changes for readline/libedit configuration

acconfig.h

@@ -318,6 +318,22 @@
 /* READLINE: */
 #undef VOID_SIGHANDLER
 
+/* used libedit interface (can we dereference result of rl_completion_entry_function?) */
+#undef USE_LIBEDIT_INTERFACE
+
+/* used new readline interface (does rl_completion_func_t and rl_compentry_func_t defined?) */
+#undef USE_NEW_READLINE_INTERFACE
+
+/* macro for libedit */
+#undef HAVE_VIS_H
+#undef HAVE_FGETLN
+#undef HAVE_ISSETUGID
+#undef HAVE_STRLCPY
+#undef HAVE_GETLINE
+#undef HAVE_FLOCKFILE
+#undef HAVE_SYS_TYPES_H
+#undef HAVE_SYS_CDEFS_H
+
 
 /* Leave that blank line there!!  Autoheader needs it.
    If you're adding to this file, keep in mind:

acinclude.m4

 # Local macros for automake & autoconf
 
+AC_DEFUN(MYSQL_CHECK_LIBEDIT_INTERFACE,[
+    AC_CACHE_CHECK([libedit variant of rl_completion_entry_function], mysql_cv_libedit_interface,
+	AC_TRY_COMPILE(
+	    [
+		#include "stdio.h"
+		#include "readline/readline.h"
+	    ],
+	    [ 
+		char res= *(*rl_completion_entry_function)(0,0);
+		completion_matches(0,0);
+	    ],
+	    [
+		mysql_cv_libedit_interface=yes
+		AC_DEFINE_UNQUOTED(USE_LIBEDIT_INTERFACE)
+	    ],
+	    [mysql_cv_libedit_interface=no]
+        )
+    )
+])
+
+AC_DEFUN(MYSQL_CHECK_NEW_RL_INTERFACE,[
+    AC_CACHE_CHECK([defined rl_compentry_func_t and rl_completion_func_t], mysql_cv_new_rl_interface,
+	AC_TRY_COMPILE(
+	    [
+		#include "stdio.h"
+		#include "readline/readline.h"
+	    ],
+	    [ 
+		rl_completion_func_t *func1= (rl_completion_func_t*)0;
+		rl_compentry_func_t *func2= (rl_compentry_func_t*)0;
+	    ],
+	    [
+		mysql_cv_new_rl_interface=yes
+		AC_DEFINE_UNQUOTED(USE_NEW_READLINE_INTERFACE)
+	    ],
+	    [mysql_cv_new_rl_interface=no]
+        )
+    )
+])
+
 # A local version of AC_CHECK_SIZEOF that includes sys/types.h
 dnl MYSQL_CHECK_SIZEOF(TYPE [, CROSS-SIZE])
 AC_DEFUN(MYSQL_CHECK_SIZEOF,

client/mysql.cc

@@ -80,6 +80,8 @@ extern "C" {
 #if defined( __WIN__) || defined(OS2)
 #include <conio.h>
 #else
+// readline 4.2 has own __P
+#undef __P
 #include <readline/readline.h>
 #define HAVE_READLINE
 #endif
@@ -273,9 +275,9 @@ static const char *server_default_groups[]=
 { "server", "embedded", "mysql_SERVER", 0 };
 
 #ifdef HAVE_READLINE
-extern "C" void add_history(char *command); /* From readline directory */
-extern "C" int read_history(char *command);
-extern "C" int write_history(char *command);
+extern "C" int add_history(const char *command); /* From readline directory */
+extern "C" int read_history(const char *command);
+extern "C" int write_history(const char *command);
 static void initialize_readline (char *name);
 #endif
 
@@ -1081,8 +1083,11 @@ static char **new_mysql_completion (const char *text, int start, int end);
   if not.
 */
 
-char *no_completion (const char *text __attribute__ ((unused)),
-		      int )
+#if defined(USE_NEW_READLINE_INTERFACE) || defined(USE_LIBEDIT_INTERFACE)
+char *no_completion(const char*,int)
+#else
+int no_completion()
+#endif
 {
   return 0;					/* No filename completion */
 }
@@ -1093,12 +1098,15 @@ static void initialize_readline (char *name)
   rl_readline_name = name;
 
   /* Tell the completer that we want a crack first. */
-#if RL_READLINE_VERSION > 0x0400
-  rl_attempted_completion_function = &new_mysql_completion;
-  rl_completion_entry_function= &no_completion;
+#if defined(USE_NEW_READLINE_INTERFACE)
+  rl_attempted_completion_function= (rl_completion_func_t*)&new_mysql_completion;
+  rl_completion_entry_function= (rl_compentry_func_t*)&no_completion;
+#elif defined(USE_LIBEDIT_INTERFACE)
+  rl_attempted_completion_function= (CPPFunction*)&new_mysql_completion;
+  rl_completion_entry_function= (CPFunction*)&no_completion;
 #else
-  rl_attempted_completion_function =(CPPFunction *)new_mysql_completion;
-  rl_completion_entry_function= (Function *)no_completion;
+  rl_attempted_completion_function= (CPPFunction*)&new_mysql_completion;
+  rl_completion_entry_function= (Function*)&no_completion;
 #endif
 }
 
