Adds natspec support for automatic charset/codepage enriching
Vitaly Lipatov <lav@etersoft.ru>

--- /home/lav/work/build/BUILD/util-linux-2.12p/mount/Makefile	2005-02-26 15:18:00 +0300
+++ mount/Makefile	2005-02-20 03:51:40 +0300
@@ -25,6 +25,10 @@
 BLKID_LIB = -lblkid -luuid
 endif
 
+ifeq "$(HAVE_NATSPEC)" "yes"
+BLKID_LIB := $(BLKID_LIB) -lnatspec
+endif
+
 PROGS = $(SUID_PROGS) $(NOSUID_PROGS)
 
 MAYBE = pivot_root swapoff

--- /home/lav/work/build/BUILD/util-linux-2.12p/configure	2005-02-25 12:06:02 +0300
+++ configure	2005-02-25 12:03:46 +0300
@@ -747,3 +747,23 @@
         echo "You don't have blkid"
 fi
 rm -f conftest conftest.c
+
+#
+# 16. For mount, do we have natspec?
+# 
+echo '
+#include <natspec.h>
+int main(){ exit(0); natspec_get_filename_encoding(""); }
+' > conftest.c
+LIBS="-lnatspec"
+eval $compile
+LIBS=
+if test -s conftest; then
+        echo "#define HAVE_NATSPEC" >> defines.h
+        echo "HAVE_NATSPEC=yes" >> make_include
+        echo "You have natspec"
+else
+        echo "HAVE_NATSPEC=no" >> make_include
+        echo "You don't have natspec"
+fi
+rm -f conftest conftest.c

--- /home/lav/work/build/BUILD/util-linux-2.12p/mount/mount.c	2005-02-25 12:06:02 +0300
+++ mount/mount.c	2005-02-25 12:03:07 +0300
@@ -45,6 +45,10 @@
 #include "setproctitle.h"
 #endif
 
+#ifdef HAVE_NATSPEC
+#include <natspec.h>
+#endif
+
 /* True for fake mount (-f).  */
 static int fake = 0;
 
@@ -470,9 +474,10 @@
  */
 static int
 guess_fstype_and_mount(const char *spec, const char *node, const char **types,
-		       int flags, char *mount_opts) {
-   struct mountargs args = { spec, node, NULL, flags & ~MS_NOSYS, mount_opts };
-   
+		       int flags, char **mount_opts) {
+   struct mountargs args = { spec, node, NULL, flags & ~MS_NOSYS, *mount_opts };
+   int ret;
+
    if (*types && strcasecmp (*types, "auto") == 0)
       *types = NULL;
 
@@ -504,13 +509,21 @@
       /* do last type below */
       *types = t;
    }
+#ifdef HAVE_NATSPEC
+   args.data = natspec_get_enriched_fs_options(*types, *mount_opts);
+#endif
 
    if (*types || (flags & MS_REMOUNT)) {
       args.type = *types;
-      return do_mount_syscall (&args);
+      ret = do_mount_syscall (&args);
    }
-
-   return procfsloop(do_mount_syscall, &args, types);
+   else
+      ret = procfsloop(do_mount_syscall, &args, types);
+#ifdef HAVE_NATSPEC
+   my_free(*mount_opts);
+   *mount_opts = args.data;
+#endif
+   return ret;
 }
 
 /*
@@ -819,6 +832,11 @@
 
   suid_check(spec, node, &flags, &user);
 
+#ifdef HAVE_NATSPEC
+  extra_opts = natspec_get_enriched_fs_options(types, extra_opts);
+  my_free(extra_opts1);
+  extra_opts1 = extra_opts;
+#endif
   mount_opts = extra_opts;
 
   if (opt_speed)
@@ -867,8 +885,11 @@
 
   if (!fake)
     mnt5_res = guess_fstype_and_mount (spec, node, &types, flags & ~MS_NOSYS,
-				       mount_opts);
-
+				       &mount_opts);
+#ifdef HAVE_NATSPEC
+  if (mount_opts != extra_opts)
+    extra_opts1 = extra_opts = mount_opts;
+#endif
   if (fake || mnt5_res == 0) {
       /* Mount succeeded, report this (if verbose) and write mtab entry.  */
       if (loop)