Source Code 1994 March/Source_Code_CD-ROM_Walnut_Creek_March_1994.iso/compsrcs/unix/volume26/utree/part06

Text File | 1992-09-06 | 75.0 KB | 2,722 lines

Newsgroups: comp.sources.unix
From: [e-mail] (Peter Klingebiel)
Subject: v26i069: utree - screen oriented filesystem utility (V3.03b-um), Part06/08
Sender: [e-mail]
Approved: [e-mail]

Submitted-By: [e-mail] (Peter Klingebiel)
Posting-Number: Volume 26, Issue 69
Archive-Name: utree/part06

#! /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 6 (of 8)."
# Contents:  src/file.c src/term.c
# Wrapped by [e-mail] on Mon Sep  7 14:39:57 1992
PATH=/bin:/usr/bin:/usr/ucb ; export PATH
if test -f 'src/file.c' -a "${1}" != "-c" ; then
  echo shar: Will not clobber existing file \"'src/file.c'\"
else
echo shar: Extracting \"'src/file.c'\" \(41484 characters\)
sed "s/^X//" >'src/file.c' <<'END_OF_FILE'
X/*
X *      FILE.C
X *      UTREE file menu routines.
X *      3.01-um klin, Tue Jun  4 14:20:31 1991
X *              klin, Tue Oct 15 14:02:37 1991, Handling of symlinks changed
X *              klin, Sat Oct 26 15:07:06 1991, Copying and moving changed
X *                                              Sorting and zooming changed
X *                                              Select directories added
X *      3.02-um klin, Fri Nov  1 10:46:14 1991, Screen layout changed
X *                                              Marking files changed
X *                                              Bug in edit() deleted
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 19:39:09 1992, Screen layout changed,
X *                                              Variables and filetype commands
X *                                              changed
X *              klin, Sun Feb 23 17:32:31 1992, Key handling and key bindings
X *                                              changed
X *              klin, Fri Mar  6 08:18:38 1992, Minor changes in execute()
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 3.03-um (klin) Mar  6 1992 file.c";
X#endif  /* !lint */
X
X#include "defs.h"
X
X/* ---- Local variables and definitions ------------------------------- */
X
LOCAL int flast;                /* Last current file                    */
LOCAL int fmark;                /* Marked file                          */
LOCAL int nscroll;              /* Lines to scroll                      */
X
X/* Default file menu commands in help line                              */
LOCAL char *fmline =
X" Help Copy Edit Find Grep Move List Print Remove Stat Tag Untag View Quit";
LOCAL char *menuline = NULL;
X
X#define CUR(c)  ((c) >= 'a')    /* Command works on current file only   */
X
X/* ---- External variables and functions ------------------------------ */
X
XEXTRN char *selectdir();
X
X/* ---- Local/global functions and procedures ------------------------- */
X
X/*
X *      FILE SCREEN UPDATE AND REFRESH
X */
X
X/* Show file list from file f to file t */
LOCAL VOID showfiles(f, t, c)
X  register int f, t, c;
X{
X  if(c) {                       /* Clear file window */
X    (void) cursorxy(0, firstline);
X    clearwindow(firstline, lastline);
X  }
X  while(f < CNFIL && f < t && FFROW(cdlist, f) <= lastline)
X    putfile(cdlist, f++, FF_TAG);
X
X} /* showfiles() */
X
X/* Update file screen */
LOCAL VOID updatefiles()
X{
X  if(fileflag == SF_FULL)                       /* Full update */
X    clearscreen();
X  if(fileflag & SF_ECHO)                        /* Echo line */
X    if(CZOOM)
X      (void) putecho("%s/%s: %d file(s)", CPNAM, CZOOM, CNFIL);
X    else
X      (void) putecho("%s/*: %d file(s) %d dir(s)", CPNAM, CNFIL, CNDIR);
X  if(fileflag & SF_HELP)                        /* Help line */
X    putmenu("FILE:", menuline);
X  if(fileflag & SF_TREE) {                      /* File window */
X    if(CANSCROLL && nscroll < 0 && nscroll > (firstline-lastline)) {
X      (void) windowup(firstline, lastline, -nscroll);
X      showfiles(CFTOP+fperpage-fperline+(nscroll*fperline), CFTOP+fperpage, 0);
X      if(flast >= 0)
X       putfile(cdlist, flast, FF_TAG);
X    }
X    else if(CANSCROLL && nscroll > 0 && nscroll < (lastline-firstline)) {
X      (void) windowdown(firstline, lastline, nscroll);
X      showfiles(CFTOP, CFTOP + (nscroll * fperline) + fperline, 0);
X      if(flast >= 0)
X       putfile(cdlist, flast, FF_TAG);
X    }
X    else
X      showfiles(CFTOP, CNFIL, fileflag != SF_FULL);
X    nscroll = 0;
X    fileflag |= SF_LIST;
X  }
X  else if(fileflag & SF_LAST && flast >= 0)     /* Last file */
X    putfile(cdlist, flast, FF_TAG);
X  if((fileflag & SF_LIST) && CNFIL > 0) {       /* Current file */
X    putfile(cdlist, CFCUR, FF_TAG);
X    flast = CFCUR;
X  }
X  if(CNFIL > 0)                                 /* Position to current file */
X    (void) cursorxy(FFCOL(cdlist, CFCUR), FFROW(cdlist, CFCUR));
X  else
X    (void) cursorxy(0, firstline);
X  fileflag = 0;                                 /* Reset fileflag */
X
X} /* updatefiles() */
X
X/*
X *      MARK/TAG FILE
X */
X
X/* Set mark w on file f */
LOCAL VOID setmark(f, w)
X  register int f, w;
X{
X  if(f >= CFTOP && f < (CFTOP + fperpage)) {
X    putfile(cdlist, f, w);
X    (void) cursorxy(FFCOL(cdlist, f), FFROW(cdlist, f));
X    flushout();
X  }
X
X} /* setmark() */
X
X/* Reset mark on file f */
LOCAL VOID unsetmark(f)
X  register int f;
X{
X  if(f >= CFTOP && f < (CFTOP + fperpage)) {
X    putfile(cdlist, f, FF_TAG);
X    (void) cursorxy(FFCOL(cdlist, f), FFROW(cdlist, f));
X    flushout();
X  }
X
X} /* unsetmark() */
X
X/* Tag single file f */
LOCAL VOID tagfile(f)
X  register int f;
X{
X  FITAG(cdlist, f) = FF_TAG;
X  ++CNTAG;
X  setmark(f, FF_TAG);
X
X} /* tagfile() */
X
X/* Untag single file f */
LOCAL VOID untagfile(f)
X  register int f;
X{
X  FITAG(cdlist, f) = FF_NONE;
X  if(CNTAG > 0)
X    --CNTAG;
X
X} /* untagfile() */
X
X/*
X *      MOVE IN FILELIST
X */
X
X/* Go forward or backward in file list */
GLOBL int gofile(dp, dir)
X  register dlist *dp;
X  register int dir;
X{
X  register int l;
X
X  if(dir > 0 && (DFCUR(dp) + 1) < DNFIL(dp)) {  /* Next file */
X    ++DFCUR(dp);
X    fileflag |= SF_LIST;
X    /* Out of bounds: Search for new top file */
X    if(DFCUR(dp) >= (DFTOP(dp)+fperpage) && (DFTOP(dp)+fperpage) < DNFIL(dp)) {
X      l = (lastline - firstline) / 2;
X      while(l-- > 0 && (DFTOP(dp) + fperpage) < DNFIL(dp)) {
X       DFTOP(dp) += fperline;
X       --nscroll;
X      }
X      fileflag |= SF_TREE;
X    }
X    else
X      fileflag |= SF_LAST;
X  }
X  else if(dir < 0 && DFCUR(dp) > 0) {           /* Previous file */
X    --DFCUR(dp);
X    fileflag |= SF_LIST;
X    /* Out of bounds: Search for new top file */
X    if(DFCUR(dp) <  DFTOP(dp) && DFTOP(dp) > 0) {
X      l = (lastline - firstline) / 2;
X      while(l-- > 0 && DFTOP(dp) > 0) {
X       DFTOP(dp) -= fperline;
X       ++nscroll;
X      }
X      fileflag |= SF_TREE;
X    }
X    else
X      fileflag |= SF_LAST;
X  }
X  else
X    return(0);
X  return(1);
X
X} /* gofile() */
X
X/*
X *      SCROLL FILE LIST
X */
X
X/* Scroll up or down file list */
LOCAL int scrollfile(dir)
X  register int dir;
X{
X  if(dir < 0 && (CFTOP + fperpage) < CNFIL) {   /* Scroll up */
X    CFTOP += fperline;
X    if(CANSCROLL) {
X      (void) windowup(firstline, lastline, 1);
X      showfiles(CFTOP + fperpage - fperline, CFTOP + fperpage, 0);
X      fileflag |= SF_MOVE;
X    }
X    else
X      fileflag |= SF_TREE;
X    if(CFCUR < CFTOP) {
X      CFCUR += fperline;
X      fileflag |= SF_LIST;
X    }
X  }
X  else if(dir > 0 && CFTOP > 0) {               /* Scroll down */
X    CFTOP -= fperline;
X    if(CANSCROLL) {
X      (void) windowdown(firstline, lastline, 1);
X      showfiles(CFTOP, CFTOP + fperline, 0);
X      fileflag |= SF_MOVE;
X    }
X    else
X      fileflag |= SF_TREE;
X    if(CFCUR >= (CFTOP + fperpage)) {
X      CFCUR -= fperline;
X      fileflag |= SF_LIST;
X    }
X  }
X  else
X    return(0);
X  return(1);
X
X} /* scrollfile() */
X
X/*
X *      SELECT DIRECTORY
X */
LOCAL char *doselect(what)
X  register char *what;
X{
X  register char *dn;
X
X  dn = selectdir(what);
X  fileflag = SF_FULL;
X  fileflag &= ~(SF_HELP|SF_ECHO);
X  updatefiles();
X  return(dn);
X
X} /* doselect() */
X
X/*
X *      LIST FILE(S)
X */
X
X/* List file(s) in current file list */
LOCAL int list(t)
X  register int t;
X{
X  char pat[PATLEN];
X  struct stat st;
X  register char *ct;
X  register int c, f, ff, l;
X
X  if(CNFIL == 0)                /* Nothing to list */
X    return(RV_OK);
X
X  who = "LIST FILE";
X  if(t || CNTAG <= 0) {
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    t = 1;
X  }
X
X  /* Show all matching files */
X  l = firstline;
X  ff = 0;
X  c = RV_OK;
X  for(f = 0; f < CNFIL; f++) {
X    if(( !t && ISTAG(cdlist, f)) || umatch(cdlist, f, pat) > 0) {
X      if((*statfun)(FFNAM(cdlist, f), &st) != 0)
X       continue;
