From: Harry Sintonen <sintonen@iki.fi>
Date: Thu, 13 Feb 2025 18:33:33 +0000 (+0200)
Subject: docs: add FD_ZERO to curl_multi_fdset example
X-Git-Tag: curl-8_13_0~485
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f138177b92b2db962de959f1311726bd4f67d7cd;p=thirdparty%2Fcurl.git

docs: add FD_ZERO to curl_multi_fdset example

While the examples are not intended to complete applications this is
quite relevant for the correct function of the code.

Closes #16325
---

diff --git a/docs/libcurl/curl_multi_fdset.md b/docs/libcurl/curl_multi_fdset.md
index d43663dd90..1396738014 100644
--- a/docs/libcurl/curl_multi_fdset.md
+++ b/docs/libcurl/curl_multi_fdset.md
@@ -100,6 +100,10 @@ int main(void)
 
     /* call curl_multi_perform() */
 
+    FD_ZERO(&fdread);
+    FD_ZERO(&fdwrite);
+    FD_ZERO(&fdexcep);
+
     /* get file descriptors from the transfers */
     mc = curl_multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);