[OpenOCD-commit] Main OpenOCD repository branch, master, updated. v0.11.0-365-g9a9e9e2c6

[OpenOCD-Gerrit <ope...@us...>]

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- Log -----------------------------------------------------------------
commit 9a9e9e2c666dcb4987421f89d3b09ff9951cb0a1
Author: Tarek BOCHKATI <tar...@gm...>
Date:   Wed Aug 18 19:55:48 2021 +0100

    server/telnet: enhance telnet_move_cursor
    
    instrument the telnet_move_cursor to detect when there is no change
    of cursor position and if the requested new position is out of bounds.
    
    Change-Id: I24da877e538a458da6d2f8ddc2a681eee404d2cb
    Signed-off-by: Tarek BOCHKATI <tar...@gm...>
    Reviewed-on: https://review.openocd.org/c/openocd/+/6441
    Tested-by: jenkins
    Reviewed-by: Antonio Borneo <bor...@gm...>

diff --git a/src/server/telnet_server.c b/src/server/telnet_server.c
index f7b3f6449..36b017c58 100644
--- a/src/server/telnet_server.c
+++ b/src/server/telnet_server.c
@@ -352,10 +352,14 @@ static int telnet_history_print(struct connection *connection)
 
 static void telnet_move_cursor(struct connection *connection, size_t pos)
 {
-	struct telnet_connection *tc;
+	struct telnet_connection *tc = connection->priv;
 	size_t tmp;
 
-	tc = connection->priv;
+	if (pos == tc->line_cursor) /* nothing to do */
+		return;
+
+	if (pos > tc->line_size) /* out of bounds */
+		return;
 
 	if (pos < tc->line_cursor) {
 		tmp = tc->line_cursor - pos;

-----------------------------------------------------------------------

Summary of changes:
 src/server/telnet_server.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)


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