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
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
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.
15 */
16
17#ifndef FILE_IO_H
18#define FILE_IO_H
19
20#include "apr_private.h"
21#include "apr_general.h"
22#include "apr_thread_mutex.h"
23#include "apr_file_io.h"
24#include "apr_file_info.h"
25#include "apr_errno.h"
26#include "apr_poll.h"
27
28/* We have an implementation of mkstemp but it's not very multi-threading
29 * friendly & is part of the POSIX emulation rather than native so don't
30 * use it.
31 */
32#undef HAVE_MKSTEMP
33
34#define APR_FILE_DEFAULT_BUFSIZE 4096
35#define APR_FILE_BUFSIZE APR_FILE_DEFAULT_BUFSIZE
36
37struct apr_file_t {
38    apr_pool_t *pool;
39    HFILE filedes;
40    char * fname;
41    int isopen;
42    int buffered;
43    int eof_hit;
44    apr_int32_t flags;
45    int timeout;
46    int pipe;
47    HEV pipeSem;
48    enum { BLK_UNKNOWN, BLK_OFF, BLK_ON } blocking;
49
50    /* Stuff for buffered mode */
51    char *buffer;
52    apr_size_t bufsize;        /* Read/Write position in buffer             */
53    apr_size_t bufpos;         /* Read/Write position in buffer             */
54    unsigned long dataRead;    /* amount of valid data read into buffer     */
55    int direction;             /* buffer being used for 0 = read, 1 = write */
56    unsigned long filePtr;     /* position in file of handle                */
57    apr_thread_mutex_t *mutex; /* mutex semaphore, must be owned to access
58                                  the above fields                          */
59};
60
61struct apr_dir_t {
62    apr_pool_t *pool;
63    char *dirname;
64    ULONG handle;
65    FILEFINDBUF3 entry;
66    int validentry;
67};
68
69apr_status_t apr_file_cleanup(void *);
70apr_status_t apr_os2_time_to_apr_time(apr_time_t *result, FDATE os2date,
71                                      FTIME os2time);
72apr_status_t apr_apr_time_to_os2_time(FDATE *os2date, FTIME *os2time,
73                                      apr_time_t aprtime);
74
75/* see win32/fileio.h for description of these */
76extern const char c_is_fnchar[256];
77
78#define IS_FNCHAR(c) c_is_fnchar[(unsigned char)c]
79
80apr_status_t filepath_root_test(char *path, apr_pool_t *p);
81apr_status_t filepath_drive_get(char **rootpath, char drive,
82                                apr_int32_t flags, apr_pool_t *p);
83apr_status_t filepath_root_case(char **rootpath, char *root, apr_pool_t *p);
84
85#endif  /* ! FILE_IO_H */
86
87