return(RV_NUL);
X  }
X
X  puthelp("%s (Y:request  N:don't request  ELSE:quit)", who);
X  c = hitakey("Request before moving tagged files ?", echoline, DA_NONE);
X  if( !(c == 'y' || c == 'n'))
X    return(c);
X  rflag = c == 'y';
X
X  if(rflag)
X    puthelp("MOVE FILE (Y:copy  Q:quit  ELSE:don't copy)");
X  else
X    puthelp("%s (In progress ...)", who);
X
X  /* Walk thru subtree */
X  dp = cdlist;
X  n = 0;
X  do {
X    if(CNTAG > 0) {             /* Contains tagged files */
X      treeflag &= ~(SF_ECHO|SF_HELP);
X      (void) updatetree(0);
X      /* Walk thru file list */
X      for(f = CNFIL - 1; f >= 0; f--) {
X       if(ISTAG(cdlist, f)) {
X         c = movefile(cdlist, f, to, rflag);
X         if(c == 'q' || c < RV_NUL)
X           goto ENDLOOP;
X         else if(c == RV_OK) {
X           ++n;
X           FITAG(cdlist, f) = FF_NONE;
X           if(CNTAG > 0)
X             --CNTAG;
X         }
X       }
X      }
X      if(CFLAG == FL_CHG) {
X       if((c = newflist(cdlist)) != RV_OK)
X         goto ENDLOOP;
X       else
X         showdlist(cdlist, 0);
X      }
X    }
X  } while(gotree(1) && CLEVL > DLEVL(dp));
X
XENDLOOP:
X  if(c == RV_END)
X    return(c);
X  checkdlist(to);
X  while(cdlist != dp)           /* Position to starting directory */
X    (void) gotree(-1);
X  puthelp("%s %s", who, hitkey);
X  if(n > 0) {
X    treeflag = SF_FULL;
X    (void) putecho("Moved %d file(s) to %s",  n, to);
X  }
X  else
X    (void) putecho("No files moved");
X  return(hitakey(NULL));
X
X} /* movetagged() */
X
X/* Copy tagged files in tree */
GLOBL int copytagged()
X{
X  char name[NAMELEN];
X  struct stat st;
X  register dlist *dp;
X  register char *to;
X  register int c, f, n, rflag;
X
X  who = "COPY TAGGED FILES";
X  if(checktagged() == 0) {      /* No tagged files */
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "No tagged files found"));
X  }
X
X  puthelp("%s: Give destination directory (CR:select one)", who);
X  c = putecho("Copy tagged files to:");
X  if((c = getline(name, sizeof(name), c, 0, NULL, CLIST, 0)) < RV_NUL)
X    return(c);
X  if(c == RV_OK) {
X    to = strcpy(name, pathname(name, CPNAM));
X    if((*statfun)(to, &st) < 0) {
X      puthelp("%s %s", who, hitkey);
X      return(errequest(name, "Cannot stat"));
X    }
X    else if(STFMT(&st) != S_IFDIR) {
X      puthelp("%s %s", who, hitkey);
X      return(errequest(name, "Is not a directory"));
X    }
X  }
X  else if((to = dirselect("copying files")) == NULL) {
X    fileflag |= SF_ECHO|SF_HELP;
X    return(RV_NUL);
X  }
X
X  puthelp("%s (Y:request  N:don't request  ELSE:quit)", who);
X  c = hitakey("Request before copying tagged files ?", echoline, DA_NONE);
X  if( !(c == 'y' || c == 'n'))
X    return(c);
X  rflag = c == 'y';
X
X  if(rflag)
X    puthelp("COPY FILE (Y:copy  Q:quit  ELSE:don't copy)");
X  else
X    puthelp("%s (In progress ...)", who);
X
X  /* Walk thru subtree */
X  dp = cdlist;
X  n = 0;
X  do {
X    if(CNTAG > 0) {             /* Contains tagged files */
X      treeflag &= ~(SF_ECHO|SF_HELP);
X      (void) updatetree(0);
X      /* Walk thru file list */
X      for(f = CNFIL - 1; f >= 0; f--) {
X       if(ISTAG(cdlist, f)) {
X         c = copyfile(cdlist, f, to, rflag);
X         if(c == 'q' || c < RV_NUL)
X           goto ENDLOOP;
X         else if(c == RV_OK) {
X           ++n;
X           FITAG(cdlist, f) = FF_NONE;
X           if(CNTAG > 0)
X             --CNTAG;
X         }
X       }
X      }
X    }
X  } while(gotree(1) && CLEVL > DLEVL(dp));
X
XENDLOOP:
X  if(c == RV_END)
X    return(c);
X  checkdlist(to);
X  while(cdlist != dp)           /* Position to starting directory */
X    (void) gotree(-1);
X  puthelp("%s %s", who, hitkey);
X  if(n > 0) {
X    treeflag = SF_FULL;
X    (void) putecho("Copied %d file(s) to %s",  n, to);
X  }
X  else
X    (void) putecho("No files copied");
X  return(hitakey(NULL));
X
X} /* copytagged() */
X
X/*
X *      RESIZE DIRECTORY TREE WINDOW
X */
X
X/* Recalculate and update dlists on directory window */
GLOBL VOID calculatetree(n)
X  register int n;
X{
X  register dlist *dp;
X
X  if(tdlist && cdlist) {        /* Tree window needs update */
X    if(n < 0 && DTROW(cdlist) > lastdline) {
X      while(DTROW(cdlist) > lastdline)
X       tdlist = (dlist *) DNEXT(tdlist);
X    }
X    else if(n > 0) {
X      for( ; n > 0; n--) {
X       for(dp = cdlist; dp && DTROW(dp) < lastdline; dp = (dlist *) DNEXT(dp))
X         ;
X       if(DPREV(tdlist) && dp == DNULL)
X         tdlist = (dlist *) DPREV(tdlist);
X       else
X         break;
X      }
X    }
X  }
X
X} /* calculatetree() */
X
X/* Enlarge or shrink the tree window  */
LOCAL int resizetree(dir)
X  register int dir;
X{
X  register dlist *dp;
X
X  /* Enlarge tree window if possible */
X  if(dir > 0 && nflines > MINFIL) {
X    ++lastdline;
X    for(dp = cdlist; dp && DTROW(dp) < lastdline; dp = (dlist *) DNEXT(dp))
X      ;
X    if(DPREV(tdlist) && dp == DNULL) {
X      tdlist = (dlist *) DPREV(tdlist);
X      if(CANSCROLL) {
X       (void) windowdown(firstdline, lastfline, 1);
X       showdline(tdlist);
X       treeflag |= SF_MOVE;
X      }
X      else
X       treeflag |= SF_TREE|SF_LIST;
X    }
X    else if(CANSCROLL) {
X      (void) windowdown(lastdline, lastfline, 1);
X      showdline(dp);
X      treeflag |= SF_MOVE;
X    }
X    else
X      treeflag |= SF_TREE|SF_LIST|SF_FILE;
X    ++ndlines;
X    --nflines;
X    ++firstfline;
X    checklines(0);
X  }
X  /* Shrink tree window if possible */
X  else if(dir < 0 && nflines < calculatelines()) {
X    --ndlines;
X    --firstfline;
X    if(DTROW(cdlist) == lastdline) {
X      tdlist = (dlist *) DNEXT(tdlist);
X      if(CANSCROLL) {
X       (void) windowup(firstdline, lastfline, 1);
X       showflist(lastfline);
X       treeflag |= SF_MOVE;
X      }
X      else
X       treeflag |= SF_TREE|SF_LIST|SF_FILE;
X    }
