diff options
Diffstat (limited to 'static/netbsd/man2/chdir.2')
| -rw-r--r-- | static/netbsd/man2/chdir.2 | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/static/netbsd/man2/chdir.2 b/static/netbsd/man2/chdir.2 new file mode 100644 index 00000000..e97f194f --- /dev/null +++ b/static/netbsd/man2/chdir.2 @@ -0,0 +1,141 @@ +.\" $NetBSD: chdir.2,v 1.23 2019/09/01 19:11:41 sevan Exp $ +.\" +.\" Copyright (c) 1980, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)chdir.2 8.2 (Berkeley) 12/11/93 +.\" +.Dd September 1, 2019 +.Dt CHDIR 2 +.Os +.Sh NAME +.Nm chdir , +.Nm fchdir +.Nd change current working directory +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In unistd.h +.Ft int +.Fn chdir "const char *path" +.Ft int +.Fn fchdir "int fd" +.Sh DESCRIPTION +The +.Fa path +argument points to the pathname of a directory. +The +.Fn chdir +function +causes the named directory +to become the current working directory, that is, +the starting point for path searches of pathnames not beginning with +a slash, +.Ql / . +.Pp +The +.Fn fchdir +function +causes the directory referenced by +.Fa fd +to become the current working directory, +the starting point for path searches of pathnames not beginning with +a slash, +.Ql / . +.Pp +In order for a directory to become the current directory, +a process must have execute (search) access to the directory. +.Sh RETURN VALUES +Upon successful completion, a value of 0 is returned. +Otherwise, a value of \-1 is returned and +.Va errno +is set to indicate +the error. +.Sh ERRORS +.Fn chdir +will fail and the current working directory will be unchanged if +one or more of the following are true: +.Bl -tag -width Er +.It Bq Er EACCES +Search permission is denied for any component of +the path name. +.It Bq Er EFAULT +.Fa path +points outside the process's allocated address space. +.It Bq Er EIO +An I/O error occurred while reading from or writing to the file system. +.It Bq Er ELOOP +Too many symbolic links were encountered in translating the pathname. +.It Bq Er ENAMETOOLONG +A component of a pathname exceeded +.Brq Dv NAME_MAX +characters, or an entire path name exceeded +.Brq Dv PATH_MAX +characters. +.It Bq Er ENOENT +The named directory does not exist. +.It Bq Er ENOTDIR +A component of the path prefix is not a directory. +.El +.Pp +.Fn fchdir +will fail and the current working directory will be unchanged if +one or more of the following are true: +.Bl -tag -width Er +.It Bq Er EACCES +Search permission is denied for the directory referenced by the +file descriptor. +.It Bq Er EBADF +The argument +.Fa fd +is not a valid file descriptor. +.It Bq Er ENOTDIR +The file descriptor does not reference a directory. +.It Bq Er EPERM +The argument +.Fa fd +references a directory which is not at or below the current process's +root directory. +.El +.Sh SEE ALSO +.Xr chroot 2 , +.Xr getcwd 3 +.Sh STANDARDS +The +.Fn chdir +function conforms to +.St -p1003.1-90 . +.Sh HISTORY +A +.Fn chdir +function call appeared in +.At v1 . +The +.Fn fchdir +function call +appeared in +.Bx 4.2 . |