From 6c8a2e88d12b7341440ac9669db0448223deb381 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Mon, 21 Feb 2011 16:53:10 -0800 Subject: Fix __if_freereq crash: Unlike the generic version which uses free, Hurd needs munmap. --- sysdeps/mach/hurd/ifreq.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 sysdeps/mach/hurd/ifreq.h (limited to 'sysdeps/mach') diff --git a/sysdeps/mach/hurd/ifreq.h b/sysdeps/mach/hurd/ifreq.h new file mode 100644 index 0000000000..92cb7b98dd --- /dev/null +++ b/sysdeps/mach/hurd/ifreq.h @@ -0,0 +1,45 @@ +/* Copyright (C) 1999, 2002, 2003, 2011 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger . + + The GNU C Library is free software; you can redistribute it and/or + 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 + Lesser General Public License for more details. + + 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. */ + +#include +#include +#include +#include +#include +#include +#include + +static inline struct ifreq * +__if_nextreq (struct ifreq *ifr) +{ +#ifdef _HAVE_SA_LEN + if (ifr->ifr_addr.sa_len > sizeof ifr->ifr_addr) + return (struct ifreq *) ((char *) &ifr->ifr_addr + ifr->ifr_addr.sa_len); +#endif + return ifr + 1; +} + +extern void __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd); + + +static inline void +__if_freereq (struct ifreq *ifreqs, int num_ifs) +{ + munmap (ifreqs, num_ifs * sizeof (struct ifreq)); +} -- cgit 1.4.1