putchar.c 578 Bytes
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/*
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 * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
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 *
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 * SPDX-License-Identifier: BSD-3-Clause
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 */

#include <stdio.h>
#include <console.h>

/* Putchar() should either return the character printed or EOF in case of error.
 * Our current console_putc() function assumes success and returns the
 * character. Write all other printing functions in terms of putchar(), if
 * possible, so they all benefit when this is improved.
 */
int putchar(int c)
{
	int res;
	if (console_putc((unsigned char)c) >= 0)
		res = c;
	else
		res = EOF;

	return res;
}