diff options
Diffstat (limited to 'sysdeps/generic')
| -rw-r--r-- | sysdeps/generic/ifaddrs.c | 44 | ||||
| -rw-r--r-- | sysdeps/generic/ifreq.h | 18 |
2 files changed, 55 insertions, 7 deletions
diff --git a/sysdeps/generic/ifaddrs.c b/sysdeps/generic/ifaddrs.c new file mode 100644 index 0000000000..7b29aa111c --- /dev/null +++ b/sysdeps/generic/ifaddrs.c @@ -0,0 +1,44 @@ +/* getifaddrs -- get names and addresses of all network interfaces + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 <ifaddrs.h> +#include <errno.h> +#include <stdlib.h> + +/* Create a linked list of `struct ifaddrs' structures, one for each + network interface on the host machine. If successful, store the + list in *IFAP and return 0. On errors, return -1 and set `errno'. */ +int +getifaddrs (struct ifaddrs **ifap) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (getifaddrs) + +void +freeifaddrs (struct ifaddrs *ifa) +{ + if (ifa == NULL) + return; /* a la free, why not? */ + + /* Can't be called properly if getifaddrs never succeeded. */ + abort (); +} +stub_warning (freeifaddrs) diff --git a/sysdeps/generic/ifreq.h b/sysdeps/generic/ifreq.h index 62f3dcfaf9..c96d1c8789 100644 --- a/sysdeps/generic/ifreq.h +++ b/sysdeps/generic/ifreq.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1999 Free Software Foundation, Inc. +/* Copyright (C) 1999,2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>. @@ -26,15 +26,17 @@ static inline void -__ifreq (struct ifreq **ifreqs, int *num_ifs) +__ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) { - int fd = __opensock (); + 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; @@ -51,8 +53,9 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs) { if (ifc.ifc_buf) free (ifc.ifc_buf); - - __close (fd); + + if (fd != sockfd) + __close (fd); *num_ifs = 0; *ifreqs = NULL; return; @@ -63,7 +66,8 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs) nifs = ifc.ifc_len / sizeof (struct ifreq); - __close (fd); + if (fd != sockfd) + __close (fd); *num_ifs = nifs; *ifreqs = realloc (ifc.ifc_buf, nifs * sizeof (struct ifreq)); @@ -71,7 +75,7 @@ __ifreq (struct ifreq **ifreqs, int *num_ifs) static inline void -__if_freereq (struct ifreq *ifreqs) +__if_freereq (struct ifreq *ifreqs, int num_ifs) { free (ifreqs); } |