The variable "optchar" used char instead of int leading to a non
working batctl tp command as the while loop parsing the tp
arguments with the getopt command is only left via the "default"
case leaving the tp subcommand unusable. Using type char also
lead to a compiler warning.

Signed-off-by: Andreas Pape <>
 tp_meter.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tp_meter.c b/tp_meter.c
index 7fe0d56..10dc2b9 100644
--- a/tp_meter.c
+++ b/tp_meter.c
@@ -395,7 +395,7 @@ int tp_meter(char *mesh_iface, int argc, char **argv)
        int ret = EXIT_FAILURE;
        int found_args = 1, read_opt = USE_BAT_HOSTS;
        uint32_t time = 0;
-       char optchar;
+       int optchar;
        struct nl_sock *listen_sock = NULL;
        struct tp_result result = {
                .error = 0,


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