Implement hiddenmenu (not tested)

grub-core/commands/legacycfg.c

@@ -37,6 +37,18 @@ legacy_file (const char *filename)
   grub_file_t file;
   char *entryname = NULL, *entrysrc = NULL;
   grub_menu_t menu;
+  char *suffix = grub_strdup ("");
+
+  auto grub_err_t getline (char **line, int cont);
+  grub_err_t getline (char **line, 
+		      int cont __attribute__ ((unused)))
+  {
+    *line = 0;
+    return GRUB_ERR_NONE;
+  }
+
+  if (!suffix)
+    return grub_errno;
 
   file = grub_file_open (filename);
   if (! file)
@@ -68,10 +80,32 @@ legacy_file (const char *filename)
 
       {
 	char *oldname = NULL;
+	int is_suffix;
 
 	oldname = entryname;
-	parsed = grub_legacy_parse (buf, &entryname);
+	parsed = grub_legacy_parse (buf, &entryname, &is_suffix);
 	grub_free (buf);
+	if (is_suffix)
+	  {
+	    char *t;
+	    
+	    t = suffix;
+	    suffix = grub_realloc (suffix, grub_strlen (suffix)
+				       + grub_strlen (parsed) + 1);
+	    if (!suffix)
+	      {
+		grub_free (t);
+		grub_free (entrysrc);
+		grub_free (parsed);
+		grub_free (suffix);
+		return grub_errno;
+	      }
+	    grub_memcpy (entrysrc + grub_strlen (entrysrc), parsed,
+			 grub_strlen (parsed) + 1);
+	    grub_free (parsed);
+	    parsed = NULL;
+	    continue;
+	  }
 	if (oldname != entryname && oldname)
 	  {
 	    const char **args = grub_malloc (sizeof (args[0]));
@@ -88,13 +122,6 @@ legacy_file (const char *filename)
 
       if (parsed && !entryname)
 	{
-	  auto grub_err_t getline (char **line, int cont);
-	  grub_err_t getline (char **line __attribute__ ((unused)), 
-			      int cont __attribute__ ((unused)))
-	  {
-	    return GRUB_ERR_NONE;
-	  }
-
 	  grub_normal_parse_line (parsed, getline);
 	  grub_print_error ();
 	  grub_free (parsed);
@@ -114,6 +141,7 @@ legacy_file (const char *filename)
 		{
 		  grub_free (t);
 		  grub_free (parsed);
+		  grub_free (suffix);
 		  return grub_errno;
 		}
 	      grub_memcpy (entrysrc + grub_strlen (entrysrc), parsed,
@@ -137,6 +165,10 @@ legacy_file (const char *filename)
       grub_normal_add_menu_entry (1, args, NULL, NULL, NULL, NULL, entrysrc);
     }
 
+  grub_normal_parse_line (suffix, getline);
+  grub_print_error ();
+  grub_free (suffix);
+
   if (menu && menu->size)
     grub_show_menu (menu, 1);
 

grub-core/lib/legacy_parse.c

@@ -41,7 +41,8 @@ struct legacy_command
     TYPE_REST_VERBATIM
   } argt[4];
   enum {
-    FLAG_IGNORE_REST = 1
+    FLAG_IGNORE_REST = 1,
+    FLAG_SUFFIX      = 2
   } flags;
   const char *shortdesc;
   const char *longdesc;
@@ -108,7 +109,8 @@ struct legacy_command legacy_commands[] =
      "Halt your system. If APM is available on it, turn off the power using"
      " the APM BIOS, unless you specify the option `--no-apm'."},
     /* FIXME: help unsupported.  */    /* NUL_TERMINATE */
-    /* FIXME: hiddenmenu unsupported.  */
+    {"hiddenmenu", "if sleep -i $timeout; then timeout=0; else timeout=-1; fi\n",
+     0, {}, FLAG_SUFFIX, "", "Hide the menu."},
     {"hide", "parttool '%s' hidden+\n", 1, {TYPE_PARTITION}, 0, "PARTITION",
      "Hide PARTITION by setting the \"hidden\" bit in"
      " its partition type code."},
@@ -354,12 +356,14 @@ is_option (enum arg_type opt, const char *curarg, grub_size_t len)
 }
 
 char *
-grub_legacy_parse (const char *buf, char **entryname)
+grub_legacy_parse (const char *buf, char **entryname, int *suffix)
 {
   const char *ptr;
   const char *cmdname;
   unsigned i, cmdnum;
 
+  *suffix = 0;
+
   for (ptr = buf; *ptr && grub_isspace (*ptr); ptr++);
   if (!*ptr || *ptr == '#')
     return grub_strdup (buf);
@@ -392,6 +396,8 @@ grub_legacy_parse (const char *buf, char **entryname)
   if (cmdnum == ARRAY_SIZE (legacy_commands))
     return grub_xasprintf ("# Unsupported legacy command: %s\n", buf);
 
+  *suffix = !!(legacy_commands[cmdnum].flags & FLAG_SUFFIX);
+
   for (; grub_isspace (*ptr) || *ptr == '='; ptr++);
 
   char *args[ARRAY_SIZE (legacy_commands[0].argt)];

include/grub/legacy_parse.h

@@ -21,7 +21,7 @@
 
 #include <grub/types.h>
 
-char *grub_legacy_parse (const char *buf, char **entryname);
+char *grub_legacy_parse (const char *buf, char **entryname, int *suffix);
 char *grub_legacy_escape (const char *in, grub_size_t len);
 
 #endif

util/grub-menulst2cfg.c

@@ -28,6 +28,9 @@ main (int argc, char **argv)
   char *entryname = NULL;
   char *buf = NULL;
   size_t bufsize = 0;
+  char *suffix = xstrdup ("");
+  int suffixlen = 0;
+  int is_suffix = 0;
 
   if (argc >= 2 && argv[1][0] == '-')
     {
@@ -74,7 +77,14 @@ main (int argc, char **argv)
 	char *oldname = NULL;
 
 	oldname = entryname;
-	parsed = grub_legacy_parse (buf, &entryname);
+	parsed = grub_legacy_parse (buf, &entryname, &is_suffix);
+	if (is_suffix)
+	  {
+	    suffixlen += strlen (parsed);
+	    suffix = xrealloc (suffix, suffixlen + 1);
+	    strcat (suffix, parsed);
+	    continue;
+	  }
 	if (oldname != entryname && oldname)
 	  fprintf (out, "}\n\n");
 	if (oldname != entryname)
@@ -89,6 +99,7 @@ main (int argc, char **argv)
   if (entryname)
     fprintf (out, "}\n\n");
 
+  fwrite (out, 1, suffixlen, suffix);
 
   if (in != stdin)
     fclose (in);