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/* Make all the directories along a path.
Copyright (C) 1992 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* This program works like mkdir, except that it generates
intermediate directories if they don't exist. This is just like
the `mkdir -p' command on most systems; unfortunately, the mkdir
command on some of the purer BSD systems (like Mt. Xinu) don't have
that option. */
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <errno.h>
extern int errno;
char *prog_name;
/* Create directory DIRNAME if it does not exist already.
Then give permission for everyone to read and search it.
Return 0 if successful, 1 if not. */
int
touchy_mkdir (dirname)
char *dirname;
{
struct stat buf;
/* If DIRNAME already exists and is a directory, don't create. */
if (! (stat (dirname, &buf) >= 0
&& (buf.st_mode & S_IFMT) == S_IFDIR))
{
/* Otherwise, try to make it. If DIRNAME exists but isn't a directory,
this will signal an error. */
if (mkdir (dirname, 0777) < 0)
{
fprintf (stderr, "%s: ", prog_name);
perror (dirname);
return 1;
}
}
/* Make sure everyone can look at this directory. */
if (stat (dirname, &buf) < 0)
{
fprintf (stderr, "%s: ", prog_name);
perror (dirname);
return 1;
}
if (chmod (dirname, 0555 | (buf.st_mode & 0777)) < 0)
{
fprintf (stderr, "%s: ", prog_name);
perror (dirname);
}
return 0;
}
int
main (argc, argv)
int argc;
char **argv;
{
prog_name = *argv;
for (argc--, argv++; argc > 0; argc--, argv++)
{
char *dirname = *argv;
int i;
/* Stop at each slash in dirname and try to create the directory.
Skip any initial slash. */
for (i = (dirname[0] == '/') ? 1 : 0; dirname[i]; i++)
if (dirname[i] == '/')
{
dirname[i] = '\0';
if (touchy_mkdir (dirname) < 0)
goto next_dirname;
dirname[i] = '/';
}
touchy_mkdir (dirname);
next_dirname:
;
}
return 0;
}
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