From: Stefan Eissing <stefan@eissing.org>
Date: Mon, 8 Sep 2025 13:29:29 +0000 (+0200)
Subject: vquic: replace assert
X-Git-Tag: curl-8_16_0~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e3c06ccc665dde20f278fe80852810349492122d;p=thirdparty%2Fcurl.git

vquic: replace assert

Replace the hard assert in case not all data is send on UDP
(which should never happen), with an error return.

Closes #18495
---

diff --git a/lib/vquic/vquic.c b/lib/vquic/vquic.c
index f3a02f63ae..647450a29b 100644
--- a/lib/vquic/vquic.c
+++ b/lib/vquic/vquic.c
@@ -186,8 +186,9 @@ static CURLcode do_sendmsg(struct Curl_cfilter *cf,
       return CURLE_SEND_ERROR;
     }
   }
-  else {
-    assert(pktlen == (size_t)sent);
+  else if(pktlen != (size_t)sent) {
+    failf(data, "sendmsg() sent only %zd/%zu bytes", sent, pktlen);
+    return CURLE_SEND_ERROR;
   }
 #else
   ssize_t sent;