blob: 85e4fbdfc1e3fab7223e25377ee3666eb2c95713 [file] [log] [blame]
Harry Liebel1bc9e1f2013-12-12 16:46:30 +00001/*
Dan Handleye83b0ca2014-01-14 18:17:09 +00002 * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
Harry Liebel1bc9e1f2013-12-12 16:46:30 +00003 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <stdio.h>
32#include <console.h>
33
34/* Putchar() should either return the character printed or EOF in case of error.
35 * Our current console_putc() function assumes success and returns the
36 * character. Write all other printing functions in terms of putchar(), if
37 * possible, so they all benefit when this is improved.
38 */
39int putchar(int c)
40{
41 int res;
42 if (console_putc((unsigned char)c) >= 0)
43 res = c;
44 else
45 res = EOF;
46
47 return res;
48}