From cbcbe73972db81b12b15cd9b7de5ef06a5d6d3e9 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Sun, 12 Feb 2023 11:25:48 +0100
Subject: [SHARED] sock_printable: Always null-terminate

---
 src/shared/sockhelper.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/shared/sockhelper.c b/src/shared/sockhelper.c
index 1970447..5096320 100644
--- a/src/shared/sockhelper.c
+++ b/src/shared/sockhelper.c
@@ -241,7 +241,10 @@ size_t sock_printable(const struct sockaddr * const addr, const socklen_t addrLe
 			outlen = snprintf( output, len, "[%s]:%s", host, port );
 		}
 	}
-	if ( outlen <= 0 ) return 0;
+	if ( outlen <= 0 ) {
+		output[0] = '\0';
+		return 0;
+	}
 	return MIN( (size_t)outlen, len-1 );
 }
 
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