X    else if(CANSCROLL) {
X      (void) windowup(lastdline, lastfline, 1);
X      showflist(lastfline);
X      treeflag |= SF_MOVE;
X    }
X    else
X      treeflag |= SF_TREE|SF_LIST|SF_FILE;
X    --lastdline;
X    ++nflines;
X    checklines(0);
X  }
X  else
X    return(0);
X
X  treeflag |= SF_SEPL|SF_PBAR;
X  return(1);
X
X} /* resizetree() */
X
X/*
X *      INFORMATION AND STATUS OF DIRECTORY
X */
X
X/* Show some directory information */
LOCAL int infodir()
X{
X  char buf[EXECLEN];
X  struct stat st;
X  register FILE *pp;
X  register int i;
X
X  who = "INFO";
X  puthelp("%s: %s %s", who, CPNAM, hitkey);
X  if((*statfun)(CPNAM, &st))
X    return(errequest(CFNAM, "Cannot stat"));
X
X  (void) putecho("Scanning disk for disk usage, wait a moment ... ");
X  flushout();
X  (void) sprintf(buf, "%s %s", DUDIR, CPNAM);
X  if(pp = popen(buf, "r")) {    /* Let du summarize used blocks */
X    (void) fgets(buf, sizeof(buf), pp);
X    (void) pclose(pp);
X    i = 0;
X    while(buf[i] >= '0' && buf[i] <= '9')
X      ++i;
X    buf[i] = '\0';
X  }
X  else                          /* Error in calling du */
X    (void) strcpy(buf, "?");
X  (void) putecho("Access:%s Blocks:%s Files:%d Dirs:%d Date:%s",
X                 fileaccess(&st), buf, CNFIL, CNDIR, ctime(&st.st_mtime));
X  return(hitakey(NULL));
X
X} /* infodir() */
X
X/* Show and change directory status */
LOCAL int statusdir()
X{
X  register int c;
X
X  c = statusfile(CPNAM, 0);
X  if(buildflag) {               /* Rebuilding needed */
X    c = newflist(cdlist);
X    buildflag = 0;
X  }
X  return(c);
X
X} /* statusdir() */
X
X/*
X *      BACKUP DIRECTORY OR TREE
X */
X
X/* Create filelist for backup */
LOCAL int backuplist(name, t)
X  register char *name;
X  register int t;
X{
X  char fname[NAMELEN];
X  register FILE *file;
X  register dlist *dp;
X  register char *dname;
X  register int dlen, i;
X
X  (void) strcpy(fname, pathname(name, CPNAM));
X  if(file = fopen(fname, "w")) {
X    /* Write out tree or subtree list */
X    dlen = strlen(CPNAM);
X    for(i = 0; i < CNFIL ; i++)
X      if( !t || ISTAG(cdlist, i)) {
X       (void) fprintf(file, "%s\n", FFNAM(cdlist, i));
X       FITAG(cdlist, i) = FF_NONE;
X       if(CNTAG > 0)
X         --CNTAG;
X      }
X    for(dp = (dlist *) CNEXT; dp && DLEVL(dp) > CLEVL; dp = (dlist *) DNEXT(dp)) {
X      if( !DCANC(dp))
X       continue;
X      dname = &(DPNAM(dp)[dlen+1]);
X      for(i = 0; i < DNFIL(dp); i++)
X       if( !t || ISTAG(dp, i)) {
X         (void) fprintf(file, "%s\n", pathname(FFNAM(dp, i), dname));
X         FITAG(dp, i) = FF_NONE;
X         if(DNTAG(dp) > 0)
X           --DNTAG(dp);
X       }
X    }
X    (void) fclose(file);
X  }
X  else {
X    puthelp("%s %s", who, hitkey);
X    return(errequest(prgname, "Cannot create backup list file"));
X  }
X
X  checkdlist(fname);            /* Update needed? */
X  return(buildflag ? updatedlist() : RV_OK);
X
X} /* backuplist() */
X
X/* Backup directory/subtree or tagged files in subtree */
LOCAL int backupdir(t)
X  register int t;
X{
X  char name[INPLEN], list[NAMELEN], buf[EXECLEN];
X  register dlist *dp;
X  register int c;
X
X  who = t ? "BACKUP TAGGED FILES" : "BACKUP TREE";
X  if( !VARSET(V_BK)) {                  /* No backup program */
X    puthelp("%s %s", who, hitkey);
X    return(errequest(prgname, "No backup program defined"));
X  }
X  else if(t && checktagged() == 0) {    /* No tagged files */
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "No tagged files found"));
X  }
X  else if((c = changelist(cdlist, who)) != RV_OK)
X    return(c);
X
X  /* Update subtree if needed */
X  if( !t) {
X    if((c = checktree(mustup)) != RV_OK)
X      return(c);
X    for(dp = (dlist *) CNEXT; dp && DLEVL(dp) > CLEVL; dp = (dlist *) DNEXT(dp))
X      if(DFLAG(dp) != FL_FIL) {
X       if((c = newflist(dp)) != RV_OK)
X         return(c);
X       else
X         treeflag |= SF_TREE|SF_LIST;
X      }
X    if(treeflag)
X      (void) updatetree(0);
X  }
X
X  puthelp("%s: Give filename for backup list (CR:$HOME/%s)", who, UTBACK);
X  c = putecho("List file name:");
X  if((c = getline(name, sizeof(name), c, 0, NULL, CLIST, 1)) == RV_OK)
X    (void) strcpy(list, name);
X  else if(c == RV_NUL)
X    (void) strcpy(list, pathname(UTBACK, home));
X  else
X    return(c);
X  if((c = backuplist(list, t)) != RV_OK)
X    return(c);
X
X  /* Build command line and call backup program */
X  treeflag = SF_FULL;
X  if( !VARSET(V_BKO))
X    (void) sprintf(buf, "%s %s", VARVAL(V_BK), list);
X  else
X    (void) sprintf(buf, "%s %s %s", VARVAL(V_BK), VARVAL(V_BKO), list);
X  puthelp("%s %s", who, cancel);
X  (void) putecho("Executing backup program %s ...", VARVAL(V_BK));
X  c = callsystem(buf, 1, 0);
X
X  puthelp("%s %s", who, hitkey);
X  if(c != RV_OK)
X    return(errequest(VARVAL(V_BK), "Error in backup"));
X  bell(VARSET(V_BL));
X  return(hitakey("Backup done", echoline, DA_NONE));
X
X} /* backupdir() */
X
X/*
X *      CHANGE TO DIRECTORY
X */
X
X/* Goto a directory */
LOCAL int changedir()
X{
X  static char pattern[PATLEN] = { '\0' };
X  char input[PATLEN];
X  dlist *dp;
X  int c, path, found;
X
X  who = "CHANGE DIRECTORY";
X  /* Get directory name to change to */
X  puthelp("%s: Give directory name (CR:next %s)", who, pattern[0] ? pattern : "quit");
X  c = putecho("Change to:");
X  if((c = getline(input, sizeof(input), c, 0, NULL, CLIST, 0)) < RV_NUL)
X    return(c);
X  else if(c == RV_NUL) {
X    if(pattern[0] == '\0')
X      return(c);
X  }
X  else
X    (void) strcpy(pattern, input);
X
X  /* Search for directory in tree */
X  found = -1;
X  path  = strchr(pattern, '/') != NULL;
X  for(dp = (dlist *) CNEXT; dp; dp = (dlist *) DNEXT(dp))
X    if(match(path ? DPNAM(dp) : DFNAM(dp), pattern) > 0) {
X      found = DDNUM(dp);
X      break;
X    }
X  if(found < 0)
X    for(dp = droot; dp && DDNUM(dp) <= CDNUM; dp = (dlist *) DNEXT(dp))
