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comparison lib-src/make-path.c @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
parents
children 15872534500d
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-1:000000000000 0:376386a54a3c
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 #include <sys/types.h>
30 #include <sys/stat.h>
31 #include <stdio.h>
32 #include <errno.h>
33
34 #ifdef emacs
35 #include <config.h>
36 #endif
37
38 extern int errno;
39
40 char *prog_name;
41
42 static int touchy_mkdir (path)
43 char *path;
44 {
45 struct stat buf;
46
47 /* If PATH already exists and is a directory, return success. */
48 if (stat (path, &buf) >= 0
49 && (buf.st_mode & S_IFMT) == S_IFDIR)
50 return 0;
51
52 /* Otherwise, try to make it. If PATH exists but isn't a directory,
53 this will signal an error. */
54 if (mkdir (path, 0777) < 0)
55 {
56 fprintf (stderr, "%s: ", prog_name);
57 perror (path);
58 return 1;
59 }
60
61 return 0;
62 }
63
64 int
65 main (argc, argv)
66 int argc;
67 char **argv;
68 {
69 prog_name = *argv;
70
71 for (argc--, argv++; argc > 0; argc--, argv++)
72 {
73 char *path = *argv;
74 int i;
75
76 /* Stop at each slash in path and try to create the directory.
77 Skip any initial slash. */
78 for (i = (path[0] == '/') ? 1 : 0; path[i]; i++)
79 if (path[i] == '/')
80 {
81 path[i] = '\0';
82 if (touchy_mkdir (path) < 0)
83 goto next_pathname;
84 path[i] = '/';
85 }
86
87 touchy_mkdir (path);
88
89 next_pathname:
90 ;
91 }
92
93 return 0;
94 }