Last change
on this file since 458 was
444,
checked in by satin@…, 7 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.1 KB
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Line | |
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1 | /* read.c -- read bytes from a input device. |
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2 | * |
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3 | * Copyright (c) 1995 Cygnus Support |
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4 | * |
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5 | * The authors hereby grant permission to use, copy, modify, distribute, |
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6 | * and license this software and its documentation for any purpose, provided |
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7 | * that existing copyright notices are retained in all copies and that this |
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8 | * notice is included verbatim in any distributions. No written agreement, |
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9 | * license, or royalty fee is required for any of the authorized uses. |
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10 | * Modifications to this software may be copyrighted by their authors |
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11 | * and need not follow the licensing terms described here, provided that |
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12 | * the new terms are clearly indicated on the first page of each file where |
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13 | * they apply. |
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14 | */ |
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15 | #include "glue.h" |
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16 | |
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17 | extern char inbyte (void); |
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18 | |
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19 | /* |
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20 | * read -- read bytes from the serial port. Ignore fd, since |
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21 | * we only have stdin. |
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22 | */ |
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23 | int |
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24 | read (int fd, |
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25 | char *buf, |
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26 | int nbytes) |
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27 | { |
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28 | int i = 0; |
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29 | |
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30 | for (i = 0; i < nbytes; i++) { |
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31 | *(buf + i) = inbyte(); |
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32 | if ((*(buf + i) == '\n') || (*(buf + i) == '\r')) { |
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33 | i++; |
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34 | break; |
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35 | } |
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36 | } |
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37 | return (i); |
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38 | } |
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