Last change
on this file since 680 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
1.1 KB
|
Rev | Line | |
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[444] | 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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