GRUB-legacy configuration file support.

* Makefile.util.def (grub-menulst2cfg): New util.
	* docs/man/grub-menulst2cfg.h2m: New file.
	* grub-core/Makefile.core.def (legacycfg): New module.
	* grub-core/commands/legacycfg.c: New file.
	* grub-core/commands/menuentry.c (append_menu_entry): Rename to ...
	(grub_normal_add_menu_entry): ... this.
	* grub-core/commands/password.c (grub_cmd_password): Split main part to ...
	(grub_normal_set_password): ...this.
	* grub-core/commands/videoinfo.c (grub_cmd_videoinfo): Support MODE.
	* grub-core/loader/i386/linux.c (linux_vesafb_res): Move to ..,
	* grub-core/lib/i386/pc/vesa_modes_table.c: ... here.
	* grub-core/lib/legacy_parse.c: New file.
	* grub-core/normal/auth.c (grub_cmd_authenticate): New command.
	* include/grub/i386/pc/vesa_modes_table.h: New file.
	* include/grub/legacy_parse.h: Likewise.
	* include/grub/normal.h (grub_normal_add_menu_entry): New proto.
	* util/grub-menulst2cfg.c: New file.

	* grub-core/Makefile.core.def (lsapm): New module.
	* grub-core/commands/i386/pc/lsapm.c: New file.
	* grub-core/loader/i386/multiboot_mbi.c (make_mbi) [GRUB_MACHINE_PCBIOS]: Pass APM info.
	* grub-core/loader/multiboot_mbi2.c (make_mbi) [GRUB_MACHINE_PCBIOS]:
	Likewise.
	* include/grub/i386/pc/apm.h: New file.
	* include/multiboot.h (multiboot_apm_info): New struct.

util/grub-menulst2cfg.c

@@ -0,0 +1,120 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2010  Free Software Foundation, Inc.
+ *
+ *  GRUB 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/legacy_parse.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <grub/util/misc.h>
+
+int
+main (int argc, char **argv)
+{
+  FILE *in, *out;
+  char *entryname = NULL;
+  char *buf = NULL;
+  size_t bufsize = 0;
+  char *suffix = xstrdup ("");
+  int suffixlen = 0;
+
+  if (argc >= 2 && argv[1][0] == '-')
+    {
+      fprintf (stdout, "Usage: %s [INFILE [OUTFILE]]\n", argv[0]);
+      return 0;
+    }
+
+  if (argc >= 2)
+    {
+      in = fopen (argv[1], "r");
+      if (!in)
+	{
+	  fprintf (stderr, "Couldn't open %s for reading: %s\n",
+		   argv[1], strerror (errno));
+	  return 1;
+	}
+    }
+  else
+    in = stdin;
+
+  if (argc >= 3)
+    {
+      out = fopen (argv[2], "w");
+      if (!out)
+	{					
+	  if (in != stdin)
+	    fclose (in);
+	  fprintf (stderr, "Couldn't open %s for writing: %s\n",
+		   argv[2], strerror (errno));
+	  return 1;
+	}
+    }
+  else
+    out = stdout;
+
+  while (1)
+    {
+      char *parsed;
+
+      if (getline (&buf, &bufsize, in) < 0)
+	break;
+
+      {
+	char *oldname = NULL;
+	char *newsuffix;
+
+	oldname = entryname;
+	parsed = grub_legacy_parse (buf, &entryname, &newsuffix);
+	if (newsuffix)
+	  {
+	    suffixlen += strlen (newsuffix);
+	    suffix = xrealloc (suffix, suffixlen + 1);
+	    strcat (suffix, newsuffix);
+	  }
+	if (oldname != entryname && oldname)
+	  fprintf (out, "}\n\n");
+	if (oldname != entryname)
+	  {
+	    char *escaped = grub_legacy_escape (entryname, strlen (entryname));
+	    fprintf (out, "menuentry \'%s\' {\n", escaped);
+	    free (escaped);
+	    free (oldname);
+	  }
+      }
+
+      if (parsed)
+	fprintf (out, "%s%s", entryname ? "  " : "", parsed);
+      free (parsed);
+      parsed = NULL;
+    }
+
+  if (entryname)
+    fprintf (out, "}\n\n");
+
+  fwrite (suffix, 1, suffixlen, out);
+
+  free (buf);
+  free (suffix);
+  free (entryname);
+
+  if (in != stdin)
+    fclose (in);
+  if (out != stdout)
+    fclose (out);
+
+  return 0;
+}