X      if(match(path ? DPNAM(dp) : DFNAM(dp), pattern) > 0) {
X       found = DDNUM(dp);
X       break;
X      }
X
X  if(found < 0) {               /* Not found */
X    puthelp("%s %s", hitkey, who);
X    return(errequest(pattern, "Not found"));
X  }
X
X  if(CDNUM == found)            /* Found */
X    return(RV_OK);
X  else if(CDNUM > found)        /* Position to directory in tree */
X    while(CDNUM > found)
X      (void) gotree(-1);
X  else
X    while(CDNUM < found)
X      (void) gotree(1);
X
X  return(RV_OK);
X
X} /* changedir() */
X
X/*
X *      LIST FILES IN TREE
X */
X
X/* List matching/tagged files in tree */
LOCAL int listtree(t)
X  register int t;
X{
X  char pat[PATLEN];
X  register dlist *dp;
X  register int c, f, ff, l;
X
X  who = t ? "LIST TAGGED FILES" : "LIST FILES";
X  if(t && checktagged() == 0) {
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "No tagged files found"));
X  }
X  else if((c = checktree(mustup)) != RV_OK)
X    return(c);
X
X  if( !t) {
X    puthelp("%s: Give file pattern (CR:all files)", who);
X    if((c = getpattern(pat, "List which files:")) < RV_NUL)
X      return(c);
X    else if(c == RV_NUL)
X      (void) strcpy(pat, "*");
X  }
X
X  /* Show all matching files */
X  dp = cdlist;
X  l = firstline;
X  ff = 0;
X  c = RV_OK;
X  do {
X    if( !DCANC(dp))
X      continue;
X    else if(DFLAG(dp) != FL_FIL && (c = newflist(dp)) != RV_OK)
X      return(c);
X    for(f = 0; f < DNFIL(dp); f++)
X      if((t && ISTAG(dp, f)) || umatch(dp, f, pat) > 0) {
X       if(l == firstline) {
X         if(ff > 0) {
X           if(t)
X             puthelp("%s (CR:continue  ELSE:quit)", who);
X           else
X             puthelp("%s: %s (CR:continue  ELSE:quit)", who, pat);
X           c = hitakey("Continue listing ?", echoline, DA_NONE);
X           if( !(c == '\n' || c == ' '))
X             break;
X           else
X             c = RV_OK;
X         }
X         treeflag = SF_FULL;
X         clearwindow(firstline, lastline);
X       }
X       ++ff;
X       (void) putfxy(0, l, 0, "%s", pathname(FFNAM(dp, f), DPNAM(dp)));
X       if(++l > lastline)
X         l = firstline;
X      }
X  } while(c == RV_OK && (dp = (dlist *) DNEXT(dp)) && DLEVL(dp) > CLEVL);
X
X  if(c >= RV_NUL) {
X    puthelp("%s %s", who, hitkey);
X    if(t)
X      (void) putecho("Listed %d tagged file(s)", ff);
X    else
X      (void) putecho("Listed %d file(s) matching %s", ff, pat);
X    c = hitakey(NULL);
X  }
X  return(c);
X
X} /* listtree() */
X
X/*
X *      CREATE A DIRECTORY
X */
X
X/* Create a directory */
LOCAL int makedir()
X{
X  char newname[NAMELEN], buf[EXECLEN];
X  register dlist *dp;
X  register int c, i;
X
X  who = "MAKE DIRECTORY";
X  if( !CCANC) {                 /* Cannot change to directory */
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "Cannot make directory"));
X  }
X
X  puthelp("%s: Give directory name (CR:quit)", who);
X  c = putecho("Make directory:");
X  if((c = getline(newname, sizeof(newname), c, 0, NULL, GNULL, 0)) != RV_OK)
X    return(c);
X
X  puthelp("%s %s", who, hitkey);
X  if(strchr(newname, '/') || EQU(newname, ".") || EQU(newname, ".."))
X    return(errequest(newname, "Cannot make directory"));
X  for(i = 0; i < CNFIL; i++)
X    if(EQU(FFNAM(cdlist, i), newname))
X      return(errequest(newname, "Already exists"));
X
X  /* Build command line and call mkdir program */
X  (void) sprintf(buf, "%s %s", MKDIR, pathname(newname, CPNAM));
X  if(callsystem(buf, 0, 0) != RV_OK)
X    return(errequest(newname, "Error in creating"));
X
X  /* Insert new directory into tree and file lists */
X  dp = newdlist(newname, FL_FIL);
X  c  = newflist(cdlist);
X
X  /* Update flag and return */
X  if(dp) {
X    treeflag = SF_FULL;
X    return(c);
X  }
X  return(RV_NUL);
X
X} /* makedir() */
X
X/*
X *      REMOVE A DIRECTORY OR TREE
X */
X
X/* Remove a directory */
LOCAL int removedir()
X{
X  char buf[EXECLEN];
X  register dlist *dp;
X  register int c, i, rflag;
X
X  who = "REMOVE DIRECTORY";
X  /* Check if removing is permitted */
X  if( !CCANC || cdlist == droot || CNDIR > 0) {
X    puthelp("%s %s", who, hitkey);
X    if( !CCANC)                 /* Cannot change to directory */
X      return(errequest(CFNAM, "Cannot remove"));
X    else if(cdlist == droot)    /* Root cannot be removed */
X      return(errequest(CFNAM, "Cannot remove root directory"));
X    else if(CNDIR > 0)          /* Contains subdirectories */
X      return(errequest(CFNAM, "Contains subdirectories. Cannot remove subtrees"));
X  }
X
X  puthelp("%s (Y:remove  ELSE:quit)", who);
X  rflag = 0;
X  (void) putecho("Remove directory %s ?", CFNAM);
X  if((c = hitakey(NULL)) != 'y')
X    return(c);
X  if(CNFIL > 0) {
X    puthelp("%s (Y:request  N:don't request  ELSE:quit)", who);
X    c = hitakey("Directory is not empty, request before removing files ?", echoline, DA_NONE);
X    if( !(c == 'y' || c == 'n'))
X      return(c);
X    rflag = c == 'y';
X  }
X
X  /* First remove files from directory */
X  if(rflag)
X    puthelp("REMOVE FILE (Y:remove  Q:quit  ELSE:don't remove)");
X  else
X    puthelp("%s (In progress ...)", who);
X  for(i = CNFIL - 1; i >= 0; i--) {
X    c = removefile(cdlist, i, rflag);
X    if(c == 'q' || c < RV_NUL)
X      return(c);
X    else if(c == RV_OK && rflag) {
X      showflist(firstfline);
X      (void) putfxy(FCOL, DTROW(cdlist), 0, NFFMT, CNFIL);
X    }
X  }
X
X  /* There are files: cannot remove directory */
X  if(CNFIL > 0) {
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "Is not empty"));
X  }
X
X  if(rflag) {                   /* Request before removing */
X    puthelp("%s (Y:remove  ELSE:quit)", who);
X    (void) putecho("Remove directory %s ?", CFNAM);
X    if((c = hitakey(NULL)) != 'y')
X      return(c);
X  }
X  (void) changelist(droot, NULL);
X  (void) sprintf(buf, "%s %s", RMDIR, CPNAM);
