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DEFINITIONS
This source file includes following definitions.
- apr_file_cleanup
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
/* 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_arch_file_io.h"
#include "apr_file_io.h"
#include "apr_lib.h"
#include "apr_portable.h"
#include "apr_strings.h"
#include "apr_arch_inherit.h"
#include <string.h>
apr_status_t apr_file_cleanup(void *thefile)
{
apr_file_t *file = thefile;
return apr_file_close(file);
}
APR_DECLARE(apr_status_t) apr_file_open(apr_file_t **new, const char *fname, apr_int32_t flag, apr_fileperms_t perm, apr_pool_t *pool)
{
int oflags = 0;
int mflags = OPEN_FLAGS_FAIL_ON_ERROR|OPEN_SHARE_DENYNONE|OPEN_FLAGS_NOINHERIT;
int rv;
ULONG action;
apr_file_t *dafile = (apr_file_t *)apr_palloc(pool, sizeof(apr_file_t));
dafile->pool = pool;
dafile->isopen = FALSE;
dafile->eof_hit = FALSE;
dafile->buffer = NULL;
dafile->flags = flag;
dafile->blocking = BLK_ON;
if ((flag & APR_READ) && (flag & APR_WRITE)) {
mflags |= OPEN_ACCESS_READWRITE;
} else if (flag & APR_READ) {
mflags |= OPEN_ACCESS_READONLY;
} else if (flag & APR_WRITE) {
mflags |= OPEN_ACCESS_WRITEONLY;
} else {
dafile->filedes = -1;
return APR_EACCES;
}
dafile->buffered = (flag & APR_BUFFERED) > 0;
if (dafile->buffered) {
dafile->buffer = apr_palloc(pool, APR_FILE_DEFAULT_BUFSIZE);
dafile->bufsize = APR_FILE_DEFAULT_BUFSIZE;
rv = apr_thread_mutex_create(&dafile->mutex, 0, pool);
if (rv)
return rv;
}
if (flag & APR_CREATE) {
oflags |= OPEN_ACTION_CREATE_IF_NEW;
if (!(flag & APR_EXCL) && !(flag & APR_TRUNCATE)) {
oflags |= OPEN_ACTION_OPEN_IF_EXISTS;
}
}
if ((flag & APR_EXCL) && !(flag & APR_CREATE))
return APR_EACCES;
if (flag & APR_TRUNCATE) {
oflags |= OPEN_ACTION_REPLACE_IF_EXISTS;
} else if ((oflags & 0xFF) == 0) {
oflags |= OPEN_ACTION_OPEN_IF_EXISTS;
}
rv = DosOpen(fname, &(dafile->filedes), &action, 0, 0, oflags, mflags, NULL);
if (rv == 0 && (flag & APR_APPEND)) {
ULONG newptr;
rv = DosSetFilePtr(dafile->filedes, 0, FILE_END, &newptr );
if (rv)
DosClose(dafile->filedes);
}
if (rv != 0)
return APR_FROM_OS_ERROR(rv);
dafile->isopen = TRUE;
dafile->fname = apr_pstrdup(pool, fname);
dafile->filePtr = 0;
dafile->bufpos = 0;
dafile->dataRead = 0;
dafile->direction = 0;
dafile->pipe = FALSE;
if (!(flag & APR_FILE_NOCLEANUP)) {
apr_pool_cleanup_register(dafile->pool, dafile, apr_file_cleanup, apr_file_cleanup);
}
*new = dafile;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_close(apr_file_t *file)
{
ULONG rc;
apr_status_t status;
if (file && file->isopen) {
/* XXX: flush here is not mutex protected */
status = apr_file_flush(file);
rc = DosClose(file->filedes);
if (rc == 0) {
file->isopen = FALSE;
if (file->flags & APR_DELONCLOSE) {
status = APR_FROM_OS_ERROR(DosDelete(file->fname));
}
/* else we return the status of the flush attempt
* when all else succeeds
*/
} else {
return APR_FROM_OS_ERROR(rc);
}
}
if (file->buffered)
apr_thread_mutex_destroy(file->mutex);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_remove(const char *path, apr_pool_t *pool)
