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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
1 changed files with 2 additions and 2 deletions
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4
samples/bpf/xdp_monitor_user.c
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@ -58,7 +58,7 @@ static void usage(char *argv[])
printf(" flag (internal value:%d)", printf(" flag (internal value:%d)",
*long_options[i].flag); *long_options[i].flag);
else else
printf("(internal short-option: -%c)", printf("short-option: -%c",
long_options[i].val); long_options[i].val);
printf("\n"); 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]); snprintf(bpf_obj_file, sizeof(bpf_obj_file), "%s_kern.o", argv[0]);
/* Parse commands line args */ /* Parse commands line args */
while ((opt = getopt_long(argc, argv, "h", while ((opt = getopt_long(argc, argv, "hDSs:",
long_options, &longindex)) != -1) { long_options, &longindex)) != -1) {
switch (opt) { switch (opt) {
case 'D': case 'D':