blob: c4c91115c2e1ddc3076f0c3dce855489a4f05adc [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2009 coresystems GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <stdarg.h>
#include <string.h>
#include <smp/spinlock.h>
#include <console/vtxprintf.h>
static spinlock_t vsprintf_lock = SPIN_LOCK_UNLOCKED;
static char *str_buf;
static void str_tx_byte(unsigned char byte)
{
*str_buf = byte;
str_buf++;
}
static int vsprintf(char *buf, const char *fmt, va_list args)
{
int i;
spin_lock(&vsprintf_lock);
str_buf = buf;
i = vtxprintf(str_tx_byte, fmt, args);
*str_buf = '\0';
spin_unlock(&vsprintf_lock);
return i;
}
int sprintf(char *buf, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i = vsprintf(buf, fmt, args);
va_end(args);
return i;
}