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comparison lib-src/make-path.c @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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children 84b14dcb0985
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427:0a0253eac470 428:3ecd8885ac67
1 /* Make all the directories along a path.
2 Copyright (C) 1992 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 /* Synched up with: FSF 19.28. */
22
23 /* This program works like mkdir, except that it generates
24 intermediate directories if they don't exist. This is just like
25 the `mkdir -p' command on most systems; unfortunately, the mkdir
26 command on some of the purer BSD systems (like Mt. Xinu) don't have
27 that option. */
28
29 #ifdef emacs
30 #include <../src/config.h>
31 #endif
32
33 #include <sys/types.h>
34 #include <sys/stat.h>
35 #include <stdio.h>
36 #include <errno.h>
37
38 char *prog_name;
39
40 static int touchy_mkdir (char *path)
41 {
42 struct stat buf;
43
44 /* If PATH already exists and is a directory, return success. */
45 if (stat (path, &buf) >= 0
46 && (buf.st_mode & S_IFMT) == S_IFDIR)
47 return 0;
48
49 /* Otherwise, try to make it. If PATH exists but isn't a directory,
50 this will signal an error. */
51 if (mkdir (path, 0777) < 0)
52 {
53 fprintf (stderr, "%s: ", prog_name);
54 perror (path);
55 return 1;
56 }
57
58 return 0;
59 }
60
61 int
62 main (int argc, char *argv[])
63 {
64 prog_name = *argv;
65
66 for (argc--, argv++; argc > 0; argc--, argv++)
67 {
68 char *path = *argv;
69 int i;
70
71 /* Stop at each slash in path and try to create the directory.
72 Skip any initial slash. */
73 for (i = (path[0] == '/') ? 1 : 0; path[i]; i++)
74 if (path[i] == '/')
75 {
76 path[i] = '\0';
77 if (touchy_mkdir (path) < 0)
78 goto next_pathname;
79 path[i] = '/';
80 }
81
82 touchy_mkdir (path);
83
84 next_pathname:
85 ;
86 }
87
88 return 0;
89 }