161 lines
4.7 KiB
Groff
161 lines
4.7 KiB
Groff
.\" Copyright (c) 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)pathconf.2 8.1 (Berkeley) 6/4/93
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.\" %FreeBSD: src/lib/libc/sys/pathconf.2,v 1.4.2.6 2001/12/14 18:34:01 ru Exp %
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.\"
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.\" $FreeBSD$
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.Dd June 4, 1993
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.Dt PATHCONF 2
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.Os
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.Sh ̾¾Î
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.Nm pathconf ,
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.Nm fpathconf
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.Nd ¹½À®²Äǽ¤Ê¥Ñ¥¹Ì¾ÊÑ¿ô¤ò¼èÆÀ¤¹¤ë
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.Sh ¥é¥¤¥Ö¥é¥ê
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.Lb libc
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.Sh ½ñ¼°
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.In unistd.h
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.Ft long
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.Fn pathconf "const char *path" "int name"
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.Ft long
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.Fn fpathconf "int fd" "int name"
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.Sh ²òÀâ
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.Fn pathconf
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´Ø¿ô¤È
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.Fn fpathconf
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´Ø¿ô¤Ï¡¢¹½À®²Äǽ¤Ê¥·¥¹¥Æ¥à¸Â³¦¤Î¸½ºßÃÍ¡¢¤Þ¤¿¤Ï¥Ñ¥¹Ì¾¤ä
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¥Õ¥¡¥¤¥ëµ½Ò»Ò¤ËÂбþ¤¹¤ë¥ª¥×¥·¥ç¥óÊÑ¿ô¤ò
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¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤¬È½Äꤹ¤ëÊýË¡¤òÄ󶡤·¤Þ¤¹¡£
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.Pp
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.Fn pathconf
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¤Î¾ì¹ç¡¢
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.Fa path
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°ú¿ô¤Ï¥Õ¥¡¥¤¥ë¤Þ¤¿¤Ï¥Ç¥£¥ì¥¯¥È¥ê¤Î̾Á°¤Ç¤¹¡£
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.Fn fpathconf
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¤Î¾ì¹ç¡¢
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.Fa fd
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°ú¿ô¤Ï¥ª¡¼¥×¥ó¥Õ¥¡¥¤¥ë¤Îµ½Ò»Ò¤Ç¤¹¡£
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.Fa name
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.Li <unistd.h>
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¤Ë¤¢¤ê¤Þ¤¹¡£
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.Pp
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.Pp
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.Bl -tag -width 6n
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.Pp
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.It Li _PC_LINK_MAX
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ºÇÂç¤Î¥Õ¥¡¥¤¥ë¥ê¥ó¥¯¥«¥¦¥ó¥È¡£
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.It Li _PC_MAX_CANON
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üËö¤Îɸ½à¥â¡¼¥ÉÆþÎÏÂÔ¤Á¹ÔÎó¤ÎºÇÂç¥Ð¥¤¥È¿ô¡£
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.It Li _PC_MAX_INPUT
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.It Li _PC_NAME_MAX
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.It Li _PC_PATH_MAX
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¥Ñ¥¹Ì¾¤ÎºÇÂç¥Ð¥¤¥È¿ô¡£
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.It Li _PC_PIPE_BUF
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¥Ñ¥¤¥×¤Ë¼«Æ°Åª¤Ë½ñ¹þ¤Þ¤ì¤ëºÇÂç¥Ð¥¤¥È¿ô¡£
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.It Li _PC_CHOWN_RESTRICTED
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.Xr chown 2
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¥·¥¹¥Æ¥à¥³¡¼¥ë¤ò¼Â¹Ô¤¹¤ë¤Î¤Ë¡¢Å¬ÀÚ¤ÊÆø¢¤¬É¬Íפʾì¹ç¤Ï 1 ¤ò
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ÊÖ¤·¡¢¤½¤¦¤Ç¤Ê¤¤¾ì¹ç¤Ï 0 ¤òÊÖ¤·¤Þ¤¹¡£
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.It Li _PC_NO_TRUNC
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KERN_NAME_MAX ¤è¤êŤ¤¥Õ¥¡¥¤¥ë̾¤¬ÀÚ¤ê¼Î¤Æ¤é¤ì¤ë¾ì¹ç¤Ï 1 ¤òÊÖ¤·¤Þ¤¹¡£
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.It Li _PC_VDISABLE
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üËöÀ©¸æʸ»ú¤ò̵¸ú¤Ë¤¹¤ë¤¿¤á¤ÎÃͤòÊÖ¤·¤Þ¤¹¡£
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.El
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.Sh Ìá¤êÃÍ
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.Fn pathconf
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¤Þ¤¿¤Ï
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.Fn fpathconf
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¤Î¸Æ¤Ó½Ð¤·¤¬Àµ¾ï¤Ë´°Î»¤·¤Ê¤¤¾ì¹ç¤Ï -1 ¤¬ÊÖ¤µ¤ì¡¢
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.Va errno
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-1 ¤¬ÊÖ¤µ¤ì¡¢
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.Va errno
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.Sh ¥¨¥é¡¼
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¼¡¤Î¾ò·ï¤Î¤É¤ì¤«¤¬µ¯¤¤¿¾ì¹ç¡¢
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.Fn pathconf
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´Ø¿ô¤È
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.Fn fpathconf
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´Ø¿ô¤Ï -1 ¤òÊÖ¤·¡¢
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.Va errno
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¤ËÂбþ¤¹¤ëÃͤòÀßÄꤷ¤Þ¤¹¡£
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.Bl -tag -width Er
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.It Bq Er EINVAL
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.Fa name
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.It Bq Er EINVAL
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.El
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.Pp
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.Fn pathconf
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.Bl -tag -width Er
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.It Bq Er ENOTDIR
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.It Bq Er ENAMETOOLONG
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¥Ñ¥¹Ì¾¤Î¹½À®Í×ÁǤ¬ 255 ʸ»ú¤ò±Û¤¨¤Æ¤¤¤ë¤«¡¢
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¤Þ¤¿¤Ï¥Ñ¥¹Ì¾Á´ÂΤ¬ 1023 ʸ»ú¤ò±Û¤¨¤Æ¤¤¤Þ¤¹¡£
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.It Bq Er ENOENT
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»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Þ¤»¤ó¡£
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.It Bq Er EACCES
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.It Bq Er ELOOP
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.It Bq Er EIO
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.El
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.Pp
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.Bl -tag -width Er
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.Fn fpathconf
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¤Ï¼¡¤Î¾ì¹ç¤Ë¼ºÇÔ¤·¤Þ¤¹¡£
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.It Bq Er EBADF
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.Fa fd
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¤Ï͸ú¤Ê¥ª¡¼¥×¥ó¥Õ¥¡¥¤¥ëµ½Ò»Ò¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£
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.It Bq Er EIO
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¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ËÆɤ߽ñ¤¤·¤Æ¤¤¤ë´Ö¤ËÆþ½ÐÎÏ¥¨¥é¡¼¤¬È¯À¸¤·¤Þ¤·¤¿¡£
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.El
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.Sh ´ØÏ¢¹àÌÜ
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.Xr sysctl 3
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.Sh Îò»Ë
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.Fn pathconf
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´Ø¿ô¤È
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.Fn fpathconf
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´Ø¿ô¤Ï
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.Bx 4.4
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