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2009-06-05 Michael Scherer <misc@mandriva.org>

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* 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.
This commit is contained in:
proski 2009-06-05 21:00:43 +00:00
parent 8ee1e0d939
commit 408305be7a
2 changed files with 25 additions and 3 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2009-06-05 Michael Scherer <misc@mandriva.org>
* 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 <phcoder@gmail.com>
* conf/i386-pc.rmk (efiemu_mod_CFLAGS): remove -Werror -Wall

21
fs/hfsplus.c
View file

@ -99,6 +99,13 @@ struct grub_hfsplus_btheader
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 @@ enum grub_hfsplus_filetype
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 @@ struct grub_hfsplus_data
/* 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 @@ grub_hfsplus_mount (grub_disk_t disk)
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 @@ grub_hfsplus_mount (grub_disk_t disk)
/* 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 @@ grub_hfsplus_mount (grub_disk_t disk)
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 @@ grub_hfsplus_iterate_dir (grub_fshelp_node_t dir,
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))