source: trunk/libs/newlib/src/libgloss/read.c @ 675

Last change on this file since 675 was 444, checked in by satin@…, 7 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

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