X      if(l == firstline) {
X       if(ff > 0) {
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       }
X       fileflag = SF_FULL;
X       clearwindow(firstline, lastline);
X      }
X      ++ff;
X      ct = ctime(&st.st_mtime);
X      ct[strlen(ct) - 1] = '\0';
X      (void) putfxy(0, l, 0, "%s  %8ld  %s  %s", fileaccess(&st), st.st_size, ct,
X                   FFNAM(cdlist, f));
X      if(++l > lastline)
X       l = firstline;
X    }
X  }
X
X  if(c >= RV_NUL) {
X    puthelp("%s %s", who, hitkey);
X    if(t)
X      (void) putecho("Listed %d file(s) matching %s", ff, pat);
X    else
X      (void) putecho("Listed %d tagged file(s)", ff);
X    c = hitakey(NULL);
X  }
X  return(c);
X
X} /* list() */
X
X/*
X *      SEARCH IN FILE(S)
X */
X
X/* Search for pattern in file(s) */
LOCAL int grep(one)
X  register int one;
X{
X  char input[PATLEN];
X  register int f, c;
X
X  if(CNFIL == 0)                /* Nothing to search */
X    return(RV_OK);
X
X  who = "GREP FILE";
X  puthelp("%s: Give pattern (CR:%s)", who, gpattern[0] ? gpattern : "quit");
X  c = putecho("Search for pattern in file:");
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
X  if( !one && CNTAG) {          /* Tagged files */
X    c = RV_NUL; f = -1;
X    do {
X      ++f;
X      if(ISTAG(cdlist, f)) {    /* File tagged */
X       untagfile(f);
X       setmark(f, FF_MARK);
X       (void) putecho("Searching in %s", FFNAM(cdlist, f));
X       flushout();
X       if((c = grepfile(cdlist, f)) == RV_OK) {
X         puthelp("%s (CR:next  SP:select  M:mark  T:tag  ELSE:quit)", who);
X         (void) putecho("Found \'%s\' -> %s:", gpattern, FFNAM(cdlist, f));
X         c = hitakey(NULL);
X         unsetmark(f);
X         if(c == 't') {
X           tagfile(f);
X           c = '\n';
X         }
X         else if(c == 'm') {
X           fmark = f;
X           c = '\n';
X         }
X         else if(c == ' ')
X           while(f != CFCUR)
X             (void) gofile(cdlist, f > CFCUR ? 1 : -1);
X       }
X       else
X         unsetmark(f);
X      }
X    } while(f < CNFIL && (c == RV_NUL || c == '\n'));
X  }
X  else if((c = grepfile(cdlist, CFCUR)) == RV_OK) {     /* Current file */
X    puthelp("%s %s", who, hitkey);
X    (void) putecho("Found \'%s\'", gpattern);
X    c = hitakey(NULL);
X  }
X
X  if(c)
X    return(c);
X  puthelp("%s: %s %s", who, gpattern, hitkey);
X  return(errequest(gpattern, "Not found"));
X
X} /* grep() */
X
X/*
X *      FIND FILE(S)
X */
X
X/* Find file(s) in current file list */
LOCAL int find(one)
X  register int one;
X{
X  char input[PATLEN];
X  register int f, c;
X
X  if(CNFIL == 0)                /* Nothing to find */
X    return(RV_OK);
X
X  who = "FIND FILE";
X  puthelp("%s: Give file pattern (CR:%s)", who, fpattern[0] ? fpattern : "quit");
X  if((c = getpattern(input, "Find 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  f = one ? CFCUR : -1;
X  do {
X    ++f;
X    if((c = findfile(cdlist, f)) == RV_OK) {
X      setmark(f, FF_MARK);
X      puthelp("%s (CR:next  SP:select  M:mark  T:tag  ELSE:quit)", who);
X      (void) putecho("Found %s:", FFNAM(cdlist, f));
X      c = hitakey(NULL);
X      unsetmark(f);
X      if(c == 't') {
X       tagfile(f);
X       c = '\n';
X      }
X      else if(c == 'm') {
X       fmark = f;
X       c = '\n';
X      }
X      else if(c == ' ')
X       while(f != CFCUR)
X         (void) gofile(cdlist, f > CFCUR ? 1 : -1);
X    }
X  } while(f < CNFIL && (c == RV_NUL || c == '\n'));
X
X  if(c)
X    return(c);
X
X  puthelp("%s: %s %s", who, fpattern, hitkey);
X  return(errequest(fpattern, "Not found"));
X
X} /* find() */
X
X/*
X *      FILE STATUS AND CHANGES
X */
X
X/* Status information(s)/change(s) for current or tagged file(s) */
LOCAL int status(one, s)
X  register int one, s;
X{
X  register int f, c;
X
X  if(CNFIL == 0)                /* No need for status of nothing */
X    return(RV_OK);
X
X  if( !one && CNTAG) {          /* Tagged files */
X    for(f = 0; f < CNFIL; f++)
X      if(ISTAG(cdlist, f)) {
X       untagfile(f);
X       if(s)
X         c = statusfile(FFNAM(cdlist, f), 1);
X       else {
X         setmark(f, FF_MARK);
X         c = infofile(f, CNTAG > 0);
X         unsetmark(f);
X       }
X       if( !(c == RV_NUL || c == '\n' || c == ' '))
X         break;
X      }
X  }
X  else {
X    if(s)
X      c = statusfile(FFNAM(cdlist, CFCUR), 1);    /* Current files */
X    else
X      c = infofile(CFCUR, 0);
X  }
X
X  if(buildflag)                 /* Rebuilding needed */
X    CFLAG = FL_CHG;
X  return(c);
X
X} /* status() */
X
X/* Display size and modification time of file f */
LOCAL int infofile(f, h)
X  register int f, h;
X{
X  struct stat st;
X
X  who = "INFO FILE";
X  if((*statfun)(FFNAM(cdlist, f), &st)) {
X    puthelp("%s %s", who, hitkey);
X    return(errequest(FFNAM(cdlist, f), "Cannot stat"));
X  }
X  if(h)
X    puthelp("%s %s (CR:continue  ELSE:quit)", who, FFNAM(cdlist, f));
X  else
X    puthelp("%s %s %s", who, FFNAM(cdlist, f), hitkey);
X  (void) putecho("Access:%s Size:%ld Date:%s",
X                 fileaccess(&st), st.st_size, ctime(&st.st_mtime));
X  return(hitakey(NULL));
X
X} /* infofile() */
X
X/*
X *      MOVE OR RENAME FILE(S)
X */
X
X/* Move current or tagged file(s) */
LOCAL int move(one)
X  register int one;
X{
X  struct stat st;
X  char name[NAMELEN];
X  register char *to;
X  register int f, c, req;
X
X  if(CNFIL == 0)                /* Nothing to move */
X    return(RV_OK);
X
X  who = "MOVE FILE";
X  if( !one && CNTAG) {          /* Tagged files */
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 = doselect("moving files")) == NULL) {
X      fileflag |= SF_ECHO|SF_HELP;
X      return(RV_NUL);
X    }
X    puthelp("%s (N:don't request  Q:quit  ELSE:request)", who);
X    (void) putecho("Request before moving to %s ?", to);
X    c = hitakey(NULL);
X    if(c == 'q' || c < RV_NUL)
X      return(c);
X    if(req = (c != 'n'))
X      puthelp("%s (Y:move  Q:quit  ELSE:don't move)", who);
X    for(f = 0; f < CNFIL; f++)
X      if(ISTAG(cdlist, f)) {
X       untagfile(f);
X       setmark(f, FF_MARK);
X       c = movefile(cdlist, f, to, req);
X       unsetmark(f);
X       if(c == 'q' || c < RV_NUL)
X         break;
X      }
X  }
X  else {                        /* Current file */
X    puthelp("%s: Give destination (CR:select directory)", who);
X    c = putecho("Move file to:");
X    if((c = getline(name, sizeof(name), c, 0, NULL, CLIST, 0)) < RV_NUL)
X      return(c);
X    else if(c == RV_OK)
X      to = strcpy(name, pathname(name, CPNAM));
X    else if((to = doselect("moving file")) == NULL) {
X      fileflag |= SF_ECHO|SF_HELP;
X      return(RV_NUL);
X    }
X    c = movefile(cdlist, CFCUR, to, 0);
X  }
X
X  checkdlist(to);               /* Directory needs checking */
X  ++buildflag;                  /* Set rebuild flags */
X  CFLAG = FL_CHG;
X  fileflag |= SF_ECHO|SF_HELP;
X  return(c);
X
X} /* move() */
X
X/*
X *      VIEW FILE(S)
X */
X
X/* View current or tagged file(s) */
LOCAL int view(one)
X  register int one;
X{
X  register int f, c;
X
X  if(CNFIL == 0)                /* Nothing to view */
X    return(RV_OK);
X
X  if( !one && CNTAG) {          /* Tagged files */
X    for(f = 0; f < CNFIL; f++)
X      if(ISTAG(cdlist, f)) {
X       untagfile(f);
X       if((c = viewfile(f, 0)) == 'n' || c < RV_NUL)
X         break;
X      }
X  }
X  else                          /* Current file */
X    c = viewfile(CFCUR, 1);
X
X  return(c);
X
X} /* view() */
X
X/* View single file f */
LOCAL int viewfile(f, one)
X  register int f, one;
X{
X  char name[NAMELEN], buf[EXECLEN];
X  register FILE *file;
X  register int c, n;
X
X  /* Check if viewing is allowed */
X  if( !isallowed(FFNAM(cdlist, f), (int) FMODE(cdlist, f)))
X    return(hitakey(NULL));
X
X  who = "VIEW FILE";
X  /* Simple check for text or binary file. May fail! */
X  (void) strcpy(name, pathname(FFNAM(cdlist, f), CPNAM));
X  if(file = fopen(name, "r")) {
X    n = fread(buf, sizeof(char), 4, file);
X    (void) fclose(file);
X  }
X  else
X    return(errequest(FFNAM(cdlist, f), "Cannot open"));
X
X  if(n <= 0)                    /* File is empty */
X    return(errequest(FFNAM(cdlist, f), "Is empty"));
X  else if(istextfile(buf, n)) { /* Text file */
X    (void) sprintf(buf, "%s %s %s", VARVAL(V_PG), VARVAL(V_PGO), name);
X    (void) callsystem(buf, 1, 1);
X  }
X  else {                        /* Binary file */
X    puthelp("%s (Y:hex dump  ELSE:don't view)", who);
X    (void) putecho("File %s is not a text file, hex dump ?", FFNAM(cdlist, f));
X    if((c = hitakey(NULL)) != 'y')
X      return(c);
X    (void) sprintf(buf, "%s %s %s|%s %s", VARVAL(V_XD), VARVAL(V_XDO), name,
X                                         VARVAL(V_PG), VARVAL(V_PGO));
X    (void) callsystem(buf, 1, 1);
X  }
X
X  if(one || CNTAG < 1)
X    return(hitakey("Viewing done (Hit a key)", lines-1, DA_REVERSE));
