From: Todd C. Miller <Todd.Miller@sudo.ws>
Date: Tue, 23 Jan 2018 22:57:58 +0000 (-0700)
Subject: WSAEVENT is a pointer, so we cannot simply return the different of two
X-Git-Tag: release-1.1pre16~29
X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=commitdiff_plain;h=5ec513ec0ffc735e30c559a03378659ba4cc4515

WSAEVENT is a pointer, so we cannot simply return the different of two
events in io_compare(), which returns an int.  This can return the wrong
result for 64-bit executables.
---

diff --git a/src/event.c b/src/event.c
index 5edd3a6d..84b18b3d 100644
--- a/src/event.c
+++ b/src/event.c
@@ -41,7 +41,13 @@ static int io_compare(const io_t *a, const io_t *b) {
 #ifndef HAVE_MINGW
 	return a->fd - b->fd;
 #else
-	return a->event - b->event;
+	if(a->event < b->event) {
+		return -1;
+	}
+	if(a->event > b->event) {
+		return 1;
+	}
+	return 0;
 #endif
 }