(split) LDP v3.24 -> v3.29 の定型的な変更内容を反映。

[linuxjm/LDP_man-pages.git] / release / man2 / fstatat.2

.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" This manpage is Copyright (C) 2006, Michael Kerrisk
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
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.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
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.\" which is licensed free of charge, as they might when working
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.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Japanese Version Copyright (c) 2006 Yuichi SATO
.\"         all rights reserved.
.\" Translated 2006-10-13 by Yuichi SATO <ysato444@yahoo.co.jp>, LDP v2.39
.\"
.TH FSTATAT 2 2009-12-13 "Linux" "Linux Programmer's Manual"
.SH ̾Á°
fstatat \- ¥Ç¥£¥ì¥¯¥È¥ê¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤«¤éÁêÂÐŪ¤Ê°ÌÃ֤ˤ¢¤ë¥Õ¥¡¥¤¥ë¤Î¾õÂÖ¤ò¼èÆÀ¤¹¤ë
.SH ½ñ¼°
.nf
.B #include <fcntl.h>           /* AT_* Äê¿ô¤ÎÄêµÁ */
.B #include <sys/stat.h>
.sp
.BI "int fstatat(int " dirfd ", const char *" pathname ", struct stat *" \
buf ,
.BI "            int " flags );
.fi
.sp
.in -4n
glibc ¸þ¤±¤Îµ¡Ç½¸¡ºº¥Þ¥¯¥í¤ÎÍ×·ï
.RB ( feature_test_macros (7)
»²¾È):
.in
.sp
.BR fstatat ():
.PD 0
.ad l
.RS 4
.TP 4
glibc 2.10 °Ê¹ß:
_XOPEN_SOURCE\ >=\ 700 || _POSIX_C_SOURCE\ >=\ 200809L
.TP
glibc 2.10 ¤è¤êÁ°:
_ATFILE_SOURCE
.RE
.ad
.PD
.SH ÀâÌÀ
.BR fstatat ()
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢¤³¤Î man ¥Ú¡¼¥¸¤ÇÀâÌÀ¤·¤Æ¤¤¤ë°ã¤¤¤¬¤¢¤ë°Ê³°¤Ï¡¢
.BR stat (2)
¤ÈÁ´¤¯Æ±¤¸¤è¤¦¤ËÆ°ºî¤¹¤ë¡£

.I pathname
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¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿
.I dirfd
¤Ç»²¾È¤µ¤ì¤ë¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¤ÎÁêÂХѥ¹Ì¾¤È¤·¤Æ²ò¼á¤µ¤ì¤ë
.RB ( stat (2)
¤Ç¤Ï¡¢ÁêÂХѥ¹¤Ï¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î¥«¥ì¥ó¥È¥ï¡¼¥­¥ó¥°¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¤Î
ÁêÂХѥ¹¤È¤Ê¤ë)¡£

.I pathname
¤¬ÁêÂХѥ¹¤Ç¤¢¤ê¡¢¤«¤Ä
.I dirfd
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.B AT_FDCWD
¤Ç¤¢¤ë¾ì¹ç¡¢
.I pathname
¤Ï
.RB ( stat (2)
¤ÈƱ¤¸¤è¤¦¤Ë) ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î
¥«¥ì¥ó¥È¥ï¡¼¥­¥ó¥°¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¤ÎÁêÂХѥ¹Ì¾¤È¤·¤Æ²ò¼á¤µ¤ì¤ë¡£

.I pathname
¤¬ÀäÂХѥ¹¤Ç¤¢¤ë¾ì¹ç¡¢
.I dirfd
¤Ï̵»ë¤µ¤ì¤ë¡£

.I flags
¤Ï 0 ¤Þ¤¿¤Ï°Ê²¼¤Î¥Õ¥é¥°¤Ç¤¢¤ë¡£
.TP
.B AT_SYMLINK_NOFOLLOW
.I pathname
¤¬¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Î¾ì¹ç¤Ï¡¢¤½¤ì¤òé¤ë¤Î¤Ç¤Ï¤Ê¤¯¡¢
.BR lstat (2)
¤ÈƱÍͤ˥ê¥ó¥¯¼«¿È¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤òÊÖ¤¹
(¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢
.BR fstatat ()
¤Ï
.BR stat (2)
¤ÈƱÍͤ˥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤òé¤ë)¡£
.SH ÊÖ¤êÃÍ
À®¸ù¤·¤¿¾ì¹ç¡¢
.BR fstatat ()
¤Ï 0 ¤òÊÖ¤¹¡£
¥¨¥é¡¼¤Î¾ì¹ç¡¢\-1 ¤¬ÊÖ¤µ¤ì¤Æ¡¢
.I errno
¤Ë¤Ï¥¨¥é¡¼¤ò¼¨¤¹Ãͤ¬ÀßÄꤵ¤ì¤ë¡£
.SH ¥¨¥é¡¼
.BR stat (2)
¤ÈƱ¤¸¥¨¥é¡¼¤¬
.BR fstatat ()
¤Ç¤âµ¯¤³¤ë¡£
.BR fstatat ()
¤Ç¤Ï¡¢¤½¤Î¾¤Ë°Ê²¼¤Î¥¨¥é¡¼¤¬µ¯¤³¤ë:
.TP
.B EBADF
.I dirfd
¤¬Í­¸ú¤Ê¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ç¤Ê¤¤¡£
.TP
.B EINVAL
.I flags
¤ËÉÔÀµ¤Ê¥Õ¥é¥°Ãͤ¬»ØÄꤵ¤ì¤¿¡£
.TP
.B ENOTDIR
.I pathname
¤¬ÁêÂХѥ¹¤Ç¡¢¤«¤Ä
.I dirfd
¤¬¥Ç¥£¥ì¥¯¥È¥ê°Ê³°¤Î¥Õ¥¡¥¤¥ë¤ò»²¾È¤¹¤ë¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ç¤¢¤ë¡£
.SH ¥Ð¡¼¥¸¥ç¥ó
.BR fstatat ()
¤Ï Linux ¥«¡¼¥Í¥ë 2.6.16 ¤ÇÄɲ䵤줿¡£
.SH ½àµò
POSIX.1-2008.
Solaris ¤Ë¤Ï¡¢¤³¤ì¤ÈƱ¤¸¤è¤¦¤Ê¥·¥¹¥Æ¥à¥³¡¼¥ë¤¬Â¸ºß¤¹¤ë¡£
.SH Ãí°Õ
.BR fstatat ()
¤¬É¬ÍפÊÍýͳ¤Ë¤Ä¤¤¤Æ¤Ï¡¢
.BR openat (2)
¤ò»²¾È¤¹¤ë¤³¤È¡£
.SH ´ØÏ¢¹àÌÜ
.BR openat (2),
.BR stat (2),
.BR path_resolution (7),
.BR symlink (7),