Apple-2gs-SW/hush
1
0
Fork 0
mirror of https://github.com/sheumann/hush.git synced 2024-12-25 18:33:06 +00:00
Code Issues Projects Releases Wiki Activity

Remove all the llseek junk and just use regular old lseek. When DOLFS is

Browse Source 
enabled, regular lseek is transparently promoted to lseek64 anyways, rendering
the llseek stuff pointless.
 -Erik
This commit is contained in:
Eric Andersen 2003-07-14 19:03:14 +00:00
parent feb283a437
commit 341170b012
1 changed files with 6 additions and 110 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

116
util-linux/fdisk.c
View File

@ -838,110 +838,6 @@ typedef struct {
#define SUN_SSWAP32(x) (sun_other_endian ? __swap32(x) \
: (uint32_t)(x))
/*
* llseek.c -- stub calling the llseek system call
*
* Copyright (C) 1994 Remy Card. This file may be redistributed
* under the terms of the GNU Public License.
*/
#ifdef __linux__
#ifdef HAVE_LLSEEK
#include <syscall.h>
#else /* HAVE_LLSEEK */
#if defined(__alpha__) || defined(__ia64__)
#define my_llseek lseek
#else
#include <asm/unistd.h> /* for __NR__llseek */
static int _llseek (unsigned int, unsigned long,
unsigned long, ext2_loff_t *, unsigned int);
#ifdef __NR__llseek
static _syscall5(int,_llseek,unsigned int,f_d,unsigned long,offset_high,
unsigned long, offset_low,ext2_loff_t *,result,
unsigned int, origin)
#else
/* no __NR__llseek on compilation machine - might give it explicitly */
static int _llseek (unsigned int f_d, unsigned long oh,
unsigned long ol, ext2_loff_t *result,
unsigned int origin) {
errno = ENOSYS;
return -1;
}
#endif
static ext2_loff_t my_llseek (unsigned int f_d, ext2_loff_t offset,
unsigned int origin)
{
ext2_loff_t result;
int retval;
retval = _llseek (f_d, ((unsigned long long) offset) >> 32,
((unsigned long long) offset) & 0xffffffff,
&result, origin);
return (retval == -1 ? (ext2_loff_t) retval : result);
}
#endif /* __alpha__ */
#endif /* HAVE_LLSEEK */
static ext2_loff_t ext2_llseek (unsigned int f_d, ext2_loff_t offset,
unsigned int origin)
{
ext2_loff_t result;
static int do_compat = 0;
if (!do_compat) {
result = my_llseek (f_d, offset, origin);
if (!(result == -1 && errno == ENOSYS))
return result;
/*
* Just in case this code runs on top of an old kernel
* which does not support the llseek system call
*/
do_compat = 1;
/*
* Now try ordinary lseek.
*/
}
if ((sizeof(off_t) >= sizeof(ext2_loff_t)) ||
(offset < ((ext2_loff_t) 1 << ((sizeof(off_t)*8) -1))))
return lseek(f_d, (off_t) offset, origin);
errno = EINVAL;
return -1;
}
#else /* !linux */
static ext2_loff_t ext2_llseek (unsigned int f_d, ext2_loff_t offset,
unsigned int origin)
{
if ((sizeof(off_t) < sizeof(ext2_loff_t)) &&
(offset >= ((ext2_loff_t) 1 << ((sizeof(off_t)*8) -1)))) {
errno = EINVAL;
return -1;
}
return lseek (f_d, (off_t) offset, origin);
}
#endif /* linux */
#ifdef CONFIG_FEATURE_OSF_LABEL
/*
Changes:
@ -1466,7 +1362,7 @@ xbsd_write_bootstrap (void)
sector = get_start_sect(xbsd_part);
#endif
if (ext2_llseek (fd, (ext2_loff_t) sector * SECTOR_SIZE, SEEK_SET) == -1)
if (lseek (fd, (ext2_loff_t) sector * SECTOR_SIZE, SEEK_SET) == -1)
fdisk_fatal (unable_to_seek);
if (BSD_BBSIZE != write (fd, disklabelbuffer, BSD_BBSIZE))
fdisk_fatal (unable_to_write);
@ -1634,7 +1530,7 @@ xbsd_readlabel (struct partition *p, struct xbsd_disklabel *d)
sector = 0;
#endif
if (ext2_llseek (fd, (ext2_loff_t) sector * SECTOR_SIZE, SEEK_SET) == -1)
if (lseek (fd, (ext2_loff_t) sector * SECTOR_SIZE, SEEK_SET) == -1)
fdisk_fatal (unable_to_seek);
if (BSD_BBSIZE != read (fd, disklabelbuffer, BSD_BBSIZE))
fdisk_fatal (unable_to_read);
@ -1680,12 +1576,12 @@ xbsd_writelabel (struct partition *p, struct xbsd_disklabel *d)
#if defined (__alpha__) && BSD_LABELSECTOR == 0
alpha_bootblock_checksum (disklabelbuffer);
if (ext2_llseek (fd, (ext2_loff_t) 0, SEEK_SET) == -1)
if (lseek (fd, (ext2_loff_t) 0, SEEK_SET) == -1)
fdisk_fatal (unable_to_seek);
if (BSD_BBSIZE != write (fd, disklabelbuffer, BSD_BBSIZE))
fdisk_fatal (unable_to_write);
#else
if (ext2_llseek (fd, (ext2_loff_t) sector * SECTOR_SIZE + BSD_LABELOFFSET,
if (lseek (fd, (ext2_loff_t) sector * SECTOR_SIZE + BSD_LABELOFFSET,
SEEK_SET) == -1)
fdisk_fatal (unable_to_seek);
if (sizeof (struct xbsd_disklabel) != write (fd, d, sizeof (struct xbsd_disklabel)))
@ -2120,7 +2016,7 @@ sgi_write_table(void)
*/
sgiinfo*info = fill_sgiinfo(); /* fills the block appropriately */
int infostartblock = SGI_SSWAP32( sgilabel->directory[0].vol_file_start );
if( ext2_llseek(fd, (ext2_loff_t)infostartblock*
if( lseek(fd, (ext2_loff_t)infostartblock*
SECTOR_SIZE, SEEK_SET) < 0 )
fdisk_fatal(unable_to_seek);
if( write(fd, info, SECTOR_SIZE) != SECTOR_SIZE )
@ -3517,7 +3413,7 @@ static void fdisk_fatal(enum failure why) {
static void
seek_sector(uint secno) {
ext2_loff_t offset = (ext2_loff_t) secno * sector_size;
if (ext2_llseek(fd, offset, SEEK_SET) == (ext2_loff_t) -1)
if (lseek(fd, offset, SEEK_SET) == (ext2_loff_t) -1)
fdisk_fatal(unable_to_seek);
}