2 files changed, 50 insertions, 6 deletions
diff --git a/libc/string/ffs.c b/libc/string/ffs.c
index 22efe4a1e..4a5336d47 100644
--- a/libc/string/ffs.c
+++ b/libc/string/ffs.c
@@ -5,12 +5,12 @@
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
 
-/* ffsl,ffsll */
-
+#include <limits.h>
+#define ffsl __something_else
 #include "_string.h"
-
-
-int ffs(int i)
+#undef ffsl
+  
+int __libc_ffs(int i)
 {
 #if 1
 	/* inlined binary search method */
@@ -51,4 +51,8 @@ int ffs(int i)
 	return n;
 #endif
 }
-libc_hidden_def(ffs)
+libc_hidden_def(__libc_ffs)
+weak_alias(__libc_ffs,ffs)
+#if ULONG_MAX == UINT_MAX
+weak_alias (__libc_ffs, ffsl)
+#endif
diff --git a/libc/string/ffsll.c b/libc/string/ffsll.c
new file mode 100644
index 000000000..29e9ba9d9
--- /dev/null
+++ b/libc/string/ffsll.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 1991, 1992, 1997, 1998 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 ffsl
+
+/* Find the first bit set in I.  */
+int __libc_ffsll (long long int i)
+{
+  unsigned long long int x = i & -i;
+
+  if (x <= 0xffffffff)
+    return __libc_ffs (i);
+  else
+    return 32 + __libc_ffs (i >> 32);
+}
+libc_hidden_def(__libc_ffsll)
+
+weak_alias (__libc_ffsll, ffsll)
+#if ULONG_MAX != UINT_MAX
+weak_alias (__libc_ffsll, ffsl)
+#endif