1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1983, 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $OpenBSD: mkpath.c,v 1.2 2005/06/20 07:14:06 otto Exp $ 32 * $FreeBSD: head/usr.bin/patch/mkpath.c 326025 2017-11-20 19:49:47Z pfg $ 33 */ 34 35 #include <sys/types.h> 36 #include <sys/stat.h> 37 #include <err.h> 38 #include <errno.h> 39 #include <string.h> 40 41 int mkpath(char *); 42 43 /* Code taken directly from mkdir(1). 44 45 * mkpath -- create directories. 46 * path - path 47 */ 48 int 49 mkpath(char *path) 50 { 51 struct stat sb; 52 char *slash; 53 int done = 0; 54 55 slash = path; 56 57 while (!done) { 58 slash += strspn(slash, "/"); 59 slash += strcspn(slash, "/"); 60 61 done = (*slash == '\0'); 62 *slash = '\0'; 63 64 if (stat(path, &sb)) { 65 if (errno != ENOENT || (mkdir(path, 0777) && 66 errno != EEXIST)) { 67 warn("%s", path); 68 return (-1); 69 } 70 } else if (!S_ISDIR(sb.st_mode)) { 71 warnx("%s: %s", path, strerror(ENOTDIR)); 72 return (-1); 73 } 74 75 *slash = '/'; 76 } 77 78 return (0); 79 } 80 81