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