Imported from /home/lorry/working-area/delta_libeditline-tarball/libedit-20130712-3.1.tar.gz.HEADlibedit-20130712-3.1masterbaserock/morph

5 files changed, 1696 insertions, 0 deletions

diff --git a/examples/Makefile.am b/examples/Makefile.am
new file mode 100644
index 0000000..a5c1950
--- /dev/null
+++ b/examples/Makefile.am
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index 0000000..31b47f7
--- /dev/null
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+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstPROGRAMS cscopelist-am ctags \
+	ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/examples/fileman.c b/examples/fileman.c
new file mode 100644
index 0000000..2d1a0d4
--- /dev/null
+++ b/examples/fileman.c
@@ -0,0 +1,496 @@
+/* fileman.c -- A tiny application which demonstrates how to use the
+   GNU Readline library.  This application interactively allows users
+   to manipulate files and their modes.
+
+   NOTE: this was taken from the GNU Readline documentation and ported
+   to libedit. A commad to output the history list was added.
+   
+   */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <locale.h>
+#include <time.h>
+
+/* GNU readline
+#include <readline/readline.h>
+#include <readline/history.h>
+*/
+#include <editline/readline.h>
+
+void * xmalloc (size_t size);
+void too_dangerous (char *caller);
+void initialize_readline ();
+int execute_line (char *line);
+int valid_argument (char *caller, char *arg);
+
+typedef int rl_icpfunc_t (char *);
+
+/* The names of functions that actually do the manipulation. */
+int com_list (char *);
+int com_view (char *);
+int com_history (char *);
+int com_rename(char *);
+int com_stat(char *);
+int com_pwd(char *);
+int com_delete(char *);
+int com_help(char *);
+int com_cd(char *);
+int com_quit(char *);
+
+/* A structure which contains information on the commands this program
+   can understand. */
+
+typedef struct {
+   char *name;                   /* User printable name of the function. */
+   rl_icpfunc_t *func;           /* Function to call to do the job. */
+   char *doc;                    /* Documentation for this function.  */
+} COMMAND;
+
+COMMAND commands[] = {
+   { "cd", com_cd, "Change to directory DIR" },
+   { "delete", com_delete, "Delete FILE" },
+   { "help", com_help, "Display this text" },
+   { "?", com_help, "Synonym for `help'" },
+   { "list", com_list, "List files in DIR" },
+   { "ls", com_list, "Synonym for `list'" },
+   { "pwd", com_pwd, "Print the current working directory" },
+   { "quit", com_quit, "Quit using Fileman" },
+   { "rename", com_rename, "Rename FILE to NEWNAME" },
+   { "stat", com_stat, "Print out statistics on FILE" },
+   { "view", com_view, "View the contents of FILE" },
+   { "history", com_history, "List editline history" },
+   { (char *)NULL, (rl_icpfunc_t *)NULL, (char *)NULL }
+};
+
+/* Forward declarations. */
+char *stripwhite ();
+COMMAND *find_command ();
+
+/* The name of this program, as taken from argv[0]. */
+char *progname;
+
+/* When non-zero, this means the user is done using this program. */
+int done;
+
+char *
+dupstr (char* s)
+{
+   char *r;
+
+   r = xmalloc (strlen (s) + 1);
+   strcpy (r, s);
+   return (r);
+}
+
+int
+main (int argc __attribute__((__unused__)), char **argv)
+{
+   char *line, *s;
+
+   progname = argv[0];
+
+   setlocale(LC_CTYPE, "");
+
+   initialize_readline();       /* Bind our completer. */
+
+   stifle_history(7);
+
+   /* Loop reading and executing lines until the user quits. */
+   for ( ; done == 0; )
+   {
+      line = readline ("FileMan: ");
+
+      if (!line)
+         break;
+
+      /* Remove leading and trailing whitespace from the line.
