From 1ccadd7c72e10854f4562115d9ce783d50163afa Mon Sep 17 00:00:00 2001
From: Klemens Nanni
Date: Sun, 13 Jun 2021 23:39:23 +0000
Subject: Treat `-T's optional argument as optional

`-T[format]' is not possible with getopt(3) but getopt_long(3) supports
"T::" exactly for that, so make the command line option go in line with
configuration files and documentation.

While here, check `has_arg' explicitly as getopt_long(3) only documents
mnemonic values not numerical ones.
---
 chat.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'chat.c')

diff --git a/chat.c b/chat.c
index 3f6aa71..09d0ca6 100644
--- a/chat.c
+++ b/chat.c
@@ -190,10 +190,11 @@ int main(int argc, char *argv[]) {
 		{ .val = 'w', .name = "pass", required_argument },
 		{0},
 	};
-	char opts[2 * ARRAY_LEN(options)];
+	char opts[3 * ARRAY_LEN(options)];
 	for (size_t i = 0, j = 0; i < ARRAY_LEN(options); ++i) {
 		opts[j++] = options[i].val;
-		if (options[i].has_arg) opts[j++] = ':';
+		if (options[i].has_arg != no_argument) opts[j++] = ':';
+		if (options[i].has_arg == optional_argument) opts[j++] = ':';
 	}
 
 	for (int opt; 0 < (opt = getopt_config(argc, argv, opts, options, NULL));) {
-- 
cgit 1.4.1-2-gfad0