@@ -1114,7 +1122,7 @@ static char **new_mysql_completion (const char *text,
 				    int end __attribute__((unused)))
 {
   if (!status.batch && !quick)
-#if RL_READLINE_VERSION > 0x0400
+#if defined(USE_NEW_READLINE_INTERFACE)
     return rl_completion_matches(text, new_command_generator);
 #else
     return completion_matches((char *)text, (CPFunction *)new_command_generator);

cmd-line-utils/libedit/Makefile.am

+## Process this file with automake to create Makefile.in
+# Makefile for the GNU readline library.
+# Copyright (C) 1994,1996,1997 Free Software Foundation, Inc.
+
+ASRC=vi.c emacs.c common.c
+AHDR=vi.h emacs.h common.h
+
+INCLUDES =		-I$(top_srcdir)/include -I$(srcdir)/../.. -I..
+
+noinst_LIBRARIES =	liblibedit.a
+
+liblibedit_a_SOURCES =	chared.c el.c fgetln.c history.c map.c \
+			prompt.c readline.c search.c \
+			strlcpy.c tokenizer.c vi.c common.c \
+			emacs.c hist.c key.c parse.c read.c \
+			refresh.c sig.c term.c tty.c help.c \
+			fcns.c
+
+pkginclude_HEADERS =	readline/readline.h
+
+noinst_HEADERS =	chared.h el.h histedit.h key.h \
+			parse.h refresh.h sig.h sys.h \
+			tokenizer.h compat.h fgetln.h \
+			hist.h map.h prompt.h search.h \
+			strlcpy.h term.h tty.h
+
+DEFS =			-DUNDEF_THREADS_HACK -DHAVE_CONFIG_H -DNO_KILL_INTR
+
+vi.h: vi.c makelist
+	sh ./makelist -h ./vi.c > $@.tmp && \
+	mv $@.tmp $@
+
+emacs.h: emacs.c makelist
+	sh ./makelist -h ./emacs.c > $@.tmp && \
+	mv $@.tmp $@
+
+common.h: common.c makelist
+	sh ./makelist -h ./common.c > $@.tmp && \
+	mv $@.tmp $@
+
+help.c: ${ASRC} makelist
+	sh ./makelist -bc ${ASRC} > $@.tmp && \
+	mv $@.tmp $@
+
+help.h: ${ASRC} makelist
+	sh ./makelist -bh ${ASRC} > $@.tmp && \
+	mv $@.tmp $@
+
+fcns.h: ${AHDR} makelist
+	sh ./makelist -fh ${AHDR} > $@.tmp && \
+	mv $@.tmp $@
+
+fcns.c: ${AHDR} fcns.h makelist
+	sh ./makelist -fc ${AHDR} > $@.tmp && \
+	mv $@.tmp $@
+
+#%.o: vi.h emacs.h common.h help.h fcns.h
+#objects := $(patsubst %.c,%.o,$(wildcard *.c))
+#$(objects):  vi.h emacs.h
+
+chared.o: vi.h emacs.h common.h help.h fcns.h
+el.o: vi.h emacs.h common.h help.h fcns.h
+fgetln.o: vi.h emacs.h common.h help.h fcns.h
+history.o: vi.h emacs.h common.h help.h fcns.h 
+map.o: vi.h emacs.h common.h help.h fcns.h
+prompt.o: vi.h emacs.h common.h help.h fcns.h
+readline.o: vi.h emacs.h common.h help.h fcns.h
+search.o: vi.h emacs.h common.h help.h fcns.h
+strlcpy.o: vi.h emacs.h common.h help.h fcns.h
+tokenizer.o: vi.h emacs.h common.h help.h fcns.h
+vi.o: vi.h emacs.h common.h help.h fcns.h
+common.o: vi.h emacs.h common.h help.h fcns.h
+emacs.o: vi.h emacs.h common.h help.h fcns.h 
+hist.o: vi.h emacs.h common.h help.h fcns.h 
+key.o: vi.h emacs.h common.h help.h fcns.h 
+parse.o: vi.h emacs.h common.h help.h fcns.h
+read.o: vi.h emacs.h common.h help.h fcns.h
+refresh.o: vi.h emacs.h common.h help.h fcns.h
+sig.o: vi.h emacs.h common.h help.h fcns.h
+term.o: vi.h emacs.h common.h help.h fcns.h
+tty.o: vi.h emacs.h common.h help.h fcns.h 
+help.o: vi.h emacs.h common.h help.h fcns.h
+fcns.o: vi.h emacs.h common.h help.h fcns.h
+
+# Don't update the files from bitkeeper
+%::SCCS/s.%

