From: Marc Hoersken <info@marc-hoersken.de>
Date: Thu, 12 Mar 2020 08:34:34 +0000 (+0100)
Subject: select: add 'timeout_ms' wrap-around precaution to Curl_select
X-Git-Tag: curl-7_70_0~241
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=696cfc0f6ca4f4cf822cef50ff6ea8c012a016df;p=thirdparty%2Fcurl.git

select: add 'timeout_ms' wrap-around precaution to Curl_select
---

diff --git a/lib/select.c b/lib/select.c
index bbada45fc9..1ab0239342 100644
--- a/lib/select.c
+++ b/lib/select.c
@@ -122,6 +122,12 @@ int Curl_select(curl_socket_t maxfd,
   int pending_ms;
   int r;
 
+#if SIZEOF_TIME_T != SIZEOF_INT
+  /* wrap-around precaution */
+  if(timeout_ms >= INT_MAX)
+    timeout_ms = INT_MAX;
+#endif
+
 #ifdef USE_WINSOCK
   /* WinSock select() can't handle zero events.  See the comment below. */
   if((!fds_read || fds_read->fd_count == 0) &&