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/* 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_strings.h"
#include <string.h>
#include "apr_arch_inherit.h"
static apr_status_t file_dup(apr_file_t **new_file, apr_file_t *old_file, apr_pool_t *p)
{
int rv;
apr_file_t *dup_file;
if (*new_file == NULL) {
dup_file = (apr_file_t *)apr_palloc(p, sizeof(apr_file_t));
if (dup_file == NULL) {
return APR_ENOMEM;
}
dup_file->filedes = -1;
} else {
dup_file = *new_file;
}
dup_file->pool = p;
rv = DosDupHandle(old_file->filedes, &dup_file->filedes);
if (rv) {
return APR_FROM_OS_ERROR(rv);
}
dup_file->fname = apr_pstrdup(dup_file->pool, old_file->fname);
dup_file->buffered = old_file->buffered;
dup_file->isopen = old_file->isopen;
dup_file->flags = old_file->flags & ~APR_INHERIT;
/* TODO - dup pipes correctly */
dup_file->pipe = old_file->pipe;
if (*new_file == NULL) {
apr_pool_cleanup_register(dup_file->pool, dup_file, apr_file_cleanup,
apr_pool_cleanup_null);
*new_file = dup_file;
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_dup(apr_file_t **new_file, apr_file_t *old_file, apr_pool_t *p)
{
if (*new_file) {
apr_file_close(*new_file);
(*new_file)->filedes = -1;
}
return file_dup(new_file, old_file, p);
}
APR_DECLARE(apr_status_t) apr_file_dup2(apr_file_t *new_file, apr_file_t *old_file, apr_pool_t *p)
{
return file_dup(&new_file, old_file, p);
}
APR_DECLARE(apr_status_t) apr_file_setaside(apr_file_t **new_file,
apr_file_t *old_file,
apr_pool_t *p)
{
*new_file = (apr_file_t *)apr_palloc(p, sizeof(apr_file_t));
memcpy(*new_file, old_file, sizeof(apr_file_t));
(*new_file)->pool = p;
if (old_file->buffered) {
(*new_file)->buffer = apr_palloc(p, APR_FILE_BUFSIZE);
if (old_file->direction == 1) {
memcpy((*new_file)->buffer, old_file->buffer, old_file->bufpos);
}
else {
memcpy((*new_file)->buffer, old_file->buffer, old_file->dataRead);
}
if (old_file->mutex) {
apr_thread_mutex_create(&((*new_file)->mutex),
APR_THREAD_MUTEX_DEFAULT, p);
apr_thread_mutex_destroy(old_file->mutex);
}
}
if (old_file->fname) {
(*new_file)->fname = apr_pstrdup(p, old_file->fname);
}
if (!(old_file->flags & APR_FILE_NOCLEANUP)) {
apr_pool_cleanup_register(p, (void *)(*new_file),
apr_file_cleanup,
apr_file_cleanup);
}
old_file->filedes = -1;
apr_pool_cleanup_kill(old_file->pool, (void *)old_file,
apr_file_cleanup);
return APR_SUCCESS;
}
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