1 #ident "$Id: stdcon_read.c,v 1.3 2004/11/23 23:43:02 hpa Exp $"
2 /* ----------------------------------------------------------------------- *
4 * Copyright 2004 H. Peter Anvin - All Rights Reserved
6 * Permission is hereby granted, free of charge, to any person
7 * obtaining a copy of this software and associated documentation
8 * files (the "Software"), to deal in the Software without
9 * restriction, including without limitation the rights to use,
10 * copy, modify, merge, publish, distribute, sublicense, and/or
11 * sell copies of the Software, and to permit persons to whom
12 * the Software is furnished to do so, subject to the following
15 * The above copyright notice and this permission notice shall
16 * be included in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
20 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
22 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
27 * ----------------------------------------------------------------------- */
32 * Line-oriented reading from the standard console
41 extern ssize_t __rawcon_read(struct file_info *fp, void *buf, size_t count);
43 static ssize_t __stdcon_read(struct file_info *fp, void *buf, size_t count)
53 ch = *bufp++ = *fp->i.datap++;
59 fp->i.nbytes = __line_input(fp, fp->i.buf, MAXBLOCK,
61 fp->i.datap = fp->i.buf;
63 if ( fp->i.nbytes == 0 )
71 const struct input_dev dev_stdcon_r = {
72 .dev_magic = __DEV_MAGIC,
73 .flags = __DEV_TTY | __DEV_INPUT,
74 .fileflags = O_RDONLY,
75 .read = __stdcon_read,