From: Viktor Szakats <commit@vsz.me>
Date: Thu, 21 Aug 2025 11:59:46 +0000 (+0200)
Subject: curl_setup.h: fix `FMT_SOCKET_T` to be unsigned on Windows
X-Git-Tag: rc-8_18_0-2~86
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86f5bd3c6e67809e4feac4df42e422c54277df05;p=thirdparty%2Fcurl.git

curl_setup.h: fix `FMT_SOCKET_T` to be unsigned on Windows

To match the Windows socket type.

Ref: https://learn.microsoft.com/windows/win32/winsock/socket-data-type-2

Cherry-picked from #18343
Closes #19881
---

diff --git a/lib/curl_setup.h b/lib/curl_setup.h
index c4be90b655..829650aee4 100644
--- a/lib/curl_setup.h
+++ b/lib/curl_setup.h
@@ -519,9 +519,13 @@
 #endif
 
 #if SIZEOF_CURL_SOCKET_T < 8
+#ifdef _WIN32
+#  define FMT_SOCKET_T "u"
+#else
 #  define FMT_SOCKET_T "d"
-#elif defined(__MINGW32__)
-#  define FMT_SOCKET_T "zd"
+#endif
+#elif defined(_WIN32)
+#  define FMT_SOCKET_T "zu"
 #else
 #  define FMT_SOCKET_T "qd"
 #endif