NetBSD/usr.bin/patch/mkpath.c

85 lines
2.6 KiB
C

/*
* $OpenBSD: mkpath.c,v 1.2 2005/06/20 07:14:06 otto Exp $
* $DragonFly: src/usr.bin/patch/mkpath.c,v 1.1 2007/09/29 23:11:10 swildner Exp $
* $NetBSD: mkpath.c,v 1.1 2008/09/19 18:33:34 joerg Exp $
*/
/*
* Copyright (c) 1983, 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: mkpath.c,v 1.1 2008/09/19 18:33:34 joerg Exp $");
#include <sys/types.h>
#include <sys/stat.h>
#include <err.h>
#include <errno.h>
#include <string.h>
int mkpath(char *);
/* Code taken directly from mkdir(1).
* mkpath -- create directories.
* path - path
*/
int
mkpath(char *path)
{
struct stat sb;
char *slash;
int done = 0;
slash = path;
while (!done) {
slash += strspn(slash, "/");
slash += strcspn(slash, "/");
done = (*slash == '\0');
*slash = '\0';
if (stat(path, &sb)) {
if (errno != ENOENT || (mkdir(path, 0777) &&
errno != EEXIST)) {
warn("%s", path);
return (-1);
}
} else if (!S_ISDIR(sb.st_mode)) {
warnx("%s: %s", path, strerror(ENOTDIR));
return (-1);
}
*slash = '/';
}
return (0);
}