cmd-line-utils/libedit/TEST/test.c

+/*	$NetBSD: test.c,v 1.9 2000/09/04 23:36:41 lukem 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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 <sys/cdefs.h>
+#include "compat.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: test.c,v 1.9 2000/09/04 23:36:41 lukem Exp $");
+#endif
+#endif /* not lint && not SCCSID */
+
+/*
+ * test.c: A little test program
+ */
+#include "sys.h"
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <dirent.h>
+
+#include "histedit.h"
+#include "tokenizer.h"
+
+static int continuation = 0;
+static EditLine *el = NULL;
+
+static	u_char	complete(EditLine *, int);
+	int	main(int, char **);
+static	char   *prompt(EditLine *);
+static	void	sig(int);
+
+static char *
+prompt(EditLine *el)
+{
+	static char a[] = "Edit$";
+	static char b[] = "Edit>";
+
+	return (continuation ? b : a);
+}
+
+static void
+sig(int i)
+{
+
+	(void) fprintf(stderr, "Got signal %d.\n", i);
+	el_reset(el);
+}
+
+static unsigned char
+complete(EditLine *el, int ch)
+{
+	DIR *dd = opendir(".");
+	struct dirent *dp;
+	const char* ptr;
+	const LineInfo *lf = el_line(el);
+	int len;
+
+	/*
+	 * Find the last word
+	 */
+	for (ptr = lf->cursor - 1; !isspace(*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) {
+			closedir(dd);
+			if (el_insertstr(el, &dp->d_name[len]) == -1)
+				return (CC_ERROR);
+			else
+				return (CC_REFRESH);
+		}
+	}
+
+	closedir(dd);
+	return (CC_ERROR);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int num;
+	const char *buf;
+	Tokenizer *tok;
+	int lastevent = 0, ncontinuation;
+	History *hist;
+	HistEvent ev;
+
+	(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, prompt);	/* 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;
+		char **av;
+#ifdef DEBUG
+		(void) fprintf(stderr, "got %d %s", num, buf);
+#endif
+		if (!continuation && num == 1)
+			continue;
+
+		if (tok_line(tok, buf, &ac, &av) > 0)
+			ncontinuation = 1;
+
+#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\n", 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 (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], 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);
+}

cmd-line-utils/libedit/chared.h

+/*	$NetBSD: chared.h,v 1.6 2001/01/10 07:45:41 jdolecek 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ *	@(#)chared.h	8.1 (Berkeley) 6/4/93
+ */
+
+/*
+ * el.chared.h: Character editor interface
+ */
+#ifndef _h_el_chared
+#define	_h_el_chared
+
+#include <ctype.h>
+#include <string.h>
+
+#include "histedit.h"
+
+#define	EL_MAXMACRO	10
+
+/*
+ * This is a issue of basic "vi" look-and-feel. Defining VI_MOVE works
+ * like real vi: i.e. the transition from command<->insert modes moves
+ * the cursor.
+ *
+ * On the other hand we really don't want to move the cursor, because
+ * all the editing commands don't include the character under the cursor.
+ * Probably the best fix is to make all the editing commands aware of
+ * this fact.
+ */
+#define	VI_MOVE
+
+
+typedef struct c_macro_t {
+	int	  level;
+	char	**macro;
+	char	 *nline;
+} c_macro_t;
+
+/*
+ * Undo information for both vi and emacs
+ */
+typedef struct c_undo_t {
+	int	 action;
+	size_t	 isize;
+	size_t	 dsize;
+	char	*ptr;
+	char	*buf;
+} c_undo_t;
+
+/*
+ * Current action information for vi
+ */
+typedef struct c_vcmd_t {
+	int	 action;
+	char	*pos;
+	char	*ins;
+} c_vcmd_t;
+
+/*
+ * Kill buffer for emacs
+ */
+typedef struct c_kill_t {
+	char	*buf;
+	char	*last;
+	char	*mark;
+} c_kill_t;
+
+/*
+ * Note that we use both data structures because the user can bind
+ * commands from both editors!
+ */
+typedef struct el_chared_t {
+	c_undo_t	c_undo;
+	c_kill_t	c_kill;
+	c_vcmd_t	c_vcmd;
+	c_macro_t	c_macro;
+} el_chared_t;
+
+
+#define	STReof		"^D\b\b"
+#define	STRQQ		"\"\""
+
+#define	isglob(a)	(strchr("*[]?", (a)) != NULL)
+#define	isword(a)	(isprint(a))
+
+#define	NOP		0x00
+#define	DELETE		0x01
+#define	INSERT		0x02
+#define	CHANGE		0x04
+
+#define	CHAR_FWD	0
+#define	CHAR_BACK	1
+
+#define	MODE_INSERT	0
+#define	MODE_REPLACE	1
+#define	MODE_REPLACE_1	2
+
+#include "common.h"
+#include "vi.h"
+#include "emacs.h"
+#include "search.h"
+#include "fcns.h"
+
+
+protected int	 cv__isword(int);
+protected void	 cv_delfini(EditLine *);
+protected char	*cv__endword(char *, char *, int);
+protected int	 ce__isword(int);
+protected void	 cv_undo(EditLine *, int, size_t, char *);
+protected char	*cv_next_word(EditLine*, char *, char *, int, int (*)(int));
+protected char	*cv_prev_word(EditLine*, char *, char *, int, int (*)(int));
+protected char	*c__next_word(char *, char *, int, int (*)(int));
+protected char	*c__prev_word(char *, char *, int, int (*)(int));
+protected void	 c_insert(EditLine *, int);
+protected void	 c_delbefore(EditLine *, int);
+protected void	 c_delafter(EditLine *, int);
+protected int	 c_gets(EditLine *, char *);
+protected int	 c_hpos(EditLine *);
+
+protected int	 ch_init(EditLine *);
+protected void	 ch_reset(EditLine *);
+protected int	 ch_enlargebufs	__P((EditLine *, size_t));
+protected void	 ch_end(EditLine *);
+
+#endif /* _h_el_chared */

