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Diffstat (limited to 'sysdeps/unix/sysv/linux/ifreq.c')
-rw-r--r--sysdeps/unix/sysv/linux/ifreq.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/sysdeps/unix/sysv/linux/ifreq.c b/sysdeps/unix/sysv/linux/ifreq.c
deleted file mode 100644
index d941ba1a93..0000000000
--- a/sysdeps/unix/sysv/linux/ifreq.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/* Copyright (C) 1999-2017 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, see
- <http://www.gnu.org/licenses/>. */
-
-#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;
-
- /* We may be able to get the needed buffer size directly, rather than
- guessing. */
- ifc.ifc_buf = NULL;
- ifc.ifc_len = 0;
- if (__ioctl (fd, SIOCGIFCONF, &ifc) < 0 || ifc.ifc_len == 0)
- rq_len = RQ_IFS * sizeof (struct ifreq);
- else
- rq_len = ifc.ifc_len;
-
- /* Read all the interfaces out of the kernel. */
- 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;
- }
-
- nifs = ifc.ifc_len / sizeof (struct ifreq);
-
- if (fd != sockfd)
- __close (fd);
-
- *num_ifs = nifs;
- *ifreqs = realloc (ifc.ifc_buf, nifs * sizeof (struct ifreq));
-}