From 643fc0c45601bfbf8967fd064c8d311e15558248 Mon Sep 17 00:00:00 2001
From: Andrew Danshin <dass79@mail.ru>
Date: Fri, 27 Jun 2025 21:07:32 +0300
Subject: [PATCH] Support curl compiled without IPv6 support.

	modified:   blockcheck.sh
---
 blockcheck.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/blockcheck.sh b/blockcheck.sh
index df46f2f5..63e48f4d 100755
--- a/blockcheck.sh
+++ b/blockcheck.sh
@@ -635,7 +635,11 @@ curl_with_subst_ip()
 	# $2 - port
 	# $3 - ip
 	# $4+ - curl params
-	local connect_to="--connect-to $1::[$3]${2:+:$2}" arg
+	local ip="$3"
+	case "$ip" in
+		*:*) ip="[$ip]" ;;
+	esac
+	local connect_to="--connect-to $1::$ip${2:+:$2}" arg
 	shift ; shift ; shift
 	[ "$CURL_VERBOSE" = 1 ] && arg="-v"
 	[ "$CURL_CMD" = 1 ] && echo $CURL ${arg:+$arg }$connect_to "$@"