cmd-line-utils/libedit/compat.h

+#ifndef __LIBEDIT_COMPATH_H
+#define __LIBEDIT_COMPATH_H
+
+#define  __RCSID(x)
+#define  __COPYRIGHT(x)
+
+#include "compat_conf.h"
+
+#ifndef HAVE_VIS_H
+/* string visual representation - may want to reimplement */
+#define strvis(d,s,m)   strcpy(d,s)
+#define strunvis(d,s)   strcpy(d,s)
+#endif
+
+#ifndef HAVE_FGETLN
+#include "fgetln.h"
+#endif
+
+#ifndef HAVE_ISSETUGID
+#define issetugid() (getuid()!=geteuid() || getegid()!=getgid())
+#endif
+
+#ifndef HAVE_STRLCPY
+#include "strlcpy.h"
+#endif
+
+#if HAVE_SYS_CDEFS_H
+#include <sys/cdefs.h>
+#endif
+
+#ifndef __P
+#ifdef __STDC__
+#define __P(x)  x
+#else
+#define __P(x)  ()
+#endif
+#endif
+
+#endif

cmd-line-utils/libedit/el.c

+/*	$NetBSD: el.c,v 1.21 2001/01/05 22:45:30 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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 "compat.h"
+#if !defined(lint) && !defined(SCCSID)
+#if 0
+static char sccsid[] = "@(#)el.c	8.2 (Berkeley) 1/3/94";
+#else
+__RCSID("$NetBSD: el.c,v 1.21 2001/01/05 22:45:30 christos Exp $");
+#endif
+#endif /* not lint && not SCCSID */
+
+/*
+ * el.c: EditLine interface functions
+ */
+#include "sys.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include "el.h"
+
+/* el_init():
+ *	Initialize editline and set default parameters.
+ */
+public EditLine *
+el_init(const char *prog, FILE *fin, FILE *fout, FILE *ferr)
+{
+
+	EditLine *el = (EditLine *) el_malloc(sizeof(EditLine));
+#ifdef DEBUG
+	char *tty;
+#endif
+
+	if (el == NULL)
+		return (NULL);
+
+	memset(el, 0, sizeof(EditLine));
+
+	el->el_infd = fileno(fin);
+	el->el_outfile = fout;
+	el->el_errfile = ferr;
+	el->el_prog = strdup(prog);
+
+	/*
+         * Initialize all the modules. Order is important!!!
+         */
+	el->el_flags = 0;
+
+	(void) term_init(el);
+	(void) key_init(el);
+	(void) map_init(el);
+	if (tty_init(el) == -1)
+		el->el_flags |= NO_TTY;
+	(void) ch_init(el);
+	(void) search_init(el);
+	(void) hist_init(el);
+	(void) prompt_init(el);
+	(void) sig_init(el);
+
+	return (el);
+}
+
+
+/* el_end():
+ *	Clean up.
+ */
+public void
+el_end(EditLine *el)
+{
+
+	if (el == NULL)
+		return;
+
+	el_reset(el);
+
+	term_end(el);
+	key_end(el);
+	map_end(el);
+	tty_end(el);
+	ch_end(el);
+	search_end(el);
+	hist_end(el);
+	prompt_end(el);
+	sig_end(el);
+
+	el_free((ptr_t) el->el_prog);
+	el_free((ptr_t) el);
+}
+
+
+/* el_reset():
+ *	Reset the tty and the parser
+ */
+public void
+el_reset(EditLine *el)
+{
+
+	tty_cookedmode(el);
+	ch_reset(el);		/* XXX: Do we want that? */
+}
+
+
+/* el_set():
+ *	set the editline parameters
+ */
+public int
+el_set(EditLine *el, int op, ...)
+{
+	va_list va;
+	int rv;
+	va_start(va, op);
+
+	if (el == NULL)
+		return (-1);
+	switch (op) {
+	case EL_PROMPT:
+	case EL_RPROMPT:
+		rv = prompt_set(el, va_arg(va, el_pfunc_t), op);
+		break;
+
+	case EL_TERMINAL:
+		rv = term_set(el, va_arg(va, char *));
+		break;
+
+	case EL_EDITOR:
+		rv = map_set_editor(el, va_arg(va, char *));
+		break;
+
+	case EL_SIGNAL:
+		if (va_arg(va, int))
+			el->el_flags |= HANDLE_SIGNALS;
+		else
+			el->el_flags &= ~HANDLE_SIGNALS;
+		rv = 0;
+		break;
+
+	case EL_BIND:
+	case EL_TELLTC:
+	case EL_SETTC:
+	case EL_ECHOTC:
+	case EL_SETTY:
+	{
+		const char *argv[20];
+		int i;
+
+		for (i = 1; i < 20; i++)
+			if ((argv[i] = va_arg(va, char *)) == NULL)
+				break;
+
+		switch (op) {
+		case EL_BIND:
+			argv[0] = "bind";
+			rv = map_bind(el, i, argv);
+			break;
+
+		case EL_TELLTC:
+			argv[0] = "telltc";
+			rv = term_telltc(el, i, argv);
+			break;
+
+		case EL_SETTC:
+			argv[0] = "settc";
+			rv = term_settc(el, i, argv);
+			break;
+
+		case EL_ECHOTC:
+			argv[0] = "echotc";
+			rv = term_echotc(el, i, argv);
+			break;
+
+		case EL_SETTY:
+			argv[0] = "setty";
+			rv = tty_stty(el, i, argv);
+			break;
+
+		default:
+			rv = -1;
+			EL_ABORT((el->el_errfile, "Bad op %d\n", op));
+			break;
+		}
+		break;
+	}
+
+	case EL_ADDFN:
+	{
+		char *name = va_arg(va, char *);
+		char *help = va_arg(va, char *);
+		el_func_t func = va_arg(va, el_func_t);
+
+		rv = map_addfunc(el, name, help, func);
+		break;
+	}
+
+	case EL_HIST:
+	{
+		hist_fun_t func = va_arg(va, hist_fun_t);
