summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/common/cmsg_nxthdr.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc/sysdeps/linux/common/cmsg_nxthdr.c')
-rw-r--r--libc/sysdeps/linux/common/cmsg_nxthdr.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/libc/sysdeps/linux/common/cmsg_nxthdr.c b/libc/sysdeps/linux/common/cmsg_nxthdr.c
index ce6a298c0..8350c3a4d 100644
--- a/libc/sysdeps/linux/common/cmsg_nxthdr.c
+++ b/libc/sysdeps/linux/common/cmsg_nxthdr.c
@@ -1,21 +1,21 @@
/* Return point to next ancillary data entry in message header.
- Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
#define __FORCE_GLIBC
#include <features.h>
@@ -32,10 +32,10 @@ __cmsg_nxthdr (struct msghdr *mhdr, struct cmsghdr *cmsg)
cmsg = (struct cmsghdr *) ((unsigned char *) cmsg
+ CMSG_ALIGN (cmsg->cmsg_len));
- if ((unsigned char *) (cmsg + 1) >= ((unsigned char *) mhdr->msg_control
- + mhdr->msg_controllen)
+ if ((unsigned char *) (cmsg + 1) > ((unsigned char *) mhdr->msg_control
+ + mhdr->msg_controllen)
|| ((unsigned char *) cmsg + CMSG_ALIGN (cmsg->cmsg_len)
- >= ((unsigned char *) mhdr->msg_control + mhdr->msg_controllen)))
+ > ((unsigned char *) mhdr->msg_control + mhdr->msg_controllen)))
/* No more entries. */
return NULL;
return cmsg;