+         Then, if there is anything left, add it to the history list
+         and execute it. */
+      s = stripwhite(line);
+
+      if (*s) {
+
+         char* expansion;
+         int result;
+
+         result = history_expand(s, &expansion);
+
+         if (result < 0 || result == 2) {
+            fprintf(stderr, "%s\n", expansion);
+         } else {
+            add_history(expansion);
+            execute_line(expansion);
+         }
+         free(expansion);
+      }
+
+      free(line);
+   }
+   exit (0);
+
+   return 0;
+}
+
+/* Execute a command line. */
+int
+execute_line (char *line)
+{
+   register int i;
+   COMMAND *command;
+   char *word;
+
+   /* Isolate the command word. */
+   i = 0;
+   while (line[i] && isspace (line[i]))
+      i++;
+   word = line + i;
+
+   while (line[i] && !isspace (line[i]))
+      i++;
+
+   if (line[i])
+      line[i++] = '\0';
+
+   command = find_command (word);
+
+   if (!command)
+   {
+      fprintf (stderr, "%s: No such command for FileMan.\n", word);
+      return (-1);
+   }
+
+   /* Get argument to command, if any. */
+   while (isspace (line[i]))
+      i++;
+
+   word = line + i;
+
+   /* Call the function. */
+   return ((*(command->func)) (word));
+}
+
+/* Look up NAME as the name of a command, and return a pointer to that
+   command.  Return a NULL pointer if NAME isn't a command name. */
+COMMAND *
+find_command (char *name)
+{
+   register int i;
+
+   for (i = 0; commands[i].name; i++)
+      if (strcmp (name, commands[i].name) == 0)
+         return (&commands[i]);
+
+   return ((COMMAND *)NULL);
+}
+
+/* Strip whitespace from the start and end of STRING.  Return a pointer
+   into STRING. */
+char *
+stripwhite (char *string)
+{
+   register char *s, *t;
+
+   for (s = string; isspace (*s); s++)
+      ;
+
+   if (*s == 0)
+      return (s);
+
+   t = s + strlen (s) - 1;
+   while (t > s && isspace (*t))
+      t--;
+   *++t = '\0';
+
+   return s;
+}
+
+/* **************************************************************** */
+/*                                                                  */
+/*                  Interface to Readline Completion                */
+/*                                                                  */
+/* **************************************************************** */
+
+char *command_generator(const char *, int);
+char **fileman_completion(const char *, int, int);
+
+/* Tell the GNU Readline library how to complete.  We want to try to
+   complete on command names if this is the first word in the line, or
+   on filenames if not. */
+void
+initialize_readline ()
+{
+   /* Allow conditional parsing of the ~/.inputrc file. */
+   rl_readline_name = "FileMan";
+
+   /* Tell the completer that we want a crack first. */
+   rl_attempted_completion_function = fileman_completion;
+}
+
+/* Attempt to complete on the contents of TEXT.  START and END
+   bound the region of rl_line_buffer that contains the word to
+   complete.  TEXT is the word to complete.  We can use the entire
+   contents of rl_line_buffer in case we want to do some simple
+   parsing.  Returnthe array of matches, or NULL if there aren't any. */
+char **
+fileman_completion (const char* text, int start, int end __attribute__((__unused__)))
+{
+   char **matches;
+
+   matches = (char **)NULL;
+
+   /* If this word is at the start of the line, then it is a command
+      to complete.  Otherwise it is the name of a file in the current
+      directory. */
+   if (start == 0)
+      /* TODO */
+      matches = completion_matches (text, command_generator);
+      /* matches = rl_completion_matches (text, command_generator); */
+
+   return (matches);
+}
+
+/* Generator function for command completion.  STATE lets us
+   know whether to start from scratch; without any state
+   (i.e. STATE == 0), then we start at the top of the list. */
+char *
+command_generator (text, state)
+   const char *text;
+   int state;
+{
+   static int list_index, len;
+   char *name;
+
+   /* If this is a new word to complete, initialize now.  This
