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Diffstat (limited to 'sysdeps/unix/sysv/linux/ifreq.h')
-rw-r--r--sysdeps/unix/sysv/linux/ifreq.h74
1 files changed, 2 insertions, 72 deletions
diff --git a/sysdeps/unix/sysv/linux/ifreq.h b/sysdeps/unix/sysv/linux/ifreq.h
index f498e5c32a..9e4f6622e9 100644
--- a/sysdeps/unix/sysv/linux/ifreq.h
+++ b/sysdeps/unix/sysv/linux/ifreq.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>.
@@ -33,77 +33,7 @@ static int old_siocgifconf;
#endif
-static inline 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;
- ifc.ifc_buf = realloc (ifc.ifc_buf, ifc.ifc_len);
- if (ifc.ifc_buf == NULL || __ioctl (fd, SIOCGIFCONF, &ifc) < 0)
- {
- if (ifc.ifc_buf)
- 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));
-}
+extern void __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd);
static inline struct ifreq *
__if_nextreq (struct ifreq *ifr)