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telnet_server: fix scan-build warning 

fix "Declared variable-length array (VLA) has zero size" warning
raised in .../src/server/telnet_server.c:633:2:

Change-Id: Icff5228b02790c472b212a86a3849b1a3df98fdb
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6565
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Tarek BOCHKATI 2022-05-28 18:45:35 +01:00 committed by Antonio Borneo
parent 7cc79a8d62
commit d1b882f2c0
1 changed files with 5 additions and 1 deletions
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6
src/server/telnet_server.c
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@ -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++;
/* 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,