+      includes saving the length of TEXT for efficiency, and
+      initializing the index variable to 0. */
+   if (!state)
+   {
+      list_index = 0;
+      len = strlen (text);
+   }
+
+   /* Return the next name which partially matches from the
+      command list. */
+   while ((name = commands[list_index].name))
+   {
+      list_index++;
+
+      if (strncmp (name, text, len) == 0)
+         return (dupstr(name));
+   }
+
+   /* If no names matched, then return NULL. */
+   return ((char *)NULL);
+}
+
+/* **************************************************************** */
+/*                                                                  */
+/*                       FileMan Commands                           */
+/*                                                                  */
+/* **************************************************************** */
+
+/* String to pass to system ().  This is for the LIST, VIEW and RENAME
+   commands. */
+static char syscom[1024];
+
+/* List the file(s) named in arg. */
+int
+com_list (char *arg)
+{
+   if (!arg)
+      arg = "";
+
+   sprintf (syscom, "ls -FClg %s", arg);
+   return (system (syscom));
+}
+
+int
+com_view (char *arg)
+{
+   if (!valid_argument ("view", arg))
+      return 1;
+
+   sprintf (syscom, "more %s", arg);
+   return (system (syscom));
+}
+
+int
+com_history(char* arg __attribute__((__unused__)))
+{
+   HIST_ENTRY *he;
+
+   /* rewind history */
+   while (next_history())
+      ;
+
+   for (he = current_history(); he != NULL; he = previous_history()) {
+      //printf("%5d  %s\n", *((int*)he->data) - 1, he->line);
+      printf("%s\n", he->line);
+   }
+
+   return 0;
+}
+
+int
+com_rename (char *arg __attribute__((__unused__)))
+{
+   too_dangerous ("rename");
+   return (1);
+}
+
+int
+com_stat (char *arg)
+{
+   struct stat finfo;
+
+   if (!valid_argument ("stat", arg))
+      return (1);
+
+   if (stat (arg, &finfo) == -1)
+   {
+      perror (arg);
+      return (1);
+   }
+
+   printf ("Statistics for `%s':\n", arg);
+
+   printf ("%s has %ld link%s, and is %lld byte%s in length.\n", arg,
+         (long) finfo.st_nlink,
+         (finfo.st_nlink == 1) ? "" : "s",
+         (long long) finfo.st_size,
+         (finfo.st_size == 1) ? "" : "s");
+   printf ("Inode Last Change at: %s", ctime (&finfo.st_ctime));
+   printf ("      Last access at: %s", ctime (&finfo.st_atime));
+   printf ("    Last modified at: %s", ctime (&finfo.st_mtime));
+   return (0);
+}
+
+int
+com_delete (char *arg __attribute__((__unused__)))
+{
+   too_dangerous ("delete");
+   return (1);
+}
+
+/* Print out help for ARG, or for all of the commands if ARG is
+   not present. */
+int
+com_help (char *arg)
+{
+   register int i;
+   int printed = 0;
+
+   for (i = 0; commands[i].name; i++)
+   {
+      if (!*arg || (strcmp (arg, commands[i].name) == 0))
+      {
+         printf ("%s\t\t%s.\n", commands[i].name, commands[i].doc);
+         printed++;
+      }
+   }
+
+   if (!printed)
+   {
+      printf ("No commands match `%s'.  Possibilties are:\n", arg);
+
+      for (i = 0; commands[i].name; i++)
+      {
+         /* Print in six columns. */
+         if (printed == 6)
+         {
+            printed = 0;
+            printf ("\n");
+         }
+
+         printf ("%s\t", commands[i].name);
+         printed++;
+      }
+
+      if (printed)
+         printf ("\n");
+   }
+   return (0);
+}
+
+/* Change to the directory ARG. */
+int
+com_cd (char *arg)
+{
+   if (chdir (arg) == -1)
+   {
+      perror (arg);
+      return 1;
+   }
+
+   com_pwd ("");
+   return (0);
+}
+
+/* Print out the current working directory. */
+int
+com_pwd (char* ignore __attribute__((__unused__)))
+{
+   char dir[1024], *s;
+
+   s = (char*)getcwd(dir, sizeof(dir) - 1);
+   if (s == 0)
+   {
+      printf ("Error getting pwd: %s\n", dir);
+      return 1;
+   }
+
+   printf ("Current directory is %s\n", dir);
+   return 0;
+}
+
+/* The user wishes to quit using this program.  Just set DONE
+   non-zero. */
+int 
+com_quit (char *arg __attribute__((__unused__)))
+{
+   done = 1;
+   return (0);
+}
+
