6a3c2aded6
* Simplify EINTR/ECANCEL error handling 1. Add semaphore uninterruptible wait function 2 .Replace semaphore wait loop with a single uninterruptible wait 3. Replace all sem_xxx to nxsem_xxx * Unify the void cast usage 1. Remove void cast for function because many place ignore the returned value witout cast 2. Replace void cast for variable with UNUSED macro
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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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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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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