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https://github.com/fail0verflow/switch-coreboot.git
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9caaf62dd5
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@315 f3766cd6-281f-0410-b1cd-43a5c92072e9
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* linux/lib/vsprintf.c
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*
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* Copyright (C) 1991, 1992 Linus Torvalds
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*/
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/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
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/*
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* Wirzenius wrote this portably, Torvalds fucked it up :-)
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*/
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#include <stdarg.h>
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#include <string.h>
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#include <console.h>
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int vtxprintf(void (*tx_byte) (unsigned char byte, void *arg), void *arg, const char *fmt,
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va_list args);
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/* the arg is the char ** for the buffer */
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static void str_tx_byte(unsigned char byte, void *arg)
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{
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unsigned char *cp = *(unsigned char **) arg;
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*cp = byte;
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cp++;
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/* paranoia, make sure it will be null terminated. The cost for this is small,
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* the benefit large.
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*/
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*cp = 0;
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*(unsigned char **) arg = cp;
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}
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int sprintf(char *buf, const char *fmt, ...)
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{
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va_list args;
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int i;
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unsigned char *cp = (unsigned char *)buf;
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unsigned char **cpp = &cp;
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va_start(args, fmt);
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i = vtxprintf(str_tx_byte, cpp, fmt, args);
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va_end(args);
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return i;
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}
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