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mkdirat

man page of mkdirat

mkdirat: create a directory relative to a directory file descriptor

NAME

mkdirat - create a directory relative to a directory file descriptor

SYNOPSIS

#include <fcntl.h> /* Definition of AT_* constants */ #include <sys/stat.h> int mkdirat(int dirfd, const char *pathname, mode_t mode); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): mkdirat(): Since glibc 2.10: _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _ATFILE_SOURCE
DESCRIPTION
The mkdirat() system call operates in exactly the same way as mkdir(2), except for the differences described in this manual page. If the pathname given in pathname is relative, then it is interpreted relative to the directory referred to by the file descriptor dirfd (rather than relative to the current working directory of the calling process, as is done by mkdir(2) for a relative pathname). If pathname is relative and dirfd is the special value AT_FDCWD, then pathname is interpreted relative to the current working directory of the calling process (like mkdir(2)). If pathname is absolute, then dirfd is ignored.
RETURN VALUE
On success, mkdirat() returns 0. On error, -1 is returned and errno is set to indicate the error.

ERRORS

The same errors that occur for mkdir(2) can also occur for mkdirat(). The following additional errors can occur for mkdirat(): EBADF dirfd is not a valid file descriptor. ENOTDIR pathname is relative and dirfd is a file descriptor referring to a file other than a directory.

VERSIONS

mkdirat() was added to Linux in kernel 2.6.16.

CONFORMING TO

POSIX.1-2008.

NOTES

See openat(2) for an explanation of the need for mkdirat().
SEE ALSO
mkdir(2), openat(2), 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 //www.kernel.org/doc/man-pages/. MKDIRAT(2)
 
 
 

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