+/* Function which tells you that you can't do this. */
+void
+too_dangerous (char *caller)
+{
+   fprintf (stderr,
+         "%s: Too dangerous for me to distribute.\n",
+         caller);
+   fprintf (stderr, "Write it yourself.\n");
+}
+
+/* Return non-zero if ARG is a valid argument for CALLER,
+   else print an error message and return zero. */
+int
+valid_argument (char *caller, char *arg)
+{
+   if (!arg || !*arg)
+   {
+      fprintf (stderr, "%s: Argument required.\n", caller);
+      return (0);
+   }
+
+   return (1);
+}
+
+void *
+xmalloc (size_t size)
+{
+   register void *value = (void*)malloc(size);
+   if (value == 0)
+      fprintf(stderr, "virtual memory exhausted");
+   return value;
+}
+
+
diff --git a/examples/tc1.c b/examples/tc1.c
new file mode 100644
index 0000000..086dc3e
--- /dev/null
+++ b/examples/tc1.c
@@ -0,0 +1,309 @@
+/*	$NetBSD: tc1.c,v 1.5 2010/04/18 21:17:47 christos Exp $	*/
+
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Christos Zoulas of Cornell University.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "config.h"
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1992, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n");
+#endif /* not lint */
+
+#if !defined(lint) && !defined(SCCSID)
+#if 0
+static char sccsid[] = "@(#)test.c	8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: tc1.c,v 1.5 2010/04/18 21:17:47 christos Exp $");
+#endif
+#endif /* not lint && not SCCSID */
+
+/* from src/sys/sys/cdefs.h */
+#ifndef __UNCONST
+# define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
+#endif
+
+/*
+ * test.c: A little test program
+ */
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <locale.h>
+
+#include "histedit.h"
+
+static int continuation = 0;
+volatile sig_atomic_t gotsig = 0;
+
+static	unsigned char	complete(EditLine *, int);
+	int	main(int, char **);
+static	char   *prompt(EditLine *);
+static	void	sig(int);
+
+static char *
+prompt(EditLine *el __attribute__((__unused__)))
+{
+	static char a[] = "\1\033[7m\1Edit$\1\033[0m\1 ";
+	static char b[] = "Edit> ";
+
+	return (continuation ? b : a);
+}
+
+static void
+sig(int i)
+{
+	gotsig = i;
+}
+
+static unsigned char
+complete(EditLine *el, int ch __attribute__((__unused__)))
+{
+	DIR *dd = opendir(".");
+	struct dirent *dp;
+	const char* ptr;
+	const LineInfo *lf = el_line(el);
+	size_t len;
+	int res = CC_ERROR;
+
+	/*
+	 * Find the last word
+	 */
+	for (ptr = lf->cursor - 1;
+	    !isspace((unsigned char)*ptr) && ptr > lf->buffer; ptr--)
+		continue;
+	len = lf->cursor - ++ptr;
+
+	for (dp = readdir(dd); dp != NULL; dp = readdir(dd)) {
+		if (len > strlen(dp->d_name))
+			continue;
+		if (strncmp(dp->d_name, ptr, len) == 0) {
+			if (el_insertstr(el, &dp->d_name[len]) == -1)
+				res = CC_ERROR;
+			else
+				res = CC_REFRESH;
+			break;
+		}
+	}
+
+	closedir(dd);
+	return res;
+}
+
+int
+main(int argc __attribute__((__unused__)), char *argv[])
+{
+	EditLine *el = NULL;
+	int num;
+	const char *buf;
+	Tokenizer *tok;
+#if 0
+	int lastevent = 0;
+#endif
+	int ncontinuation;
+	History *hist;
+	HistEvent ev;
+
+	(void) setlocale(LC_CTYPE, "");
+	(void) signal(SIGINT, sig);
+	(void) signal(SIGQUIT, sig);
+	(void) signal(SIGHUP, sig);
+	(void) signal(SIGTERM, sig);
+
+	hist = history_init();		/* Init the builtin history	*/
+					/* Remember 100 events		*/
+	history(hist, &ev, H_SETSIZE, 100);
+
+	tok  = tok_init(NULL);		/* Initialize the tokenizer	*/
+
+					/* Initialize editline		*/
+	el = el_init(*argv, stdin, stdout, stderr);
+
+	el_set(el, EL_EDITOR, "vi");	/* Default editor is vi		*/
+	el_set(el, EL_SIGNAL, 1);	/* Handle signals gracefully	*/
+	el_set(el, EL_PROMPT_ESC, prompt, '\1');/* Set the prompt function */
+
+			/* Tell editline to use this history interface	*/
+	el_set(el, EL_HIST, history, hist);
+
+					/* Add a user-defined function	*/
+	el_set(el, EL_ADDFN, "ed-complete", "Complete argument", complete);
+
+					/* Bind tab to it 		*/
+	el_set(el, EL_BIND, "^I", "ed-complete", NULL);
+
+	/*
+	 * Bind j, k in vi command mode to previous and next line, instead
+	 * of previous and next history.
