2004-04-04 Yoshinori K. Okuji <okuji@enbug.org>

All symbols prefixed with PUPA_ and pupa_ are renamed to GRUB_
	and grub_, respectively. Because the conversion is trivial and
	mechanical, I omit the details here. Please refer to the CVS
	if you need more information.
This commit is contained in:
okuji 2004-04-04 13:46:03 +00:00
parent 6a1425510d
commit 4b13b216f4
125 changed files with 6198 additions and 6181 deletions

132
kern/fs.c
View file

@ -1,9 +1,9 @@
/* fs.c - filesystem manager */
/*
* PUPA -- Preliminary Universal Programming Architecture for GRUB
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002 Free Software Foundation, Inc.
*
* PUPA is free software; you can redistribute it and/or modify
* GRUB is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
@ -14,35 +14,35 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PUPA; if not, write to the Free Software
* along with GRUB; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <pupa/disk.h>
#include <pupa/net.h>
#include <pupa/fs.h>
#include <pupa/file.h>
#include <pupa/err.h>
#include <pupa/misc.h>
#include <pupa/types.h>
#include <pupa/mm.h>
#include <pupa/term.h>
#include <grub/disk.h>
#include <grub/net.h>
#include <grub/fs.h>
#include <grub/file.h>
#include <grub/err.h>
#include <grub/misc.h>
#include <grub/types.h>
#include <grub/mm.h>
#include <grub/term.h>
static pupa_fs_t pupa_fs_list;
static grub_fs_t grub_fs_list;
void
pupa_fs_register (pupa_fs_t fs)
grub_fs_register (grub_fs_t fs)
{
fs->next = pupa_fs_list;
pupa_fs_list = fs;
fs->next = grub_fs_list;
grub_fs_list = fs;
}
void
pupa_fs_unregister (pupa_fs_t fs)
grub_fs_unregister (grub_fs_t fs)
{
pupa_fs_t *p, q;
grub_fs_t *p, q;
for (p = &pupa_fs_list, q = *p; q; p = &(q->next), q = q->next)
for (p = &grub_fs_list, q = *p; q; p = &(q->next), q = q->next)
if (q == fs)
{
*p = q->next;
@ -51,19 +51,19 @@ pupa_fs_unregister (pupa_fs_t fs)
}
void
pupa_fs_iterate (int (*hook) (const pupa_fs_t fs))
grub_fs_iterate (int (*hook) (const grub_fs_t fs))
{
pupa_fs_t p;
grub_fs_t p;
for (p = pupa_fs_list; p; p = p->next)
for (p = grub_fs_list; p; p = p->next)
if (hook (p))
break;
}
pupa_fs_t
pupa_fs_probe (pupa_device_t device)
grub_fs_t
grub_fs_probe (grub_device_t device)
{
pupa_fs_t p;
grub_fs_t p;
auto int dummy_func (const char *filename, int dir);
int dummy_func (const char *filename __attribute__ ((unused)),
@ -74,22 +74,22 @@ pupa_fs_probe (pupa_device_t device)
if (device->disk)
{
for (p = pupa_fs_list; p; p = p->next)
for (p = grub_fs_list; p; p = p->next)
{
(p->dir) (device, "/", dummy_func);
if (pupa_errno == PUPA_ERR_NONE)
if (grub_errno == GRUB_ERR_NONE)
return p;
if (pupa_errno != PUPA_ERR_BAD_FS)
if (grub_errno != GRUB_ERR_BAD_FS)
return 0;
pupa_errno = PUPA_ERR_NONE;
grub_errno = GRUB_ERR_NONE;
}
}
else if (device->net->fs)
return device->net->fs;
pupa_error (PUPA_ERR_UNKNOWN_FS, "unknown filesystem");
grub_error (GRUB_ERR_UNKNOWN_FS, "unknown filesystem");
return 0;
}
@ -97,31 +97,31 @@ pupa_fs_probe (pupa_device_t device)
/* Block list support routines. */
struct pupa_fs_block
struct grub_fs_block
{
unsigned long offset;
unsigned long length;
};
static pupa_err_t
pupa_fs_blocklist_open (pupa_file_t file, const char *name)
static grub_err_t
grub_fs_blocklist_open (grub_file_t file, const char *name)
{
char *p = (char *) name;
unsigned num = 0;
unsigned i;
pupa_disk_t disk = file->device->disk;
struct pupa_fs_block *blocks;
grub_disk_t disk = file->device->disk;
struct grub_fs_block *blocks;
/* First, count the number of blocks. */
do
{
num++;