+		ptr_t ptr = va_arg(va, char *);
+
+		rv = hist_set(el, func, ptr);
+		break;
+	}
+
+	case EL_EDITMODE:
+		if (va_arg(va, int))
+			el->el_flags &= ~EDIT_DISABLED;
+		else
+			el->el_flags |= EDIT_DISABLED;
+		rv = 0;
+		break;
+
+	default:
+		rv = -1;
+	}
+
+	va_end(va);
+	return (rv);
+}
+
+
+/* el_get():
+ *	retrieve the editline parameters
+ */
+public int
+el_get(EditLine *el, int op, void *ret)
+{
+	int rv;
+
+	if (el == NULL || ret == NULL)
+		return (-1);
+	switch (op) {
+	case EL_PROMPT:
+	case EL_RPROMPT:
+		rv = prompt_get(el, (el_pfunc_t *) & ret, op);
+		break;
+
+	case EL_EDITOR:
+		rv = map_get_editor(el, (const char **) &ret);
+		break;
+
+	case EL_SIGNAL:
+		*((int *) ret) = (el->el_flags & HANDLE_SIGNALS);
+		rv = 0;
+		break;
+
+	case EL_EDITMODE:
+		*((int *) ret) = (!(el->el_flags & EDIT_DISABLED));
+		rv = 0;
+		break;
+
+#if 0				/* XXX */
+	case EL_TERMINAL:
+		rv = term_get(el, (const char *) &ret);
+		break;
+
+	case EL_BIND:
+	case EL_TELLTC:
+	case EL_SETTC:
+	case EL_ECHOTC:
+	case EL_SETTY:
+	{
+		char *argv[20];
+		int i;
+
+		for (i = 1; i < 20; i++)
+			if ((argv[i] = va_arg(va, char *)) == NULL)
+				break;
+
+		switch (op) {
+		case EL_BIND:
+			argv[0] = "bind";
+			rv = map_bind(el, i, argv);
+			break;
+
+		case EL_TELLTC:
+			argv[0] = "telltc";
+			rv = term_telltc(el, i, argv);
+			break;
+
+		case EL_SETTC:
+			argv[0] = "settc";
+			rv = term_settc(el, i, argv);
+			break;
+
+		case EL_ECHOTC:
+			argv[0] = "echotc";
+			rv = term_echotc(el, i, argv);
+			break;
+
+		case EL_SETTY:
+			argv[0] = "setty";
+			rv = tty_stty(el, i, argv);
+			break;
+
+		default:
+			rv = -1;
+			EL_ABORT((el->errfile, "Bad op %d\n", op));
+			break;
+		}
+		break;
+	}
+
+	case EL_ADDFN:
+	{
+		char *name = va_arg(va, char *);
+		char *help = va_arg(va, char *);
+		el_func_t func = va_arg(va, el_func_t);
+
+		rv = map_addfunc(el, name, help, func);
+		break;
+	}
+
+	case EL_HIST:
+		{
+			hist_fun_t func = va_arg(va, hist_fun_t);
+			ptr_t ptr = va_arg(va, char *);
+			rv = hist_set(el, func, ptr);
+		}
+		break;
+#endif /* XXX */
+
+	default:
+		rv = -1;
+	}
+
+	return (rv);
+}
+
+
+/* el_line():
+ *	Return editing info
+ */
+public const LineInfo *
+el_line(EditLine *el)
+{
+
+	return (const LineInfo *) (void *) &el->el_line;
+}
+
+static const char elpath[] = "/.editrc";
+
+/* el_source():
+ *	Source a file
+ */
+public int
+el_source(EditLine *el, const char *fname)
+{
+	FILE *fp;
+	size_t len;
+	char *ptr, path[MAXPATHLEN];
+
+	fp = NULL;
+	if (fname == NULL) {
+		if (issetugid())
+			return (-1);
+		if ((ptr = getenv("HOME")) == NULL)
+			return (-1);
+		if (strlcpy(path, ptr, sizeof(path)) >= sizeof(path))
+			return (-1);
+		if (strlcat(path, elpath, sizeof(path)) >= sizeof(path))
+			return (-1);
+		fname = path;
+	}
+	if (fp == NULL)
+		fp = fopen(fname, "r");
+	if (fp == NULL)
+		return (-1);
+
+	while ((ptr = fgetln(fp, &len)) != NULL) {
+		if (len > 0 && ptr[len - 1] == '\n')
+			--len;
+		ptr[len] = '\0';
+		if (parse_line(el, ptr) == -1) {
+			(void) fclose(fp);
+			return (-1);
+		}
+	}
+
+	(void) fclose(fp);
+	return (0);
+}
+
+
+/* el_resize():
+ *	Called from program when terminal is resized
+ */
+public void
+el_resize(EditLine *el)
+{
+	int lins, cols;
+	sigset_t oset, nset;
+
+	(void) sigemptyset(&nset);
+	(void) sigaddset(&nset, SIGWINCH);
+	(void) sigprocmask(SIG_BLOCK, &nset, &oset);
+
+	/* get the correct window size */
+	if (term_get_size(el, &lins, &cols))
+		term_change_size(el, lins, cols);
+
+	(void) sigprocmask(SIG_SETMASK, &oset, NULL);
+}
+
+
+/* el_beep():
+ *	Called from the program to beep
+ */
+public void
+el_beep(EditLine *el)
+{
+
+	term_beep(el);
+}
+
+
+/* el_editmode()
+ *	Set the state of EDIT_DISABLED from the `edit' command.
+ */
+protected int
+/*ARGSUSED*/
+el_editmode(EditLine *el, int argc, const char **argv)
+{
+	const char *how;
+
+	if (argv == NULL || argc != 2 || argv[1] == NULL)
+		return (-1);
+
+	how = argv[1];
+	if (strcmp(how, "on") == 0)
+		el->el_flags &= ~EDIT_DISABLED;
+	else if (strcmp(how, "off") == 0)
+		el->el_flags |= EDIT_DISABLED;
+	else {
+		(void) fprintf(el->el_errfile, "edit: Bad value `%s'.\n", how);
+		return (-1);
+	}
+	return (0);
+}

