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comparison toys/posix/mkdir.c @ 653:2986aa63a021

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Move commands into "posix", "lsb", and "other" menus/directories.
author Rob Landley <rob@landley.net>
date Sat, 25 Aug 2012 14:25:22 -0500
parents toys/mkdir.c@a864aa8c6331
children 6df4ccc0acbe
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652:2d7c56913fda 653:2986aa63a021
1 /* vi: set sw=4 ts=4:
2 *
3 * mkdir.c - Make directories
4 *
5 * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org>
6 *
7 * See http://pubs.opengroup.org/onlinepubs/009695399/utilities/mkdir.html
8 *
9 * TODO: Add -m
10
11 USE_MKDIR(NEWTOY(mkdir, "<1p", TOYFLAG_BIN))
12
13 config MKDIR
14 bool "mkdir"
15 default y
16 help
17 usage: mkdir [-p] [dirname...]
18 Create one or more directories.
19
20 -p make parent directories as needed.
21 */
22
23 #include "toys.h"
24
25 DEFINE_GLOBALS(
26 long mode;
27 )
28
29 #define TT this.mkdir
30
31 static int do_mkdir(char *dir)
32 {
33 struct stat buf;
34 char *s;
35
36 // mkdir -p one/two/three is not an error if the path already exists,
37 // but is if "three" is a file. The others we dereference and catch
38 // not-a-directory along the way, but the last one we must explicitly
39 // test for. Might as well do it up front.
40
41 if (!stat(dir, &buf) && !S_ISDIR(buf.st_mode)) {
42 errno = EEXIST;
43 return 1;
44 }
45
46 for (s=dir; ; s++) {
47 char save=0;
48
49 // Skip leading / of absolute paths.
50 if (s!=dir && *s == '/' && toys.optflags) {
51 save = *s;
52 *s = 0;
53 } else if (*s) continue;
54
55 if (mkdir(dir, TT.mode)<0 && (!toys.optflags || errno != EEXIST))
56 return 1;
57
58 if (!(*s = save)) break;
59 }
60
61 return 0;
62 }
63
64 void mkdir_main(void)
65 {
66 char **s;
67
68 TT.mode = 0777;
69
70 for (s=toys.optargs; *s; s++) {
71 if (do_mkdir(*s)) {
72 perror_msg("cannot create directory '%s'", *s);
73 toys.exitval = 1;
74 }
75 }
76 }