diff options
| -rw-r--r-- | util-linux/fdisk.c | 116 |
1 files changed, 6 insertions, 110 deletions
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c index 11da771..291be4b 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); } |