X  else
X    return(hitakey("Continue (N:no  ELSE:yes) ?", lines-1, DA_REVERSE));
X
X} /* viewfile() */
X
X/* Simple check if a file is a text file */
LOCAL int istextfile(s, n)
X  register char *s;
X  register int n;
X{
X  while(--n > 0) {                      /* Simple check if all n chars */
X    if( !(isprint(*s) || isspace(*s)))  /* are printable or whitespace */
X      return(0);
X    ++s;
X  }
X  return(1);
X
X} /* istextfile() */
X
X/*
X *      PRINT FILE(S)
X */
X
X/* Print current or tagged file(s) */
LOCAL int print(one)
X  register int one;
X{
X  register int f, c;
X
X  if(CNFIL == 0)                /* Nothing to print */
X    return(RV_OK);
X
X  who = "PRINT FILE";
X  if( !one && CNTAG) {          /* Tagged files */
X    for(f = 0; f < CNFIL; f++)
X      if(ISTAG(cdlist, f)) {
X       untagfile(f);
X       setmark(f, FF_MARK);
X       puthelp("%s (Y:print  Q:quit  ELSE:don't print)", who);
X       c = printfile(f, 1);
X       unsetmark(f);
X       if(c == 'q' || c < RV_NUL)
X         break;
X      }
X  }
X  else                          /* Current file */
X    c = printfile(CFCUR, 0);
X
X  if(c < RV_NUL || one || !CNTAG)
X    return(c);
X  puthelp("%s %s", who, hitkey);
X  return(hitakey("Printing done", echoline, DA_NONE));
X
X} /* print() */
X
X/* Print single file f with request if req is set */
LOCAL int printfile(f, req)
X  register int f, req;
X{
X  char name[NAMELEN], buf[EXECLEN];
X  register int c;
X
X  (void) strcpy(name, pathname(FFNAM(cdlist, f), CPNAM));
X  if(req) {
X    (void) putecho("Print %s ?", name);
X    if((c = hitakey(NULL)) != 'y')
X      return(c);
X  }
X  (void) putecho("Printing %s", name);
X  (void) sprintf(buf, "%s %s %s", VARVAL(V_LP), VARVAL(V_LPO), name);
X  if((c = callsystem(buf, 0, 0)) != RV_OK)
X    return(errequest(FFNAM(cdlist, f), "Error in printing"));
X  return(RV_OK);
X
X} /* printfile() */
X
X/*
X *      REMOVE FILE(S)
X */
X
X/* Remove current or tagged file(s) */
LOCAL int remove(one)
X  register int one;
X{
X  register int f, c, req;
X
X  if(CNFIL == 0)                /* Nothing to remove */
X    return(RV_OK);
X
X  who = "REMOVE FILE";
X  if( !one && CNTAG) {          /* Tagged files */
X    if(CNTAG > 1) {
X      puthelp("%s (N:don't request  Q:quit  ELSE:request)", who);
X      c = hitakey("Request before removing ?", echoline, DA_NONE);
X      if(c == 'q' || c < RV_NUL)
X       return(c);
X      else if(req = (c != 'n'))
X       puthelp("%s (Y:remove  Q:quit  ELSE:don't remove)", who);
X    }
X    else
X      req = 1;
X    for(f = CNFIL - 1; f >= 0; f--) {
X      if(ISTAG(cdlist, f)) {
X       untagfile(f);
X       setmark(f, FF_MARK);
X       if((c = removefile(cdlist, f, req)) != RV_OK)
X         unsetmark(f);
X       if(c == 'q' || c < RV_NUL)
X         break;
X      }
X    }
X  }
X  else {                        /* Current file */
X    puthelp("%s (Y:remove  ELSE:don't remove)", who);
X    c = removefile(cdlist, CFCUR, 1);
X  }
X
X  return(c);
X
X} /* remove() */
X
X/*
X *      EDIT FILE(S)
X */
X
X/* Edit current or tagged file(s) */
LOCAL int edit(one)
X  register int one;
X{
X  char name[FILELEN];
X  register char *fname;
X  register int f, c, mode, req;
X
X  who = "EDIT FILE";
X  if( !one && CNTAG) {          /* Tagged files */
X    if(CNTAG > 1) {
X      puthelp("%s (N:don't request  Q:quit  ELSE:request)", who);
X      c = hitakey("Request before edit ?", echoline, DA_NONE);
X      if(c == 'q' || c < RV_NUL)
X       return(c);
X      else if(req = (c != 'n'))
X       puthelp("%s (Y:edit  Q:quit  ELSE:don't edit)", who);
X    }
X    else
X      req = 1;
X    for(f = 0; f < CNFIL; f++)
X      if(ISTAG(cdlist, f)) {
X       untagfile(f);
X       c = editfile(FFNAM(cdlist, f), (int) FMODE(cdlist, f), req);
X       if(c == 'q' || c < RV_NUL)
X         break;
X      }
X  }
X  else {                        /* Current or no files */
X    if(CNFIL > 0) {
X      setmark(CFCUR, FF_MARK);
X      puthelp("%s: Give file name (CR:%s)", who, FFNAM(cdlist, CFCUR));
X      c = putecho("Edit file:");
X      c = getline(name, sizeof(name), c, 0, NULL, GNULL, 0);
X      unsetmark(CFCUR);
X      if(c < RV_NUL)
X       return(c);
X    }
X    else {                      /* Directory is empty */
X      puthelp("%s: Give file name (CR:quit)", who);
X      c = putecho("Edit which file:");
X      if((c = getline(name, sizeof(name), c, 0, NULL, GNULL, 0)) != RV_OK)
X       return(c);
X    }
X    fname = c == RV_NUL ? FFNAM(cdlist, CFCUR) : name;
X    mode  = c == RV_NUL ? FMODE(cdlist, CFCUR) : FF_NONE;
X    c = editfile(fname, mode, 0);
X  }
X
X  return(c);
X
X} /* edit() */
X
X/* Edit single file name (mode mode) with request if req is set */
LOCAL int editfile(name, mode, req)
X  register char *name;
X  register int mode, req;
X{
X  char pname[NAMELEN], buf[EXECLEN];
X  register int c;
X
X  /* Check if editing is allowed */
X  if( !isallowed(name, mode))
X    return(hitakey(NULL));
X
X  (void) strcpy(pname, pathname(name, CPNAM));
X  if(req) {
X    (void) putecho("Edit %s ?", name);
X    c = hitakey(NULL);
X    if(c != 'y')
X      return(c);
X  }
X  (void) sprintf(buf, "%s %s %s", VARVAL(V_ED), VARVAL(V_EDO), pname);
X  (void) callsystem(buf, 1, 1);
X
X  checkdlist(CPNAM);            /* Directory needs checking */
X  return(RV_OK);
X
X} /* editfile() */
X
X/*
X *      COPY FILE(S)
X */
X
X/* Copy current or tagged file(s) */
LOCAL int copy(one)
X  register int one;
X{
X  struct stat st;
X  char name[NAMELEN];
X  register char *to;
X  register int f, c, req;
X
X  if(CNFIL == 0)                /* Nothing to copy */
X    return(RV_OK);
X
X  who = "COPY FILE";
X  if( !one && CNTAG) {          /* Tagged files */
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 = doselect("copying files")) == NULL) {
X      fileflag |= SF_ECHO|SF_HELP;
X      return(RV_NUL);
X    }
X    puthelp("%s (N:don't request  Q:quit  ELSE:request)", who);
X    (void) putecho("Request before copying to %s ?", to);
X    c = hitakey(NULL);
X    if(c == 'q' || c < RV_NUL)
X      return(c);
X    if(req = (c != 'n'))
X      puthelp("%s (Y:copy  Q:quit  ELSE:don't copy)", who);
X    for(f = 0; f < CNFIL; f++)
X      if(ISTAG(cdlist, f)) {
X       untagfile(f);
X       setmark(f, FF_MARK);
X       c = copyfile(cdlist, f, to, req);
X       unsetmark(f);
X       if(c == 'q' || c < RV_NUL)
X         break;
X      }
X  }
X  else {                        /* Current file */
X    puthelp("%s: Give destination (CR:select directory)", who);
X    c = putecho("Copy file to:");
X    if((c = getline(name, sizeof(name), c, 0, NULL, CLIST, 0)) < RV_NUL)
X      return(c);
X    else if(c == RV_OK)
X      to = strcpy(name, pathname(name, CPNAM));
X    else if((to = doselect("copying file")) == NULL) {
X      fileflag |= SF_ECHO|SF_HELP;
X      return(RV_NUL);
X    }
X    c = copyfile(cdlist, CFCUR, to, 0);
X  }
X
X  checkdlist(to);               /* Directory needs checking */
X  fileflag |= SF_ECHO|SF_HELP;
X  return(c);
X
X} /* copy() */
X
X/*
X *      ZOOM FILES
X */
X
X/* Get zoom pattern and rebuild filelist */
LOCAL int zoomfile()
X{
X  char pat[PATLEN];
X  register int c;
X
X  who = "ZOOM FILE";
X  puthelp("%s: Give file pattern (CR:all files)", who);
X  if((c = getpattern(pat, "Zoom which files:")) < RV_NUL)
X    return(c);
X  if(zoomlist(cdlist, pat))
X    fileflag |= SF_TREE;
X  return(RV_OK);
X
X} /* zoomfile() */
X
X/*
X *      GOTO DIRECTORY / PARENT DIRECTORY
X */
X
X/* Goto directory */
LOCAL int gotodirectory()
X{
X#ifdef  S_IFLNK
X  struct stat st;
X#endif  /* S_IFLNK */
X  register dlist *dp;
X  register int lev, c;
X
X  if(CNFIL == 0)                /* Nothing to change to */
X    return(RV_OK);
X
X  who = "GOTO DIRECTORY";
X  puthelp("%s: %s", who, FFNAM(cdlist, CFCUR));
X  if(FMODE(cdlist, CFCUR) != FF_DIR) {
X#ifdef  S_IFLNK
X    if( !(FMODE(cdlist, CFCUR) == FF_SLNK && ISDIR(FFNAM(cdlist, CFCUR), st)))
X#endif  /* S_IFLNK */
X    return(errequest(FFNAM(cdlist, CFCUR), "Is not a directory"));
X  }
X
X  /* Search directory in directory tree */
X  for(dp = (dlist *) CNEXT, lev = CLEVL+1; dp && DLEVL(dp) > CLEVL; dp = (dlist *) DNEXT(dp))
X    if(DLEVL(dp) == lev && EQU(FFNAM(cdlist, CFCUR), DFNAM(dp)))
X      break;
X  /* Directory is not yet in directory tree */
X  if(dp == DNULL || DLEVL(dp) != lev)
X    dp = newdlist(FFNAM(cdlist, CFCUR), FL_NUL);
X
X  /* Directory file list must be read in */
X  if((DFLAG(dp) != FL_FIL || changedlist(dp)) && (c = newflist(dp)) != RV_OK)
X    return(c);
X
X  if( !DCANC(dp))
X    return(errequest(DFNAM(dp), "Cannot change"));
X  else if(DNFIL(dp) == 0) {
X    puthelp("%s: %s (y:change  ELSE:don't change)", who, DFNAM(dp));
X    c = errequest(DFNAM(dp), "Is empty, change anyway ?");
X    if(c != 'y')
X      return(c);
X  }
X
X  /* Position to directory in directory tree and return */
