diff options
author | Guido Guenther <agx@sigxcpu.org> | 2007-11-21 16:55:40 +0100 |
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committer | Guido Guenther <agx@sigxcpu.org> | 2007-11-21 16:55:40 +0100 |
commit | 498267851d48ee60376dc96411fb8693a5e95a3c (patch) | |
tree | 9f1533b742a37b5213dc651e84aff9401df7e640 /e2fslib/llseek.c | |
parent | 4bf1c0b76bed01bd30c28a089639b88d326ba2c3 (diff) |
remove unneeded e2fslib
Diffstat (limited to 'e2fslib/llseek.c')
-rw-r--r-- | e2fslib/llseek.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/e2fslib/llseek.c b/e2fslib/llseek.c deleted file mode 100644 index e8be331..0000000 --- a/e2fslib/llseek.c +++ /dev/null @@ -1,132 +0,0 @@ -/* - * llseek.c -- stub calling the llseek system call - * - * Copyright (C) 1994, 1995, 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#define _LARGEFILE_SOURCE -#define _LARGEFILE64_SOURCE - -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#ifdef __MSDOS__ -#include <io.h> -#endif -#include "et/com_err.h" -#include "ext2_io.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, ext2_loff_t *, unsigned int); - -static _syscall5(int,_llseek,unsigned int,fd,unsigned long,offset_high, - unsigned long, offset_low,ext2_loff_t *,result, - unsigned int, origin) -#endif - -static ext2_loff_t my_llseek (int fd, ext2_loff_t offset, int origin) -{ - ext2_loff_t result; - int retval; - -#ifndef __i386__ - retval = _llseek(fd, ((unsigned long long) offset) >> 32, -#else - retval = syscall(__NR__llseek, fd, (unsigned long long) (offset >> 32), -#endif - ((unsigned long long) offset) & 0xffffffff, - &result, origin); - return (retval == -1 ? (ext2_loff_t) retval : result); -} - -#endif /* __alpha__ || __ia64__ */ - -#endif /* HAVE_LLSEEK */ - -ext2_loff_t ext2fs_llseek (int fd, ext2_loff_t offset, int origin) -{ - ext2_loff_t result; - static int do_compat = 0; - - if ((sizeof(off_t) >= sizeof(ext2_loff_t)) || - (offset < ((ext2_loff_t) 1 << ((sizeof(off_t)*8) -1)))) - return lseek(fd, (off_t) offset, origin); - - if (do_compat) { - errno = EINVAL; - return -1; - } - - result = my_llseek (fd, offset, origin); - if (result == -1 && errno == ENOSYS) { - /* - * Just in case this code runs on top of an old kernel - * which does not support the llseek system call - */ - do_compat++; - errno = EINVAL; - } - return result; -} - -#else /* !linux */ - -#ifndef EINVAL -#define EINVAL EXT2_ET_INVALID_ARGUMENT -#endif - -ext2_loff_t ext2fs_llseek (int fd, ext2_loff_t offset, 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 (fd, (off_t) offset, origin); -} - -#endif /* linux */ - - |