cmd-line-utils/libedit/el.h

+/*	$NetBSD: el.h,v 1.8 2001/01/06 14:44:50 jdolecek 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ *	@(#)el.h	8.1 (Berkeley) 6/4/93
+ */
+
+/*
+ * el.h: Internal structures.
+ */
+#ifndef _h_el
+#define	_h_el
+/*
+ * Local defaults
+ */
+#define	KSHVI
+#define	VIDEFAULT
+#define	ANCHOR
+
+#include <stdio.h>
+#include <sys/types.h>
+
+#define	EL_BUFSIZ	1024		/* Maximum line size		*/
+
+#define	HANDLE_SIGNALS	1<<0
+#define	NO_TTY		1<<1
+#define	EDIT_DISABLED	1<<2
+
+typedef int bool_t;			/* True or not			*/
+
+typedef unsigned char el_action_t;	/* Index to command array	*/
+
+typedef struct coord_t {		/* Position on the screen	*/
+	int	h;
+	int	v;
+} coord_t;
+
+typedef struct el_line_t {
+	char	*buffer;		/* Input line			*/
+	char	*cursor;		/* Cursor position		*/
+	char	*lastchar;		/* Last character		*/
+	const char	*limit;			/* Max position			*/
+} el_line_t;
+
+/*
+ * Editor state
+ */
+typedef struct el_state_t {
+	int		inputmode;	/* What mode are we in?		*/
+	int		doingarg;	/* Are we getting an argument?	*/
+	int		argument;	/* Numeric argument		*/
+	int		metanext;	/* Is the next char a meta char */
+	el_action_t	lastcmd;	/* Previous command		*/
+} el_state_t;
+
+/*
+ * Until we come up with something better...
+ */
+#define	el_malloc(a)	malloc(a)
+#define	el_realloc(a,b)	realloc(a, b)
+#define	el_free(a)	free(a)
+
+#include "tty.h"
+#include "prompt.h"
+#include "key.h"
+#include "term.h"
+#include "refresh.h"
+#include "chared.h"
+#include "common.h"
+#include "search.h"
+#include "hist.h"
+#include "map.h"
+#include "parse.h"
+#include "sig.h"
+#include "help.h"
+
+struct editline {
+	char		 *el_prog;	/* the program name		*/
+	FILE		 *el_outfile;	/* Stdio stuff			*/
+	FILE		 *el_errfile;	/* Stdio stuff			*/
+	int		  el_infd;	/* Input file descriptor	*/
+	int		  el_flags;	/* Various flags.		*/
+	coord_t		  el_cursor;	/* Cursor location		*/
+	char		**el_display;	/* Real screen image = what is there */
+	char		**el_vdisplay;	/* Virtual screen image = what we see */
+	el_line_t	  el_line;	/* The current line information	*/
+	el_state_t	  el_state;	/* Current editor state		*/
+	el_term_t	  el_term;	/* Terminal dependent stuff	*/
+	el_tty_t	  el_tty;	/* Tty dependent stuff		*/
+	el_refresh_t	  el_refresh;	/* Refresh stuff		*/
+	el_prompt_t	  el_prompt;	/* Prompt stuff			*/
+	el_prompt_t	  el_rprompt;	/* Prompt stuff			*/
+	el_chared_t	  el_chared;	/* Characted editor stuff	*/
+	el_map_t	  el_map;	/* Key mapping stuff		*/
+	el_key_t	  el_key;	/* Key binding stuff		*/
+	el_history_t	  el_history;	/* History stuff		*/
+	el_search_t	  el_search;	/* Search stuff			*/
+	el_signal_t	  el_signal;	/* Signal handling stuff	*/
+};
+
+protected int	el_editmode(EditLine *, int, const char **);
+
+#ifdef DEBUG
+#define EL_ABORT(a)	(void) (fprintf(el->el_errfile, "%s, %d: ", \
+				__FILE__, __LINE__), fprintf a, abort())
+#else
+#define EL_ABORT(a)	abort()
+#endif
+#endif /* _h_el */

