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authorUlrich Drepper <drepper@redhat.com>2003-06-11 23:22:36 +0000
committerUlrich Drepper <drepper@redhat.com>2003-06-11 23:22:36 +0000
commit9c7ff11a5cd628ffbe31a7b2de3027ec5b030d8b (patch)
treeea5cb10211192245fd1b92b9b2f07a3d045f3548 /sysdeps/unix/sysv/linux/ifreq.c
parentdd9423a67a7650a9b0f50d8151e4f3797c5a14f8 (diff)
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Update.
2003-06-11  Ulrich Drepper  <drepper@redhat.com>

	* time/tzfile.c: Add a couple of __builtin_expect.

	Remove warnings gcc 3.3 shows.
	* argp/argp-help.c (hol_entry_short_iterate): Don't inline.
	* elf/dl-load.c (fillin_rpath): Likewise.
	(add_path): Likewise.
	* elf/dl-version.c (find_needed): Always inline.
	* elf/do-lookup.c (FCT): Don't inline.
	* iconv/Makefile: Extend vpath to intl subdir.
	(iconvconfig-modules): Add hash-string.
	* iconv/gconv_charset.h (strip): Don't inline.
	(upstr): Always inline.
	Move __gconv_compare_alias prototype to...
	* iconv/gconv_int.h: ...here.
	* iconv/gconv_db.c: Don't include gconv_charset.h.
	* iconv/gconv_conf.c (add_alias): Don't inline.
	(insert_module): Likewise.
	* iconv/gconv_simple.c (internal_ucs4_loop): Always inline.
	(internal_ucs4_loop_unaligned): Likewise.
	(internal_ucs4_loop_single): Likewise.
	(ucs4_internal_loop): Likewise.
	(ucs4_internal_loop_unaligned): Likewise.
	(ucs4_internal_loop_single): Likewise.
	(internal_ucs4le_loop): Always inline.
	(internal_ucs4le_loop_unaligned): Likewise.
	(internal_ucs4le_loop_single): Likewise.
	(ucs4le_internal_loop): Likewise.
	(ucs4le_internal_loop_unaligned): Likewise.
	(ucs4le_internal_loop_single): Likewise.
	* iconv/loop.c: Always inline the defined functions.
	* iconvdata/cns11642.h: Likewise.
	* iconvdata/cns11642l1.h: Likewise.
	* iconvdata/euc-kr.c: Likewise.
	* iconvdata/gb2312.h: Likewise.
	* iconvdata/jis0201.h: Likewise.
	* iconvdata/jis0208.h: Likewise.
	* iconvdata/jis0212.h: Likewise.
	* iconvdata/jisx0213.h: Likewise.
	* iconvdata/ksc5601.h: Likewise.
	* iconvdata/utf-7.c (base64): Don't inline.
	* include/libc-symbols.h (symbol_set_first_element): Add cast
	(symbol_set_end_p): Likewise.
	* include/set-hooks (RUN_HOOK): Likewise.
	* inet/Makefile (aux): Add ifreq.
	* intl/Makefile (aux): Add some entries from routines.  Add
	hash-string.
	* intl/hash-string.c: New file.
	* intl/hash-string.h: Remove hash_string definition.  Declare
	__hash_string.
	* iconv/gconv_cache.c (find_module_idx): Adjust hash_string caller.
	* iconv/iconvconfig.c (new_name): Likewise.
	* intl/dcigettext.c (_nl_find_msg): Likewise.
	* intl/loadmsgcat.c (_nl_load_domain): Likewise.
	* io/ftw.c (open_dir_stream): Always inline.
	(process_entry): Don't inline.
	* locale/findlocale.c: Include gconv_int.h.
	* locale/setlocale.c (new_composite_name): Don't inline.
	* locale/weight.h (findidx): Always inline.
	* locale/weightwc.h (findidx): Likewise.
	* locale/programs/linereader.c (lr_ignore_rest): Define here.
	* locale/programs/linereader.h (lr_ignore_rest): Don't define here,
	just declare it.
	(lr_getc): Always inline.
	(lr_ungetc): Likewise.
	* nss/nss_files/files-parse.c (parse_list): Likewise.
	* stdio-common/Makefile (aux): Add printf-parsemb and
	printf-parsewc.
	* stdio-common/_itoa.h (_itoa_word): Always inline.
	(_fitoa_word, _fitoa): Don't define here, only declare.