X  if(callsystem(buf, 0, 0) != RV_OK) {
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "Error in removing"));
X  }
X
X  /* Get new top directory on screen and current directory */
X  for(dp = cdlist; dp && DTROW(dp) <= lastdline; dp = (dlist *) DNEXT(dp))
X    ;
X  if(cdlist == tdlist || (tdlist != droot && dp == DNULL)) {
X    tdlist = (dlist *) DPREV(tdlist);
X    c = 1;
X  }
X  else {
X    tdlast = DNULL;
X    c = 0;
X  }
X  cdlist = (dlist *) CPREV;
X
X  /* Delete directory list entry */
X  deletedlist(CNEXT);
X
X  /* Update flags */
X  treeflag = SF_FULL;
X  writeflag = 1;
X  return(RV_OK);
X
X} /* removedir() */
X
X/*
X *      BUILD SUBDIRECTORY TREE
X */
X
X/* Scan current directory for subdirs and build up and insert subtree */
LOCAL int buildtree()
X{
X  char inp[5], name[NAMELEN];
X  register dlist *np, *dp, *p;
X  register int lev, f, n;
X
X  who = "BUILD TREE";
X  /* Check if current directory already contains subdirectories */
X  if((p = (dlist *) CNEXT) && DLEVL(p) > CLEVL) {
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "Contains subdirectories"));
X  }
X  /* Check if there is any directory to build */
X  for(f = 0; f < CNFIL; f++)
X    if(FMODE(cdlist, f) == FF_DIR)
X      break;
X  if(f >= CNFIL) {
X    puthelp("%s %s", who, hitkey);
X    return(errequest(CFNAM, "No subdirectories found"));
X  }
X
X  /* Get max level to build up the subtree */
X  puthelp("%s: Give max tree level (CR:quit)", who, CFNAM);
X  n = putecho("Give level:");
X  n = getline(inp, sizeof(inp), n, 0, NULL, GNULL, 0);
X  if(n != RV_OK || (lev = atoi(inp)) <= 0)
X    return(n);
X
X  /* Preserve next dlist and open dlist chain for buildread() */
X  np    = (dlist *) CNEXT;
X  CNEXT = GNULL;
X  n = dircount;
X
X  /* Build up the tree for all files which are directories */
X  for(f = 0; f < CNFIL; f++)
X    if(FMODE(cdlist, f) == FF_DIR) {
X      (void) strcpy(name, pathname(FFNAM(cdlist, f), CPNAM));
X      puthelp("%s: Building %s %s", FFNAM(cdlist, f), who, cancel);
X      if(buildread(name, CLEVL+1, CLEVL+lev, 1) == RV_INT)
X       break;
X    }
X  n = dircount - n;
X
X  if(n > 0) {
X    /* Search for last new dlist, update dlist numbers and close dlist chain */
X    dp = cdlist;
X    f = CDNUM;
X    do
X     DDNUM(dp) = f++;
X    while(DNEXT(dp) && (dp = (dlist *) DNEXT(dp)));
X    DNEXT(dp) = (glist *) np;   /* Close the chain */
X    if(np)
X      DPREV(np) = (glist *) dp;
X    for(dp = np; dp; dp = (dlist *) DNEXT(dp), f++)
X      DDNUM(dp) = f;
X    infodlist();                /* Rebuild treeinfo */
X    checkindent();              /* Check indention */
X    treeflag = SF_FULL;
X    bell(VARSET(V_BL));
X    puthelp("%s %s", who, hitkey);
X    (void) putecho("%d new directories built and inserted", n);
X  }
X  else {
X    /* No new directories found and inserted, close dlist chain */
X    CNEXT = (glist *) np;
X    bell(VARSET(V_BL));
X    puthelp("%s %s", who, hitkey);
X    (void) putecho("No new directories built or inserted");
X  }
X  return(hitakey(NULL));
X
X} /* buildtree() */
X
X/*
X *      UPDATE ALL FILE LISTS
X */
X
X/* Scan directory tree and update all file lists not yet read in or changed */
LOCAL int scantree(f)
X  register int f;
X{
X  register dlist *dp;
X  register int c;
X
X  who = "UPDATE TREE";
X  if(f && (c = checktree("Update tree ?")) != RV_OK)
X    return(c);
X
X  /* Walk thru directory list and update file lists if needed */
X  if(buildflag) {
X    puthelp("%s %s", who, cancel);
X    dp = cdlist;
X    do {
X      if(keypressed() && hitakey(NULL) < RV_NUL)
X       break;
X      if( !DCANC(dp)) {                 /* Cannot cd: skip */
X       DFLAG(dp) = FL_FIL;
X       continue;
X      }
X      else if(DFLAG(dp) != FL_FIL) {    /* Rebuild file list */
X       if((c = newflist(dp)) != RV_OK)
X         return(c);
X       showdline(dp);
X       flushout();
X       treeflag |= SF_MOVE|SF_ECHO;
X      }
X    } while((dp = (dlist *) DNEXT(dp)) && DLEVL(dp) > CLEVL);
X  }
X
X  return(RV_OK);
X
X} /* scantree() */
X
X/*
X *      SORT FILELISTS IN TREE
X */
X
X/* Sort filelists in current directory or subtree */
LOCAL int sorttree(t)
X  register int t;
X{
X  register dlist *dp;
X  register int s;
X
X  who = t ? "SORT TREE" : "SORT DIRECTORY";
X  s = CSORT ? 0 : 1;            /* Toggle sort flag */
X
X  /* Walk thru subtree */
X  puthelp("%s %s", who, cancel);
X  if(t) {
X    for(dp = (dlist *) CNEXT; dp && DLEVL(dp) > CLEVL; dp = (dlist *) DNEXT(dp)) {
X      if(keypressed() && hitakey(NULL) < RV_NUL)
X       return(RV_NUL);
X      (void) sortlist(dp, s);
X    }
X  }
X  if((s = sortlist(cdlist, s)) == RV_OK)
X    treeflag |= SF_FILE;
X
X  return(s);
X
X} /* sorttree() */
X
X/*
X *      ZOOM FILELISTS IN TREE
X */
X
X/* Get zoom pattern and rebuild filelists in directory or subtree */
LOCAL int zoomtree(t)
X  register int t;
X{
X  char pat[PATLEN];
X  register dlist *dp;
X  register int c;
X
X  who = t ? "ZOOM TREE" : "ZOOM DIRECTORY";
X  puthelp("%s: Give file pattern (CR:all files)", who);
X  if((c = getpattern(pat, "Zoom which files:")) < RV_NUL)
X    return(c);
X
X  /* Walk thru subtree */
X  puthelp("%s %s", who, cancel);
X  dp = cdlist;
X  do {
X    if(keypressed() && hitakey(NULL) < RV_NUL)
X      break;
X    if(zoomlist(dp, pat)) {
X      showdline(dp);
X      flushout();
X    }
X  } while(t && (dp = (dlist *) DNEXT(dp)) && DLEVL(dp) > CLEVL);
X
X  treeflag |= SF_FILE|SF_LIST;
X  return(RV_OK);
X
X} /* zoomtree() */
X
X/*
X *      MARKED AND TAGGED DIRECTORIES
X */
X
X/* Set/unset mark on current directory */
LOCAL VOID markdir(f)
X  register int f;
X{
X  if(mdlist == cdlist && !f)    /* Reset mark */
X    mdlist = DNULL;
X  else                          /* Set mark */
X    mdlist = cdlist;
X
X} /* markdir() */
X
X/* Go to marked directory */
LOCAL int gomarkdir()
X{
X  register dlist *mp, *dp;
