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[/] [or1k/] [trunk/] [newlib/] [libgloss/] [rs6000/] [mvme-read.c] - Blame information for rev 1765

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Line No. Rev Author Line
1 39 lampret
/* mvme-read.c -- read bytes from a input device.
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 *
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 * Copyright (c) 1996 Cygnus Support
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 *
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 * The authors hereby grant permission to use, copy, modify, distribute,
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 * and license this software and its documentation for any purpose, provided
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 * that existing copyright notices are retained in all copies and that this
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 * notice is included verbatim in any distributions. No written agreement,
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 * license, or royalty fee is required for any of the authorized uses.
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 * Modifications to this software may be copyrighted by their authors
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 * and need not follow the licensing terms described here, provided that
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 * the new terms are clearly indicated on the first page of each file where
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 * they apply.
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 */
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extern int inbyte ();
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extern char * __inln ();
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/*
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 * read  -- read bytes from the serial port. Ignore fd, since
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 *          we only have stdin.
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 */
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int
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read (fd, buf, nbytes)
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     int fd;
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     char *buf;
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     int nbytes;
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{
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  if (nbytes >= 256)
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    {
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      char *read_end = __inln (buf);
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      *read_end = '\n';
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      return read_end - buf + 1;
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    }
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  else
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    {
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      int i, c;
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      for (i = 0; i < nbytes; i++) {
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        *buf++ = c = inbyte ();
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        if (c == '\n' || c == '\r') {
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          buf[-1] = '\n';       /* convert \r to \n */
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          buf[0] = '\0';
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          break;
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        }
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      }
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      return i;
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    }
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}

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