	* stdio-common/_itoa.c (_iftoa_word): Add here.
	(_fitoa): Likewise.
	* stdio-common/_itowa.h (_itowa_word): Always inline.
	* stdio-common/printf-parse.h (read_int): Don't inline.
	(find_spec): Don't define.
	Declare __find_specmb and __find_specwc.
	(parse_one_spec): Don't define.
	Declare __parse_one_specmb and __parse_one_specwc.
	* stdio-common/printf-parsemb.c: New file.
	* stdio-common/printf-parsewc.c: New file.
	* stdio-common/vfprintf.c: Update calls to find_spec and
	parse_one_spec for new names.
	* stdio-common/printf-prs.c: Likewise.  Define DONT_NEED_READ_INT.
	* stdlib/Makefile (aux): Add grouping and groupingwc.
	* stdlib/grouping.c: New file.
	* stdlib/groupingwc.c: New file.
	* stdlib/grouping.h (correctly_grouped_prefix): Don't define here.
	Just prototype.
	* stdlib/rpmatch.c (try): Don't inline.
	* stdlib/strtod.c (round_and_return): Don't line.
	(str_to_mpn): Likewise.
	(__mpn_lshift_1): Always inline.  Optimize only for constant count.
	Adjust for name change of correctly_grouped_prefix.
	* sysdeps/generic/strtol.c: Adjust for name change of
	correctly_grouped_prefix.
	* string/strxfrm.c (utf8_encode): Don't inline.
	* sysdeps/generic/dl-cache.c: Define _dl_cache_libcmp.
	* sysdeps/generic/dl-cache.h: Just declare _dl_cache_libcmp.
	* sysdeps/generic/ifreq.c: New file.
	* sysdeps/unix/sysv/linux/ifreq.c: New file.
	* sysdeps/generic/ifreq.h (__ifreq): Only declare here.
	* sysdeps/unix/sysv/linux/ifreq.h: Likewise.
	* sysdeps/generic/ldsodefs.h (_dl_name_match_p): Always inline.
	* sysdeps/generic/unwind-dw2-fde.c (start_fde_sort): Don't inline.
	(fde_split): Likewise.
	(fde_merge): Likewise.
	(end_fde_sort): Likewise.
	(init_object): Likewise.
	(binary_search_unencoded_fdes): Likewise.
	(binary_search_single_encoding_fdes): Likewise.
	(binary_search_mixed_encoding_fdes): Likewise.
	* sysdeps/generic/wordexp.c (w_addchar): Don't inline.
	* sysdeps/i386/dl-machine.c (elf_machine_runtime_setup): Always inline.
	* sysdeps/posix/sprofil.c (profil_count): Don't inline.
	* sysdeps/unix/sysv/linux/Makefile [subdir=io] (sysdep_routines):
	Add xstatconv.
	* sysdeps/unix/sysv/linux/xstatconv.h: New file.
	* sysdeps/unix/sysv/linux/xstatconv.c: Don't inline the function.
	Export them.  Prepend __ to name.
	* sysdeps/unix/sysv/linux/Dist: Add xstatconv.h.
	* sysdeps/unix/sysv/linux/fxstat.c: Adjust for name change of
	conversion functions.
	* sysdeps/unix/sysv/linux/fxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/pathconf.c (__statfs_link_max,
	__statfs_filesize_max, __statfs_symlinks): Define here.  __ prepended
	to name.  Change callers.
	* sysdeps/unix/sysv/linux/pathconf.h (__statfs_link_max,
	__statfs_filesize_max, __statfs_symlinks): Don't define here, just
	declare.
	* sysdeps/unix/sysv/linux/fpathconf.c: Change all callers.
	* time/tzfile.c (decode): Always inline.
	* wcsmbs/wcsnrtombs.c: Change type of inbuf to unsigned char*.
	Remove cast in tomb function call.
	* wcsmbs/wcsrtombs.c Likewise.
	* wcsmbs/wcstob.c: Introduce new temp variable to take pointer in
	tomb function call.
Diffstat (limited to 'sysdeps/unix/sysv/linux/ifreq.c')
-rw-r--r--sysdeps/unix/sysv/linux/ifreq.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ifreq.c b/sysdeps/unix/sysv/linux/ifreq.c
new file mode 100644
index 0000000000..ad408df070
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/ifreq.c
@@ -0,0 +1,93 @@
+/* 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>.
+
+   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;
+
+  /* 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));
+}