136 lines
4.3 KiB
C
136 lines
4.3 KiB
C
/****************************************************************************
|
|
* 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)
|
|
{
|
|
memmove(b2, b1, len);
|
|
}
|
|
|
|
static inline void bzero(FAR void *s, size_t len)
|
|
{
|
|
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 */
|