X  while(cdlist != dp)
X    (void) gotree(1);
X
X  return(RV_DIR);
X
X} /* gotodirectory() */
X
X/* Goto parent directory */
LOCAL int gotoparent()
X{
X  register char *name;
X  register int lev, c;
X
X  if(cdlist == droot)           /* Root has no parent */
X    return(RV_RET);
X
X  /* Position to parent directory in directory tree */
X  name = CFNAM;
X  lev  = CLEVL - 1;
X  while(CLEVL != lev)
X    (void) gotree(-1);
X  /* Parent directory needs rebuilding */
X  if((CFLAG != FL_FIL || changedlist(cdlist))
X     && (c = newflist(cdlist)) != RV_OK)
X    return(c);
X  /* Position to where we came from in parent directory file list */
X  CFCUR = CFTOP = 0;
X  while(CMP(name, FFNAM(cdlist, CFCUR)) && CFCUR < CNFIL)
X    (void) gofile(cdlist, 1);
X
X  return(RV_DIR);
X
X} /* gotoparent() */
X
X/*
X *      TAG / UNTAG FILE(S)
X */
X
X/* Tag current or selected file(s) */
LOCAL int tag(one)
X  register int one;
X{
X  char input[PATLEN];
X  register int f, c;
X
X  if(CNFIL == 0)                /* Nothing to tag */
X    return(RV_OK);
X
X  who = "TAG FILE";
X  if( !one) {                   /* Multiple files */
X    puthelp("%s: Give file pattern (CR:%s)", who, tpattern[0] ? tpattern : "quit");
X    if((c = getpattern(input, "Tag which file:")) == RV_OK)
X      (void) strcpy(tpattern, input);
X    else if(c < RV_NUL || (c == RV_NUL && tpattern[0] == '\0'))
X      return(c);
X  }
X  if(one)                       /* Currrent file */
X    tagfile(CFCUR);
X  else                          /* Matching files */
X    for(f = 0; f < CNFIL; f++)
X      if(umatch(cdlist, f, tpattern) > 0)
X       tagfile(f);
X
X  return(RV_OK);
X
X} /* tag() */
X
X/* Untag current or selected file(s) */
LOCAL int untag(one)
X  register int one;
X{
X  char pattern[PATLEN];
X  register int f, c;
X
X  if(CNFIL == 0)                /* Nothing to untag */
X    return(RV_OK);
X
X  who = "UNTAG FILE";
X  if( !one) {                   /* Multiple files */
X    setmark(CFCUR, FF_MARK);
X    puthelp("%s: Give file pattern (CR:all files)", who);
X    c = getpattern(pattern, "Untag which file:");
X    unsetmark(CFCUR);
X    if(c < RV_NUL)
X      return(c);
X    else if(c == RV_NUL)
X      (void) strcpy(pattern, "*");
X  }
X  if(one && ISTAG(cdlist, CFCUR)) {     /* Current file */
X    untagfile(CFCUR);
X    unsetmark(CFCUR);
X  }
X  else                                  /* Matching files */
X    for(f = 0; f < CNFIL; f++)
X      if(umatch(cdlist, f, pattern) > 0 && ISTAG(cdlist, f)) {
X       untagfile(f);
X       unsetmark(f);
X      }
X
X  return(RV_OK);
X
X} /* untag() */
X
X/*
X *      EXECUTE CURRENT FILE
X */
X
X/* Check if current file is given in command */
LOCAL int filemissing(s)
X  register char *s;
X{
X  while(*s) {
X    if(*s == '%') {             /* Leadin found */
X      ++s;
X      if(*s == 'f' || *s == 'F' || *s == 'p' || *s == 'P')
X       return(0);              /* Found */
X    }
X    else
X      ++s;
X  }
X  return(1);
X
X} /* filemissing() */
X
X/* Execute or execute on file f */
LOCAL int execfile(f, m)
X  register int f, m;
X{
X  char cmd[EXECLEN], buf[2*INPLEN], par[INPLEN];
X  register xlist *xp;
X  register int c;
X
X  if(m)
X    setmark(f, FF_MARK);
X  /* Check if a command is defined for filetype */
X  for(xp = xroot; xp; xp = (xlist *) XNEXT(xp))
X    if(umatch(cdlist, f, XTYPE(xp)))
X      break;
X
X  /* Execute filetype dependent command if defined */
X  if(xp && XCOMD(xp))  {
X    if(XCOMM(xp))
X      puthelp("%s: %s #%s", who, FFNAM(cdlist, f), XCOMM(xp));
X    else
X      puthelp("%s: %s", who, FFNAM(cdlist, f));
X    c = putecho("Execute:");
X    c = getline(buf, sizeof(buf), c, 'l', XCOMD(xp), GNULL, 0);
X    if(m)
X      unsetmark(f);
X    if(c != RV_OK)
X      return(c);
X    if(filemissing(buf))
X      (void) sprintf(buf, "%s %%F", buf);
X  }
X  /* File is executable */
X  else if(FMODE(cdlist, f) == FF_EXEC) {
X    puthelp("%s: Give parameter(s) or a command", who);
X    c = putecho("Execute %s:", FFNAM(cdlist, f));
X    c = getline(par, sizeof(par), c, 'l', NULL, GNULL, 0);
X    if(m)
X      unsetmark(f);
X    if(c < RV_NUL)
X      return(c);
X    else if(c == RV_NUL)
X      (void) strcpy(buf, "./%F");
X    else if(filemissing(par))
X      (void) sprintf(buf, "%%F %s", par);
X    else
X      (void) strcpy(buf, par);
X  }
X  /* Execute command on current file */
X  else {
X    puthelp("%s: Give a command and parameter(s)", who);
X    c = putecho("Execute on %s:", FFNAM(cdlist, f));
X    c = getline(par, sizeof(par), c, 'l', NULL, GNULL, 0);
X    if(m)
X      unsetmark(f);
X    if(c != RV_OK)
X      return(c);
X    if(filemissing(par))
X      (void) sprintf(buf, "%s %%F", par);
X    else
X      (void) strcpy(buf, par);
X  }
X
X  /* Format command line and execute */
X  c = userformat(cmd, buf, V_FC1, "EXECUTE");
X  if(c == RV_NUL) {
X    puthelp("%s %s", who, hitkey);
X    return(errequest(FFNAM(cdlist, f), "Bad format"));
X  }
X  else if(c < RV_NUL)
X    return(c);
X
X  puthelp("%s: %s", who, cmd);
X  c = callsystem(cmd, 1, 0);
X
X  if(c != RV_OK) {
X    puthelp("%s: %s %s", who, cmd, hitkey);
X    return(errequest(FFNAM(cdlist, f), "Error in executing"));
X  }
X  return(hitakey("Return from execute (Hit a key)", lines-1, DA_REVERSE));
X
X} /* execfile() */
X
X/* Execute or execute on files */
LOCAL int execute(one)
X  register int one;
X{
X  register int c, f, m;
X
X  if(CNFIL == 0)                /* Nothing to execute */
X    return(RV_OK);
X
X  who = "EXECUTE FILE";
X  if( !one && CNTAG) {          /* Tagged files */
X    m = 1;
X    for(f = 0; f < CNFIL; f++)
X      if(ISTAG(cdlist, f)) {
X       untagfile(f);
X       c = execfile(f, m);
X       m = 0;
X       if(c == 'q' || c < RV_NUL)
X         break;
X      }
X  }
X  else                          /* Current file */
X    c = execfile(CFCUR, 1);
X
X  checkdlist(CPNAM);            /* Directory needs checking */
X  return(c);
X
X} /* execute() */
X
X/*
X *      FILE MENU LOOP
X */
X
X#if     defined(SIGWINCH) && defined(TIOCGWINSZ)
X/* Refresh file screen after screen size changes */
GLOBL int refreshfile(f)
X  register int f;
X{
X  if(f)
X    (void) refreshtree(0);
X  f = CFCUR;
X  CFTOP = CFCUR = 0;
X  while(CFCUR != f && gofile(cdlist, 1))
X    ;
X  flast = -1;
X  fileflag = SF_FULL;
X  return(RV_OK);
X
X} /* refreshfile() */
X#endif  /* SIGWINCH && TIOCGWINSZ */
X
X/* File menu */
GLOBL int filemenu(f, r)
X  register int f, r;
X{
X  register int c, i, j;
X
X  who = "FILE MENU";
X  /* Change to directory and check if it is empty */
X  if((c = changelist(cdlist, who)) != RV_OK)
X    return(c);
X  else if(r != RV_DIR && CNFIL == 0) {
X    puthelp("%s: %s (Y:change  ELSE:don't change)", who, CFNAM);
X    if((c = errequest(CFNAM, "Is empty, change anyway ?")) != 'y')
X      return(c);
X  }
X
X  /* Position to current file on screen */
X  if(f >= 0 && f < CNFIL)
X    while(CFCUR != f)
X      (void) gofile(cdlist, CFCUR < f ? 1 : -1);
X
X  /* Init file variables */
X  if(menuline == NULL)
X    menuline = fmline;
X  buildflag = 0;
X  nscroll   = 0;
X  flast     = -1;
X  fmark     = -1;
X  fileflag  = SF_FULL;
X
X  /* File menu loop */
X  do {
X    /* Update file screen if needed and clock */
X    if(fileflag && !keypressed())
X      updatefiles();
X#ifdef  UTCLOCK
X    if(VARSET(V_CL))
X      clockon();
X#endif  /* UTCLOCK */
X    flushout();
X    c = getkey();
X#ifdef  UTCLOCK
X    if(VARSET(V_CL))
X      clockoff();
X#endif  /* UTCLOCK */
X    switch(c) {
X      default:                  /* Unknown: ring the bell */
X       bell(VARSET(V_BL));
X       break;
X      case K_BACK:              /* Previous file */
X      case 'k':                 /* For vi fans */
X       if( !gofile(cdlist, -1))
X         bell(VARSET(V_BL));
X       break;
X      case K_FORW:              /* Next file */
X      case 'j':                 /* For vi fans */
X       if( !gofile(cdlist, 1))
X         bell(VARSET(V_BL));
X       break;
X      case K_PREV:              /* Up file */
X       if(gofile(cdlist, -1))
X         for(i = 1; i < fperline; i++)
X           (void) gofile(cdlist, -1);
X       else
X         bell(VARSET(V_BL));
X       break;
X      case K_NEXT:              /* Down file */
X       if(gofile(cdlist, 1))
X         for(i = 1; i < fperline; i++)
X           (void) gofile(cdlist, 1);
X       else
X         bell(VARSET(V_BL));
X       break;
X      case K_PPAG:              /* Previous page */
X       if(CFTOP > 0 && gofile(cdlist, -1))
X         for(i = 1; i < fperpage && gofile(cdlist, -1); i++)
X           ;
X       else
X         bell(VARSET(V_BL));
X       break;
X      case K_NPAG:              /* Next page */
X       if((CFTOP + fperpage) < CNFIL && gofile(cdlist, 1))
X         for(i = 1; i < fperpage && gofile(cdlist, 1); i++)
X           ;
X       else
X         bell(VARSET(V_BL));
X       break;