+	 */
+	el_set(el, EL_BIND, "-a", "k", "ed-prev-line", NULL);
+	el_set(el, EL_BIND, "-a", "j", "ed-next-line", NULL);
+
+	/*
+	 * Source the user's defaults file.
+	 */
+	el_source(el, NULL);
+
+	while ((buf = el_gets(el, &num)) != NULL && num != 0)  {
+		int ac, cc, co;
+#ifdef DEBUG
+		int i;
+#endif
+		const char **av;
+		const LineInfo *li;
+		li = el_line(el);
+#ifdef DEBUG
+		(void) fprintf(stderr, "==> got %d %s", num, buf);
+		(void) fprintf(stderr, "  > li `%.*s_%.*s'\n",
+		    (li->cursor - li->buffer), li->buffer,
+		    (li->lastchar - 1 - li->cursor),
+		    (li->cursor >= li->lastchar) ? "" : li->cursor);
+
+#endif
+		if (gotsig) {
+			(void) fprintf(stderr, "Got signal %d.\n", gotsig);
+			gotsig = 0;
+			el_reset(el);
+		}
+
+		if (!continuation && num == 1)
+			continue;
+
+		ac = cc = co = 0;
+		ncontinuation = tok_line(tok, li, &ac, &av, &cc, &co);
+		if (ncontinuation < 0) {
+			(void) fprintf(stderr, "Internal error\n");
+			continuation = 0;
+			continue;
+		}
+#ifdef DEBUG
+		(void) fprintf(stderr, "  > nc %d ac %d cc %d co %d\n",
+		    ncontinuation, ac, cc, co);
+#endif
+#if 0
+		if (continuation) {
+			/*
+			 * Append to the right event in case the user
+			 * moved around in history.
+			 */
+			if (history(hist, &ev, H_SET, lastevent) == -1)
+				err(1, "%d: %s", lastevent, ev.str);
+			history(hist, &ev, H_ADD , buf);
+		} else {
+			history(hist, &ev, H_ENTER, buf);
+			lastevent = ev.num;
+		}
+#else
+				/* Simpler */
+		history(hist, &ev, continuation ? H_APPEND : H_ENTER, buf);
+#endif
+
+		continuation = ncontinuation;
+		ncontinuation = 0;
+		if (continuation)
+			continue;
+#ifdef DEBUG
+		for (i = 0; i < ac; i++) {
+			(void) fprintf(stderr, "  > arg# %2d ", i);
+			if (i != cc)
+				(void) fprintf(stderr, "`%s'\n", av[i]);
+			else
+				(void) fprintf(stderr, "`%.*s_%s'\n",
+				    co, av[i], av[i] + co);
+		}
+#endif
+
+		if (strcmp(av[0], "history") == 0) {
+			int rv;
+
+			switch (ac) {
+			case 1:
+				for (rv = history(hist, &ev, H_LAST); rv != -1;
+				    rv = history(hist, &ev, H_PREV))
+					(void) fprintf(stdout, "%4d %s",
+					    ev.num, ev.str);
+				break;
+
+			case 2:
+				if (strcmp(av[1], "clear") == 0)
+					 history(hist, &ev, H_CLEAR);
+				else
+					 goto badhist;
+				break;
+
+			case 3:
+				if (strcmp(av[1], "load") == 0)
+					 history(hist, &ev, H_LOAD, av[2]);
+				else if (strcmp(av[1], "save") == 0)
+					 history(hist, &ev, H_SAVE, av[2]);
+				break;
+
+			badhist:
+			default:
+				(void) fprintf(stderr,
+				    "Bad history arguments\n");
+				break;
+			}
+		} else if (el_parse(el, ac, av) == -1) {
+			switch (fork()) {
+			case 0:
+				execvp(av[0], (char *const *)__UNCONST(av));
+				perror(av[0]);
+				_exit(1);
+				/*NOTREACHED*/
+				break;
+
+			case -1:
+				perror("fork");
+				break;
+
+			default:
+				if (wait(&num) == -1)
+					perror("wait");
+				(void) fprintf(stderr, "Exit %x\n", num);
+				break;
+			}
+		}
+
+		tok_reset(tok);
+	}
+
+	el_end(el);
+	tok_end(tok);
+	history_end(hist);
+
+	return (0);
+}
diff --git a/examples/wtc1.c b/examples/wtc1.c
new file mode 100644
index 0000000..28372a8
--- /dev/null
+++ b/examples/wtc1.c
@@ -0,0 +1,278 @@
