MirOS Manual: mkdir(2)

MKDIR(2)                   BSD Programmer's Manual                    MKDIR(2)

NAME

     mkdir - make a directory file

SYNOPSIS

     #include <sys/types.h>
     #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} characters,
                   or an entire path name exceeded {PATH_MAX} characters.

     [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 translating 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 direc-
                   tory.

     [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 quo-
                   ta of disk blocks on the file system that will contain 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 IEEE Std 1003.1-1988 ("POSIX").

MirOS BSD #10-current         December 11, 1993                              1

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