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Use the common size routine in hostfs so we can read disks as well.

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* grub-core/kern/emu/hostdisk.c (grub_util_get_fd_sectors): Rename to ..
	(grub_util_get_fd_size): ... this. Return size in bytes.
	All users updated.
	* grub-core/kern/emu/hostfs.c (grub_hostfs_open): Use
	grub_util_get_fd_size.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2012-02-29 15:23:31 +01:00
parent c66d641020
commit a121c9648e
5 changed files with 24 additions and 13 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2012-02-29 Vladimir Serbinenko <phcoder@gmail.com>
Use the common size routine in hostfs so we can read disks as well.
* grub-core/kern/emu/hostdisk.c (grub_util_get_fd_sectors): Rename to ..
(grub_util_get_fd_size): ... this. Return size in bytes.
All users updated.
* grub-core/kern/emu/hostfs.c (grub_hostfs_open): Use
grub_util_get_fd_size.
2012-02-29 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/kern/emu/hostdisk.c (grub_util_get_fd_sectors) [__APPLE__]:

3
grub-core/disk/geli.c
View file

@ -221,7 +221,8 @@ grub_util_get_geli_uuid (const char *dev)
if (fd < 0)
return NULL;
s = grub_util_get_fd_sectors (fd, dev, &log_secsize);
s = grub_util_get_fd_size (fd, dev, &log_secsize);
s >>= log_secsize;
grub_util_fd_seek (fd, dev, (s << log_secsize) - 512);
uuid = xmalloc (GRUB_MD_SHA256->mdlen * 2 + 1);

15
grub-core/kern/emu/hostdisk.c
View file

@ -240,7 +240,7 @@ grub_util_biosdisk_iterate (int (*hook) (const char *name),
#if !defined(__MINGW32__)
grub_uint64_t
grub_util_get_fd_sectors (int fd, const char *name, unsigned *log_secsize)
grub_util_get_fd_size (int fd, const char *name, unsigned *log_secsize)
{
# if defined(__NetBSD__)
struct disklabel label;
@ -304,16 +304,16 @@ grub_util_get_fd_sectors (int fd, const char *name, unsigned *log_secsize)
*log_secsize = log_sector_size;
# if defined (__APPLE__)
return nr;
return nr << log_sector_size;
# elif defined(__NetBSD__)
return label.d_secperunit;
return label.d_secperunit << log_sector_size;
# elif defined (__sun__)
return minfo.dki_capacity;
return minfo.dki_capacity << log_sector_size;
# else
if (nr & ((1 << log_sector_size) - 1))
grub_util_error ("%s", _("unaligned device size"));
return (nr >> log_sector_size);
return nr;
# endif
fail:
@ -329,7 +329,7 @@ grub_util_get_fd_sectors (int fd, const char *name, unsigned *log_secsize)
if (log_secsize)
*log_secsize = 9;
return st.st_size >> 9;
return st.st_size;
}
#endif
@ -378,8 +378,9 @@ grub_util_biosdisk_open (const char *name, grub_disk_t disk)
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, N_("cannot open `%s': %s"),
map[drive].device, strerror (errno));
disk->total_sectors = grub_util_get_fd_sectors (fd, map[drive].device,
disk->total_sectors = grub_util_get_fd_size (fd, map[drive].device,
&disk->log_sector_size);
disk->total_sectors >>= disk->log_sector_size;
# if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__NetBSD__)
if (fstat (fd, &st) < 0 || ! S_ISCHR (st.st_mode))

5
grub-core/kern/emu/hostfs.c
View file

@ -24,6 +24,7 @@
#include <grub/mm.h>
#include <grub/dl.h>
#include <grub/util/misc.h>
#include <grub/emu/hostdisk.h>
#include <grub/i18n.h>
#include <dirent.h>
@ -132,9 +133,7 @@ grub_hostfs_open (struct grub_file *file, const char *name)
#ifdef __MINGW32__
file->size = grub_util_get_disk_size (name);
#else
fseeko (f, 0, SEEK_END);
file->size = ftello (f);
fseeko (f, 0, SEEK_SET);
file->size = grub_util_get_fd_size (fileno (f), name, NULL);
#endif
return GRUB_ERR_NONE;

2
include/grub/emu/hostdisk.h
View file

@ -59,7 +59,7 @@ grub_hostdisk_os_dev_to_grub_drive (const char *os_dev, int add);
#if !defined(__MINGW32__)
grub_uint64_t
grub_util_get_fd_sectors (int fd, const char *name, unsigned *log_secsize);
grub_util_get_fd_size (int fd, const char *name, unsigned *log_secsize);
#endif
char *