diff options
Diffstat (limited to 'sysdeps/generic/ifreq.c')
-rw-r--r-- | sysdeps/generic/ifreq.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/sysdeps/generic/ifreq.c b/sysdeps/generic/ifreq.c deleted file mode 100644 index 55e833bdb3..0000000000 --- a/sysdeps/generic/ifreq.c +++ /dev/null @@ -1,80 +0,0 @@ -/* Copyright (C) 1999, 2002, 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Andreas Jaeger <aj@suse.de>. - - 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 "ifreq.h" - - -void -__ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) -{ - int fd = sockfd; - struct ifconf ifc; - int rq_len; - int nifs; -# define RQ_IFS 4 - - if (fd < 0) - fd = __opensock (); - if (fd < 0) - { - *num_ifs = 0; - *ifreqs = NULL; - return; - } - - ifc.ifc_buf = NULL; - rq_len = RQ_IFS * sizeof (struct ifreq) / 2; /* Doubled in the loop. */ - do - { - ifc.ifc_len = rq_len *= 2; - void *newp = realloc (ifc.ifc_buf, ifc.ifc_len); - if (newp == NULL || __ioctl (fd, SIOCGIFCONF, &ifc) < 0) - { - free (ifc.ifc_buf); - - if (fd != sockfd) - __close (fd); - *num_ifs = 0; - *ifreqs = NULL; - return; - } - ifc.ifc_buf = newp; - } - while (rq_len < sizeof (struct ifreq) + ifc.ifc_len); - - if (fd != sockfd) - __close (fd); - -#ifdef _HAVE_SA_LEN - struct ifreq *ifr = *ifreqs; - nifs = 0; - while ((char *) ifr < ifc.ifc_buf + ifc.ifc_len) - { - ++nifs; - ifr = __if_nextreq (ifr); - if (ifr == NULL) - break; - } -#else - nifs = ifc.ifc_len / sizeof (struct ifreq); -#endif - - *num_ifs = nifs; - *ifreqs = realloc (ifc.ifc_buf, nifs * sizeof (struct ifreq)); -} |