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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 "utils/s2n_io.h"
#include <errno.h>
#include "utils/s2n_safety.h"
S2N_RESULT s2n_io_check_write_result(ssize_t result)
{
if (result < 0) {
if (errno == EWOULDBLOCK || errno == EAGAIN) {
RESULT_BAIL(S2N_ERR_IO_BLOCKED);
}
RESULT_BAIL(S2N_ERR_IO);
}
return S2N_RESULT_OK;
}
S2N_RESULT s2n_io_check_read_result(ssize_t result)
{
RESULT_GUARD(s2n_io_check_write_result(result));
if (result == 0) {
RESULT_BAIL(S2N_ERR_CLOSED);
}
return S2N_RESULT_OK;
}
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