changes for readline/libedit configuration

1 files changed, 175 insertions, 0 deletions

diff --git a/cmd-line-utils/libedit/prompt.c b/cmd-line-utils/libedit/prompt.c
new file mode 100644
index 00000000000..4e8e4fa2082
--- /dev/null
+++ b/cmd-line-utils/libedit/prompt.c
@@ -0,0 +1,175 @@
+/*	$NetBSD: prompt.c,v 1.8 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.
+ */
+
+#include "compat.h"
+#if !defined(lint) && !defined(SCCSID)
+#if 0
+static char sccsid[] = "@(#)prompt.c	8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: prompt.c,v 1.8 2001/01/10 07:45:41 jdolecek Exp $");
+#endif
+#endif /* not lint && not SCCSID */
+
+/*
+ * prompt.c: Prompt printing functions
+ */
+#include "sys.h"
+#include <stdio.h>
+#include "el.h"
+
+private char	*prompt_default(EditLine *);
+private char	*prompt_default_r(EditLine *);
+
+/* prompt_default():
+ *	Just a default prompt, in case the user did not provide one
+ */
+private char *
+/*ARGSUSED*/
+prompt_default(EditLine *el __attribute__((unused)))
+{
+	static char a[3] = {'?', ' ', '\0'};
+
+	return (a);
+}
+
+
+/* prompt_default_r():
+ *	Just a default rprompt, in case the user did not provide one
+ */
+private char *
+/*ARGSUSED*/
+prompt_default_r(EditLine *el __attribute__((unused)))
+{
+	static char a[1] = {'\0'};
+
+	return (a);
+}
+
+
+/* prompt_print():
+ *	Print the prompt and update the prompt position.
+ *	We use an array of integers in case we want to pass
+ * 	literal escape sequences in the prompt and we want a
+ *	bit to flag them
+ */
+protected void
+prompt_print(EditLine *el, int op)
+{
+	el_prompt_t *elp;
+	char *p;
+
+	if (op == EL_PROMPT)
+		elp = &el->el_prompt;
+	else
+		elp = &el->el_rprompt;
+	p = (elp->p_func) (el);
+	while (*p)
+		re_putc(el, *p++, 1);
+
+	elp->p_pos.v = el->el_refresh.r_cursor.v;
+	elp->p_pos.h = el->el_refresh.r_cursor.h;
+}
+
+
+/* prompt_init():
+ *	Initialize the prompt stuff
+ */
+protected int
+prompt_init(EditLine *el)
+{
+
+	el->el_prompt.p_func = prompt_default;
+	el->el_prompt.p_pos.v = 0;
+	el->el_prompt.p_pos.h = 0;
+	el->el_rprompt.p_func = prompt_default_r;
+	el->el_rprompt.p_pos.v = 0;
+	el->el_rprompt.p_pos.h = 0;
+	return (0);
+}
+
+
+/* prompt_end():
+ *	Clean up the prompt stuff
+ */
+protected void
+/*ARGSUSED*/
+prompt_end(EditLine *el __attribute__((unused)))
+{
+}
+
+
+/* prompt_set():
+ *	Install a prompt printing function
+ */
+protected int
+prompt_set(EditLine *el, el_pfunc_t prf, int op)
+{
+	el_prompt_t *p;
+
+	if (op == EL_PROMPT)
+		p = &el->el_prompt;
+	else
+		p = &el->el_rprompt;
+	if (prf == NULL) {
+		if (op == EL_PROMPT)
+			p->p_func = prompt_default;
+		else
+			p->p_func = prompt_default_r;
+	} else
+		p->p_func = prf;
+	p->p_pos.v = 0;
+	p->p_pos.h = 0;
+	return (0);
+}
+
+
+/* prompt_get():
+ *	Retrieve the prompt printing function
+ */
+protected int
+prompt_get(EditLine *el, el_pfunc_t *prf, int op)
+{
+
+	if (prf == NULL)
+		return (-1);
+	if (op == EL_PROMPT)
+		*prf = el->el_prompt.p_func;
+	else
+		*prf = el->el_rprompt.p_func;
+	return (0);
+}