X      case K_HOME:              /* First file */
X       i = CFCUR;
X       if(gofile(cdlist, -1)) {
X         fmark = i;
X         while(gofile(cdlist, -1))
X           ;
X       }
X       else
X         bell(VARSET(V_BL));
X       break;
X      case K_END:               /* Last file */
X       i = CFCUR;
X       if(gofile(cdlist, 1)) {
X         fmark = i;
X         while(gofile(cdlist, 1))
X           ;
X       }
X       else
X         bell(VARSET(V_BL));
X       break;
X      case '@':                 /* Mark current file */
X      case K_MARK:
X       fmark = CFCUR;
X       break;
X      case '#':                 /* Goto previously marked file */
X      case K_GOTO:
X       j = fmark;
X       for(i = CFCUR; i < CNFIL; i++)
X         if(fmark == i) {
X           while(gofile(cdlist, 1) && CFCUR != fmark)
X             ;
X           fmark = j;
X           goto MDONE;
X         }
X       for(i = 0; i < CFCUR; i++)
X         if(fmark == i) {
X           while(gofile(cdlist, -1) && CFCUR != fmark)
X             ;
X           fmark = j;
X           goto MDONE;
X         }
X       bell(VARSET(V_BL));
MDONE:  break;
X      case K_TAG:               /* Next tagged file */
X       for(i = CFCUR + 1; i < CNFIL; i++)
X         if(ISTAG(cdlist, i)) {
X           while(gofile(cdlist, 1) && CFCUR != i)
X             ;
X           goto TDONE;
X         }
X       for(i = 0; i < CFCUR; i++)
X         if(ISTAG(cdlist, i)) {
X           while(gofile(cdlist, -1) && CFCUR != i)
X             ;
X           goto TDONE;
X         }
X       bell(VARSET(V_BL));
TDONE:  break;
X      case K_UP:                /* Scroll up */
X       if( !scrollfile(-1))
X         bell(VARSET(V_BL));
X       break;
X      case K_DOWN:              /* Scroll down */
X       if( !scrollfile(1))
X         bell(VARSET(V_BL));
X       break;
X      case '>':                 /* Change to directory */
X      case K_INS:
X       c = gotodirectory();
X       break;
X      case '<':                 /* Back to parent directory */
X      case K_DEL:
X       c = gotoparent();
X       break;
X      case K_SIZE:              /* Screen size changed */
X#if     defined(SIGWINCH) && defined(TIOCGWINSZ)
X       c = RV_SIZ;
X#else   /* !SIGWINCH || !TIOCGWINSZ */
X       c = RV_OK;
X#endif  /* SIGWINCH && TIOCGWINSZ */
X       /*Fall thru*/
X      case K_REFR:              /* Refresh */
X       fileflag = SF_FULL;
X       break;
X      case 'n':                 /* New sort file list */
X      case 'N':
X       fmark = -1;
X       if((c = sortlist(cdlist, CSORT ? 0 : 1)) == RV_OK)
X         fileflag |= SF_TREE;
X       break;
X      case 'd':                 /* Date */
X      case 'D':
X       c = printdate();
X       break;
X      case 'w':                 /* Current directory */
X      case 'W':
X       c = printcwd();
X       break;
X      case '?':                 /* Help */
X      case 'H':
X      case 'h':
X      case K_HELP:
X       c = showhelp('f');
X       break;
X      case 't':                 /* Tag current or tagged file(s) */
X      case 'T':
X       c = tag(CUR(c));
X       break;
X      case 'u':                 /* Untag current or tagged file(s) */
X      case 'U':
X       c = untag(CUR(c));
X       break;
X      case 'g':                 /* Search string in file */
X      case 'G':
X       c = grep(CUR(c));
X       break;
X      case 'f':                 /* Find file */
X      case 'F':
X       c = find(CUR(c));
X       break;
X      case 'c':                 /* Copy current or tagged file(s) */
X      case 'C':
X       c = copy(CUR(c));
X       break;
X      case 'e':                 /* Edit current or tagged file(s) */
X      case 'E':
X       c = edit(CUR(c));
X       break;
X      case 's':                 /* Status of current or tagged file(s) */
X      case 'S':
X       c = status(CUR(c), 1);
X       break;
X      case 'i':                 /* Short info of current or tagged file(s) */
X      case 'I':
X       c = status(CUR(c), 0);
X       break;
X      case 'p':                 /* Print current or tagged file(s) */
X      case 'P':
X       c = print(CUR(c));
X       break;
X      case 'v':                 /* View current or tagged file(s) */
X      case 'V':
X       c = view(CUR(c));
X       break;
X      case 'm':                 /* Move current or tagged file(s) */
X      case 'M':
X       c = move(CUR(c));
X       break;
X      case 'r':                 /* Remove current or tagged file(s) */
X      case 'R':
X       c = remove(CUR(c));
X       break;
X      case 'l':                 /* List files */
X      case 'L':
X       c = list(CUR(c));
X       break;
X      case 'x':                 /* Execute current file */
X      case 'X':
X       c = execute(CUR(c));
X       break;
X      case '0':                 /* Switch menu line */
X       menuline = menuline == ufilemenu ? fmline : ufilemenu;
X       fileflag |= SF_HELP;
X       break;
X      case '1':                 /* User defined file commands 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       c = usercommand(c - '0' + V_FC0);
X       break;
X      case '!':                 /* Shell escape */
X      case '$':
X       c = history(c, V_FC1);
X       if(VARSET(V_ST))
X         (void) scandlist(droot);
X       break;
X      case '=':                 /* Show/set variables */
X       c = variables();
X       break;
X      case ':':                 /* Show/set file type commands */
X       c = commands();
X       break;
X      case '|':                 /* Show key bindings */
X       c = bindings();
X       break;
X      case '/':                 /* Rebuild file list */
X       fmark = -1;
X       CFLAG = FL_CHG;
X       ++buildflag;
X       c = RV_OK;
X       break;
X      case 'z':                 /* Zoom file list */
X      case 'Z':
X       c = zoomfile();
X       break;
X      case 'a':                 /* Display version string */
X      case 'A':
X       c = putversion(echoline, "ABOUT: Utree version");
X       break;
X      case 'q':                 /* Return to tree screen */
X      case 'Q':
X      case ' ':
X      case K_SEL:
X      case K_BRK:
X       c = RV_RET;
X       break;
X      case K_EOF:               /* Exit */
X       c = RV_END;
X       break;
X    }
X#if     defined(SIGWINCH) && defined(TIOCGWINSZ)
X    /* Refresh screen after screen resize */
X    if(c == RV_SIZ)
X      c = refreshfile(1);
X#endif  /* SIGWINCH && TIOCGWINSZ */
X    /* Rebuilding needed */
X    if(buildflag && updatedlist() != RV_OK)
X      c = RV_ERR;
X  } while(c >= RV_INT);
X
X  /* Set treeflag and return */
X  treeflag = SF_FULL;
X  return(c);
X
X} /* filemenu() */
X
END_OF_FILE
if test 41484 -ne `wc -c <'src/file.c'`; then
    echo shar: \"'src/file.c'\" unpacked with wrong size!
fi
# end of 'src/file.c'
fi
if test -f 'src/term.c' -a "${1}" != "-c" ; then
  echo shar: Will not clobber existing file \"'src/term.c'\"
else
echo shar: Extracting \"'src/term.c'\" \(30770 characters\)
sed "s/^X//" >'src/term.c' <<'END_OF_FILE'
X/*
X *      TERM.C
X *      UTREE terminal, screen and keyboard routines.
X *      3.01-um klin, Wed May  1 14:21:09 1991
X *              klin, Mon Oct  7 15:16:22 1991, Bug in putchar() deleted
X *              klin, Sat Oct 26 15:26:07 1991, Marking directories changed
X *      3.02-um klin, Fri Nov  1 10:44:45 1991, Screen layout changed
X *                    Sun Nov 10 19:46:21 1991, Function key handling changed
X *                    Sun Nov 24 12:22:56 1991, Extensions for XENIX reported
X *                                              by Rolf Gebhardt (RG 11/22/91)
X *                                              Bug fixes in output reported by
X *                                              Reinhard Wobst and Rolf Gebhardt
X *                                              Video attributes changed
X *      3.03-um klin, Tue Feb 11 19:39:09 1992, Video handling changed
X *                                              Handle glitch capabilities
X *                                              properly
X *              klin, Sun Feb 23 20:33:30 1992, Key handling and key bindings
X *                                              changed. getkey() changed for
X *                                              handling key bindings from
X *                                              key bindings list
X *            a klin, Sun Mar 15 19:08:25 1992, Bug fix in getkey(), clearline()
X *                                              and cleartoend().
X *                                              Minor changes for AIX 3.2
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 term.c";
X#endif  /* !lint */
X
X#include "defs.h"
X
X/*      TEST:   Handling of sg/ug glitches (i.e. for bando terminal)
X *      Handling of sg/ug glitches may be wrong because i could test
X *      their handling on xterm simulating the sg/ug glitches only.
