netdev - [PATCH bpf-next v2] samples/bpf: xdp

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Message-Id: <20180514082915.3364-1-bhole_prashant_q7@lab.ntt.co.jp>
Date:   Mon, 14 May 2018 17:29:15 +0900
From:   Prashant Bhole <bhole_prashant_q7@....ntt.co.jp>
To:     Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>
Cc:     Prashant Bhole <bhole_prashant_q7@....ntt.co.jp>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH bpf-next v2] 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@....ntt.co.jp>
---
 samples/bpf/xdp_monitor_user.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/samples/bpf/xdp_monitor_user.c b/samples/bpf/xdp_monitor_user.c
index 894bc64c2cac..05ad3f590c91 100644
--- a/samples/bpf/xdp_monitor_user.c
+++ b/samples/bpf/xdp_monitor_user.c
@@ -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':
-- 
2.13.6