about summary refs log tree commit diff
path: root/sysdeps/generic/ffs.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/ffs.c')
-rw-r--r--sysdeps/generic/ffs.c55
1 files changed, 0 insertions, 55 deletions
diff --git a/sysdeps/generic/ffs.c b/sysdeps/generic/ffs.c
deleted file mode 100644
index 06a1542bd9..0000000000
--- a/sysdeps/generic/ffs.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/* Copyright (C) 1991, 1992, 1997, 1998, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Torbjorn Granlund (tege@sics.se).
-
-   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 <limits.h>
-#define ffsl __something_else
-#include <string.h>
-
-#undef	ffs
-
-/* Find the first bit set in I.  */
-int
-__ffs (i)
-     int i;
-{
-  static const unsigned char table[] =
-    {
-      0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
-      6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-      7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-      7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-      8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
-      8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
-      8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
-      8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
-    };
-  unsigned int a;
-  unsigned int x = i & -i;
-
-  a = x <= 0xffff ? (x <= 0xff ? 0 : 8) : (x <= 0xffffff ?  16 : 24);
-
-  return table[x >> a] + a;
-}
-weak_alias (__ffs, ffs)
-libc_hidden_builtin_def (ffs)
-
-#if ULONG_MAX == UINT_MAX
-#undef ffsl
-weak_alias (__ffs, ffsl)
-#endif