mkdir(2) - NetBSD Manual Pages

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MKDIR(2)                  NetBSD System Calls Manual                  MKDIR(2)


NAME

     mkdir -- make a directory file


LIBRARY

     Standard C Library (libc, -lc)


SYNOPSIS

     #include <sys/stat.h>

     int
     mkdir(const char *path, mode_t mode);


DESCRIPTION

     The directory path is created with the access permissions specified by
     mode and restricted by the umask(2) of the calling process.

     The directory's owner ID is set to the process's effective user ID.  The
     directory's group ID is set to that of the parent directory in which it
     is created.


RETURN VALUES

     A 0 return value indicates success.  A -1 return value indicates an
     error, and an error code is stored in errno.


ERRORS

     mkdir() will fail and no directory will be created if:

     [ENOTDIR]          A component of the path prefix is not a directory.

     [ENAMETOOLONG]     A component of a pathname exceeded {NAME_MAX} charac-
                        ters, or an entire path name exceeded {PATH_MAX} char-
                        acters.

     [ENOENT]           A component of the path prefix does not exist.

     [EACCES]           Search permission is denied for a component of the
                        path prefix.

     [ELOOP]            Too many symbolic links were encountered in translat-
                        ing the pathname.

     [EROFS]            The named file resides on a read-only file system.

     [EEXIST]           The named file exists.

     [ENOSPC]           The new directory cannot be created because there is
                        no space left on the file system that will contain the
                        directory.

     [ENOSPC]           There are no free inodes on the file system on which
                        the directory is being created.

     [EDQUOT]           The new directory cannot be created because the user's
                        quota of disk blocks on the file system that will con-
                        tain the directory has been exhausted.

     [EDQUOT]           The user's quota of inodes on the file system on which
                        the directory is being created has been exhausted.

     [EIO]              An I/O error occurred while making the directory entry
                        or allocating the inode.

     [EIO]              An I/O error occurred while reading from or writing to
                        the file system.

     [EFAULT]           path points outside the process's allocated address
                        space.


SEE ALSO

     chmod(2), stat(2), umask(2)


STANDARDS

     The mkdir() function conforms to ISO/IEC 9945-1:1990 (``POSIX.1'').

NetBSD 4.0                     December 27, 2005                    NetBSD 4.0