incubator-nuttx/include/string.h

113 lines
4.5 KiB
C

/****************************************************************************
* include/string.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_STRING_H
#define __INCLUDE_STRING_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stddef.h>
#include <alloca.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define strcoll_l(s1, s2, l) strcoll(s1, s2)
#define strdupa(x) strcpy(alloca(strlen(x) + 1), x)
#define strerror_l(e, l) strerror(e)
#define strxfrm_l(s1, s2, n, l) strxfrm(s1, s2, n)
#define strndupa(x, l) ({ \
FAR const char *__old = (x); \
size_t __len = strnlen(__old, (l)); \
FAR char *__new = alloca(__len + 1); \
__new[__len] = '\0'; \
(FAR char *)memcpy(__new, __old, __len); \
})
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
FAR char *strdup(FAR const char *s) malloc_like;
FAR char *strndup(FAR const char *s, size_t size) malloc_like;
FAR char *strerror(int);
int strerror_r(int, FAR char *, size_t);
size_t strlen(FAR const char *);
size_t strnlen(FAR const char *, size_t);
FAR char *strcat(FAR char *, FAR const char *);
size_t strlcat(FAR char *, FAR const char *, size_t);
FAR char *strncat(FAR char *, FAR const char *, size_t);
int strcmp(FAR const char *, FAR const char *);
int strncmp(FAR const char *, FAR const char *, size_t);
int strcoll(FAR const char *, FAR const char *s2);
FAR char *strcpy(FAR char *dest, FAR const char *src);
FAR char *stpcpy(FAR char *dest, FAR const char *src);
size_t strlcpy(FAR char *dst, FAR const char *src, size_t siz);
FAR char *strncpy(FAR char *, FAR const char *, size_t);
FAR char *stpncpy(FAR char *, FAR const char *, size_t);
FAR char *strpbrk(FAR const char *, FAR const char *);
FAR char *strchr(FAR const char *s, int c);
FAR char *strchrnul(FAR const char *s, int c);
FAR char *strrchr(FAR const char *s, int c);
size_t strspn(FAR const char *, FAR const char *);
size_t strcspn(FAR const char *, FAR const char *);
FAR char *strstr(FAR const char *, FAR const char *);
FAR char *strcasestr(FAR const char *, FAR const char *);
FAR char *strsep(FAR char **, FAR const char *);
FAR char *strsignal(int signum);
FAR char *strtok(FAR char *, FAR const char *);
FAR char *strtok_r(FAR char *, FAR const char *, FAR char **);
size_t strxfrm(FAR char *, FAR const char *, size_t n);
FAR void *memchr(FAR const void *s, int c, size_t n);
FAR void *memrchr(FAR const void *s, int c, size_t n);
FAR void *memccpy(FAR void *s1, FAR const void *s2, int c, size_t n);
int memcmp(FAR const void *s1, FAR const void *s2, size_t n);
FAR void *memcpy(FAR void *dest, FAR const void *src, size_t n);
FAR void *memmove(FAR void *dest, FAR const void *src, size_t count);
FAR void *memset(FAR void *s, int c, size_t n);
FAR void *memmem(FAR const void *haystack, size_t haystacklen,
FAR const void *needle, size_t needlelen);
void explicit_bzero(FAR void *s, size_t n);
int timingsafe_bcmp(FAR const void *b1, FAR const void *b2, size_t n);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_STRING_H */