Visit Our UNIX and Linux User Community

Linux and UNIX Man Pages

Linux & Unix Commands - Search Man Pages

chdir(2) [linux man page]

CHDIR(2)						     Linux Programmer's Manual							  CHDIR(2)

NAME
chdir, fchdir - change working directory SYNOPSIS
#include <unistd.h> int chdir(const char *path); int fchdir(int fd); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): fchdir(): Since glibc 2.12: _BSD_SOURCE || _XOPEN_SOURCE >= 500 || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED || _POSIX_C_SOURCE >= 200809L Before glibc 2.12: _BSD_SOURCE || _XOPEN_SOURCE >= 500 _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED DESCRIPTION
chdir() changes the current working directory of the calling process to the directory specified in path. fchdir() is identical to chdir(); the only difference is that the directory is given as an open file descriptor. RETURN VALUE
On success, zero is returned. On error, -1 is returned, and errno is set appropriately. ERRORS
Depending on the file system, other errors can be returned. The more general errors for chdir() are listed below: EACCES Search permission is denied for one of the components of path. (See also path_resolution(7).) EFAULT path points outside your accessible address space. EIO An I/O error occurred. ELOOP Too many symbolic links were encountered in resolving path. ENAMETOOLONG path is too long. ENOENT The file does not exist. ENOMEM Insufficient kernel memory was available. ENOTDIR A component of path is not a directory. The general errors for fchdir() are listed below: EACCES Search permission was denied on the directory open on fd. EBADF fd is not a valid file descriptor. CONFORMING TO
SVr4, 4.4BSD, POSIX.1-2001. NOTES
The current working directory is the starting point for interpreting relative pathnames (those not starting with '/'). A child process created via fork(2) inherits its parent's current working directory. The current working directory is left unchanged by execve(2). The prototype for fchdir() is only available if _BSD_SOURCE is defined, or _XOPEN_SOURCE is defined with the value 500. SEE ALSO
chroot(2), getcwd(3), path_resolution(7) COLOPHON
This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. Linux 2010-09-20 CHDIR(2)

Check Out this Related Man Page

CHDIR(2)						     Linux Programmer's Manual							  CHDIR(2)

NAME
chdir, fchdir - change working directory SYNOPSIS
#include <unistd.h> int chdir(const char *path); int fchdir(int fd); DESCRIPTION
chdir changes the current directory to that specified in path. fchdir is identical to chdir, only that the directory is given as an open file descriptor. RETURN VALUE
On success, zero is returned. On error, -1 is returned, and errno is set appropriately. ERRORS
Depending on the file system, other errors can be returned. The more general errors for chdir are listed below: EFAULT path points outside your accessible address space. ENAMETOOLONG path is too long. ENOENT The file does not exist. ENOMEM Insufficient kernel memory was available. ENOTDIR A component of path is not a directory. EACCES Search permission is denied on a component of path. ELOOP Too many symbolic links were encountered in resolving path. EIO An I/O error occurred. The general errors for fchdir are listed below: EBADF fd is not a valid file descriptor. EACCES Search permission was denied on the directory open on fd. NOTES
The prototype for fchdir is only available if _BSD_SOURCE is defined (either explicitly, or implicitly, by not defining _POSIX_SOURCE or compiling with the -ansi flag). CONFORMING TO
The chdir call is compatible with SVr4, SVID, POSIX, X/OPEN, 4.4BSD. SVr4 documents additional EINTR, ENOLINK, and EMULTIHOP error condi- tions but has no ENOMEM. POSIX.1 does not have ENOMEM or ELOOP error conditions. X/OPEN does not have EFAULT, ENOMEM or EIO error condi- tions. The fchdir call is compatible with SVr4, 4.4BSD and X/OPEN. SVr4 documents additional EIO, EINTR, and ENOLINK error conditions. X/OPEN documents additional EINTR and EIO error conditions. SEE ALSO
getcwd(3), chroot(2) Linux 2.0.30 1997-08-21 CHDIR(2)

Featured Tech Videos