From 519aae7b91454e45b0528809e94c5008cdf0c060 Mon Sep 17 00:00:00 2001
From: Zahari Doychev <zdoychev@maxlinear.com>
Date: Thu, 8 Dec 2022 17:40:17 +0100
Subject: mausezahn: use getopt_long instead of getopt

The musl getopt stops processing the options at the first non-option
argument comapared to the glibc variant. Using getopt_long fixes this
problem.

Signed-off-by: Zahari Doychev <zahari.doychev@linux.com>
---
 staging/mausezahn.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/staging/mausezahn.c b/staging/mausezahn.c
index ad46d35..7599b74 100644
--- a/staging/mausezahn.c
+++ b/staging/mausezahn.c
@@ -23,7 +23,8 @@
 #include <sys/ioctl.h>
 #include <netinet/in.h>
 #include <stdarg.h>
- 
+#include <getopt.h>
+
 #include "mz.h"
 #include "cli.h"
 #include "mops.h"
@@ -447,9 +448,7 @@ int getopts (int argc, char *argv[])
 	char unit;
 
 	opterr = 1; // let getopt print error message if necessary
-
-
-	while ((c = getopt(argc, argv, short_options)) != -1)
+	while ((c = getopt_long(argc, argv, short_options, NULL, NULL)) != -1) {
 		switch (c) {
 		 case '4':
 			tx.eth_type = 0x0800;
@@ -646,7 +645,7 @@ int getopts (int argc, char *argv[])
 			fprintf (stderr," mz/getopts: Could not handle arguments properly!\n");
 			return 1;
 		}
-   
+	}
 	// ********************************************
 	//       Handle additional arguments
 	// ********************************************
@@ -660,8 +659,8 @@ int getopts (int argc, char *argv[])
 			"-- Verbose mode --\n"
 			"\n");
 	}
-   
-	if (argc<2) {
+
+	if (optind+2 < argc) {
 		help();
 	}
    
-- 
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