X
X  if(mdlist) {
X    mp = mdlist;
X    mdlist = cdlist;
X    for(dp = cdlist; dp; dp = (dlist *) DNEXT(dp))      /* Search forward */
X      if(dp == mp) {
X       while(cdlist != mp && gotree(1))
X         ;
X       return(1);
X      }
X    for(dp = droot; dp; dp = (dlist *) DNEXT(dp))       /* Search backward */
X      if(dp == mp) {
X       while(cdlist != mp && gotree(-1))
X         ;
X       return(1);
X      }
X  }
X
X  return(0);                                    /* No mark set */
X
X} /* gomarkdir() */
X
X/* Goto directory containing tagged files */
LOCAL int gotagged()
X{
X  register dlist *dp;
X
X  for(dp = (dlist *) DNEXT(cdlist); dp; dp = (dlist *) DNEXT(dp))
X    if(DNTAG(dp)) {
X      while(gotree(1) && dp != cdlist)
X       ;
X      return(1);
X    }
X  for(dp = droot; dp; dp = (dlist *) DNEXT(dp)) /* Search backward */
X    if(DNTAG(dp)) {
X      if(dp != cdlist)
X       while(gotree(-1) && dp != cdlist)
X         ;
X      return(1);
X    }
X
X  return(0);                                    /* No match */
X
X} /* gotagged() */
X
X/* Goto parent directory */
LOCAL int goparent()
X{
X  register int lev;
X
X  if(cdlist != droot) {
X    lev = CLEVL - 1;
X    while(gotree(-1) && CLEVL != lev)
X      ;
X    return(1);
X  }
X  return(0);
X
X} /* goparent() */
X
X/*
X *      SEARCH FOR PATTERN IN TREE
X */
X
X/* Search for pattern in tree */
LOCAL int greptree(t)
X  register int t;
X{
X  char input[PATLEN];
X  register dlist *dp;
X  register int f, c, ff, nt;
X
X  who = t ? "GREP TREE" : "GREP DIRECTORY";
X  if(t && (c = checktree(mustup)) != RV_OK)
X    return(c);
X
X  puthelp("%s: Give search pattern (CR:%s)", who, gpattern[0] ? gpattern : "quit");
X  c = putecho("Search for pattern:");
X  if((c = getline(input, sizeof(input), c, 0, NULL, GNULL, 0)) == RV_OK)
X    (void) strcpy(gpattern, input);
X  else if(c < RV_NUL || (c == RV_NUL && gpattern[0] == '\0'))
X    return(c);
X  puthelp("%s: Give file pattern (CR:all files)", who);
X  if((c = getpattern(input, "Search in which files:")) == RV_NUL)
X    (void) strcpy(input, "*");
X  else if(c != RV_OK)
X    return(c);
X
X  /* Walk thru subtree */
X  dp = cdlist;
X  do {
X    nt = DNTAG(dp);
X    ff = -1;
X    if(CFLAG != FL_FIL && (c = newflist(cdlist)) != RV_OK)      /* Update! */
X      return(c);
X    /* Walk thru file list */
X    for(c = RV_NUL, f = 0; f < CNFIL; f++) {
X      ff = -1;
X      /* Search in all matching files */
X      if((c = umatch(cdlist, f, input)) > 0) {
X       (void) putecho("Search for \'%s\' in %s", gpattern, pathname(FFNAM(cdlist, f), CPNAM));
X       flushout();
X       /* Search pattern found: what to do? */
X       if((c = grepfile(cdlist, f)) == RV_OK) {
X         ff = f;
X         treeflag &= ~(SF_ECHO|SF_HELP);
X         (void) updatetree(0);
X         puthelp("%s (CR:next  SP:change dir  M:mark dir  T:tag file  ELSE:quit)", who);
X         (void) putecho("Found \'%s\': %s -> %s", gpattern, FFNAM(cdlist, f), CFNAM);
X         if((c = hitakey(NULL)) == 't') {
X           FITAG(cdlist, f) = FF_TAG;
X           ++CNTAG;
X           c = '\n';
X         }
X         else if(c == 'm') {
X           markdir(1);
X           c = '\n';
X         }
X         else if(c == ' ') {
X           if((c = filemenu(ff, RV_NUL)) == RV_END)
X             return(c);
X           (void) updatetree(0);
X           puthelp("%s (CR:continue  SP:select  ELSE:quit)", who);
X           (void) putecho("Continue searching for \'%s\':", gpattern);
X           if((c = hitakey(NULL)) == ' ')
X             return(RV_OK);
X         }
X         if(c != '\n')
X           break;
X       }
X       else if(c == RV_INT)
X         break;
X      }
X    }
X    if(nt != DNTAG(dp))
X      showdlist(dp, 0);
X  } while(t && (c == RV_NUL || c == '\n') && gotree(1) && CLEVL > DLEVL(dp));
X
X  if(c == RV_END)
X    return(c);
X  while(cdlist != dp)           /* Position to starting directory */
X    (void) gotree(-1);
X
X  if(ff < 0) {
X     puthelp("%s %s", who, hitkey);
X     return(errequest(gpattern, "Not found"));
X  }
X  else
X    return(RV_OK);
X
X} /* greptree() */
X
X/*
X *      FIND A FILE IN TREE
X */
X
X/* Find a file in file tree */
LOCAL int findtree(t)
X  register int t;
X{
X  char input[PATLEN];
X  register dlist *dp;
X  register int f, c, ff, nt;
X
X  who = t ? "FIND TREE" : "FIND DIRECTORY";
X  if(t && (c = checktree(mustup)) != RV_OK)
X    return(c);
X
X  puthelp("%s: Give file pattern (CR:%s)", who, fpattern[0] ? fpattern : "quit");
X  if((c = getpattern(input, "Search for which file:")) == RV_OK)
X    (void) strcpy(fpattern, input);
X  else if(c < RV_NUL || (c == RV_NUL && fpattern[0] == '\0'))
X    return(c);
X
X  /* Walk thru subtree */
X  dp = cdlist;
X  do {
X    nt = DNTAG(dp);
X    ff = -1;
X    if(CFLAG != FL_FIL && (c = newflist(cdlist)) != RV_OK)      /* Update! */
X      return(c);
X    (void) putecho("Find \'%s\' in %s", fpattern, CPNAM);
X    flushout();
X    /* Walk thru file list */
X    for(c = RV_NUL, f = 0; f < CNFIL; f++) {
X      ff = -1;
X      /* File found: what to do now? */
X      if((c = findfile(cdlist, f)) == RV_OK) {
X       ff = f;
X       treeflag &= ~(SF_ECHO|SF_HELP);
X       (void) updatetree(0);
X       puthelp("%s (CR:next  SP:change dir  M:mark dir  T:tag file  ELSE:quit)", who);
X       (void) putecho("Found: %s -> %s", FFNAM(cdlist, f), CFNAM);
X       if((c = hitakey(NULL)) == 't') {
X         FITAG(cdlist, f) = FF_TAG;
X         ++CNTAG;
X         c = '\n';
X       }
X       else if(c == 'm') {
X         markdir(1);
X         c = '\n';
X       }
X       else if(c == ' ') {
X         if((c = filemenu(ff, RV_NUL)) == RV_END)
X           return(c);
X         (void) updatetree(0);
X         puthelp("%s (CR:continue  SP:select  ELSE:quit)", who);
X         (void) putecho("Continue searching file \'%s\':", fpattern);
