69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "config.h"
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#include "common/io.h"
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#include <unistd.h>
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int guac_common_write(int fd, void* buffer, int length) {
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unsigned char* bytes = (unsigned char*) buffer;
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while (length > 0) {
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/* Attempt write */
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int bytes_written = write(fd, bytes, length);
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if (bytes_written < 0)
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return bytes_written;
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/* Update buffer */
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length -= bytes_written;
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bytes += bytes_written;
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}
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/* Success */
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return length;
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}
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int guac_common_read(int fd, void* buffer, int length) {
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unsigned char* bytes = (unsigned char*) buffer;
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while (length > 0) {
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/* Attempt read */
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int bytes_read = read(fd, bytes, length);
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if (bytes_read < 0)
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return bytes_read;
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/* Update buffer */
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length -= bytes_read;
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bytes += bytes_read;
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}
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/* Success */
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return length;
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}
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