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AFFS never uses unicode.

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* include/grub/charset.h (GRUB_MAX_UTF8_PER_LATIN1): New const.
	(grub_latin1_to_utf8): New inline function.
	* grub-core/fs/affs.c (grub_affs_iterate_dir): Convert latin1 to UTF8.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-12-14 09:52:00 +01:00
parent e7987e1b3b
commit 309e535231
3 changed files with 40 additions and 8 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2011-12-14 Vladimir Serbinenko <phcoder@gmail.com>
AFFS never uses unicode.
* include/grub/charset.h (GRUB_MAX_UTF8_PER_LATIN1): New const.
(grub_latin1_to_utf8): New inline function.
* grub-core/fs/affs.c (grub_affs_iterate_dir): Convert latin1 to UTF8.
2011-12-13 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/fs/romfs.c (grub_romfs_mount): Fix pointer comparison

18
grub-core/fs/affs.c
View file

@ -25,6 +25,7 @@
#include <grub/dl.h>
#include <grub/types.h>
#include <grub/fshelp.h>
#include <grub/charset.h>
GRUB_MOD_LICENSE ("GPLv3+");
@ -292,15 +293,15 @@ grub_affs_iterate_dir (grub_fshelp_node_t dir,
struct grub_affs_data *data = dir->data;
grub_uint32_t *hashtable;
auto int NESTED_FUNC_ATTR grub_affs_create_node (const char *name,
grub_uint32_t block,
auto int NESTED_FUNC_ATTR grub_affs_create_node (grub_uint32_t block,
const struct grub_affs_file *fil);
int NESTED_FUNC_ATTR grub_affs_create_node (const char *name,
grub_uint32_t block,
int NESTED_FUNC_ATTR grub_affs_create_node (grub_uint32_t block,
const struct grub_affs_file *fil)
{
int type;
grub_uint8_t name_u8[sizeof (fil->name) * GRUB_MAX_UTF8_PER_LATIN1 + 1];
node = grub_zalloc (sizeof (*node));
if (!node)
{
@ -322,7 +323,10 @@ grub_affs_iterate_dir (grub_fshelp_node_t dir,
node->di = *fil;
node->parent = dir;
if (hook (name, type, node))
*grub_latin1_to_utf8 (name_u8, fil->name,
grub_min (fil->namelen, sizeof (fil->name))) = '\0';
if (hook ((char *) name_u8, type, node))
{
grub_free (hashtable);
return 1;
@ -377,9 +381,7 @@ grub_affs_iterate_dir (grub_fshelp_node_t dir,
if (grub_errno)
goto fail;
file.name[file.namelen] = '\0';
if (grub_affs_create_node ((char *) (file.name), next, &file))
if (grub_affs_create_node (next, &file))
return 1;
next = grub_be_to_cpu32 (file.next);

22
include/grub/charset.h
View file

@ -118,6 +118,28 @@ grub_utf16_to_utf8 (grub_uint8_t *dest, grub_uint16_t *src,
return dest;
}
#define GRUB_MAX_UTF8_PER_LATIN1 2
/* Convert Latin1 to UTF-8. */
static inline grub_uint8_t *
grub_latin1_to_utf8 (grub_uint8_t *dest, const grub_uint8_t *src,
grub_size_t size)
{
while (size--)
{
if (!(*src & 0x80))
*dest++ = *src;
else
{
*dest++ = (*src >> 6) | 0xC0;
*dest++ = (*src & 0x3F) | 0x80;
}
src++;
}
return dest;
}
/* Convert UCS-4 to UTF-8. */
char *grub_ucs4_to_utf8_alloc (grub_uint32_t *src, grub_size_t size);