Welcome to mirror list, hosted at ThFree Co, Russian Federation.

cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'newlib/libc/sys/linux/net/ifreq.c')
-rw-r--r--newlib/libc/sys/linux/net/ifreq.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/newlib/libc/sys/linux/net/ifreq.c b/newlib/libc/sys/linux/net/ifreq.c
deleted file mode 100644
index 9d6a6121b..000000000
--- a/newlib/libc/sys/linux/net/ifreq.c
+++ /dev/null
@@ -1,100 +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"
-
-/* Variable to signal whether SIOCGIFCONF is not available. */
-#if __ASSUME_SIOCGIFNAME == 0 || 1
-static int old_siocgifconf;
-#else
-# define old_siocgifconf 0
-#endif
-
-
-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;
-
- /* We may be able to get the needed buffer size directly, rather than
- guessing. */
- if (! old_siocgifconf)
- {
- ifc.ifc_buf = NULL;
- ifc.ifc_len = 0;
- if (ioctl (fd, SIOCGIFCONF, &ifc) < 0 || ifc.ifc_len == 0)
- {
-# if __ASSUME_SIOCGIFNAME == 0
- old_siocgifconf = 1;
-# endif
- rq_len = RQ_IFS * sizeof (struct ifreq);
- }
- else
- rq_len = ifc.ifc_len;
- }
- else
- rq_len = RQ_IFS * sizeof (struct ifreq);
-
- /* Read all the interfaces out of the kernel. */
- while (1)
- {
- ifc.ifc_len = rq_len;
- void *newp = realloc (ifc.ifc_buf, ifc.ifc_len);
- if (newp == NULL
- || (ifc.ifc_buf = newp, ioctl (fd, SIOCGIFCONF, &ifc)) < 0)
- {
- free (ifc.ifc_buf);
-
- if (fd != sockfd)
- close (fd);
-
- *num_ifs = 0;
- *ifreqs = NULL;
- return;
- }
-
- if (!old_siocgifconf || ifc.ifc_len < rq_len)
- break;
-
- rq_len *= 2;
- }
-
- nifs = ifc.ifc_len / sizeof (struct ifreq);
-
- if (fd != sockfd)
- close (fd);
-
- *num_ifs = nifs;
- *ifreqs = realloc (ifc.ifc_buf, nifs * sizeof (struct ifreq));
-}