72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
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* Copyright (C) 2013 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "config.h"
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#include "guac_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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