mkpath.c (2392B)
1 /*- 2 * Copyright (c) 1983, 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $OpenBSD: mkpath.c,v 1.2 2005/06/20 07:14:06 otto Exp $ 30 * $FreeBSD$ 31 */ 32 33 #include <sys/types.h> 34 #include <sys/stat.h> 35 #include <err.h> 36 #include <errno.h> 37 #include <string.h> 38 39 int mkpath(char *); 40 41 /* Code taken directly from mkdir(1). 42 43 * mkpath -- create directories. 44 * path - path 45 */ 46 int 47 mkpath(char *path) 48 { 49 struct stat sb; 50 char *slash; 51 int done = 0; 52 53 slash = path; 54 55 while (!done) { 56 slash += strspn(slash, "/"); 57 slash += strcspn(slash, "/"); 58 59 done = (*slash == '\0'); 60 *slash = '\0'; 61 62 if (stat(path, &sb)) { 63 if (errno != ENOENT || (mkdir(path, 0777) && 64 errno != EEXIST)) { 65 warn("%s", path); 66 return (-1); 67 } 68 } else if (!S_ISDIR(sb.st_mode)) { 69 warnx("%s: %s", path, strerror(ENOTDIR)); 70 return (-1); 71 } 72 73 *slash = '/'; 74 } 75 76 return (0); 77 } 78