mirror of https://github.com/mirror/busybox.git
The fdisk llseek junk was redundant, since both uClibc and glibc
automatically promote lseek and friends to their 64 bit counterparts when CONFIG_LFS is enabled, since it enables __USE_FILE_OFFSET641_00_stable_10817
parent
75eb90f288
commit
1236631700
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@ -74,14 +74,13 @@ config CONFIG_FDISK
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can be used to list and edit the set of partitions or BSD style
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can be used to list and edit the set of partitions or BSD style
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'disk slices' that are defined on a hard drive.
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'disk slices' that are defined on a hard drive.
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if !CONFIG_LFS
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config FDISK_SUPPORT_LARGE_DISKS
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config FDISK_SUPPORT_LARGE_DISKS
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bool " support over 4GB disks"
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bool " support over 4GB disks"
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default y
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default y
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depends on CONFIG_FDISK
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depends on CONFIG_FDISK
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select CONFIG_LFS
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help
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help
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Enable this option to support large disks > 4GB.
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Enable this option to support large disks > 4GB.
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endif
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config CONFIG_FEATURE_FDISK_WRITABLE
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config CONFIG_FEATURE_FDISK_WRITABLE
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bool " Write support"
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bool " Write support"
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@ -93,7 +93,7 @@
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#endif
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#endif
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#if defined(CONFIG_LFS) || defined(FDISK_SUPPORT_LARGE_DISKS) || defined(__alpha__) || defined(__ia64__) || defined(__s390x__)
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#if defined(CONFIG_LFS) || defined(__alpha__) || defined(__ia64__) || defined(__s390x__)
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typedef long long fdisk_loff_t;
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typedef long long fdisk_loff_t;
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#else
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#else
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typedef long fdisk_loff_t;
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typedef long fdisk_loff_t;
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@ -846,71 +846,6 @@ typedef struct {
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#define SUN_SSWAP32(x) (sun_other_endian ? __swap32(x) \
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#define SUN_SSWAP32(x) (sun_other_endian ? __swap32(x) \
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: (uint32_t)(x))
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: (uint32_t)(x))
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#if defined(CONFIG_LFS) || defined(FDISK_SUPPORT_LARGE_DISKS)
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/*
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* llseek.c -- stub calling the llseek system call
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*
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* Copyright (C) 1994 Remy Card. This file may be redistributed
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* under the terms of the GNU Public License.
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*/
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#if defined(__alpha__) || defined(__ia64__) || defined(__s390x__)
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#define my_llseek lseek
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#else
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#include <syscall.h>
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static fdisk_loff_t my_llseek (unsigned int f_d, fdisk_loff_t offset,
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unsigned int origin)
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{
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fdisk_loff_t result;
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int retval;
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retval = syscall(__NR__llseek, f_d, (unsigned long)(((unsigned long long) offset) >> 32),
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(unsigned long)(((unsigned long long) offset) & 0xffffffff),
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&result, origin);
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return (retval == -1 ? (fdisk_loff_t) retval : result);
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}
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#endif /* __alpha__ */
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static fdisk_loff_t fdisk_llseek (unsigned int f_d, fdisk_loff_t offset,
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unsigned int origin)
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{
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fdisk_loff_t result;
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static int do_compat = 0;
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if (!do_compat) {
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result = my_llseek (f_d, offset, origin);
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if (!(result == -1 && errno == ENOSYS))
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return result;
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/*
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* Just in case this code runs on top of an old kernel
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* which does not support the llseek system call
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*/
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do_compat = 1;
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/*
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* Now try ordinary lseek.
