Add strnlen function for non-glibc systems, as one of Fedora's patches requires it.

--- bash-3.0/configure.in
+++ bash-3.0/configure.in
@@ -613,6 +613,9 @@
   AC_LIBOBJ(vprint)
 fi
 
+AC_CHECK_FUNCS([strnlen])
+AC_LIBOBJ(strnlen)
+
 dnl signal stuff
 AC_TYPE_SIGNAL
 
--- /dev/null
+++ bash-3.0/lib/sh/strnlen.c
@@ -0,0 +1,27 @@
+/*
+  Copyright (C) 2005 Gentoo Foundation
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License
+  as published by the Free Software Foundation; either version 2
+  of the License, or (at your option) any later version.
+
+  This program 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 General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, US
+*/
+
+#include <stdlib.h>
+
+size_t strnlen(const char *s, size_t n)
+{
+        int i;
+        for (i=0; s[i] && i<n; i++)
+                /* noop */ ;
+        return i;
+}
--- bash-3.0/configure
+++ bash-3.0/configure
@@ -10696,9 +10696,127 @@ _ACEOF
 fi
 
 if test "$ac_cv_func_vprintf" = no && test "$ac_cv_func__doprnt" = "yes"; then
-  LIBOBJS="$LIBOBJS vprint.$ac_objext"
+  case $LIBOBJS in
+    "vprint.$ac_objext"   | \
+  *" vprint.$ac_objext"   | \
+    "vprint.$ac_objext "* | \
+  *" vprint.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS vprint.$ac_objext" ;;
+esac
+
 fi
 
+
+for ac_func in strnlen
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+case $LIBOBJS in
+    "strnlen.$ac_objext"   | \
+  *" strnlen.$ac_objext"   | \
+    "strnlen.$ac_objext "* | \
+  *" strnlen.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS strnlen.$ac_objext" ;;
+esac
+
+
 echo "$as_me:$LINENO: checking return type of signal handlers" >&5
 echo $ECHO_N "checking return type of signal handlers... $ECHO_C" >&6
 if test "${ac_cv_type_signal+set}" = set; then