X         if((c = hitakey(NULL)) == ' ')
X           return(RV_OK);
X       }
X       if(c != '\n')
X         break;
X      }
X    }
X    if(nt != DNTAG(dp))
X      showdlist(dp, 0);
X  } while(t && (c == RV_NUL || c == '\n') && gotree(1) && CLEVL > DLEVL(dp));
X
X  if(c == RV_END)
X    return(c);
X  while(cdlist != dp)           /* Position to starting directory */
X    (void) gotree(-1);
X
X  if(ff < 0) {
X    puthelp("%s %s", who, hitkey);
X    return(errequest(fpattern, "Not found"));
X  }
X  else
X    return(RV_OK);
X
X} /* findtree() */
X
X/*
X *      WRITE TREE LIST
X */
X
X/* Write tree list */
LOCAL int writetreelist()
X{
X  char list[INPLEN], name[NAMELEN], pat[PATLEN];
X  register char *fn, *w;
X  register int c, wc;
X
X  who = "WRITE TREE";
X  if((c = changelist(cdlist, who)) < RV_NUL)
X    return(c);
X  puthelp("%s: Give list filename (CR:quit)", who);
X  c = putecho("Write list to:");
X  if((c = getline(list, sizeof(list), c, 0, NULL, CLIST, 1)) != RV_OK)
X    return(c);
X  puthelp("%s: Give choice (D:dirs  F:files  L:list  M:matches  T:tags  ELSE:quit)", who);
X  (void) putecho("Write out what:");
X  switch(c = hitakey(NULL)) {
X    default:  return(c);
X    case 'D':
X    case 'd':
X      wc = 'd';
X      w = "Directory";
X      break;
X    case 'F':
X    case 'f':
X      wc = 'f';
X      w = "File";
X      break;
X    case 'L':
X    case 'l':
X      wc = 'l';
X      w = "Tree";
X      break;
X    case 'T':
X    case 't':
X      wc = 't';
X      w = "Tagged file";
X      break;
X    case 'M':
X    case 'm':
X      puthelp("WRITE MATCHING FILES: Give file pattern (CR:quit)");
X      if((c = getpattern(pat, "Write which files:")) < RV_NUL)
X       return(c);
X      wc = 'm';
X      w = pat;
X      break;
X  }
X
X  /* Write out list file */
X  puthelp("%s %s", who, hitkey);
X  if(fn = writedlist(list, cdlist, w, wc)) {
X    (void) strcpy(name, fn);
X    checkdlist(name);
X    if(buildflag) {
X      if((c = updatedlist()) != RV_OK)
X       return(c);
X      treeflag |= SF_FILE;
X    }
X    if(wc == 'm')
X      (void) putecho("Files matching \'%s\' written to \'%s\'", w, name);
X    else
X      (void) putecho("%s list written to \'%s\'", w, name);
X    return(hitakey(NULL));
X  }
X  /* Error in writing */
X  return(errequest(list, "Cannot write"));
X
X} /* writetreelist() */
X
X/*
X *      MOVE UP OR DOWN IN DIRECTORY TREE
X */
X
X/* Go up or down in directory list */
GLOBL int gotree(dir)
X  register int dir;
X{
X  register int i;
X
X  /* At beginning or end of directory tree */
X  if((dir < 0 && CPREV == GNULL) || (dir > 0 && CNEXT == GNULL))
X    return(0);
X  if(dir < 0) {                 /* Previous directory in tree */
X    cdlist = (dlist *) CPREV;
X    treeflag |= SF_LIST;
X    /* Out of screen boundaries */
X    if(DTROW(cdlist) <= firstdline && cdlist != droot) {
X      tdlist = cdlist;
X      for(i = ndlines / 2; i > 0 && DPREV(tdlist); i--)
X       tdlist = (dlist *) DPREV(tdlist);
X      treeflag |= SF_TREE;
X    }
X    else
X      treeflag |= SF_LAST;
X  }
X  else {                        /* Next directory in tree */
X    cdlist = (dlist *) CNEXT;
X    treeflag |= SF_LIST;
X    /* Out of screen boundaries */
X    if(DTROW(cdlist) > lastdline || (DTROW(cdlist) == lastdline && CNEXT)) {
X      tdlist = cdlist;
X      for(i = ndlines / 2; i > 0 &&  DNEXT(tdlist); i--)
X       tdlist = (dlist *) DNEXT(tdlist);
X      for(i = ndlines; DPREV(tdlist) && i > 0; i--)
X       tdlist = (dlist *) DPREV(tdlist);
X      treeflag |= SF_TREE;
X    }
X    else
X      treeflag |= SF_LAST;
X  }
X
X  treeflag |= SF_FILE;
X  return(1);
X
X} /* gotree() */
X
X/* Go up or down on same level */
LOCAL int golevel(dir)
X  register int dir;
X{
X  register dlist *dp;
X  register int l;
X
X  l = CLEVL;
X  if(dir < 0 && cdlist != droot) {      /* Up */
X    for(dp = (dlist *) CPREV; dp; dp = (dlist *) DPREV(dp))
X      if(DLEVL(dp) <= l)
X       break;
X      do
X       (void) gotree(dir);
X      while(dp && cdlist != dp);
X      if(dp && DLEVL(dp) == l)
X       return(1);
X  }
X  else if(dir > 0 && CNEXT) {           /* Down */
X    for(dp = (dlist *) CNEXT; dp; dp = (dlist *) DNEXT(dp))
X      if(DLEVL(dp) <= l)
X       break;
X      do
X       (void) gotree(dir);
X      while(dp && cdlist != dp);
X      if(dp && DLEVL(dp) == l)
X       return(1);
X  }
X
X  return(0);                            /* Not possible */
X
X} /* golevel() */
X
X/* Go page up or down */
LOCAL int gopage(dir)
X  register int dir;
X{
X  register int l;
X
X  if(dir < 0 && CPREV) {                /* Page up */
X    for(l = ndlines; l > 0 && gotree(dir); l--)
X      ;
X    return(1);
X  }
X  else if(dir > 0 && CNEXT) {           /* Page down */
X    for(l = ndlines; l > 0 && gotree(1) ; l--)
X      ;
X    return(1);
X  }
X
X  return(0);                            /* Not possible */
X
X} /* gopage() */
X
X/* Go to beginning or end of tree */
LOCAL int gobegend(dir)
X  register int dir;
X{
X  if(dir < 0 && CPREV) {                /* Beginning */
X    mdlist = cdlist;
X    while(gotree(dir))
X      ;
X    return(1);
X  }
X  else if(dir > 0 && CNEXT) {           /* End */
X    mdlist = cdlist;
X    while(gotree(dir))
X      ;
X    return(1);
X  }
X
X  return(0);                            /* Not possible */
X
X} /* gobegend() */
X
X/*
X *      REFRESH ON SCREEN RESIZING
X */
X
X#if     defined(SIGWINCH) && defined(TIOCGWINSZ)
X/* Refresh tree screen after screen size changes */
GLOBL int refreshtree(f)
X  register int f;
X{
X  register dlist *dp;
X
X  if(f)
X    (void) refreshfile(0);
X  checkindent();
X  ndlines = lastdline - firstdline;
X  dp = cdlist;
X  cdlist = tdlist = droot;
X  while(cdlist != dp && gotree(1))
X    ;
X  treeflag = SF_FULL;
X  return(RV_OK);
X
X} /* refreshtree() */
X#endif  /* SIGWINCH && TIOCGWINSZ */
X
X/*
X *      SELECT DIRECTORY
