[2267] 2009-06-05 Michael Scherer <[email protected]>

Revision: 2267
          http://svn.sv.gnu.org/viewvc/?view=rev&root=grub&revision=2267
Author:   proski
Date:     2009-06-05 21:00:43 +0000 (Fri, 05 Jun 2009)
Log Message:
-----------
2009-06-05  Michael Scherer  <[email protected]>

	* fs/hfsplus.c (grub_hfsplus_mount): Determine if the filesystem
	uses case sensitive btree.
	(grub_hfsplus_iterate_dir): Use GRUB_FSHELP_CASE_INSENSITIVE
	only for case insensitive filesystems.

Modified Paths:
--------------
    trunk/grub2/ChangeLog
    trunk/grub2/fs/hfsplus.c

Modified: trunk/grub2/ChangeLog
===================================================================
--- trunk/grub2/ChangeLog	2009-06-05 01:28:18 UTC (rev 2266)
+++ trunk/grub2/ChangeLog	2009-06-05 21:00:43 UTC (rev 2267)
@@ -1,3 +1,10 @@
+2009-06-05  Michael Scherer  <[email protected]>
+
+	* fs/hfsplus.c (grub_hfsplus_mount): Determine if the filesystem
+	uses case sensitive btree.
+	(grub_hfsplus_iterate_dir): Use GRUB_FSHELP_CASE_INSENSITIVE
+	only for case insensitive filesystems.
+
 2009-06-05  Vladimir Serbinenko  <[email protected]>
 
 	* conf/i386-pc.rmk (efiemu_mod_CFLAGS): remove -Werror -Wall

Modified: trunk/grub2/fs/hfsplus.c
===================================================================
--- trunk/grub2/fs/hfsplus.c	2009-06-05 01:28:18 UTC (rev 2266)
+++ trunk/grub2/fs/hfsplus.c	2009-06-05 21:00:43 UTC (rev 2267)
@@ -99,6 +99,13 @@
   grub_uint32_t last_leaf_node;
   grub_uint16_t nodesize;
   grub_uint16_t keysize;
+  grub_uint32_t total_nodes;
+  grub_uint32_t free_nodes;
+  grub_uint16_t reserved1;
+  grub_uint32_t clump_size;  /* ignored */
+  grub_uint8_t btree_type;
+  grub_uint8_t key_compare;
+  grub_uint32_t attributes;
 } __attribute__ ((packed));
 
 /* The on disk layout of a catalog key.  */
@@ -164,6 +171,9 @@
     GRUB_HFSPLUS_FILETYPE_REG_THREAD = 4
   };
 
+#define GRUB_HFSPLUSX_BINARYCOMPARE	0xBC
+#define GRUB_HFSPLUSX_CASEFOLDING	0xCF
+
 /* Internal representation of a catalog key.  */
 struct grub_hfsplus_catkey_internal
 {
@@ -224,6 +234,7 @@
   /* This is the offset into the physical disk for an embedded HFS+
      filesystem (one inside a plain HFS wrapper).  */
   int embedded_offset;
+  int case_sensitive;
 };
 
 static grub_dl_t my_mod;
@@ -376,6 +387,7 @@
   struct grub_hfsplus_data *data;
   struct grub_hfsplus_btheader header;
   struct grub_hfsplus_btnode node;
+  grub_uint16_t magic;
   union {
     struct grub_hfs_sblock hfs;
     struct grub_hfsplus_volheader hfsplus;
@@ -423,8 +435,8 @@
 
   /* Make sure this is an HFS+ filesystem.  XXX: Do we really support
      HFX?  */
-  if ((grub_be_to_cpu16 (volheader.hfsplus.magic) != GRUB_HFSPLUS_MAGIC)
-      && (grub_be_to_cpu16 (volheader.hfsplus.magic) != GRUB_HFSPLUSX_MAGIC))
+  magic = grub_be_to_cpu16 (volheader.hfsplus.magic);
+  if ((magic != GRUB_HFSPLUS_MAGIC) && (magic != GRUB_HFSPLUSX_MAGIC))
     {
       grub_error (GRUB_ERR_BAD_FS, "not a HFS+ filesystem");
       goto fail;
@@ -464,6 +476,8 @@
 
   data->catalog_tree.root = grub_be_to_cpu32 (header.root);
   data->catalog_tree.nodesize = grub_be_to_cpu16 (header.nodesize);
+  data->case_sensitive = ((magic == GRUB_HFSPLUSX_MAGIC) &&
+			  (header.key_compare == GRUB_HFSPLUSX_BINARYCOMPARE));
 
   if (! grub_hfsplus_read_file (&data->extoverflow_tree.file, 0,
 				sizeof (struct grub_hfsplus_btnode),
@@ -772,7 +786,8 @@
 	catkey->name[i] = grub_be_to_cpu16 (catkey->name[i]);
 
       /* hfs+ is case insensitive.  */
-      type |= GRUB_FSHELP_CASE_INSENSITIVE;
+      if (! dir->data->case_sensitive)
+	type |= GRUB_FSHELP_CASE_INSENSITIVE;
 
       /* Only accept valid nodes.  */
       if (grub_strlen (filename) == grub_be_to_cpu16 (catkey->namelen))