1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #define APR_WANT_STRFUNC
19 #define APR_WANT_MEMFUNC
22 #include "apr_errno.h"
23 #include "apr_pools.h"
24 #include "apr_strings.h"
25 #include "apr_tables.h"
27 #include "apr_private.h"
29 apr_status_t apr_filepath_list_split_impl(apr_array_header_t **pathelts,
34 char *path, *part, *ptr;
35 char separator_string[2] = { '\0', '\0' };
36 apr_array_header_t *elts;
39 separator_string[0] = separator;
40 /* Count the number of path elements. We know there'll be at least
41 one even if path is an empty string. */
42 path = apr_pstrdup(p, liststr);
43 for (nelts = 0, ptr = path; ptr != NULL; ++nelts)
45 ptr = strchr(ptr, separator);
50 /* Split the path into the array. */
51 elts = apr_array_make(p, nelts, sizeof(char*));
52 while ((part = apr_strtok(path, separator_string, &ptr)) != NULL)
54 if (*part == '\0') /* Ignore empty path components. */
57 *(char**)apr_array_push(elts) = part;
58 path = NULL; /* For the next call to apr_strtok */
66 apr_status_t apr_filepath_list_merge_impl(char **liststr,
67 apr_array_header_t *pathelts,
71 apr_size_t path_size = 0;
75 /* This test isn't 100% certain, but it'll catch at least some
77 if (pathelts->elt_size != sizeof(char*))
80 /* Calculate the size of the merged path */
81 for (i = 0; i < pathelts->nelts; ++i)
82 path_size += strlen(((char**)pathelts->elts)[i]);
90 if (i > 0) /* Add space for the separators */
93 /* Merge the path components */
94 path = *liststr = apr_palloc(p, path_size + 1);
95 for (i = 0; i < pathelts->nelts; ++i)
97 /* ### Hmmmm. Calling strlen twice on the same string. Yuck.
98 But is is better than reallocation in apr_pstrcat? */
99 const char *part = ((char**)pathelts->elts)[i];
100 apr_size_t part_size = strlen(part);
101 if (part_size == 0) /* Ignore empty path components. */
106 memcpy(path, part, part_size);