- fix bug wrt posix_memalign(3) of blocks between half a page and a page

- document posix_memalign() does not play nice with reacallocarray(3) and
freezero(3)

1 files changed, 9 insertions, 4 deletions

diff --git a/src/lib/libc/stdlib/posix_memalign.3 b/src/lib/libc/stdlib/posix_memalign.3
index 05ec1b9d14..fcd0a4cbdb 100644
--- a/src/lib/libc/stdlib/posix_memalign.3
+++ b/src/lib/libc/stdlib/posix_memalign.3
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: posix_memalign.3,v 1.3 2012/06/18 17:03:52 matthew Exp $
+.\"     $OpenBSD: posix_memalign.3,v 1.4 2017/05/13 07:11:29 otto Exp $
 .\" Copyright (C) 2006 Jason Evans <jasone@FreeBSD.org>.
 .\" All rights reserved.
 .\"
@@ -28,7 +28,7 @@
 .\"
 .\" $FreeBSD: src/lib/libc/stdlib/posix_memalign.3,v 1.3 2007/03/28 04:32:51 jasone Exp $
 .\"
-.Dd $Mdocdate: June 18 2012 $
+.Dd $Mdocdate: May 13 2017 $
 .Dt POSIX_MEMALIGN 3
 .Os
 .Sh NAME
@@ -56,9 +56,14 @@ must be a power of 2 at least as large as
 Memory that is allocated via
 .Fn posix_memalign
 can be used as an argument in subsequent calls to
-.Xr realloc 3
+.Xr realloc 3 ,
+.Xr reallocarray 3
+and
+.Xr free 3 ,
+but not
+.Xr recallocarray 3
 and
-.Xr free 3 .
+.Xr freezero 3 .
 .Sh RETURN VALUES
 The
 .Fn posix_memalign