X */
X
X/* ---- Local/global variables and definitions ------------------------ */
X
X#define TCAPLEN 1024            /* Length of termcap buffers            */
X#define KBUFLEN 254             /* Length of keyboard buffer            */
X#define HUGE    9999            /* A huge number                        */
X
GLOBL char PC;                  /* Needed by termcap (???)              */
GLOBL char *UP;                 /* Needed by termcap (???)              */
GLOBL char *BC;                 /* Needed by termcap (???)              */
X
LOCAL int _XR;                  /* Carriage return glitch               */
LOCAL int _MS;                  /* Can move cursor in standout mode     */
LOCAL int _SG;                  /* Standout mode glitch: # of blanks    */
LOCAL int _UG;                  /* Underline glitch: # of blanks        */
LOCAL char *_CM;                /* Cursor motion                        */
LOCAL char *_CL;                /* Clear screen                         */
LOCAL char *_CD;                /* Clear to end of screen               */
LOCAL char *_CE;                /* Clear to end of line                 */
LOCAL char *_TI;                /* Init string for cursor motion        */
LOCAL char *_TE;                /* Exit string for cursor motion        */
LOCAL char *_KS;                /* Turn on keypad transmit mode         */
LOCAL char *_KE;                /* Turn off keypad transmit mode        */
LOCAL char *_MR;                /* Turn on reverse video mode           */
LOCAL char *_MB;                /* Turn on blink video mode             */
LOCAL char *_MD;                /* Turn on bold video mode              */
LOCAL char *_MH;                /* Turn on half bright video mode       */
LOCAL char *_ME;                /* Turn off all video attributes        */
LOCAL char *_US;                /* Start underlining                    */
LOCAL char *_UE;                /* End underlining                      */
LOCAL char *_IC;                /* Insert character at cursor position  */
LOCAL char *_DC;                /* Delete character at cursor position  */
LOCAL char *_AL;                /* Insert line above line cursor is on  */
LOCAL char *_DL;                /* Delete line cursor is on             */
LOCAL char *_CS;                /* Set scroll region                    */
LOCAL char *_NL;                /* New line (default: ^J = NL)          */
LOCAL char *_CR;                /* Carriage return (default: ^M = CR)   */
LOCAL char *_LE;                /* Cursor left (default: ^H = BS)       */
LOCAL char *_DO;                /* Cursor down                          */
LOCAL char *_SF;                /* Scroll screen up                     */
LOCAL char *_SR;                /* Scroll screen down                   */
LOCAL char *_SC;                /* Save cursor position                 */
LOCAL char *_RC;                /* Restore cursor position              */
LOCAL char *_VE;                /* Cursor normal                        */
LOCAL char *_VS;                /* Cursor very visible                  */
LOCAL char *_VI;                /* Cursor invisible                     */
LOCAL char *_BL;                /* Bell (default ^G = BEL)              */
LOCAL char *_AC = NULL;         /* Alternate character set              */
LOCAL char *_EA = NULL;         /* Enable alternate character set       */
LOCAL char *_AS = NULL;         /* Alternate character set on           */
LOCAL char *_AE = NULL;         /* Alternate character set off          */
X#ifdef  XENIX   /* RG 11/22/91 */
LOCAL char *_G2 = NULL;         /* Upper left corner                    */
LOCAL char *_GH = NULL;         /* Horizontal bar                       */
LOCAL char *_G1 = NULL;         /* Upper right corner                   */
LOCAL char *_GV = NULL;         /* Vertical bar                         */
LOCAL char *_G4 = NULL;         /* Lower right corner                   */
LOCAL char *_G3 = NULL;         /* Lower left corner                    */
LOCAL char *_GD = NULL;         /* Top tee                              */
LOCAL char *_GL = NULL;         /* Right tee                            */
LOCAL char *_GU = NULL;         /* Bottom tee                           */
LOCAL char *_GR = NULL;         /* Left tee                             */
LOCAL char *_GC = NULL;         /* Plus sign = mark sign                */
X#endif  /* XENIX */
X
LOCAL char termbuf[TCAPLEN];    /* Termcap buffer                       */
LOCAL int nfkeys;               /* Number of defined function keys      */
X#ifdef BSD
LOCAL struct sgttyb raw, tty;   /* Terminal driver data record          */
X# define TCGETA TIOCGETP
X# define TCSETA TIOCSETP
X#else   /* SYSV */
LOCAL struct termio raw, tty;
X# ifndef HASFIONREAD
LOCAL int kbflag;               /* Input mode flag                      */
X# endif /* !HASFIONREAD */
X#endif  /* BSD */
X
LOCAL kchar kbuf[KBUFLEN+2];    /* Input buffer                         */
LOCAL int kcnt = 0;             /* Input buffer counter                 */
LOCAL int kind = 0;             /* Input buffer index                   */
LOCAL int curx = HUGE;          /* Current screen column                */
LOCAL int cury = HUGE;          /* Current screen line                  */
LOCAL int vatt = VA_NORMAL;     /* Current video attributes setting     */
LOCAL int gatt = GC_OFF;        /* Current graphic character set flag   */
X
X/* ---- External variables and functions ------------------------------ */
X
X#ifdef  BSD
XEXTRN short ospeed;             /* Is ospeed really needed???           */
X#endif  /* BSD */
XEXTRN char *getenv();
XEXTRN char *tgetstr();
XEXTRN char *tgoto();
X
X/* ---- Local/global functions and procedures ------------------------- */
X
X/*
X *      INTERNAL USED ROUTINES
X */
X
X/* Output one character for tputs() */
LOCAL int _putch(c)
X  register int c;
X{
X  return(putc((unsigned char) c, stdout));
X
X} /* _putch() */
X
X/*TEST: Handling of sg/ug glitches */
X/* Move cursor back for terminals with underline or standout glitch */
LOCAL VOID _backglitch(j)
X  register int j;
X{
X  register int i;
X
X  for(i = 0; i < j; i++) {
X    if(_LE)
X      tputs(_LE, 1, _putch);
X    else if(BC)
X      tputs(BC, 1, _putch);
X    else
X      (void) _putch('\b');
X  }
X
X} /* _backglitch() */
X
X/*
X *      VIDEO ATTRIBUTE AND GRAPHIC CHARSET ROUTINES
X */
X
X/* Turn on/off video attributes as defined in mask v */
GLOBL VOID videoset(v)
X  register int v;
X{
X  if(vatt) {                            /* Video attributes off */
X    if((vatt & VA_UNDERLINE) && _UE) {
X      tputs(_UE, 1, _putch);
X/*TEST: Handling of sg/ug glitches */
X      if(_UG > 0)
X       _backglitch(_UG);
X      vatt &= ~VA_UNDERLINE;
X    }
X    if(vatt && _ME) {
X      tputs(_ME, 1, _putch);
X/*TEST: Handling of sg/ug glitches */
X      if(_SG > 0)
X       _backglitch(_SG);
X    }
X  }
X  vatt = VA_NORMAL;
X  if(v & VA_REVERSE && _MR) {           /* Video reverse */
X    tputs(_MR, 1, _putch);
X/*TEST: Handling of sg/ug glitches */
X    if(_SG > 0)
X      _backglitch(_SG);
X    vatt |= VA_REVERSE;
X  }
X  if(v & VA_UNDERLINE && _US) {         /* Start underlining */
X    tputs(_US, 1, _putch);
X/*TEST: Handling of sg/ug glitches */
X    if(_UG > 0)
X      _backglitch(_UG);
X    vatt |= VA_UNDERLINE;
X  }
X  if(v & VA_BLINK && _MB) {             /* Video blink */
X    tputs(_MB, 1, _putch);
X    vatt |= VA_BLINK;
X  }
X  if(v & VA_BOLD && _MD) {              /* Video bold */
X    tputs(_MD, 1, _putch);
X    vatt |= VA_BOLD;
X  }
X  if(v & VA_HALF && _MH) {              /* Video half bright */
X    tputs(_MH, 1, _putch);
X    vatt |= VA_HALF;
X  }
X
X} /* videoset() */
X
X/* Turn on/off graphic character set as defined in flag f */
GLOBL VOID graphicset(f)
X  register int f;
X{
X  if(gatt != f) {
X    if(f && _AS)                /* Enable graphic charset */
X      tputs(_AS, 1, _putch);
X    else if(_AE)                /* Disable graphic charset */
X      tputs(_AE, 1, _putch);
X    gatt = f;
X  }
X
X} /* graphicset() */
X
X/*
X *      OUTPUT ROUTINES
X */
X
X/* Ring the bell */
GLOBL VOID bell(f)
X  register int f;
X{
X  if(f) {
X    if(_BL)
X      tputs(_BL, 1, _putch);
X    else
X      (void) _putch(7);
X  }
X
X} /* bell() */
X
X/* Move cursor back one character */
GLOBL VOID backspace()
X{
X  if(curx > 0) {
X    if(_LE)
X      tputs(_LE, 1, _putch);
X    else if(BC)
X      tputs(BC, 1, _putch);
X    else
X      (void) _putch('\b');
X    --curx;
X  }
X
X} /* backspace() */
X
X/* Move to beginning of line */
GLOBL VOID begline()
X{
X  if(curx > 0) {
X    curx = 0;
X    if(_XR)
X      (void) cursorxy(0, cury);
X    else if(_CR)
X      tputs(_CR, 1, _putch);
X    else
X      (void) _putch('\r');
X  }
X
X} /* begline() */
X
X/* Move to beginning of next line */
GLOBL VOID newline()
X{
X  if(cury < lines) {
X    begline();
X    ++cury;
X    if(_NL)
X      tputs(_NL, 1, _putch);
X    else if(_DO)
X      tputs(_DO, 1, _putch);
X    else
X      (void) _putch('\n');
X  }
X
X} /* newline() */
X
X/* Write character c if cursor is on screen */
GLOBL int putchar(c)
X  register int c;
X{
X  if(videoattr != vatt)         /* Check and set video attributes */
X    videoset(videoattr);
X  if(graphattr != gatt)         /* Check and set graphic charset */
X    graphicset(graphattr);
X  switch(c) {
X    case 7:                     /* Bell */
X      bell(1);
X      break;
X    case '\b':                  /* Backspace */
X      backspace();
X      break;
X    case '\t':                  /* Tab */
X      if(curx < columns && cury < lines) {
X       do
X         (void) _putch(' ');
X       while(++curx % 8 && curx < columns);
X      }
X      break;
X    case '\n':                  /* Newline */
X      newline();
X      break;
X    case '\r':                  /* Carriage return */
X      begline();
X      break;
X    default:                    /* Others */
X      if(curx < columns && cury < lines && isprint(c & 0x7f)) {
