Subject: [PATCH v1] Fix optind handling inconsistency in getopt_long() for missing argument

From: Japin Li <[email-masked]>
Date: Tue, 21 Jul 2026 17:49:02 +0800

Move optind++ and place = EMSG before the BADARG return in the long option
path to match short option behavior and ensure consistent state.
---
 src/port/getopt_long.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/port/getopt_long.c b/src/port/getopt_long.c
index 20953db9db1..a488a647889 100644
--- a/src/port/getopt_long.c
+++ b/src/port/getopt_long.c
@@ -145,6 +145,9 @@ retry:
 						}
 						else
 						{
+							place = EMSG;
+							optind++;
+
 							if (optstring[0] == ':')
 								return BADARG;
 
@@ -153,9 +156,6 @@ retry:
 										"%s: option requires an argument -- %s\n",
 										argv[0], place);
 
-							place = EMSG;
-							optind++;
-
 							if (has_arg == required_argument)
 								return BADCH;
 							optarg = NULL;
-- 
2.53.0

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