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <err.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <limits.h>
+#include <locale.h>
+
+#include <histedit.h>
+
+
+static int continuation;
+volatile sig_atomic_t gotsig;
+static const char hfile[] = ".whistory";
+
+static wchar_t *
+prompt(EditLine *el)
+{
+	static wchar_t a[] = L"\1\033[7m\1Edit$\1\033[0m\1 ";
+	static wchar_t b[] = L"Edit> ";
+
+	return continuation ? b : a;
+}
+
+
+static void
+sig(int i)
+{
+	gotsig = i;
+}
+
+const char *
+my_wcstombs(const wchar_t *wstr)
+{
+	static struct {
+		char *str;
+		int len;
+	} buf;
+
+	int needed = wcstombs(0, wstr, 0) + 1;
+	if (needed > buf.len) {
+		buf.str = malloc(needed);
+		buf.len = needed;
+	}
+	wcstombs(buf.str, wstr, needed);
+	buf.str[needed - 1] = 0;
+
+	return buf.str;
+}
+
+
+static unsigned char
+complete(EditLine *el, int ch)
+{
+	DIR *dd = opendir(".");
+	struct dirent *dp;
+	const wchar_t *ptr;
+	char *buf, *bptr;
+	const LineInfoW *lf = el_wline(el);
+	int len, mblen, i;
+	unsigned char res = 0;
+	wchar_t dir[1024];
+
+	/* Find the last word */
+	for (ptr = lf->cursor -1; !iswspace(*ptr) && ptr > lf->buffer; --ptr)
+		continue;
+	len = lf->cursor - ++ptr;
+
+	/* Convert last word to multibyte encoding, so we can compare to it */
+	wctomb(NULL, 0); /* Reset shift state */
+	mblen = MB_LEN_MAX * len + 1;
+	buf = bptr = malloc(mblen);
+	if (buf == NULL)
+		err(1, "malloc");
+	for (i = 0; i < len; ++i) {
+		/* Note: really should test for -1 return from wctomb */
+		bptr += wctomb(bptr, ptr[i]);
+	}
+	*bptr = 0; /* Terminate multibyte string */
+	mblen = bptr - buf;
+
+	/* Scan directory for matching name */
+	for (dp = readdir(dd); dp != NULL; dp = readdir(dd)) {
+		if (mblen > strlen(dp->d_name))
+			continue;
+		if (strncmp(dp->d_name, buf, mblen) == 0) {
+			mbstowcs(dir, &dp->d_name[mblen],
+			    sizeof(dir) / sizeof(*dir));
+			if (el_winsertstr(el, dir) == -1)
+				res = CC_ERROR;
+			else
+				res = CC_REFRESH;
+			break;
+		}
+	}
+
+	closedir(dd);
+	free(buf);
+	return res;
+}
+
+
+int
+main(int argc, char *argv[])
+{
+	EditLine *el = NULL;
+	int numc, ncontinuation;
+	const wchar_t *line;
+	TokenizerW *tok;
+	HistoryW *hist;
+	HistEventW ev;
+#ifdef DEBUG
+	int i;
+#endif
+
+	setlocale(LC_ALL, "");
+
+	(void)signal(SIGINT,  sig);
+	(void)signal(SIGQUIT, sig);
+	(void)signal(SIGHUP,  sig);
+	(void)signal(SIGTERM, sig);
+
+	hist = history_winit();		/* Init built-in history     */
+	history_w(hist, &ev, H_SETSIZE, 100);	/* Remember 100 events	     */
+	history_w(hist, &ev, H_LOAD, hfile);
+
+	tok = tok_winit(NULL);			/* Init the tokenizer	     */
+
+	el = el_init(argv[0], stdin, stdout, stderr);
+
+	el_wset(el, EL_EDITOR, L"vi");		/* Default editor is vi	     */
+	el_wset(el, EL_SIGNAL, 1);		/* Handle signals gracefully */
+	el_wset(el, EL_PROMPT_ESC, prompt, '\1'); /* Set the prompt function */
+
+	el_wset(el, EL_HIST, history_w, hist);	/* FIXME - history_w? */
+
+					/* Add a user-defined function	*/
+	el_wset(el, EL_ADDFN, L"ed-complete", L"Complete argument", complete);
+
+					/* Bind <tab> to it */
+	el_wset(el, EL_BIND, L"^I", L"ed-complete", NULL);
+
+	/*
+	* Bind j, k in vi command mode to previous and next line, instead
+	* of previous and next history.