p = pupa_strchr (p, ',');
p = grub_strchr (p, ',');
}
while (p);
/* Allocate a block list. */
blocks = pupa_malloc (sizeof (struct pupa_fs_block) * (num + 1));
blocks = grub_malloc (sizeof (struct grub_fs_block) * (num + 1));
if (! blocks)
return 0;
@ -131,10 +131,10 @@ pupa_fs_blocklist_open (pupa_file_t file, const char *name)
{
if (*p != '+')
{
blocks[i].offset = pupa_strtoul (p, &p, 0);
if (pupa_errno != PUPA_ERR_NONE || *p != '+')
blocks[i].offset = grub_strtoul (p, &p, 0);
if (grub_errno != GRUB_ERR_NONE || *p != '+')
{
pupa_error (PUPA_ERR_BAD_FILENAME,
grub_error (GRUB_ERR_BAD_FILENAME,
"invalid file name `%s'", name);
goto fail;
}
@ -143,68 +143,68 @@ pupa_fs_blocklist_open (pupa_file_t file, const char *name)
blocks[i].offset = 0;
p++;
blocks[i].length = pupa_strtoul (p, &p, 0);
if (pupa_errno != PUPA_ERR_NONE
blocks[i].length = grub_strtoul (p, &p, 0);
if (grub_errno != GRUB_ERR_NONE
|| blocks[i].length == 0
|| (*p && *p != ',' && ! pupa_isspace (*p)))
|| (*p && *p != ',' && ! grub_isspace (*p)))
{
pupa_error (PUPA_ERR_BAD_FILENAME,
grub_error (GRUB_ERR_BAD_FILENAME,
"invalid file name `%s'", name);
goto fail;
}
if (disk->total_sectors < blocks[i].offset + blocks[i].length)
{
pupa_error (PUPA_ERR_BAD_FILENAME, "beyond the total sectors");
grub_error (GRUB_ERR_BAD_FILENAME, "beyond the total sectors");
goto fail;
}
file->size += (blocks[i].length << PUPA_DISK_SECTOR_BITS);
file->size += (blocks[i].length << GRUB_DISK_SECTOR_BITS);
p++;
}
blocks[i].length = 0;
file->data = blocks;
return PUPA_ERR_NONE;
return GRUB_ERR_NONE;
fail:
pupa_free (blocks);
return pupa_errno;
grub_free (blocks);
return grub_errno;
}
static pupa_ssize_t
pupa_fs_blocklist_read (pupa_file_t file, char *buf, pupa_ssize_t len)
static grub_ssize_t
grub_fs_blocklist_read (grub_file_t file, char *buf, grub_ssize_t len)
{
struct pupa_fs_block *p;
struct grub_fs_block *p;
unsigned long sector;
unsigned long offset;
pupa_ssize_t ret = 0;
grub_ssize_t ret = 0;
if (len > file->size - file->offset)
len = file->size - file->offset;
sector = (file->offset >> PUPA_DISK_SECTOR_BITS);
offset = (file->offset & (PUPA_DISK_SECTOR_SIZE - 1));
sector = (file->offset >> GRUB_DISK_SECTOR_BITS);
offset = (file->offset & (GRUB_DISK_SECTOR_SIZE - 1));
for (p = file->data; p->length && len > 0; p++)
{
if (sector < p->length)
{
pupa_ssize_t size;
grub_ssize_t size;
size = len;
if (((size + offset + PUPA_DISK_SECTOR_SIZE - 1)
>> PUPA_DISK_SECTOR_BITS) > p->length - sector)
size = ((p->length - sector) << PUPA_DISK_SECTOR_BITS) - offset;
if (((size + offset + GRUB_DISK_SECTOR_SIZE - 1)
>> GRUB_DISK_SECTOR_BITS) > p->length - sector)
size = ((p->length - sector) << GRUB_DISK_SECTOR_BITS) - offset;
if (pupa_disk_read (file->device->disk, p->offset + sector, offset,
size, buf) != PUPA_ERR_NONE)
if (grub_disk_read (file->device->disk, p->offset + sector, offset,
size, buf) != GRUB_ERR_NONE)
return -1;
ret += size;
len -= size;
sector -= ((size + offset) >> PUPA_DISK_SECTOR_BITS);
offset = ((size + offset) & (PUPA_DISK_SECTOR_SIZE - 1));
sector -= ((size + offset) >> GRUB_DISK_SECTOR_BITS);
offset = ((size + offset) & (GRUB_DISK_SECTOR_SIZE - 1));
}
else
sector -= p->length;
@ -213,12 +213,12 @@ pupa_fs_blocklist_read (pupa_file_t file, char *buf, pupa_ssize_t len)
return ret;
}
struct pupa_fs pupa_fs_blocklist =
struct grub_fs grub_fs_blocklist =
{
.name = "blocklist",
.dir = 0,
.open = pupa_fs_blocklist_open,
.read = pupa_fs_blocklist_read,
.open = grub_fs_blocklist_open,
.read = grub_fs_blocklist_read,
.close = 0,
.next = 0
};