--- grub-0.90/stage2/stage2.c.append	Thu Dec 20 08:20:48 2001

+++ grub-0.90/stage2/stage2.c	Thu Dec 20 17:01:20 2001

@@ -500,7 +500,8 @@

 	  if (config_entries)

 	    printf ("\

       Press enter to boot the selected OS, \'e\' to edit the\n\

-      commands before booting, or \'c\' for a command-line.");

+      commands before booting, \'a\' to modify the kernel arguments\n\

+      before booting, or \'c\' for a command-line.");

 	  else

 	    printf ("\

       Press \'b\' to boot, \'e\' to edit the selected command in the\n\

@@ -787,6 +788,98 @@

 		  enter_cmdline (heap, 0);

 		  goto restart;

 		}

+	      if (config_entries && c == 'a')

+		{

+		  int new_num_entries = 0, i = 0, j;

+		  int needs_padding, amount;

+		  char *new_heap;

+		  char * entries;

+		  char * entry_copy;

+		  char * append_line;

+		  char * start;

+

+		  entry_copy = new_heap = heap;

+		  cur_entry = get_entry (config_entries, first_entry + entryno,

+					 1);

+		  

+		  do

+		    {

+		      while ((*(new_heap++) = cur_entry[i++]) != 0);

+		      new_num_entries++;

+		    }

+		  while (config_entries && cur_entry[i]);

+

+		  /* this only needs to be done if config_entries is non-NULL,

+		     but it doesn't hurt to do it always */

+		  *(new_heap++) = 0;

+

+		  new_heap = heap + NEW_HEAPSIZE + 1;

+

+		  entries = entry_copy;

+		  while (*entries) 

+		    {

+		      if ((strstr(entries, "kernel") == entries) &&

+			  isspace(entries[6])) 

+			  break;

+

+		      while (*entries) entries++;

+		      entries++;

+		    }

+

+		  if (!*entries)

+		      goto restart;

+

+		  start = entries + 6;

+

+		  /* skip the white space */

+		  while (*start && isspace(*start)) start++;

+		  /* skip the kernel name */

+		  while (*start && !isspace(*start)) start++;

+

+		  /* skip the white space */

+		  needs_padding = (!*start || !isspace(*start));

+		  while (*start && isspace(*start)) start++;

+

+		  append_line = new_heap;

+		  grub_strcpy(append_line, start);

+

+		  cls();

+		  print_cmdline_message (CMDLINE_EDIT_MODE);

+

+		  if (get_cmdline(PACKAGE " append> ", 

+				    append_line, NEW_HEAPSIZE + 1, 

+				    0, 1))

+		      goto restart;

+

+		  /* have new args; append_line points to the

+		     new args and start points to the old

+		     args */

+

+		  i = grub_strlen(start);

+		  j = grub_strlen(append_line);

+

+		  if (i > (j + needs_padding))

+		      amount = i;

+		  else

+		      amount = j + needs_padding;

+

+		  /* align rest of commands properly */

+		  memmove (start + j + needs_padding, start + i,

+		       ((int) append_line) - ((int) start) - (amount));

+

+		  if (needs_padding)

+		      *start = ' ';

+

+		  /* copy command to correct area */

+		  memmove (start + needs_padding, append_line, j);

+

+		  /* set up this entry to boot */

+		  config_entries = NULL;

+		  cur_entry = entry_copy;

+		  heap = new_heap;

+

+		  break;

+		}

 #ifdef GRUB_UTIL

 	      if (c == 'q')

 		{