From ac593df8eb280317c6c3cf3013e2b2f08f75bb18 Mon Sep 17 00:00:00 2001
From: millert <millert@openbsd.org>
Date: Fri, 14 Aug 2020 12:00:33 +0000
Subject: Fix handling of "w+" mode, we were only truncating for "w". OK
 martijn@ mpi@

---
 lib/libc/stdio/fmemopen.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/libc/stdio/fmemopen.c')

diff --git a/lib/libc/stdio/fmemopen.c b/lib/libc/stdio/fmemopen.c
index 00c27646b96..35b0ff7062a 100644
--- a/lib/libc/stdio/fmemopen.c
+++ b/lib/libc/stdio/fmemopen.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fmemopen.c,v 1.3 2015/08/31 02:53:57 guenther Exp $	*/
+/*	$OpenBSD: fmemopen.c,v 1.4 2020/08/14 12:00:33 millert Exp $	*/
 
 /*
  * Copyright (c) 2011 Martin Pieuchot <mpi@openbsd.org>
@@ -144,7 +144,7 @@ fmemopen(void *buf, size_t size, const char *mode)
 	}
 
 	st->pos = 0;
-	st->len = (oflags & O_WRONLY) ? 0 : size;
+	st->len = (oflags & O_TRUNC) ? 0 : size;
 	st->size = size;
 	st->update = oflags & O_RDWR;
 
-- 
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