X       (void) _putch(c);
X       ++curx;
X      }
X      break;
X  }
X  return(curx < columns && cury < lines ? 1 : 0);
X
X} /* putchar() */
X
X/* Flush output buffer */
GLOBL VOID flushout()
X{
X  (void) fflush(stdout);
X
X} /* flushout() */
X
X/*
X *      INPUT ROUTINES
X */
X
X/* Read one character from keyboard. Ignore or handle signals */
GLOBL int getchar()
X{
X  register int c;
X
X#ifdef  BSD
X  atread = 1;
X# if    defined(SIGWINCH) && defined(TIOCGWINSZ)
X  /* BSD: Signal SIGWINCH doesn't interrupt systemcall read() ! */
X  /*      Set up here if SIGWINCH is catched and return K_SIZE  */
X  if(setjmp(winchjump) && sizechange) {
X    sizechange = atread = 0;
X    return(K_SIZE);
X  }
X# endif /* SIGWINCH && TIOCGWINSZ */
X  c = getc(stdin);
X  atread = 0;
X  return(c);
X#else   /* SYSV */
X  do {
X    c = getc(stdin);
X# if    defined(SIGWINCH) && defined(TIOCGWINSZ)
X    /* SYSV: Signal SIGWINCH interrupts systemcall read() ! */
X    /*       So return K_SIZE if signal SIGWINCH is catched */
X    if(c < 0 && sizechange) {
X      sizechange = 0;
X      return(K_SIZE);
X    }
X# endif /* SIGWINCH && TIOCGWINSZ */
X  }
X  while(c < 0 && errno == EINTR);
X  return(c);
X#endif  /* BSD */
X
X} /* getchar() */
X
X/* Check if input from keyboard is pending */
GLOBL int keypressed()
X{
X  int c;
X
X#if     defined(BSD) || defined(HASFIONREAD)
X  /* Quick check how many chars are to read */
X  return(ioctl(fileno(stdin), FIONREAD, &c) < 0 ? 0 : c);
X#else   /* SYSV && !HASFIONREAD */
X  /* Set stdin to no delay and try to read one char */
X  (void) fcntl(fileno(stdin), F_SETFL, kbflag|O_NDELAY);
X  c = getc(stdin);
X  (void) fcntl(fileno(stdin), F_SETFL, kbflag);
X  if(c >= 0) {
X    (void) ungetc(c, stdin);
X    return(1);
X  }
X  return(0);
X#endif  /* BSD || HASFIONREAD */
X
X} /* keypressed() */
X
X/* Read a character from keyboard with respect to function keys */
GLOBL int getkey()
X{
X  register klist *fp, *lp, *p;
X  register kchar c;
X  register int k;
X
X  /* Flush output buffer */
X  flushout();
X
X  /* Input buffer contains character(s) */
X  if(kcnt > 0) {
X    --kcnt;
X    return((int) kbuf[kind++]);
X  }
X
X  /* Get next character */
X  if((c = getchar()) == 0)      /* Map ASCII-NUL */
X    c = 0200;
X  /* Search for first matching entry in key binding list */
X  for(fp = kroot; fp; fp = (klist *) KBNXT(fp))
X    if(KBCHR(fp, 0) == c)
X      break;
X  /* No match: return character */
X  if(fp == KNULL)
X    return((int) c);
X
X  /* Search for last matching entry in key binding list */
X  lp = fp;
X  while((p = (klist *) KBNXT(lp)) && KBCHR(p, 0) == c)
X    lp = p;
X
X  /* Continue comparison of input and key strings */
X  for(k = 1; ; k++) {
X    /* Match: return bound key symbol */
X    if(fp == lp && KBCHR(fp, k) == 0) {
X      kcnt = 0;
X      if(KBSYM(fp) == K_STR && KBINS(fp)) {
X       kind = 0;
X       (void) ungetstring(KBINS(fp));
X       break;
X      }
X      return(KBSYM(fp));
X    }
X    /* Else: get next character */
X    if((c = getchar()) == 0)    /* Map ASCII-NUL */
X      c = 0200;
X    kbuf[kcnt++] = c;
X    /* Search for next first and last matching entries in binding list */
X    while(KBCHR(fp, k) != c && fp != lp)
X      fp = (klist *) KBNXT(fp);
X    while(KBCHR(lp, k) != c && lp != fp)
X      lp = (klist *) KBPRV(lp);
X    /* No match: exit loop */
X    if(KBCHR(fp, k) != c)
X      break;
X  }
X
X  /* No match: return character from input buffer */
X  --kcnt;
X  return((int) kbuf[kind++]);
X
X} /* getkey() */
X
X/* Put back character c into input buffer */
GLOBL VOID ungetkey(c)
X  register int c;
X{
X  if(kcnt < KBUFLEN)
X    kbuf[kcnt++] = (kchar) c;
X
X} /* ungetkey() */
X
X/* Put back string s into input buffer */
GLOBL int ungetstring(s)
X  register char *s;
X{
X  register int c;
X
X  while(*s) {
X    if(*s == '\\')
X      switch(*++s) {
X       default:                        /* Error */
X         return(1);
X       case 'b':                       /* Backspace ?? */
X         c = '\b';
X         break;
X       case 'f':                       /* Formfeed  ?? */
X         c = '\f';
X         break;
X       case 'r':                       /* Carriage return */
X       case 'n':                       /* Newline */
X         c = '\n';
X         break;
X       case 't':                       /* Tab */
X         c = '\t';
X         break;
X       case 's':                       /* Space */
X         c = ' ';
X         break;
X       case 'e':                       /* Escape */
X       case 'E':
X         c = 0x1b;
X         break;
X      }
X    else if(*s == '^') {                /* Control chars ?? */
X      ++s;
X      if(*s == '?')                     /* DEL */
X       c = 0x7f;
X      else if(*s >= '@' && *s <= '_')   /* NUL .. US */
X       c = *s - '@';
X      else if(*s >= 'a' && *s <= 'z')   /* SOH .. SUB */
X       c = *s - '`';
X      else
X       return(1);
X    }
X    else
X      c = *s;
X    ungetkey(c);
X    ++s;
X  }
X  return(0);
X
X} /* ungetstring() */
X
X/*
X *      GLOBAL SCREEN ROUTINES
X */
X
X/* Move the cursor to new x,y position */
GLOBL int cursorxy(x, y)
X  register int x, y;
X{
X  if(x < 0) x = columns + x;
X  if(y < 0) y = lines   + y;
X  if(x < 0 || x >= columns || y < 0 || y >= lines) {
X    curx = cury = HUGE;
X    return(0);
X  }
X  if( !_MS && vatt)             /* Reset video attributes */
X    videoset(VA_NORMAL);
X  if(gatt)                      /* Reset graphic charset */
X    graphicset(GC_OFF);
X  tputs(tgoto(_CM, x, y), 1, _putch);
X  curx = x;
X  cury = y;
X  return(1);
X
X} /* cursorxy() */
X
X/* Return current cursor position */
GLOBL VOID cursorpos(x, y)
X  register int *x, *y;
X{
X  *x = curx;
X  *y = cury;
X
X} /* cursorpos() */
X
X/* Insert character at cursor position */
GLOBL int insertchar()
X{
X  if(_IC) {
X    tputs(_IC, 1, _putch);
X    return(1);
X  }
X  return(0);
X
X} /* insertchar() */
X
X/* Delete character under cursor */
GLOBL int deletechar()
X{
X  if(_DC) {
X    tputs(_DC, 1, _putch);
X    return(1);
X  }
X  return(0);
X
X} /* deletechar() */
X
X/* Insert n lines above line cursor is on */
GLOBL int insertline(y, n)
X  register int y, n;
X{
X  if(_AL && cursorxy(0, y)) {
X    while(n--)
X      tputs(_AL, 1, _putch);
X    return(1);
X  }
X  return(0);
X
X} /* insertline() */
X
X/* Delete n lines cursor is on */
GLOBL int deleteline(y, n)
X  register int y, n;
X{
X  if(_DL && cursorxy(0, y)) {
X    while(n--)
X      tputs(_DL, 1, _putch);
X    return(1);
X  }
X  return(0);
X
X} /* deleteline() */
X
X/* Set scroll window from line f to line t */
GLOBL int windowset(f, t)
X  register int f, t;
X{
X  /* Set scroll region from line f to line t */
X  if(_CS && f <= t) {
X    tputs(tgoto(_CS, t, f), t - f + 1, _putch);
X    return(1);
X  }
X  return(0);
X
X} /* windowset() */
X
X/* Scroll n lines up window from line f to line t */
GLOBL int windowup(f, t, n)
X  register int f, t, n;
X{
X  /* Set scrollregion from f to t and scroll up n lines */
X  if(_SF && windowset(f, t)) {
X    (void) cursorxy(0, t);
X    while(n-- > 0)
X      tputs(_SF, lines, _putch);
X    /* Reset scroll region to screen */
X    (void) windowset(0, lines - 1);
X    return(1);
X  }
X  /* Scroll up with a combination of insert and delete line */
X  else if(_AL && deleteline(f, n)) {
X    (void) insertline(t - n + 1, n);
X    return(1);
X  }
X  return(0);
X
X} /* windowup() */
X
X/* Scroll n lines down in window from line f to line t */
GLOBL int windowdown(f, t, n)
X  register int f, t, n;
X{
X  /* Set scrollregion from f to t and scroll down n lines */
X  if(_SR && windowset(f, t)) {
X    (void) cursorxy(0, f);
X    while(n-- > 0)
X      tputs(_SR, lines, _putch);
X    /* Reset scroll region to screen */
X    (void) windowset(0, lines - 1);
X    return(1);
X  }
X  /* Scroll down with a combination of insert and delete line */
X  else if(_AL && deleteline(t - n + 1 ,n)) {
X    (void) insertline(f, n);
X    return(1);
X  }
X  return(0);
X
X} /* windowdown() */
X
X/* Clear the screen */
GLOBL VOID clearscreen()
X{
X  tputs(_CL, lines, _putch);
X  curx = cury = 0;
X
X} /* clearscreen() */
X
X/* Clear from cursor position to end of line */
GLOBL VOID clearline()
X{
X  if( !_MS && vatt)             /* Reset video attributes */
X    videoset(VA_NORMAL);
X  if(gatt)                      /* Reset graphic charset */
X    graphicset(GC_OFF);
X  tputs(_CE, 1, _putch);
X
X} /* clearline() */
X
X/* Clear to end of screen */
GLOBL int cleartoend()
X{
X  if( !_MS && vatt)             /* Reset video attributes */
X    videoset(VA_NORMAL);
X  if(gatt)                      /* Reset graphic charset */
X    graphicset(GC_OFF);
X  if(_CD) {
X    tputs(_CD, lines, _putch);
X    return(1);
X  }
X  return(0);
X
X} /* cleartoend() */
X
X/* Clear screen from line f to line t */
GLOBL VOID clearwindow(f, t)
X  register int f, t;
X{
X  /* Clear one line only */
X  if(f == t) {
X    (void) cursorxy(0, f);
X    tputs(_CE, 1, _putch);
X  }
X  /* Try clear to end of screen */
X  else if(t == lines - 1 && _CD) {
X    (void) cursorxy(0, f);
X    tputs(_CD, lines, _putch);
X  }
X  /* Try clear by window scrolling */
X  else if( !windowup(f, t, t - f + 1)) {
X    /* Clear line by line */
X    while(f <= t) {
X      (void) cursorxy(0, f++);
X      tputs(_CE, 1, _putch);
X    }
X    (void) cursorxy(0, f);
X  }
X
X} /* clearwindow() */
X
X/* Turn on/off keypad transmit mode if f is set/unset */
GLOBL VOID keypadxmit(f)
X  register int f;
X{
X  if(f && _KS)                  /* Keypad transmit mode */
X    tputs(_KS, 1, _putch);
X  else if(_KE)                  /* Keypad normal mode */
X    tputs(_KE, 1, _putch);
X
X} /* keypadxmit() */
X
X/* Do some cursor functions defined in mask c */
GLOBL VOID cursorset(c)
X  register int c;
X{
X  if(c & CF_SAVE && _SC) {              /* Save cursor */
X    if(vatt)                            /* Reset video attributes */
X      videoset(VA_NORMAL);
X    tputs(_SC, 1, _putch);
X  }
X  else if(c & CF_RESTORE && _RC)        /* Restore cursor */
