xref: /openssl/util/mkdir-p.pl (revision 3c2bdd7d)
1#! /usr/bin/env perl
2# Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
3#
4# Licensed under the Apache License 2.0 (the "License").  You may not use
5# this file except in compliance with the License.  You can obtain a copy
6# in the file LICENSE in the source distribution or at
7# https://www.openssl.org/source/license.html
8
9# On some systems, the -p option to mkdir (= also create any missing parent
10# directories) is not available.
11
12my $arg;
13
14foreach $arg (@ARGV) {
15  $arg =~ tr|\\|/|;
16  &do_mkdir_p($arg);
17}
18
19
20sub do_mkdir_p {
21  local($dir) = @_;
22
23  $dir =~ s|/*\Z(?!\n)||s;
24
25  if (-d $dir) {
26    return;
27  }
28
29  if ($dir =~ m|[^/]/|s) {
30    local($parent) = $dir;
31    $parent =~ s|[^/]*\Z(?!\n)||s;
32
33    do_mkdir_p($parent);
34  }
35
36  unless (mkdir($dir, 0777)) {
37    local($err) = $!;
38    if (-d $dir) {
39      # We raced against another instance doing the same thing.
40      return;
41    }
42    die "Cannot create directory $dir: $err\n";
43  }
44  print "created directory `$dir'\n";
45}
46