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author | Mike Frysinger | 2005-06-28 23:50:18 +0000 |
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committer | Mike Frysinger | 2005-06-28 23:50:18 +0000 |
commit | fc379ba077d57e9c03339cbd21da2cad33592db4 (patch) | |
tree | 660202ab4c974731c650b4a633997ccda131eec9 /e2fsprogs/blkid | |
parent | 9e164578f2a93873023d2619c223a6e53951caf4 (diff) | |
download | busybox-fc379ba077d57e9c03339cbd21da2cad33592db4.zip busybox-fc379ba077d57e9c03339cbd21da2cad33592db4.tar.gz |
rip out all the non-linux code and ugly workarounds
Diffstat (limited to 'e2fsprogs/blkid')
-rw-r--r-- | e2fsprogs/blkid/llseek.c | 90 |
1 files changed, 3 insertions, 87 deletions
diff --git a/e2fsprogs/blkid/llseek.c b/e2fsprogs/blkid/llseek.c index b5dde03..82388dd 100644 --- a/e2fsprogs/blkid/llseek.c +++ b/e2fsprogs/blkid/llseek.c @@ -19,70 +19,14 @@ #if HAVE_UNISTD_H #include <unistd.h> #endif -#ifdef __MSDOS__ -#include <io.h> -#endif #include "blkidP.h" -#ifdef __linux__ - -#if defined(HAVE_LSEEK64) && defined(HAVE_LSEEK64_PROTOTYPE) - -#define my_llseek lseek64 - -#elif defined(HAVE_LLSEEK) -#include <syscall.h> - -#ifndef HAVE_LLSEEK_PROTOTYPE -extern long long llseek(int fd, long long offset, int origin); -#endif - -#define my_llseek llseek - -#else /* ! HAVE_LLSEEK */ - -#if defined(__alpha__) || defined(__ia64__) - -#define llseek lseek - -#else /* !__alpha__ && !__ia64__*/ - -#include <linux/unistd.h> - -#ifndef __NR__llseek -#define __NR__llseek 140 -#endif - -#ifndef __i386__ -static int _llseek(unsigned int, unsigned long, unsigned long, - blkid_loff_t *, unsigned int); - -static _syscall5(int, _llseek, unsigned int, fd, unsigned long, offset_high, - unsigned long, offset_low, blkid_loff_t *, result, - unsigned int, origin) -#endif - -static blkid_loff_t my_llseek(int fd, blkid_loff_t offset, int origin) -{ - blkid_loff_t result; - int retval; - -#ifndef __i386__ - retval = _llseek(fd, ((unsigned long long) offset) >> 32, - ((unsigned long long)offset) & 0xffffffff, - &result, origin); +#ifdef CONFIG_LFS +# define my_llseek lseek64 #else - retval = syscall(__NR__llseek, fd, ((unsigned long long) offset) >> 32, - ((unsigned long long)offset) & 0xffffffff, - &result, origin); +# define my_llseek lseek #endif - return (retval == -1 ? (blkid_loff_t) retval : result); -} - -#endif /* __alpha__ || __ia64__ */ - -#endif /* HAVE_LLSEEK */ blkid_loff_t blkid_llseek(int fd, blkid_loff_t offset, int whence) { @@ -109,31 +53,3 @@ blkid_loff_t blkid_llseek(int fd, blkid_loff_t offset, int whence) } return result; } - -#else /* !linux */ - -#ifndef EOVERFLOW -#ifdef EXT2_ET_INVALID_ARGUMENT -#define EOVERFLOW EXT2_ET_INVALID_ARGUMENT -#else -#define EOVERFLOW 112 -#endif -#endif - -blkid_loff_t blkid_llseek(int fd, blkid_loff_t offset, int origin) -{ -#if defined(HAVE_LSEEK64) && defined(HAVE_LSEEK64_PROTOTYPE) - return lseek64 (fd, offset, origin); -#else - if ((sizeof(off_t) < sizeof(blkid_loff_t)) && - (offset >= ((blkid_loff_t) 1 << ((sizeof(off_t)*8) - 1)))) { - errno = EOVERFLOW; - return -1; - } - return lseek(fd, (off_t) offset, origin); -#endif -} - -#endif /* linux */ - - |