util/ieee1275/devicemap.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <grub/types.h>
   4 #include <grub/util/deviceiter.h>
   5 #include <grub/util/ofpath.h>
   6 #include <grub/util/misc.h>
   7
   8 /* Since OF path names can have "," characters in them, and GRUB
   9    internally uses "," to indicate partitions (unlike OF which uses
  10    ":" for this purpose) we escape such commas.  */
  11
  12 static char *
  13 escape_of_path (const char *orig_path)
  14 {
  15   char *new_path, *d, c;
  16   const char *p;
  17
  18   if (!strchr (orig_path, ','))
  19     return (char *) orig_path;
  20
  21   new_path = xmalloc (strlen (orig_path) * 2);
  22
  23   p = orig_path;
  24   d = new_path;
  25   while ((c = *p++) != '\0')
  26     {
  27       if (c == ',')
  28         *d++ = '\\';
  29       *d++ = c;
  30     }
  31
  32   free ((char *) orig_path);
  33
  34   return new_path;
  35 }
  36
  37 void
  38 grub_util_emit_devicemap_entry (FILE *fp, char *name, int is_floppy UNUSED,
  39                                 int *num_fd UNUSED, int *num_hd UNUSED)
  40 {
  41   const char *orig_path = grub_util_devname_to_ofpath (name);
  42   char *ofpath = escape_of_path (orig_path);
  43
  44   fprintf(fp, "(%s)\t%s\n", ofpath, name);
  45
  46   free (ofpath);
  47 }