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