From 6b2c60acca39ef3468797095d3a4162e6ce69786 Mon Sep 17 00:00:00 2001 From: Brian Behlendorf Date: Thu, 11 Dec 2008 15:38:59 -0800 Subject: Moving lib/libspl to linux-libspl branch --- lib/libspl/mkdirp.c | 212 ---------------------------------------------------- 1 file changed, 212 deletions(-) delete mode 100644 lib/libspl/mkdirp.c (limited to 'lib/libspl/mkdirp.c') diff --git a/lib/libspl/mkdirp.c b/lib/libspl/mkdirp.c deleted file mode 100644 index 9c81f2a0b..000000000 --- a/lib/libspl/mkdirp.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ - -/* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -/* Copyright (c) 1988 AT&T */ -/* All Rights Reserved */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -/* - * Creates directory and it's parents if the parents do not - * exist yet. - * - * Returns -1 if fails for reasons other than non-existing - * parents. - * Does NOT simplify pathnames with . or .. in them. - */ - -#include -#include -#include -#include -#include -#include -#include - -static char *simplify(const char *str); - -int -mkdirp(const char *d, mode_t mode) -{ - char *endptr, *ptr, *slash, *str; - - str = simplify(d); - - /* If space couldn't be allocated for the simplified names, return. */ - - if (str == NULL) - return (-1); - - /* Try to make the directory */ - - if (mkdir(str, mode) == 0) { - free(str); - return (0); - } - if (errno != ENOENT) { - free(str); - return (-1); - } - endptr = strrchr(str, '\0'); - slash = strrchr(str, '/'); - - /* Search upward for the non-existing parent */ - - while (slash != NULL) { - - ptr = slash; - *ptr = '\0'; - - /* If reached an existing parent, break */ - - if (access(str, F_OK) == 0) - break; - - /* If non-existing parent */ - - else { - slash = strrchr(str, '/'); - - /* If under / or current directory, make it. */ - - if (slash == NULL || slash == str) { - if (mkdir(str, mode) != 0 && errno != EEXIST) { - free(str); - return (-1); - } - break; - } - } - } - - /* Create directories starting from upmost non-existing parent */ - - while ((ptr = strchr(str, '\0')) != endptr) { - *ptr = '/'; - if (mkdir(str, mode) != 0 && errno != EEXIST) { - /* - * If the mkdir fails because str already - * exists (EEXIST), then str has the form - * "existing-dir/..", and this is really - * ok. (Remember, this loop is creating the - * portion of the path that didn't exist) - */ - free(str); - return (-1); - } - } - free(str); - return (0); -} - -/* - * simplify - given a pathname, simplify that path by removing - * duplicate contiguous slashes. - * - * A simplified copy of the argument is returned to the - * caller, or NULL is returned on error. - * - * The caller should handle error reporting based upon the - * returned vlaue, and should free the returned value, - * when appropriate. - */ - -static char * -simplify(const char *str) -{ - int i; - size_t mbPathlen; /* length of multi-byte path */ - size_t wcPathlen; /* length of wide-character path */ - wchar_t *wptr; /* scratch pointer */ - wchar_t *wcPath; /* wide-character version of the path */ - char *mbPath; /* The copy fo the path to be returned */ - - /* - * bail out if there is nothing there. - */ - - if (!str) - return (NULL); - - /* - * Get a copy of the argument. - */ - - if ((mbPath = strdup(str)) == NULL) { - return (NULL); - } - - /* - * convert the multi-byte version of the path to a - * wide-character rendering, for doing our figuring. - */ - - mbPathlen = strlen(mbPath); - - if ((wcPath = calloc(sizeof (wchar_t), mbPathlen+1)) == NULL) { - free(mbPath); - return (NULL); - } - - if ((wcPathlen = mbstowcs(wcPath, mbPath, mbPathlen)) == (size_t)-1) { - free(mbPath); - free(wcPath); - return (NULL); - } - - /* - * remove duplicate slashes first ("//../" -> "/") - */ - - for (wptr = wcPath, i = 0; i < wcPathlen; i++) { - *wptr++ = wcPath[i]; - - if (wcPath[i] == '/') { - i++; - - while (wcPath[i] == '/') { - i++; - } - - i--; - } - } - - *wptr = '\0'; - - /* - * now convert back to the multi-byte format. - */ - - if (wcstombs(mbPath, wcPath, mbPathlen) == (size_t)-1) { - free(mbPath); - free(wcPath); - return (NULL); - } - - free(wcPath); - return (mbPath); -} -- cgit v1.2.3