add apr to in tree libs

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3733 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/apr/file_io/os2/dir_make_recurse.c

@@ -0,0 +1,86 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_file_io.h"
+#include "apr_lib.h"
+#include "apr_strings.h"
+#include <string.h>
+
+#define IS_SEP(c) (c == '/' || c == '\\')
+
+/* Remove trailing separators that don't affect the meaning of PATH. */
+static const char *path_canonicalize(const char *path, apr_pool_t *pool)
+{
+    /* At some point this could eliminate redundant components.  For
+     * now, it just makes sure there is no trailing slash. */
+    apr_size_t len = strlen(path);
+    apr_size_t orig_len = len;
+
+    while ((len > 0) && IS_SEP(path[len - 1])) {
+        len--;
+    }
+
+    if (len != orig_len) {
+        return apr_pstrndup(pool, path, len);
+    }
+    else {
+        return path;
+    }
+}
+
+
+
+/* Remove one component off the end of PATH. */
+static char *path_remove_last_component(const char *path, apr_pool_t *pool)
+{
+    const char *newpath = path_canonicalize(path, pool);
+    int i;
+
+    for (i = strlen(newpath) - 1; i >= 0; i--) {
+        if (IS_SEP(path[i])) {
+            break;
+        }
+    }
+
+    return apr_pstrndup(pool, path, (i < 0) ? 0 : i);
+}
+
+
+
+apr_status_t apr_dir_make_recursive(const char *path, apr_fileperms_t perm,
+                                    apr_pool_t *pool)
+{
+    apr_status_t apr_err = APR_SUCCESS;
+    
+    apr_err = apr_dir_make(path, perm, pool); /* Try to make PATH right out */
+
+    if (APR_STATUS_IS_EEXIST(apr_err)) { /* It's OK if PATH exists */
+        return APR_SUCCESS;
+    }
+
+    if (APR_STATUS_IS_ENOENT(apr_err)) { /* Missing an intermediate dir */
+        char *dir;
+
+        dir = path_remove_last_component(path, pool);
+        apr_err = apr_dir_make_recursive(dir, perm, pool);
+
+        if (!apr_err) {
+            apr_err = apr_dir_make(path, perm, pool);
+        }
+    }
+
+    return apr_err;
+}