baseport/syborg/svphostfs/driver/stringops.c
author William Roberts <williamr@symbian.org>
Tue, 04 Aug 2009 10:28:23 +0100
changeset 2 d55eb581a87c
parent 0 baseport/src/cedar/generic/base/syborg/svphostfs/driver/stringops.c@ffa851df0825
permissions -rw-r--r--
Move syborg baseport from old src/cedar/generic layout to baseport/syborg
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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char * strchr (const char *p, int ch)
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	{
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	char c;
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	c = ch;
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	for (;; ++p) 
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		{
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		if (*p == c)
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			return ((char *)p);
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		if (*p == '\0')
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			return (char *)(0);
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		}
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	/* NOTREACHED */
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	}
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unsigned int strlen(const char *str)
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	{
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	const char *s;
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	for (s = str; *s; ++s)	{	}
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	return(s - str);
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	}
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int strcmp(const char *s1, const char *s2)
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	{
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	while (*s1 == *s2++)
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		if (*s1++ == 0)
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			return (0);
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	return (*(const unsigned char *)s1 - *(const unsigned char *)(s2 - 1));
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	}
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void * memchr(const void *s, int c, unsigned n)
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	{
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	if (n != 0) 
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		{
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		const unsigned char *p = s;
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		do 
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			{
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			if (*p++ == (unsigned char)c)
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				return ((void *)(p - 1));
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			} while (--n != 0);
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		}
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	// Not found
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	return (void *)0;
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	}
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int memcmp(const void *s1, const void *s2, unsigned n)
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	{
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	if (n != 0) 
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		{
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		const unsigned char *p1 = s1, *p2 = s2;
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		do 
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			{
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			if (*p1++ != *p2++)
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				return (*--p1 - *--p2);
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			} while (--n != 0);
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		}
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	return (0);
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	}
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#ifdef __cplusplus
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}
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#endif