From c0c53c3114b652d30b8277d66fec82482bcde38d Mon Sep 17 00:00:00 2001 From: Damien Miller Date: Fri, 7 Mar 2008 18:35:26 +1100 Subject: - deraadt@cvs.openbsd.org 2008/03/02 18:19:35 [monitor_fdpass.c] use a union to ensure alignment of the cmsg (pay attention: various other parts of the tree need this treatment too); ok djm --- monitor_fdpass.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) (limited to 'monitor_fdpass.c') diff --git a/monitor_fdpass.c b/monitor_fdpass.c index a572302e..fb00ab7a 100644 --- a/monitor_fdpass.c +++ b/monitor_fdpass.c @@ -1,4 +1,4 @@ -/* $OpenBSD: monitor_fdpass.c,v 1.13 2007/09/04 03:21:03 djm Exp $ */ +/* $OpenBSD: monitor_fdpass.c,v 1.14 2008/03/02 18:19:35 deraadt Exp $ */ /* * Copyright 2001 Niels Provos * All rights reserved. @@ -49,7 +49,10 @@ mm_send_fd(int sock, int fd) char ch = '\0'; ssize_t n; #ifndef HAVE_ACCRIGHTS_IN_MSGHDR - char tmp[CMSG_SPACE(sizeof(int))]; + union { + struct cmsghdr hdr; + char tmp[CMSG_SPACE(sizeof(int))]; + } tmp; struct cmsghdr *cmsg; #endif @@ -58,7 +61,7 @@ mm_send_fd(int sock, int fd) msg.msg_accrights = (caddr_t)&fd; msg.msg_accrightslen = sizeof(fd); #else - msg.msg_control = (caddr_t)tmp; + msg.msg_control = (caddr_t)&tmp; msg.msg_controllen = CMSG_LEN(sizeof(int)); cmsg = CMSG_FIRSTHDR(&msg); cmsg->cmsg_len = CMSG_LEN(sizeof(int)); @@ -100,7 +103,10 @@ mm_receive_fd(int sock) char ch; int fd; #ifndef HAVE_ACCRIGHTS_IN_MSGHDR - char tmp[CMSG_SPACE(sizeof(int))]; + union { + char tmp[CMSG_SPACE(sizeof(int))]; + struct cmsghdr hdr; + } tmp; struct cmsghdr *cmsg; #endif @@ -113,7 +119,7 @@ mm_receive_fd(int sock) msg.msg_accrights = (caddr_t)&fd; msg.msg_accrightslen = sizeof(fd); #else - msg.msg_control = tmp; + msg.msg_control = &tmp; msg.msg_controllen = sizeof(tmp); #endif -- cgit v1.2.1