From 30d479c28c831a0d4f1fdb54a9e346b0fc176be1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 08:23:09 +0200 Subject: Adding upstream version 1.7.2. Signed-off-by: Daniel Baumann --- file_io/os2/buffer.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 file_io/os2/buffer.c (limited to 'file_io/os2/buffer.c') diff --git a/file_io/os2/buffer.c b/file_io/os2/buffer.c new file mode 100644 index 0000000..34e4e63 --- /dev/null +++ b/file_io/os2/buffer.c @@ -0,0 +1,59 @@ +/* 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_thread_mutex.h" + +APR_DECLARE(apr_status_t) apr_file_buffer_set(apr_file_t *file, + char * buffer, + apr_size_t bufsize) +{ + apr_status_t rv; + + apr_thread_mutex_lock(file->mutex); + + if(file->buffered) { + /* Flush the existing buffer */ + rv = apr_file_flush(file); + if (rv != APR_SUCCESS) { + apr_thread_mutex_unlock(file->mutex); + return rv; + } + } + + file->buffer = buffer; + file->bufsize = bufsize; + file->buffered = 1; + file->bufpos = 0; + file->direction = 0; + file->dataRead = 0; + + if (file->bufsize == 0) { + /* Setting the buffer size to zero is equivalent to turning + * buffering off. + */ + file->buffered = 0; + } + + apr_thread_mutex_unlock(file->mutex); + + return APR_SUCCESS; +} + +APR_DECLARE(apr_size_t) apr_file_buffer_size_get(apr_file_t *file) +{ + return file->bufsize; +} -- cgit v1.2.3