From b37e0da0b7dc72ddfa513e319ca71b5f5b8aeb7d Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Mon, 13 Nov 2006 22:13:33 +0100
Subject: Initial import

---
 src/history.c | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 src/history.c

(limited to 'src/history.c')

diff --git a/src/history.c b/src/history.c
new file mode 100644
index 0000000..3733c26
--- /dev/null
+++ b/src/history.c
@@ -0,0 +1,105 @@
+/*===========================================================================
+ Copyright (c) 1998-2000, The Santa Cruz Operation 
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ *Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ *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.
+
+ *Neither name of The Santa Cruz Operation 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 COPYRIGHT HOLDERS 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. 
+ =========================================================================*/
+
+/*	cscope - interactive C symbol or text cross-reference
+ *
+ *	command history
+ */
+
+#include "global.h"
+
+#include "alloc.h"
+
+static char const rcsid[] = "$Id: history.c,v 1.3 2006/07/23 20:59:20 broeker Exp $";
+
+static	struct cmd *tail, *current;
+
+/* add a cmd to the history list */
+void
+addcmd(int f, char *s)		/* field number and command text */
+{
+	struct cmd *h;
+
+	h = mymalloc(sizeof(struct cmd));
+	if( tail) {
+		tail->next = h;
+		h->next = 0;
+		h->prev = tail;
+		tail = h;
+	} else {
+		tail = h;
+		h->next = h->prev = 0;
+	}
+	h->field = f;
+	h->text = my_strdup( s);
+	current = 0;
+}
+
+/* return previous history item */
+struct cmd *
+prevcmd(void)
+{
+	if( current) {
+		if( current->prev)	/* stay on first item */
+			return current = current->prev;
+		else
+			return current;
+	} else if( tail)
+		return current = tail;
+	else 
+		return NULL;
+}
+
+/* return next history item */
+struct cmd *
+nextcmd(void)
+{
+	if( current) {
+		if( current->next)	/* stay on first item */
+			return current = current->next;
+		else
+			return current;
+	} else 
+		return NULL;
+}
+/* reset current to tail */
+void
+resetcmd(void)
+{
+	current = 0;
+}
+
+struct cmd *
+currentcmd(void)
+{
+	return current;
+}
-- 
cgit v1.2.3-54-g00ecf