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cf9b111c17
Remove old comments that include the old arch/i386 directory. Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
50 lines
995 B
C
50 lines
995 B
C
/* -*- linux-c -*- ------------------------------------------------------- *
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*
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* Copyright (C) 1991, 1992 Linus Torvalds
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* Copyright 2007 rPath, Inc. - All Rights Reserved
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*
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* This file is part of the Linux kernel, and is made available under
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* the terms of the GNU General Public License version 2.
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*
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* ----------------------------------------------------------------------- */
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/*
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* Very basic string functions
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*/
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#include "boot.h"
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int strcmp(const char *str1, const char *str2)
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{
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const unsigned char *s1 = (const unsigned char *)str1;
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const unsigned char *s2 = (const unsigned char *)str2;
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int delta = 0;
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while (*s1 || *s2) {
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delta = *s2 - *s1;
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if (delta)
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return delta;
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s1++;
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s2++;
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}
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return 0;
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}
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size_t strnlen(const char *s, size_t maxlen)
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{
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const char *es = s;
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while (*es && maxlen) {
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es++;
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maxlen--;
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}
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return (es - s);
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}
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unsigned int atou(const char *s)
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{
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unsigned int i = 0;
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while (isdigit(*s))
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i = i * 10 + (*s++ - '0');
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return i;
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}
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