CHDIR
Section: System Calls (2)
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BSD mandoc
BSD 4
NAME
chdir
fchdir
- change current working directory
SYNOPSIS
Fd #include <unistd.h>
Ft int
Fn chdir const char *path
Ft int
Fn fchdir int fd
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,
`/'
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,
`/'
In order for a directory to become the current directory,
a process must have execute (search) access to the directory.
RETURN VALUES
Upon successful completion, a value of 0 is returned.
Otherwise, a value of -1 is returned and
errno
is set to indicate
the error.
ERRORS
Fn Chdir
will fail and the current working directory will be unchanged if
one or more of the following are true:
- Bq Er ENOTDIR
-
A component of the path prefix is not a directory.
- Bq Er ENAMETOOLONG
-
A component of a pathname exceeded
{NAME_MAX}
characters, or an entire path name exceeded
{PATH_MAX}
characters.
- Bq Er ENOENT
-
The named directory does not exist.
- Bq Er ELOOP
-
Too many symbolic links were encountered in translating the pathname.
- Bq Er EACCES
-
Search permission is denied for any component of
the path name.
- Bq Er EFAULT
-
Fa Path
points outside the process's allocated address space.
- Bq Er EIO
-
An I/O error occurred while reading from or writing to the file system.
Fn Fchdir
will fail and the current working directory will be unchanged if
one or more of the following are true:
- Bq Er EACCES
-
Search permission is denied for the directory referenced by the
file descriptor.
- Bq Er ENOTDIR
-
The file descriptor does not reference a directory.
- Bq Er EBADF
-
The argument
Fa fd
is not a valid file descriptor.
SEE ALSO
chroot(2)
STANDARDS
The
Fn chdir
is expected to conform to
St -p1003.1-88 .
HISTORY
The
Fn fchdir
function call
appeared in
BSD 4.2
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUES
-
- ERRORS
-
- SEE ALSO
-
- STANDARDS
-
- HISTORY
-
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Time: 16:29:00 GMT, April 18, 2022