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telnet_server: fix scan-build warning
[fw/openocd]
/
src
/
server
/
telnet_server.c
diff --git
a/src/server/telnet_server.c
b/src/server/telnet_server.c
index 4fc71f384e26a693e9bc0dc5d538811da732065d..8e796264c2039f86879b362138fd268d5a7acb43 100644
(file)
--- a/
src/server/telnet_server.c
+++ b/
src/server/telnet_server.c
@@
-615,7
+615,11
@@
static void telnet_auto_complete(struct connection *connection)
while ((usr_cmd_pos < t_con->line_cursor) && isspace(t_con->line[usr_cmd_pos]))
usr_cmd_pos++;
while ((usr_cmd_pos < t_con->line_cursor) && isspace(t_con->line[usr_cmd_pos]))
usr_cmd_pos++;
- /* user command length */
+ /* check user command length */
+ if (t_con->line_cursor < usr_cmd_pos) {
+ telnet_bell(connection);
+ return;
+ }
size_t usr_cmd_len = t_con->line_cursor - usr_cmd_pos;
/* optimize multiple spaces in the user command,
size_t usr_cmd_len = t_con->line_cursor - usr_cmd_pos;
/* optimize multiple spaces in the user command,