2016-01-04 16:05:18 +00:00
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/* Copyright (C) 2000-2016 Free Software Foundation, Inc.
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 04:58:11 +00:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 04:58:11 +00:00
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Lesser General Public License for more details.
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
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2001-07-06 04:58:11 +00:00
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You should have received a copy of the GNU Lesser General Public
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2012-02-09 23:18:22 +00:00
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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2015-06-05 08:50:38 +00:00
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#include <stdint.h>
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#include <sys/fcntl.h>
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
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#include <sys/stat.h>
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#include <sys/statfs.h>
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2015-06-05 08:50:38 +00:00
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/* Reserve storage for the data of the file associated with FD. This
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emulation is far from perfect, but the kernel cannot do not much
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better for network file systems, either. */
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
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int
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2003-08-22 18:11:32 +00:00
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posix_fallocate (int fd, __off_t offset, __off_t len)
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
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{
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2000-09-01 02:26:05 +00:00
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struct stat64 st;
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
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2003-08-22 18:11:32 +00:00
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if (offset < 0 || len < 0)
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
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return EINVAL;
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2015-06-05 08:50:38 +00:00
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/* Perform overflow check. The outer cast relies on a GCC
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extension. */
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2015-08-26 06:42:01 +00:00
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if ((__off_t) ((uint64_t) offset + (uint64_t) len) < 0)
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update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
|
|
|
return EFBIG;
|
|
|
|
|
2015-06-05 08:50:38 +00:00
|
|
|
/* pwrite below will not do the right thing in O_APPEND mode. */
|
|
|
|
{
|
|
|
|
int flags = __fcntl (fd, F_GETFL, 0);
|
|
|
|
if (flags < 0 || (flags & O_APPEND) != 0)
|
|
|
|
return EBADF;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* We have to make sure that this is really a regular file. */
|
2000-09-01 02:26:05 +00:00
|
|
|
if (__fxstat64 (_STAT_VER, fd, &st) != 0)
|
update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
|
|
|
return EBADF;
|
|
|
|
if (S_ISFIFO (st.st_mode))
|
|
|
|
return ESPIPE;
|
|
|
|
if (! S_ISREG (st.st_mode))
|
|
|
|
return ENODEV;
|
|
|
|
|
2005-05-03 15:07:47 +00:00
|
|
|
if (len == 0)
|
|
|
|
{
|
2015-06-05 08:50:38 +00:00
|
|
|
/* This is racy, but there is no good way to satisfy a
|
|
|
|
zero-length allocation request. */
|
2005-05-03 15:07:47 +00:00
|
|
|
if (st.st_size < offset)
|
|
|
|
{
|
|
|
|
int ret = __ftruncate (fd, offset);
|
|
|
|
|
|
|
|
if (ret != 0)
|
|
|
|
ret = errno;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-06-05 08:50:38 +00:00
|
|
|
/* Minimize data transfer for network file systems, by issuing
|
|
|
|
single-byte write requests spaced by the file system block size.
|
|
|
|
(Most local file systems have fallocate support, so this fallback
|
|
|
|
code is not used there.) */
|
|
|
|
|
|
|
|
unsigned increment;
|
|
|
|
{
|
|
|
|
struct statfs64 f;
|
|
|
|
|
|
|
|
if (__fstatfs64 (fd, &f) != 0)
|
|
|
|
return errno;
|
|
|
|
if (f.f_bsize == 0)
|
|
|
|
increment = 512;
|
|
|
|
else if (f.f_bsize < 4096)
|
|
|
|
increment = f.f_bsize;
|
|
|
|
else
|
|
|
|
/* NFS does not propagate the block size of the underlying
|
|
|
|
storage and may report a much larger value which would still
|
|
|
|
leave holes after the loop below, so we cap the increment at
|
|
|
|
4096. */
|
|
|
|
increment = 4096;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Write a null byte to every block. This is racy; we currently
|
|
|
|
lack a better option. Compare-and-swap against a file mapping
|
|
|
|
might additional local races, but requires interposition of a
|
|
|
|
signal handler to catch SIGBUS. */
|
|
|
|
for (offset += (len - 1) % increment; len > 0; offset += increment)
|
update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
|
|
|
{
|
2015-06-05 08:50:38 +00:00
|
|
|
len -= increment;
|
2005-05-03 15:07:47 +00:00
|
|
|
|
|
|
|
if (offset < st.st_size)
|
|
|
|
{
|
|
|
|
unsigned char c;
|
|
|
|
ssize_t rsize = __pread (fd, &c, 1, offset);
|
|
|
|
|
|
|
|
if (rsize < 0)
|
|
|
|
return errno;
|
|
|
|
/* If there is a non-zero byte, the block must have been
|
|
|
|
allocated already. */
|
|
|
|
else if (rsize == 1 && c != 0)
|
|
|
|
continue;
|
|
|
|
}
|
update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
|
|
|
|
2000-08-21 04:18:25 +00:00
|
|
|
if (__pwrite (fd, "", 1, offset) != 1)
|
update.
2000-04-14 Ulrich Drepper <drepper@redhat.com>
* include/sys/statfs.h: Add prototypes for __statfs64 and __fstatfs64.
* sysdeps/generic/fstatfs64.c (__fstatfs64): Renamed to fstatfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/fstatfs64.c: Likewise.
* sysdeps/generic/statfs64.c (__statfs64): Renamed to statfs64.
Make old name weak alias.
* sysdeps/unix/sysv/linux/statfs64.c: Likewise.
* io/Makefile (routines): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/Versions [libc] (GLIBC_2.2): Add posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* io/fcntl.h: Declare posix_fadvise, posix_fadvise64,
posix_fallocate, and posix_fallocate64.
* sysdeps/generic/fadvise.c: New file.
* sysdeps/generic/fadvise64.c: New file.
* sysdeps/generic/fallocate.c: New file.
* sysdeps/generic/fallocate64.c: New file.
* sysdeps/posix/fallocate.c: New file.
* sysdeps/posix/fallocate64.c: New file.
* sysdeps/generic/bits/fcntl.h: Define POSIX_FADV_NORMAL,
POSIX_FADV_RANDOM, POSIX_FADV_SEQUENTIAL, POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED, and POSIX_FADV_NOREUSE.
* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
* sysdeps/generic/madvise.c (__madvise): Renamed to posix_madvise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
2000-04-14 07:51:02 +00:00
|
|
|
return errno;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|