incubator-nuttx/include/strings.h

109 lines
3.2 KiB
C

/****************************************************************************
* include/strings.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_STRINGS_H
#define __INCLUDE_STRINGS_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <string.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* 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
*/
#ifndef bcmp /* See mm/README.txt */
#define bcmp(b1,b2,len) memcmp(b1,b2,(size_t)len)
#endif
#ifndef bcopy /* See mm/README.txt */
#define bcopy(b1,b2,len) memmove(b2,b1,len)
#endif
#define strcasecmp_l(s1, s2, l) strcasecmp(s1, s2)
#define strncasecmp_l(s1, s2, n, l) strncasecmp(s1, s2, n)
/****************************************************************************
* Inline Functions
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* 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
unsigned int popcount(unsigned int j);
unsigned int popcountl(unsigned long j);
unsigned int popcountll(unsigned long long j);
FAR char *index(FAR const char *s, int c);
FAR char *rindex(FAR const char *s, int c);
int strcasecmp(FAR const char *, FAR const char *);
int strncasecmp(FAR const char *, FAR const char *, size_t);
void bzero(FAR void *s, size_t n);
#if CONFIG_FORTIFY_SOURCE > 0
fortify_function(bzero) void bzero(FAR void *s, size_t n)
{
fortify_assert(n <= fortify_size(s, 0));
return bzero(s, n);
}
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_STRINGS_H */