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/*
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 * Copyright (c) 2006 Josef Cejka
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup generic
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 * @{
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 */
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/** @file
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 */
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#include <print.h>
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#include <printf/printf_core.h>
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#include <putchar.h>
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#include <synch/spinlock.h>
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#include <arch/asm.h>
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SPINLOCK_INITIALIZE(printf_lock);           /**< vprintf spinlock */
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static int vprintf_write(const char *str, size_t count, void *unused)
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{
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    size_t i;
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    for (i = 0; i < count; i++)
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        putchar(str[i]);
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    return i;
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}
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int puts(const char *s)
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{
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    size_t i;
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    for (i = 0; s[i] != 0; i++)
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        putchar(s[i]);
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    return i;
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}
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int vprintf(const char *fmt, va_list ap)
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{
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    struct printf_spec ps = {(int(*)(void *, size_t, void *)) vprintf_write, NULL};
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    int irqpri = interrupts_disable();
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    spinlock_lock(&printf_lock);
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    int ret = printf_core(fmt, &ps, ap);
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    spinlock_unlock(&printf_lock);
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    interrupts_restore(irqpri);
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    return ret;
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}
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/** @}
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 */