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annotate loadagent/libnosys/write.c @ 1:da98dc08f575

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loadagent: beginning to lay the foundation
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 29 Apr 2013 03:21:00 +0000
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da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /* write.c -- write bytes to an output device.
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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2 *
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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3 * Copyright (c) 1995 Cygnus Support
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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4 *
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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5 * The authors hereby grant permission to use, copy, modify, distribute,
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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6 * and license this software and its documentation for any purpose, provided
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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7 * that existing copyright notices are retained in all copies and that this
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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8 * notice is included verbatim in any distributions. No written agreement,
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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9 * license, or royalty fee is required for any of the authorized uses.
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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10 * Modifications to this software may be copyrighted by their authors
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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11 * and need not follow the licensing terms described here, provided that
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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12 * the new terms are clearly indicated on the first page of each file where
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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13 * they apply.
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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14 */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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15 #include "glue.h"
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16
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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17 extern int _EXFUN (serial_out, (char x));
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18
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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19 /*
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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20 * write -- write bytes to the serial port. Ignore fd, since
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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21 * stdout and stderr are the same. Since we have no filesystem,
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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22 * open will only return an error.
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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23 */
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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24 int
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25 _DEFUN (_write, (fd, buf, nbytes),
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26 int fd _AND
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27 char *buf _AND
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28 int nbytes)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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29 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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30 int i;
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31
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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32 for (i = 0; i < nbytes; i++) {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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33 if (*(buf + i) == '\n') {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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34 serial_out ('\r');
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35 }
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36 serial_out (*(buf + i));
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37 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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38 return (nbytes);
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39 }