X */
X
X/* Walk thru tree and select a directory */
GLOBL char *selectdir(what)
X  register char *what;
X{
X  register dlist *cd, *td;
X  register char *dn;
X  register int c, f;
X
X  /* Save current and top dirs */
X  cd = cdlist;
X  td = tdlist;
X  dn = what;
X  treeflag = SF_FULL;
X
X  /* Select tree loop */
X  do {
X    /* Special update for tree screen if needed */
X    if(treeflag) {
X      f = 0;
X      if(treeflag & SF_HELP)
X       f |= SF_HELP;
X      if(treeflag & SF_ECHO)
X       f |= SF_ECHO;
X      if((c = updatetree(1)) != RV_OK) {
X       dn = NULL;
X       break;
X      }
X      if(f & SF_HELP)
X       puthelp("SELECT DIRECTORY (CR:select  Q:quit)");
X      if(f & SF_ECHO)
X       (void) putecho("Move to and select directory for %s", what);
X      if(f)
X       (void) cursorxy(TCOL+DTCOL(cdlist)-1, DTROW(cdlist));
X      f = 0;
X    }
X    switch(c = getkey()) {
X      default:                  /* Ignore */
X       bell(VARSET(V_BL));
X       break;
X      case '>':                 /* Select current directory */
X      case ' ':
X      case K_SEL:
X      case K_INS:
X       dn = CPNAM;
X       break;
X      case '<':                 /* Parent */
X      case K_DEL:
X       if( !goparent())
X         bell(VARSET(V_BL));
X       break;
X      case 'q':                 /* Return */
X      case 'Q':
X      case K_BRK:
X      case K_EOF:               /* EOF */
X       dn = NULL;
X       break;
X      case K_PREV:              /* Previous */
X      case 'k':                 /* For vi fans */
X       if( !gotree(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_NEXT:              /* Next */
X      case 'j':                 /* For vi fans */
X       if( !gotree(1))
X         bell(VARSET(V_BL));
X       break;
X      case K_BACK:              /* Up on same level */
X       if( !golevel(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_FORW:              /* Down on same level */
X       if( !golevel(1))
X         bell(VARSET(V_BL));
X       break;
X      case K_PPAG:              /* Page up */
X       if( !gopage(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_NPAG:              /* Page down */
X       if( !gopage(1))
X         bell(VARSET(V_BL));
X       break;
X      case K_HOME:              /* Beginning */
X       if( !gobegend(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_END:               /* End */
X       if( !gobegend(1))
X         bell(VARSET(V_BL));
X       break;
X      case 'c':                 /* Change to directory */
X       c = changedir();
X       break;
X      case '@':                 /* Mark current directory */
X      case K_MARK:
X       markdir(0);
X       break;
X      case '#':                 /* Goto previously marked directory */
X      case K_GOTO:
X       if( !gomarkdir())
X         bell(VARSET(V_BL));
X       break;
X      case K_SIZE:              /* Screen size changed */
X       c = RV_SIZ;
X       /*FALL THROUGH*/
X      case K_REFR:              /* Refresh */
X       treeflag = SF_FULL;
X       break;
X    }
X#if     defined(SIGWINCH) && defined(TIOCGWINSZ)
X    /* Refresh screen after screen resize */
X    if(c == RV_SIZ)
X      (void) refreshtree(1);
X#endif  /* SIGWINCH && TIOCGWINSZ */
X  } while(dn == what);
X
X  /* Restore current and top dirs */
X  cdlist = cd;
X  tdlist = td;
X
X  return(dn);
X
X} /* selectdir() */
X
X/*
X *      DIRECTORY TREE MENU LOOP
X */
X
X/* Tree menu */
GLOBL int treemenu(update)
X  register int update;
X{
X  register int c;
X
X  /* Init tree variables */
X  checkindent();
X  cdlist   = tdlist = droot;
X  menuline = tmline;
X  treeflag = SF_FULL;
X
X  /* Scan and update file lists in tree if reading from a list file */
X  if(update && scantree(0) != RV_OK)
X    return(c);
X
X  /* Tree menu loop */
X  do {
X    /* Update tree screen if needed and clock */
X    buildflag = 0;
X    if(treeflag && (c = updatetree(0)) != RV_OK)
X      return(c);
X#ifdef  UTCLOCK
X    if(VARSET(V_CL))
X      clockon();
X#endif  /* UTCLOCK */
X    c = getkey();
X#ifdef  UTCLOCK
X    if(VARSET(V_CL))
X      clockoff();
X#endif  /* UTCLOCK */
X    switch(c) {
X      case K_BRK:               /* Ignore interrupt */
X      default:                  /* Unknown: ring the bell */
X       bell(VARSET(V_BL));
X       break;
X      case K_PREV:              /* Previous */
X      case 'k':                 /* For vi fans */
X       if( !gotree(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_NEXT:              /* Next */
X      case 'j':                 /* For vi fans */
X       if( !gotree(1))
X         bell(VARSET(V_BL));
X       break;
X      case K_BACK:              /* Up on same level */
X       if( !golevel(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_FORW:              /* Down on same level */
X       if( !golevel(1))
X         bell(VARSET(V_BL));
X       break;
X      case K_TAG:               /* Next directory containing tagged files */
X       if( !gotagged())
X         bell(VARSET(V_BL));
X       break;
X      case K_UP:                /* Scroll up */
X       if( !scrolltree(1))
X         bell(VARSET(V_BL));
X       break;
X      case K_DOWN:              /* Scroll down */
X       if( !scrolltree(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_PPAG:              /* Page up */
X       if( !gopage(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_NPAG:              /* Page down */
X       if( !gopage(1))
X         bell(VARSET(V_BL));
X       break;
X      case K_HOME:              /* Begin */
X       if( !gobegend(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_END:               /* End */
X       if( !gobegend(1))
X         bell(VARSET(V_BL));
X       break;
X      case '@':                 /* Mark current directory */
X      case K_MARK:
X       markdir(0);
X       break;
X      case '#':                 /* Goto previously marked directory */