cmd-line-utils/libedit/fgetln.c

+#include <stdio.h>
+#include "compat.h"
+
+#ifndef HAVE_FGETLN
+
+#ifdef HAVE_GETLINE
+
+extern int getline (char **lineptr, size_t *n, FILE *stream);
+
+#else
+
+/* The interface here is that of GNU libc's getline */
+static int
+getline (char **lineptr, size_t *n, FILE *stream)
+{
+#define EXPAND_CHUNK 16
+
+  int n_read = 0;
+  char *line = *lineptr;
+
+  if (lineptr == NULL) return -1;
+  if (n == NULL) return -1;
+  if (stream == NULL) return -1;
+  if (*lineptr == NULL || *n == 0) return -1;
+  
+#ifdef HAVE_FLOCKFILE
+  flockfile (stream);
+#endif  
+  
+  while (1)
+    {
+      int c;
+      
+#ifdef HAVE_FLOCKFILE
+      c = getc_unlocked (stream);
+#else
+      c = getc (stream);
+#endif      
+
+      if (c == EOF)
+        {
+          if (n_read > 0)
+	    line[n_read] = '\0';
+          break;
+        }
+
+      if (n_read + 2 >= *n)
+        {
+	  size_t new_size;
+
+	  if (*n == 0)
+	    new_size = 16;
+	  else
+	    new_size = *n * 2;
+
+	  if (*n >= new_size)    /* Overflowed size_t */
+	    line = NULL;
+	  else
+	    line = (char *)*lineptr ? realloc (*lineptr, new_size) : malloc (new_size);
+
+	  if (line)
+	    {
+	      *lineptr = line;
+	      *n = new_size;
+	    }
+	  else
+	    {
+	      if (*n > 0)
+		{
+		  (*lineptr)[*n - 1] = '\0';
+		  n_read = *n - 2;
+		}
+	      break;
+	    }
+        }
+
+      line[n_read] = c;
+      n_read++;
+
+      if (c == '\n')
+        {
+          line[n_read] = '\0';
+          break;
+        }
+    }
+
+#ifdef HAVE_FLOCKFILE
+  funlockfile (stream);
+#endif
+
+  return n_read - 1;
+}
+#endif /* ! HAVE_GETLINE */
+
+char *fgetln(FILE *stream, size_t *len)
+{
+  char *ptr = NULL;
+  int sz = 0;
+
+  sz = getline(&ptr,  &sz, stream);
+  if(len) {
+    *len = sz;
+  }
+
+  return sz >= 0 ? ptr : NULL;
+}
+#endif

cmd-line-utils/libedit/fgetln.h

+#include <stdio.h>
+
+char *fgetln(FILE *stream, size_t *len);

cmd-line-utils/libedit/hist.c

+/*	$NetBSD: hist.c,v 1.9 2001/05/17 01:02:17 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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 "compat.h"
+#if !defined(lint) && !defined(SCCSID)
+#if 0
+static char sccsid[] = "@(#)hist.c	8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: hist.c,v 1.9 2001/05/17 01:02:17 christos Exp $");
+#endif
+#endif /* not lint && not SCCSID */
+
+/*
+ * hist.c: History access functions
+ */
+#include "sys.h"
+#include <stdlib.h>
+#include "el.h"
+
+/* hist_init():
+ *	Initialization function.
+ */
+protected int
+hist_init(EditLine *el)
+{
+
+	el->el_history.fun = NULL;
+	el->el_history.ref = NULL;
+	el->el_history.buf = (char *) el_malloc(EL_BUFSIZ);
+	el->el_history.sz  = EL_BUFSIZ;
+	if (el->el_history.buf == NULL)
+		return (-1);
+	el->el_history.last = el->el_history.buf;
+	return (0);
+}
+
+
+/* hist_end():
+ *	clean up history;
+ */
+protected void
+hist_end(EditLine *el)
+{
+
+	el_free((ptr_t) el->el_history.buf);
+	el->el_history.buf = NULL;
+}
+
+
+/* hist_set():
+ *	Set new history interface
+ */
+protected int
+hist_set(EditLine *el, hist_fun_t fun, ptr_t ptr)
+{
+
+	el->el_history.ref = ptr;
+	el->el_history.fun = fun;
+	return (0);
+}
+
+
+/* hist_get():
+ *	Get a history line and update it in the buffer.
+ *	eventno tells us the event to get.
+ */
+protected el_action_t
+hist_get(EditLine *el)
+{
+	const char *hp;
+	int h;
+
+	if (el->el_history.eventno == 0) {	/* if really the current line */
+		(void) strncpy(el->el_line.buffer, el->el_history.buf,
+		    el->el_history.sz);
+		el->el_line.lastchar = el->el_line.buffer +
+		    (el->el_history.last - el->el_history.buf);
+
+#ifdef KSHVI
+		if (el->el_map.type == MAP_VI)
+			el->el_line.cursor = el->el_line.buffer;
+		else
+#endif /* KSHVI */
+			el->el_line.cursor = el->el_line.lastchar;
+
+		return (CC_REFRESH);
+	}
+	if (el->el_history.ref == NULL)
+		return (CC_ERROR);
+
+	hp = HIST_FIRST(el);
+
+	if (hp == NULL)
+		return (CC_ERROR);
+
+	for (h = 1; h < el->el_history.eventno; h++)
+		if ((hp = HIST_NEXT(el)) == NULL) {
+			el->el_history.eventno = h;
+			return (CC_ERROR);
+		}
+	(void) strncpy(el->el_line.buffer, hp,
+			(size_t)(el->el_line.limit - el->el_line.buffer));
+	el->el_line.lastchar = el->el_line.buffer + strlen(el->el_line.buffer);
+
+	if (el->el_line.lastchar > el->el_line.buffer) {
+		if (el->el_line.lastchar[-1] == '\n')
+			el->el_line.lastchar--;
+		if (el->el_line.lastchar[-1] == ' ')
+			el->el_line.lastchar--;
+		if (el->el_line.lastchar < el->el_line.buffer)
+			el->el_line.lastchar = el->el_line.buffer;
+	}
+#ifdef KSHVI
+	if (el->el_map.type == MAP_VI)
+		el->el_line.cursor = el->el_line.buffer;
+	else
+#endif /* KSHVI */
+		el->el_line.cursor = el->el_line.lastchar;
+
+	return (CC_REFRESH);
+}
+
+
+/* hist_list()
+ *	List history entries
+ */
+protected int
+/*ARGSUSED*/
+hist_list(EditLine *el, int argc __attribute__((unused)), 
+	  const char **argv __attribute__((unused)))
+{
+	const char *str;
+
+	if (el->el_history.ref == NULL)
+		return (-1);
+	for (str = HIST_LAST(el); str != NULL; str = HIST_PREV(el))
+		(void) fprintf(el->el_outfile, "%d %s",
+		    el->el_history.ev.num, str);
+	return (0);
+}
+
+/* hist_enlargebuf()
+ *	Enlarge history buffer to specified value. Called from el_enlargebufs().
+ *	Return 0 for failure, 1 for success.
+ */
+protected int
+/*ARGSUSED*/
+hist_enlargebuf(EditLine *el, size_t oldsz, size_t newsz)
+{
+	char *newbuf;
+
+	newbuf = realloc(el->el_history.buf, newsz);
+	if (!newbuf)
+		return 0;
+
+	(void) memset(&newbuf[oldsz], '\0', newsz - oldsz);
+
+	el->el_history.last = newbuf +
+				(el->el_history.last - el->el_history.buf);
+	el->el_history.buf = newbuf;
+	el->el_history.sz  = newsz;
+
+	return 1;
+}

