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