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.
17 #include "apr_arch_file_io.h"
18 #include "apr_file_io.h"
20 static apr_status_t apr_file_transfer_contents(const char *from_path,
23 apr_fileperms_t to_perms,
28 apr_fileperms_t perms;
30 /* Open source file. */
31 status = apr_file_open(&s, from_path, APR_READ | APR_LARGEFILE,
32 APR_OS_DEFAULT, pool);
36 /* Maybe get its permissions. */
37 if (to_perms == APR_FILE_SOURCE_PERMS) {
38 #if defined(HAVE_FSTAT64) && defined(O_LARGEFILE) && SIZEOF_OFF_T == 4
41 if (fstat64(s->filedes, &st) != 0)
44 perms = apr_unix_mode2perms(st.st_mode);
48 status = apr_file_info_get(&finfo, APR_FINFO_PROT, s);
49 if (status != APR_SUCCESS && status != APR_INCOMPLETE) {
50 apr_file_close(s); /* toss any error */
53 perms = finfo.protection;
60 status = apr_file_open(&d, to_path, flags, perms, pool);
62 apr_file_close(s); /* toss any error */
66 #if BUFSIZ > APR_FILE_DEFAULT_BUFSIZE
67 #define COPY_BUFSIZ BUFSIZ
69 #define COPY_BUFSIZ APR_FILE_DEFAULT_BUFSIZE
72 /* Copy bytes till the cows come home. */
74 char buf[COPY_BUFSIZ];
75 apr_size_t bytes_this_time = sizeof(buf);
76 apr_status_t read_err;
77 apr_status_t write_err;
80 read_err = apr_file_read(s, buf, &bytes_this_time);
81 if (read_err && !APR_STATUS_IS_EOF(read_err)) {
82 apr_file_close(s); /* toss any error */
83 apr_file_close(d); /* toss any error */
88 write_err = apr_file_write_full(d, buf, bytes_this_time, NULL);
90 apr_file_close(s); /* toss any error */
91 apr_file_close(d); /* toss any error */
95 if (read_err && APR_STATUS_IS_EOF(read_err)) {
96 status = apr_file_close(s);
98 apr_file_close(d); /* toss any error */
102 /* return the results of this close: an error, or success */
103 return apr_file_close(d);
109 APR_DECLARE(apr_status_t) apr_file_copy(const char *from_path,
111 apr_fileperms_t perms,
114 return apr_file_transfer_contents(from_path, to_path,
115 (APR_WRITE | APR_CREATE | APR_TRUNCATE
121 APR_DECLARE(apr_status_t) apr_file_append(const char *from_path,
123 apr_fileperms_t perms,
126 return apr_file_transfer_contents(from_path, to_path,
127 (APR_WRITE | APR_CREATE | APR_APPEND