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authorEric Andersen <andersen@codepoet.org>2003-07-14 19:03:14 +0000
committerEric Andersen <andersen@codepoet.org>2003-07-14 19:03:14 +0000
commit341170b0124f50eb2030fe3c4b841cc57e190663 (patch)
treeda68354bb2864300b34781fa6ca01a67a5aad48a
parentfeb283a437c94ce32effb4fafc3a3291ad804275 (diff)
downloadbusybox-341170b0124f50eb2030fe3c4b841cc57e190663.tar.gz
Remove all the llseek junk and just use regular old lseek. When DOLFS is
enabled, regular lseek is transparently promoted to lseek64 anyways, rendering the llseek stuff pointless. -Erik
-rw-r--r--util-linux/fdisk.c116
1 files changed, 6 insertions, 110 deletions
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 11da77179..291be4b9b 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -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);
}