+	*/
+	el_wset(el, EL_BIND, L"-a", L"k", L"ed-prev-line", NULL);
+	el_wset(el, EL_BIND, L"-a", L"j", L"ed-next-line", NULL);
+
+	/* Source the user's defaults file. */
+	el_source(el, NULL);
+
+	while((line = el_wgets(el, &numc)) != NULL && numc != 0) {
+		int ac, cc, co, rc;
+		const wchar_t **av;
+
+		const LineInfoW *li;
+		li = el_wline(el);
+
+#ifdef DEBUG
+		(void)fwprintf(stderr, L"==> got %d %ls", numc, line);
+		(void)fwprintf(stderr, L"  > li `%.*ls_%.*ls'\n",
+		    (li->cursor - li->buffer), li->buffer,
+		    (li->lastchar - 1 - li->cursor),
+		    (li->cursor >= li->lastchar) ? L"" : li->cursor);
+#endif
+
+		if (gotsig) {
+			(void)fprintf(stderr, "Got signal %d.\n", gotsig);
+			gotsig = 0;
+			el_reset(el);
+		}
+
+		if(!continuation && numc == 1)
+			continue;	/* Only got a linefeed */
+
+		ac = cc = co = 0;
+		ncontinuation = tok_wline(tok, li, &ac, &av, &cc, &co);
+		if (ncontinuation < 0) {
+			(void) fprintf(stderr, "Internal error\n");
+			continuation = 0;
+			continue;
+		}
+
+#ifdef DEBUG
+		(void)fprintf(stderr, "  > nc %d ac %d cc %d co %d\n",
+			ncontinuation, ac, cc, co);
+#endif
+		history_w(hist, &ev, continuation ? H_APPEND : H_ENTER, line);
+
+		continuation = ncontinuation;
+		ncontinuation = 0;
+		if(continuation)
+			continue;
+
+#ifdef DEBUG
+		for (i = 0; i < ac; ++i) {
+			(void)fwprintf(stderr, L"  > arg# %2d ", i);
+			if (i != cc)
+				(void)fwprintf(stderr, L"`%ls'\n", av[i]);
+			else
+				(void)fwprintf(stderr, L"`%.*ls_%ls'\n",
+				    co, av[i], av[i] + co);
+		}
+#endif
+
+		if (wcscmp (av[0], L"history") == 0) {
+			switch(ac) {
+			case 1:
+				for(rc = history_w(hist, &ev, H_LAST);
+				     rc != -1;
+				     rc = history_w(hist, &ev, H_PREV))
+					(void)fwprintf(stdout, L"%4d %ls",
+					     ev.num, ev.str);
+				break;
+			case 2:
+				if (wcscmp(av[1], L"clear") == 0)
+					history_w(hist, &ev, H_CLEAR);
+				else
+					goto badhist;
+				break;
+			case 3:
+				if (wcscmp(av[1], L"load") == 0)
+					history_w(hist, &ev, H_LOAD,
+					    my_wcstombs(av[2]));
+				else if (wcscmp(av[1], L"save") == 0)
+					history_w(hist, &ev, H_SAVE,
+					    my_wcstombs(av[2]));
+				else
+					goto badhist;
+				break;
+			badhist:
+			default:
+				(void)fprintf(stderr,
+				    "Bad history arguments\n");
+				break;
+			}
+		} else if (el_wparse(el, ac, av) == -1) {
+			switch (fork()) {
+			case 0: {
+				Tokenizer *ntok = tok_init(NULL);
+				int nargc;
+				const char **nav;
+				tok_str(ntok, my_wcstombs(line), &nargc, &nav);
+				execvp(nav[0],(char **)nav);
+				perror(nav[0]);
+				_exit(1);
+				/* NOTREACHED */
+				break;
+			}
+			case -1:
+				perror("fork");
+				break;
+			default:
+				if (wait(&rc) == -1)
+					perror("wait");
+				(void)fprintf(stderr, "Exit %x\n", rc);
+				break;
+			}
+		}
+
+		tok_wreset(tok);
+	}
+
+	el_end(el);
+	tok_wend(tok);
+	history_w(hist, &ev, H_SAVE, hfile);
+	history_wend(hist);
+
+	fprintf(stdout, "\n");
+	return 0;
+}
+
+