nuttx/include/regex.h
guoshichao e1096bd35c libc/regex: add regex implementation
add regex implementation for libc, the implementation are ported from
musl project

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
2023-05-17 10:25:18 +08:00

105 lines
3.0 KiB
C

/****************************************************************************
* include/regex.h
*
* regex.h - TRE POSIX compatible regex compilation functions.
*
* Copyright (c) 2001-2009 Ville Laurikari <vl@iki.fi>
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER 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
* HOLDER 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_REGEX_H
#define _INCLUDE_REGEX_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <sys/types.h>
#define regoff_t int
typedef struct re_pattern_buffer
{
size_t re_nsub;
void *__opaque;
void *__padding[4];
size_t __nsub2;
char __padding2;
} regex_t;
typedef struct
{
regoff_t rm_so;
regoff_t rm_eo;
} regmatch_t;
#define RE_DUP_MAX 255
#define REG_EXTENDED 1
#define REG_ICASE 2
#define REG_NEWLINE 4
#define REG_NOSUB 8
#define REG_NOTBOL 1
#define REG_NOTEOL 2
#define REG_OK 0
#define REG_NOMATCH 1
#define REG_BADPAT 2
#define REG_ECOLLATE 3
#define REG_ECTYPE 4
#define REG_EESCAPE 5
#define REG_ESUBREG 6
#define REG_EBRACK 7
#define REG_EPAREN 8
#define REG_EBRACE 9
#define REG_BADBR 10
#define REG_ERANGE 11
#define REG_ESPACE 12
#define REG_BADRPT 13
#define REG_ENOSYS -1
#ifdef __cplusplus
extern "C"
{
#endif
int regcomp(regex_t *__restrict, const char *__restrict, int);
int regexec(const regex_t * __restrict, const char *__restrict, size_t,
regmatch_t *__restrict, int);
void regfree(regex_t *);
size_t regerror(int, const regex_t *__restrict, char *__restrict, size_t);
#ifdef __cplusplus
}
#endif
#endif /* _INCLUDE_REGEX_H */