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authorBrian Behlendorf <[email protected]>2008-12-11 15:38:59 -0800
committerBrian Behlendorf <[email protected]>2008-12-11 15:38:59 -0800
commit6b2c60acca39ef3468797095d3a4162e6ce69786 (patch)
tree598cab78d45f233695d0e7c73e2e6ec44b8efd71 /lib/libspl/mkdirp.c
parenta4076c7544bdbdc0ac0fe20f4ef86c2aa06862fb (diff)
Moving lib/libspl to linux-libspl branch
Diffstat (limited to 'lib/libspl/mkdirp.c')
-rw-r--r--lib/libspl/mkdirp.c212
1 files changed, 0 insertions, 212 deletions
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 <sys/types.h>
-#include <libgen.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/stat.h>
-
-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);
-}