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/****************************************************************************
* include/strings.h
*
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_STRINGS_H
#define __INCLUDE_STRINGS_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <string.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#if !defined(CONFIG_HAVE_INLINE) && !defined(__cplusplus)
/* Compatibility definitions
*
* Marked LEGACY in Open Group Base Specifications Issue 6/IEEE Std 1003.1-2004
* Removed from Open Group Base Specifications Issue 7/IEEE Std 1003.1-2008
*/
# define bcmp(b1,b2,len) memcmp(b1,b2,(size_t)len)
# define bcopy(b1,b2,len) (void)memmove(b2,b1,len)
# define bzero(s,n) (void)memset(s,0,n)
# define index(s,c) strchr(s,c)
# define rindex(s,c) strrchr(s,c)
#endif /* !CONFIG_HAVE_INLINE && !__cplusplus */
/****************************************************************************
* Inline Functions
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
#if defined(CONFIG_HAVE_INLINE) || defined(__cplusplus)
/* Compatibility inline functions.
*
* Marked LEGACY in Open Group Base Specifications Issue 6/IEEE Std 1003.1-2004
* Removed from Open Group Base Specifications Issue 7/IEEE Std 1003.1-2008
*/
static inline int bcmp(FAR const void *b1, FAR const void *b2, size_t len)
{
return memcmp(b1, b2, len);
}
static inline void bcopy(FAR const void *b1, FAR void *b2, size_t len)
{
(void)memmove(b2, b1, len);
}
static inline void bzero(FAR void *s, size_t len)
{
(void)memset(s, 0, len);
}
static inline FAR char *index(FAR const char *s, int c)
{
return strchr(s, c);
}
static inline FAR char *rindex(FAR const char *s, int c)
{
return strrchr(s, c);
}
#endif /* CONFIG_HAVE_INLINE || __cplusplus */
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
int ffs(int j);
int ffsl(long j);
#ifdef CONFIG_HAVE_LONG_LONG
int ffsll(long long j);
#endif
int fls(int j);
int flsl(long j);
#ifdef CONFIG_HAVE_LONG_LONG
int flsll(long long j);
#endif
int strcasecmp(FAR const char *, FAR const char *);
int strncasecmp(FAR const char *, FAR const char *, size_t);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_STRINGS_H */