X    tputs(_RC, 1, _putch);
X  if(c & CF_VISIBLE && _VE)             /* Cursor visible */
X    tputs(_VE, 1, _putch);
X  else if(c & CF_INVISIBLE && _VI)      /* Cursor invisible */
X    tputs(_VI, 1, _putch);
X
X} /* cursorset() */
X
X/* Init graphical character set if f is set */
GLOBL VOID initgraphics(f)
X  register int f;
X{
X  register char *ac;
X
X  GC_HB = '-';                  /* Use ascii meta chars as default */
X  GC_VB = GC_LT = GC_RT = '|';
X  GC_TT = GC_BT = GC_UL = GC_LL = GC_UR = GC_LR = GC_TG = '+';
X  graphcap = 0;
X  if(f && (ac = _AC)) {         /* If f is set and acsc is defined */
X#ifdef  AIX
X    GC_UL = *ac ? *ac++ : '+';  /* Upper left corner */
X    GC_HB = *ac ? *ac++ : '-';  /* Horizontal bar */
X    GC_UR = *ac ? *ac++ : '+';  /* Upper right corner */
X    GC_VB = *ac ? *ac++ : '|';  /* Vertical bar */
X    GC_LR = *ac ? *ac++ : '+';  /* Lower right corner */
X    GC_LL = *ac ? *ac++ : '+';  /* Lower left corner */
X    GC_TT = *ac ? *ac++ : '+';  /* Top tee */
X    GC_RT = *ac ? *ac++ : '|';  /* Right tee */
X    GC_BT = *ac ? *ac++ : '+';  /* Bottom tee */
X    GC_LT = *ac ? *ac++ : '|';  /* Left tee */
X    GC_TG = *ac ? *ac++ : '+';  /* Tag: plus sign */
X#else   /* !AIX */
X# ifdef XENIX   /* RG 11/22/91 */
X    if(*ac == '\0') {
X      GC_UL = _G2 ? *_G2 : '+'; /* Upper left corner */
X      GC_HB = _GH ? *_GH : '-'; /* Horizontal bar */
X      GC_UR = _G1 ? *_G1 : '+'; /* Upper right corner */
X      GC_VB = _GV ? *_GV : '|'; /* Vertical bar */
X      GC_LR = _G4 ? *_G4 : '+'; /* Lower right corner */
X      GC_LL = _G3 ? *_G3 : '+'; /* Lower left corner */
X      GC_TT = _GD ? *_GD : '+'; /* Top tee */
X      GC_RT = _GL ? *_GL : '|'; /* Right tee */
X      GC_BT = _GU ? *_GU : '+'; /* Bottom tee */
X      GC_LT = _GR ? *_GR : '|'; /* Left tee */
X      GC_TG = _GC ? *_GC : '+'; /* Tag: plus sign */
X    }
X# endif /* XENIX */
X    do {
X      switch(*ac) {
X       default:                /* Skip */
X         ++ac;
X       case '\0':              /* End of acsc */
X         break;
X       case 'j':               /* Lower right corner */
X         GC_LR = *++ac ? *ac : '+'; break;
X       case 'k':               /* Upper right corner */
X         GC_UR = *++ac ? *ac : '+'; break;
X       case 'l':               /* Upper left corner */
X         GC_UL = *++ac ? *ac : '+'; break;
X       case 'm':               /* Lower left corner */
X         GC_LL = *++ac ? *ac : '+'; break;
X       case 'q':               /* Horizontal bar */
X         GC_HB = *++ac ? *ac : '-'; break;
X       case 't':               /* Left tee */
X         GC_LT = *++ac ? *ac : '|'; break;
X       case 'u':               /* Right tee */
X         GC_RT = *++ac ? *ac : '|'; break;
X       case 'v':               /* Bottom tee */
X         GC_BT = *++ac ? *ac : '+'; break;
X       case 'w':               /* Top tee */
X         GC_TT = *++ac ? *ac : '+'; break;
X       case 'x':               /* Vertical bar */
X         GC_VB = *++ac ? *ac : '|'; break;
X       case '`':               /* Tag sign: diamond */
X         GC_TG = *++ac ? *ac : '+'; break;
X       case 'n':               /* Alternate tag sign: plus */
X         if(*++ac && GC_TG == '+')
X           GC_TG = *ac;
X         break;
X      }
X    } while(*ac && *++ac);
X#endif  /* AIX */
X    graphcap = 1;
X    if(_EA)
X      tputs(_EA, 1, _putch);
X  }
X
X} /* initgraphics() */
X
X/*
X *      TERMINAL ROUTINES
X */
X
X/* Switch terminal to raw mode */
GLOBL VOID terminalraw(f)
X  register int f;
X{
X  if(_TI && f)
X    tputs(_TI, 1, _putch);
X  curx = cury = HUGE;
X  keypadxmit(KP_XMIT);
X  flushout();
X  (void) ioctl(fileno(stdin), TCSETA, &raw);
X
X} /* terminalraw() */
X
X/* Reset terminal to initial mode */
GLOBL VOID terminalreset(f)
X  register int f;
X{
X  if(f && _TE)
X    tputs(_TE, 1, _putch);
X  curx = cury = HUGE;
X  keypadxmit(KP_NORMAL);
X  videoset(VA_NORMAL);
X  flushout();
X  (void) ioctl(fileno(stdin), TCSETA, &tty);
X
X} /* terminalreset() */
X
X/* Enable signal handling */
GLOBL VOID enablesignals()
X{
X#ifdef BSD
X  raw.sg_flags &= ~RAW;
X  raw.sg_flags |= CBREAK;
X#else   /* SYSV */
X  raw.c_lflag |= ISIG;
X#endif  /* BSD */
X  flushout();
X  (void) ioctl(fileno(stdin), TCSETA, &raw);
X
X} /* enablesignals() */
X
X/* Disable signal handling */
GLOBL VOID disablesignals()
X{
X#ifdef BSD
X  raw.sg_flags &= ~CBREAK;
X  raw.sg_flags |= RAW;
X#else   /* SYSV */
X  raw.c_lflag &= ~ISIG;
X#endif  /* BSD */
X  flushout();
X  (void) ioctl(fileno(stdin), TCSETA, &raw);
X
X} /* disablesignals() */
X
X/*
X *      INITIALIZATION AND RESET
X */
X
X/* Init screen, return error message on error */
GLOBL char *initscreen(term)
X  register char *term;
X{
X  char termcap[TCAPLEN];
X  char *cp = termbuf, *pc;
X
X  /* Get terminal type and init terminal data base */
X  if(term == NULL)
X    return("Terminal variable TERM not defined");
X  switch(tgetent(termcap, term)) {
X    case -1 :
X      return("Terminfo library not found");
X    case 0 :
X      return("Unknown terminal type");
X  }
X
X  /* Get all needed terminal capabilities from data base */
X  if((columns = tgetnum("co")) <= 0)
X    columns = MINCOLS;
X  if((lines   = tgetnum("li")) <= 0)
X    lines = MINLINS;
X  UP = tgetstr("up", &cp);
X  BC = tgetstr("bc", &cp);
X  if(pc = tgetstr("pc", &cp))
X    PC = *pc;
X  _CM = tgetstr("cm", &cp);
X  _CL = tgetstr("cl", &cp);
X  _CE = tgetstr("ce", &cp);
X
X  /* Cursor motion, clear screen and clear line must be defined! */
X  if(_CM == NULL || _CE == NULL || _CL == NULL)
X    return("Terminal too stupid");
X
X  _XR = tgetflag("xr");
X  _MS = tgetflag("ms");
X  _SG = tgetnum("sg");
X#ifdef  BSD
X  _UG = tgetnum("ug");
X#else   /* SYSV */
X  _UG = _SG;
X#endif  /* BSD */
X  _CD = tgetstr("cd", &cp);
X  _TI = tgetstr("ti", &cp);
X  _TE = tgetstr("te", &cp);
X  _KS = tgetstr("ks", &cp);
X  _KE = tgetstr("ke", &cp);
X  if((_ME = tgetstr("me", &cp)) == NULL)
X    _ME = tgetstr("se", &cp);
X  if((_MR = tgetstr("mr", &cp)) == NULL)
X    _MR = tgetstr("so", &cp);
X  if(_US = tgetstr("us", &cp)) {
X    if((_UE = tgetstr("ue", &cp)) && _ME && EQU(_ME, _UE))
X      _UE = NULL;
X  }
X  /* No more video attributes and no cursor visibility functions for   */
X  /* terminals with standout mode and/or underline glitch (i.e. bando) */
X  if(_UG <= 0 && _SG <= 0) {
X    _MB = tgetstr("mb", &cp);
X    _MD = tgetstr("md", &cp);
X    _MH = tgetstr("mh", &cp);
X    _VS = tgetstr("vs", &cp);
X    _VI = tgetstr("vi", &cp);
X    _VE = tgetstr("ve", &cp);
X  }
X  _IC = tgetstr("ic", &cp);
X  _DC = tgetstr("dc", &cp);
X  _AL = tgetstr("al", &cp);
X  _DL = tgetstr("dl", &cp);
X  _CS = tgetstr("cs", &cp);
X  _NL = tgetstr("nl", &cp);
X  _CR = tgetstr("cr", &cp);
X  _LE = tgetstr("le", &cp);
X  _DO = tgetstr("do", &cp);
X  _SF = tgetstr("sf", &cp);
X  _SR = tgetstr("sr", &cp);
X  _SC = tgetstr("sc", &cp);
X  _RC = tgetstr("rc", &cp);
X  _BL = tgetstr("bl", &cp);
X
X#ifdef  AIX
X  _AC = tgetstr("bx", &cp);     /* Use box1 (bx) instead of acsc (ac) */
X  if( !(_AS = tgetstr("as", &cp)))
X    _AS = tgetstr("f1", &cp);   /* 3.2: Use font1 (f1) instead of smacs (as) */
X  if( !(_AE = tgetstr("ae", &cp)))
X    _AE = tgetstr("f0", &cp);   /* 3.2: Use font0 (f0) instead of rmacs (ae) */
X#else   /* ACSC */
X  _EA = tgetstr("eA", &cp);
X  _AC = tgetstr("ac", &cp);
X  _AS = tgetstr("as", &cp);
X  _AE = tgetstr("ae", &cp);
X# ifdef  XENIX  /* RG 11/22/91 */
X  if(_AC == NULL) {
X    _AC = "";                   /* Use empty string _AC as flag */
X    _AS = tgetstr("GS", &cp);
X    _AE = tgetstr("GE", &cp);
X    _G2 = tgetstr("G2", &cp);
X    _GH = tgetstr("GH", &cp);
X    _G1 = tgetstr("G1", &cp);
X    _GV = tgetstr("GV", &cp);
X    _G4 = tgetstr("G4", &cp);
X    _G3 = tgetstr("G3", &cp);
X    _GD = tgetstr("GD", &cp);
X    _GL = tgetstr("GL", &cp);
X    _GU = tgetstr("GU", &cp);
X    _GR = tgetstr("GR", &cp);
X    _GC = tgetstr("GC", &cp);
X  }
X# endif /* XENIX */
X#endif  /* AIX */
X
X  if(_CS && !_SF) {
X    if(_DO)
X      _SF = _DO;
X    else if(_NL)
X      _SF = _NL;
X    else
X      _SF = "\n";
X  }
X  if(_VS && !_VE)
X    _VE = _VS;
X
X  /* Set capability flags */
X  glitchcap = _UG > 0 || _SG > 0;
X  scrollcap = (_AL && _DL) || (_CS && _SF && _SR);
X  cursorcap = 0;
X  if(_VE && _VI)
X    cursorcap |= CF_VISIBLE|CF_INVISIBLE;
X  if(_SC && _RC)
X    cursorcap |= CF_SAVE|CF_RESTORE;
X  videocap = 0;
X  if(_MR)
X    videocap |= VA_REVERSE;
X  if(_MB)
X    videocap |= VA_BLINK;
X  if(_MD)
X    videocap |= VA_BOLD;
X  if(_MH)
X    videocap |= VA_HALF;
X  if(_US)
X    videocap |= VA_UNDERLINE;
X
X  /* Initialize key bindings */
X  initbindings(term, &cp);
X
X  /* Get terminal driver data and initialize raw mode */
X  if(ioctl(fileno(stdin), TCGETA, &tty) < 0)
X    return("Error in ioctl");
X#ifdef  STRUCTCOPY
X  (void) STRUCTCOPY(tty, raw, sizeof(tty));
X#else   /* STRUCTASSIGN */
X  raw = tty;
X#endif  /* STRUCTCOPY */
X
X#ifdef BSD
X  ospeed = tty.sg_ospeed;
X  raw.sg_flags |= ANYP|RAW;
X  raw.sg_flags &= ~(ECHO|XTABS);
X#else   /* SYSV */
X  raw.c_cc[VMIN] = 1;
X  raw.c_cc[VTIME] = 0;
X  raw.c_iflag |= IGNBRK;
X  raw.c_iflag &= ~(ICRNL|ISTRIP);
X  raw.c_oflag |= ONLCR|TAB0;
X  raw.c_cflag |= CS8;
X  raw.c_cflag &= ~PARENB;
X  raw.c_lflag &= ~(ECHO|ICANON|ISIG);
X#endif  /* BSD */
X
X#if     !defined(BSD) && !defined(HASFIONREAD)
X  /* Get keyboard flag and set to no delay mode */
X  kbflag = fcntl(fileno(stdin), F_GETFL, 0) & O_NDELAY;
X#endif  /* !BSD && !HASFIONREAD */
X
X  return(NULL);
X
X} /* initscreen() */
X
X/* Restore screen and exit */
GLOBL VOID exitscreen(rval)
X  int rval;
X{
X  cursorset(CF_VISIBLE);
X  (void) cursorxy(0, lines-1);
X  terminalreset(1);
X  flushout();
X  exit(rval);
X
X} /* exitscreen() */
X
END_OF_FILE
if test 30770 -ne `wc -c <'src/term.c'`; then
    echo shar: \"'src/term.c'\" unpacked with wrong size!
fi
# end of 'src/term.c'
fi
echo shar: End of archive 6 \(of 8\).
cp /dev/null ark6isdone
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