samples/bpf: xdp_monitor, accept short options

Updated optstring parameter for getopt_long() to accept short options.
Also updated usage() function.

Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Prashant Bhole 2018-05-14 17:29:15 +09:00 committed by Daniel Borkmann
parent 1772be37fc
commit 53ea24c20c

View File

@ -58,7 +58,7 @@ static void usage(char *argv[])
printf(" flag (internal value:%d)",
*long_options[i].flag);
else
printf("(internal short-option: -%c)",
printf("short-option: -%c",
long_options[i].val);
printf("\n");
}
@ -594,7 +594,7 @@ int main(int argc, char **argv)
snprintf(bpf_obj_file, sizeof(bpf_obj_file), "%s_kern.o", argv[0]);
/* Parse commands line args */
while ((opt = getopt_long(argc, argv, "h",
while ((opt = getopt_long(argc, argv, "hDSs:",
long_options, &longindex)) != -1) {
switch (opt) {
case 'D':