{
ULONG rc = DosDelete(path);
return APR_FROM_OS_ERROR(rc);
}
APR_DECLARE(apr_status_t) apr_file_rename(const char *from_path, const char *to_path,
apr_pool_t *p)
{
ULONG rc = DosMove(from_path, to_path);
if (rc == ERROR_ACCESS_DENIED || rc == ERROR_ALREADY_EXISTS) {
rc = DosDelete(to_path);
if (rc == 0 || rc == ERROR_FILE_NOT_FOUND) {
rc = DosMove(from_path, to_path);
}
}
return APR_FROM_OS_ERROR(rc);
}
APR_DECLARE(apr_status_t) apr_os_file_get(apr_os_file_t *thefile, apr_file_t *file)
{
*thefile = file->filedes;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_os_file_put(apr_file_t **file, apr_os_file_t *thefile, apr_int32_t flags, apr_pool_t *pool)
{
apr_os_file_t *dafile = thefile;
(*file) = apr_palloc(pool, sizeof(apr_file_t));
(*file)->pool = pool;
(*file)->filedes = *dafile;
(*file)->isopen = TRUE;
(*file)->eof_hit = FALSE;
(*file)->flags = flags;
(*file)->pipe = FALSE;
(*file)->buffered = (flags & APR_BUFFERED) > 0;
if ((*file)->buffered) {
apr_status_t rv;
(*file)->buffer = apr_palloc(pool, APR_FILE_DEFAULT_BUFSIZE);
(*file)->bufsize = APR_FILE_DEFAULT_BUFSIZE;
rv = apr_thread_mutex_create(&(*file)->mutex, 0, pool);
if (rv)
return rv;
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_eof(apr_file_t *fptr)
{
if (!fptr->isopen || fptr->eof_hit == 1) {
return APR_EOF;
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_open_flags_stderr(apr_file_t **thefile,
apr_int32_t flags,
apr_pool_t *pool)
{
apr_os_file_t fd = 2;
return apr_os_file_put(thefile, &fd, flags | APR_WRITE, pool);
}
APR_DECLARE(apr_status_t) apr_file_open_flags_stdout(apr_file_t **thefile,
apr_int32_t flags,
apr_pool_t *pool)
{
apr_os_file_t fd = 1;
return apr_os_file_put(thefile, &fd, flags | APR_WRITE, pool);
}
APR_DECLARE(apr_status_t) apr_file_open_flags_stdin(apr_file_t **thefile,
apr_int32_t flags,
apr_pool_t *pool)
{
apr_os_file_t fd = 0;
return apr_os_file_put(thefile, &fd, flags | APR_READ, pool);
}
APR_DECLARE(apr_status_t) apr_file_open_stderr(apr_file_t **thefile, apr_pool_t *pool)
{
return apr_file_open_flags_stderr(thefile, 0, pool);
}
APR_DECLARE(apr_status_t) apr_file_open_stdout(apr_file_t **thefile, apr_pool_t *pool)
{
return apr_file_open_flags_stdout(thefile, 0, pool);
}
APR_DECLARE(apr_status_t) apr_file_open_stdin(apr_file_t **thefile, apr_pool_t *pool)
{
return apr_file_open_flags_stdin(thefile, 0, pool);
}
APR_POOL_IMPLEMENT_ACCESSOR(file);
APR_DECLARE(apr_status_t) apr_file_inherit_set(apr_file_t *thefile)
{
int rv;
ULONG state;
rv = DosQueryFHState(thefile->filedes, &state);
if (rv == 0 && (state & OPEN_FLAGS_NOINHERIT) != 0) {
rv = DosSetFHState(thefile->filedes, state & ~OPEN_FLAGS_NOINHERIT);
}
return APR_FROM_OS_ERROR(rv);
}
APR_DECLARE(apr_status_t) apr_file_inherit_unset(apr_file_t *thefile)
{
int rv;
ULONG state;
rv = DosQueryFHState(thefile->filedes, &state);
if (rv == 0 && (state & OPEN_FLAGS_NOINHERIT) == 0) {
rv = DosSetFHState(thefile->filedes, state | OPEN_FLAGS_NOINHERIT);
}
return APR_FROM_OS_ERROR(rv);
}