From: Alan T. DeKok <aland@freeradius.org>
Date: Wed, 18 Feb 2026 01:39:19 +0000 (-0500)
Subject: zero is a valid number of bytes to copy
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=033fd90425cfda08c5b45aba837aeba398bf761c;p=thirdparty%2Ffreeradius-server.git

zero is a valid number of bytes to copy
---

diff --git a/src/lib/tls/bio.c b/src/lib/tls/bio.c
index 5a5b200243e..cc04df3c300 100644
--- a/src/lib/tls/bio.c
+++ b/src/lib/tls/bio.c
@@ -152,7 +152,7 @@ static int _tls_bio_talloc_gets_cb(BIO *bio, char *buf, int size)
 	if (to_copy >= (size_t)size) to_copy = (size_t)size - 1; /* Space for \0 */
 
 	slen = fr_dbuff_out_memcpy((uint8_t *)buf, &bd->dbuff_out, to_copy);
-	if (!fr_cond_assert(slen > 0)) {	/* Shouldn't happen */
+	if (fr_cond_assert(slen < 0)) {	/* Shouldn't happen */
 		buf[0] = '\0';
 		return (int)slen;
 	}