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*/
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}
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if ((sizeof(off_t) >= sizeof(fdisk_loff_t)) ||
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(offset < ((fdisk_loff_t) 1 << ((sizeof(off_t)*8) -1))))
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return lseek(f_d, (off_t) offset, origin);
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errno = EINVAL;
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return -1;
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}
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#else
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# define fdisk_llseek lseek
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#endif /* FDISK_SUPPORT_LARGE_DISKS */
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#ifdef CONFIG_FEATURE_OSF_LABEL
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#ifdef CONFIG_FEATURE_OSF_LABEL
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/*
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/*
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@ -1437,7 +1372,7 @@ xbsd_write_bootstrap (void)
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sector = get_start_sect(xbsd_part);
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sector = get_start_sect(xbsd_part);
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#endif
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#endif
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if (fdisk_llseek (fd, (fdisk_loff_t) sector * SECTOR_SIZE, SEEK_SET) == -1)
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if (lseek (fd, (fdisk_loff_t) sector * SECTOR_SIZE, SEEK_SET) == -1)
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fdisk_fatal (unable_to_seek);
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fdisk_fatal (unable_to_seek);
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if (BSD_BBSIZE != write (fd, disklabelbuffer, BSD_BBSIZE))
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if (BSD_BBSIZE != write (fd, disklabelbuffer, BSD_BBSIZE))
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fdisk_fatal (unable_to_write);
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fdisk_fatal (unable_to_write);
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@ -1605,7 +1540,7 @@ xbsd_readlabel (struct partition *p, struct xbsd_disklabel *d)
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sector = 0;
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sector = 0;
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#endif
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#endif
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if (fdisk_llseek (fd, (fdisk_loff_t) sector * SECTOR_SIZE, SEEK_SET) == -1)
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if (lseek (fd, (fdisk_loff_t) sector * SECTOR_SIZE, SEEK_SET) == -1)
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fdisk_fatal (unable_to_seek);
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fdisk_fatal (unable_to_seek);
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if (BSD_BBSIZE != read (fd, disklabelbuffer, BSD_BBSIZE))
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if (BSD_BBSIZE != read (fd, disklabelbuffer, BSD_BBSIZE))
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fdisk_fatal (unable_to_read);
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fdisk_fatal (unable_to_read);
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@ -1651,12 +1586,12 @@ xbsd_writelabel (struct partition *p, struct xbsd_disklabel *d)
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#if defined (__alpha__) && BSD_LABELSECTOR == 0
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#if defined (__alpha__) && BSD_LABELSECTOR == 0
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alpha_bootblock_checksum (disklabelbuffer);
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alpha_bootblock_checksum (disklabelbuffer);
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if (fdisk_llseek (fd, (fdisk_loff_t) 0, SEEK_SET) == -1)
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if (lseek (fd, (fdisk_loff_t) 0, SEEK_SET) == -1)
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fdisk_fatal (unable_to_seek);
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fdisk_fatal (unable_to_seek);
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if (BSD_BBSIZE != write (fd, disklabelbuffer, BSD_BBSIZE))
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if (BSD_BBSIZE != write (fd, disklabelbuffer, BSD_BBSIZE))
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fdisk_fatal (unable_to_write);
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fdisk_fatal (unable_to_write);
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#else
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#else
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if (fdisk_llseek (fd, (fdisk_loff_t) sector * SECTOR_SIZE + BSD_LABELOFFSET,
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if (lseek (fd, (fdisk_loff_t) sector * SECTOR_SIZE + BSD_LABELOFFSET,
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SEEK_SET) == -1)
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SEEK_SET) == -1)
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fdisk_fatal (unable_to_seek);
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fdisk_fatal (unable_to_seek);
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if (sizeof (struct xbsd_disklabel) != write (fd, d, sizeof (struct xbsd_disklabel)))
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if (sizeof (struct xbsd_disklabel) != write (fd, d, sizeof (struct xbsd_disklabel)))
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@ -2083,7 +2018,7 @@ sgi_write_table(void) {
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*/
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*/
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sgiinfo *info = fill_sgiinfo();
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sgiinfo *info = fill_sgiinfo();
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int infostartblock = SGI_SSWAP32(sgilabel->directory[0].vol_file_start);
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int infostartblock = SGI_SSWAP32(sgilabel->directory[0].vol_file_start);
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if (fdisk_llseek(fd, (long long)infostartblock*
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if (lseek(fd, (long long)infostartblock*
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SECTOR_SIZE, SEEK_SET) < 0)
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SECTOR_SIZE, SEEK_SET) < 0)
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fdisk_fatal(unable_to_seek);
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fdisk_fatal(unable_to_seek);
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if (write(fd, info, SECTOR_SIZE) != SECTOR_SIZE)
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if (write(fd, info, SECTOR_SIZE) != SECTOR_SIZE)
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@ -3467,7 +3402,7 @@ static void fdisk_fatal(enum failure why) {
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static void
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static void
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seek_sector(uint secno) {
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seek_sector(uint secno) {
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fdisk_loff_t offset = (fdisk_loff_t) secno * sector_size;
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fdisk_loff_t offset = (fdisk_loff_t) secno * sector_size;
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if (fdisk_llseek(fd, offset, SEEK_SET) == (fdisk_loff_t) -1)
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if (lseek(fd, offset, SEEK_SET) == (fdisk_loff_t) -1)
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fdisk_fatal(unable_to_seek);
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fdisk_fatal(unable_to_seek);
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}
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}
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