| /**************************************************************************** |
| * 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 */ |