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re-order console output functions, add proper prototypes,

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drop claim that our files were blatantly copied, because they have been
rewritten a very long time ago.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4837 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2009-10-24 13:06:04 +00:00
committed by Stefan Reinauer
parent b53bed1567
commit 52fc6b12cb
10 changed files with 116 additions and 97 deletions
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58
src/console/vsprintf.c
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@ -1,45 +1,61 @@
/*
* linux/lib/vsprintf.c
* This file is part of the coreboot project.
*
* Copyright (C) 2009 coresystems GmbH
*
* Copyright (C) 1991, 1992 Linus Torvalds
* 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
*/
/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
/*
* Wirzenius wrote this portably, Torvalds fucked it up :-)
*/
#include <stdarg.h>
#include <string.h>
#include <smp/spinlock.h>
#include <console/vtxprintf.h>
int vtxprintf(void (*tx_byte)(unsigned char byte), const char *fmt, va_list args);
static spinlock_t vsprintf_lock = SPIN_LOCK_UNLOCKED;
int vsprintf(char * buf, const char *fmt, va_list args)
static char *str_buf;
static void str_tx_byte(unsigned char byte)
{
char *str_buf;
/* this function is only used by vsprintf.
To keep str_buf local (for reentrancy
and to avoid .bss use, nest it */
void str_tx_byte(unsigned char byte)
{
*str_buf = byte;
str_buf++;
}
*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, ...)
int sprintf(char *buf, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i=vsprintf(buf,fmt,args);
i = vsprintf(buf, fmt, args);
va_end(args);
return i;
}