cmd-line-utils/libedit/hist.h

+/*	$NetBSD: hist.h,v 1.6 2001/01/10 07:45:41 jdolecek 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ *	@(#)hist.h	8.1 (Berkeley) 6/4/93
+ */
+
+/*
+ * el.hist.c: History functions
+ */
+#ifndef _h_el_hist
+#define	_h_el_hist
+
+#include "histedit.h"
+
+typedef int (*hist_fun_t)(ptr_t, HistEvent *, int, ...);
+
+typedef struct el_history_t {
+	char		*buf;		/* The history buffer		*/
+	size_t		sz;		/* Size of history buffer	*/
+	char		*last;		/* The last character		*/
+	int		 eventno;	/* Event we are looking for	*/
+	ptr_t		 ref;		/* Argument for history fcns	*/
+	hist_fun_t	 fun;		/* Event access			*/
+	HistEvent	 ev;		/* Event cookie			*/
+} el_history_t;
+
+#define	HIST_FUN(el, fn, arg)	\
+    ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \
+	fn, arg)) == -1) ? NULL : (el)->el_history.ev.str)
+
+#define	HIST_NEXT(el)		HIST_FUN(el, H_NEXT, NULL)
+#define	HIST_FIRST(el)		HIST_FUN(el, H_FIRST, NULL)
+#define	HIST_LAST(el)		HIST_FUN(el, H_LAST, NULL)
+#define	HIST_PREV(el)		HIST_FUN(el, H_PREV, NULL)
+#define	HIST_EVENT(el, num)	HIST_FUN(el, H_EVENT, num)
+#define	HIST_LOAD(el, fname)	HIST_FUN(el, H_LOAD fname)
+#define	HIST_SAVE(el, fname)	HIST_FUN(el, H_SAVE fname)
+
+protected int		hist_init(EditLine *);
+protected void		hist_end(EditLine *);
+protected el_action_t	hist_get(EditLine *);
+protected int		hist_set(EditLine *, hist_fun_t, ptr_t);
+protected int		hist_list(EditLine *, int, const char **);
+protected int		hist_enlargebuf(EditLine *, size_t, size_t);
+
+#endif /* _h_el_hist */

cmd-line-utils/libedit/parse.h

+/*	$NetBSD: parse.h,v 1.4 2000/09/04 22:06:31 lukem 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ *	@(#)parse.h	8.1 (Berkeley) 6/4/93
+ */
+
+/*
+ * el.parse.h: Parser functions
+ */
+#ifndef _h_el_parse
+#define	_h_el_parse
+
+protected int	 parse_line(EditLine *, const char *);
+protected int	 parse__escape(const char ** const);
+protected char	*parse__string(char *, const char *);
+protected int	 parse_cmd(EditLine *, const char *);
+
+#endif /* _h_el_parse */

cmd-line-utils/libedit/strlcpy.h

+size_t strlcpy(char *dst, const char *src, size_t size);
+size_t strlcat(char *dst, const char *src, size_t size);