X      case K_GOTO:
X       if( !gomarkdir())
X         bell(VARSET(V_BL));
X       break;
X      case K_SIZE:              /* Screen size changed */
X       c = RV_SIZ;
X       /*FALL THROUGH*/
X      case K_REFR:              /* Refresh */
X       treeflag = SF_FULL;
X       break;
X      case '?':                 /* Help */
X      case 'h':
X      case 'H':
X      case K_HELP:
X       c = showhelp('t');
X       break;
X      case '<':                 /* Change to parent */
X      case K_DEL:
X       if( !goparent()) {
X         bell(VARSET(V_BL));
X         break;
X       }
X       /*FALL THROUGH*/
X      case ' ':                 /* Change to directory */
X      case '>':
X      case K_SEL:
X      case K_INS:
X       do
X         c = filemenu(-1, c);
X       while(c == RV_DIR);
X       break;
X      case 'b':                 /* Backup tree */
X       c = backupdir(ONTG(c));
X       break;
X      case 'l':                 /* List file in tree */
X       c = listtree(ONTG(c));
X       break;
X      case 'm':                 /* Create a directory */
X       c = makedir();
X       break;
X      case 'r':                 /* Remove a directory */
X       c = removedir();
X       break;
X      case 'c':                 /* Change to directory */
X       c = changedir();
X       break;
X      case 'L':                 /* List tagged files */
X       c = listtree(ONTG(c));
X       break;
X      case 'B':                 /* Backup tagged files */
X       c = backupdir(ONTG(c));
X       break;
X      case 'C':                 /* Copy tagged files */
X       c = copytagged();
X       break;
X      case 'R':                 /* Remove tagged files */
X       c = removetagged();
X       break;
X      case 'M':                 /* Move tagged files */
X       c = movetagged();
X       break;
X      case 's':                 /* Display directory status info */
X      case 'S':
X       c = statusdir();
X       break;
X      case 'i':                 /* Display directory information */
X      case 'I':
X       c = infodir();
X       break;
X      case 'g':                 /* Search for string */
X      case 'G':
X       c = greptree(ONTR(c));
X       break;
X      case 'f':                 /* Find a file */
X      case 'F':
X       c = findtree(ONTR(c));
X       break;
X      case 't':                 /* Tag files */
X      case 'T':
X       c = tagtree(ONTR(c));
X       break;
X      case 'u':                 /* Untag files */
X      case 'U':
X       c = untagtree(ONTR(c));
X       break;
X      case 'n':                 /* New sort file list */
X      case 'N':
X       c = sorttree(ONTR(c));
X       break;
X      case 'z':                 /* Zoom file list */
X      case 'Z':
X       c = zoomtree(ONTR(c));
X       break;
X      case '0':                 /* Switch menu line */
X       menuline = menuline == utreemenu ? tmline : utreemenu;
X       treeflag |= SF_HELP;
X       break;
X      case '1':                 /* User defined tree command 1..9 */
X      case '2':
X      case '3':
X      case '4':
X      case '5':
X      case '6':
X      case '7':
X      case '8':
X      case '9':
X       if(changelist(cdlist, "USER COMMAND") < RV_NUL)
X         break;
X       c = usercommand(c - '0' + V_TC0);
X       break;
X      case '!':                 /* Escape to shell */
X      case '$':
X       if(changelist(cdlist, "SHELL ESCAPE") < RV_NUL)
X         break;
X       c = history(c, V_TC1);
X       if(VARSET(V_ST))
X         (void) scandlist(droot);
X       if(buildflag)
X         c = updatedlist();
X       break;
X      case '=':                 /* Show/set variables */
X       c = variables();
X       break;
X      case ':':                 /* Show/set file type commands */
X       c = commands();
X       break;
X      case '|':                 /* Show key bindings */
X       c = bindings();
X       break;
X      case '+':                 /* Enlarge tree window */
X       if( !resizetree(1))
X         bell(VARSET(V_BL));
X       break;
X      case '-':                 /* Shrink tree window */
X       if( !resizetree(-1))
X         bell(VARSET(V_BL));
X       break;
X      case 'o':                 /* Write out tree list */
X      case 'O':
X       c = writetreelist();
X       break;
X      case '/':                 /* Scan directory tree and update file lists */
X       c = scantree(1);
X       break;
X      case '\\':                /* Build subdirectory tree */
X       c = buildtree();
X       break;
X      case 'a':                 /* Display version string */
X      case 'A':
X       c = putversion(echoline, "ABOUT: Utree version");
X       break;
X      case 'd':                 /* Date */
X      case 'D':
X       c = printdate();
X       break;
X      case 'w':                 /* Print current working directory */
X      case 'W':
X       c = printcwd();
X       break;
X      case 'q':                 /* Exit utree */
X      case 'Q':
X      case K_EOF:
X       c = RV_END;
X       break;
X    }
X#if     defined(SIGWINCH) && defined(TIOCGWINSZ)
X    /* Refresh screen after screen resize */
X    if(c == RV_SIZ)
X      c = refreshtree(1);
X#endif  /* SIGWINCH && TIOCGWINSZ */
X  } while( !(c == RV_END || c == RV_ERR));
X
X  return(c);
X
X} /* treemenu() */
X
END_OF_FILE
if test 63122 -ne `wc -c <'src/tree.c'`; then
    echo shar: \"'src/tree.c'\" unpacked with wrong size!
fi
# end of 'src/tree.c'
fi
echo shar: End of archive 8 \(of 8\).
cp /dev/null ark8isdone
MISSING=""
for I in 1 2 3 4 5 6 7 8 ; do
    if test ! -f ark${I}isdone ; then
    MISSING="${MISSING} ${I}"
    fi
done
if test "${MISSING}" = "" ; then
    echo You have unpacked all 8 archives.
    rm -f ark[1-9]isdone
else
    echo You still need to unpack the following archives:
    echo "        " ${MISSING}
fi
##  End of shell archive.
exit 0