/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2014 Garrett D'Amore <garrett@damore.org> * * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * Copyright 1989, 1994 by Mortice Kern Systems Inc. * All rights reserved. */ /* * Copyright 2017 Nexenta Systems, Inc. */ #ifndef _REGEX_H #define _REGEX_H #include <sys/feature_tests.h> #include <sys/types.h> #ifdef __cplusplus extern "C" { #endif /* * wchar_t is a built-in type in standard C++ and as such is not * defined here when using standard C++. However, the GNU compiler * fixincludes utility nonetheless creates its own version of this * header for use by gcc and g++. In that version it adds a redundant * guard for __cplusplus. To avoid the creation of a gcc/g++ specific * header we need to include the following magic comment: * * we must use the C++ compiler's type * * The above comment should not be removed or changed until GNU * gcc/fixinc/inclhack.def is updated to bypass this header. */ #if !defined(__cplusplus) || (__cplusplus < 199711L && !defined(__GNUG__)) #ifndef _WCHAR_T #define _WCHAR_T #if defined(_LP64) typedef int wchar_t; #else typedef long wchar_t; #endif #endif /* !_WCHAR_T */ #endif /* !defined(__cplusplus) ... */ typedef ssize_t regoff_t; /* regcomp flags */ #define REG_BASIC 0x00000 #define REG_EXTENDED 0x00001 /* Use Extended Regular Expressions */ #define REG_NOSUB 0x00002 /* Don't set subexpression */ #define REG_ICASE 0x00004 /* Ignore case in match */ #define REG_NEWLINE 0x00008 /* Treat \n as regular character */ #define REG_DELIM 0x00010 /* legacy, no effect */ #define REG_DEBUG 0x00020 /* legacy, no effect */ #define REG_ANCHOR 0x00040 /* legacy, no effect */ #define REG_WORDS 0x00080 /* legacy, no effect */ #define REG_EGREP 0x01000 /* legacy, no effect */ #define REG_DUMP 0x02000 /* internal */ #define REG_PEND 0x04000 /* NULs are ordinary characters */ #define REG_NOSPEC 0x08000 /* no special characters */ /* internal flags */ #define REG_MUST 0x00100 /* legacy, no effect */ /* regexec flags */ #define REG_NOTBOL 0x00200 /* string is not BOL */ #define REG_NOTEOL 0x00400 /* string has no EOL */ #define REG_NOOPT 0x00800 /* legacy, no effect */ #define REG_STARTEND 0x10000 /* match whole pattern */ #define REG_TRACE 0x20000 /* tracing of execution */ #define REG_LARGE 0x40000 /* force large representation */ #define REG_BACKR 0x80000 /* force use of backref code */ /* regcomp and regexec return codes */ #define REG_OK 0 /* success (non-standard) */ #define REG_NOMATCH 1 /* regexec failed to match */ #define REG_ECOLLATE 2 /* invalid collation element ref. */ #define REG_EESCAPE 3 /* trailing \ in pattern */ #define REG_ENEWLINE 4 /* \n found before end of pattern */ #define REG_ENSUB 5 /* more than 9 \( \) pairs (OBS) */ #define REG_ESUBREG 6 /* number in \[0-9] invalid */ #define REG_EBRACK 7 /* [ ] imbalance */ #define REG_EPAREN 8 /* ( ) imbalance */ #define REG_EBRACE 9 /* \{ \} imbalance */ #define REG_ERANGE 10 /* invalid endpoint in range */ #define REG_ESPACE 11 /* no memory for compiled pattern */ #define REG_BADRPT 12 /* invalid repetition */ #define REG_ECTYPE 13 /* invalid char-class type */ #define REG_BADPAT 14 /* syntax error */ #define REG_BADBR 15 /* \{ \} contents bad */ #define REG_EFATAL 16 /* internal error, not POSIX.2 */ #define REG_ECHAR 17 /* invalid multibyte character */ #define REG_STACK 18 /* backtrack stack overflow */ #define REG_ENOSYS 19 /* function not supported (XPG4) */ #define REG__LAST 20 /* first unused code */ #define REG_EBOL 21 /* ^ anchor and not BOL */ #define REG_EEOL 22 /* $ anchor and not EOL */ #define REG_ATOI 255 /* convert name to number (!) */ #define REG_ITOA 256 /* convert number to name (!) */ #define _REG_BACKREF_MAX 9 /* Max # of subexp. backreference */ typedef struct { /* regcomp() data saved for regexec() */ size_t re_nsub; /* # of subexpressions in RE pattern */ /* * Internal use only. Note that any changes to this structure * have to preserve sizing, as it is baked into applications. */ struct re_guts *re_g; int re_magic; const char *re_endp; /* here for compat */ size_t re_len; /* # wchar_t chars in compiled pattern */ struct _regex_ext_t *re_sc; /* for binary compatibility */ } regex_t; /* subexpression positions */ typedef struct { const char *rm_sp, *rm_ep; /* Start pointer, end pointer */ regoff_t rm_so, rm_eo; /* Start offset, end offset */ int rm_ss, rm_es; /* Used internally */ } regmatch_t; /* * IEEE Std 1003.2 ("POSIX.2") regular expressions API. */ extern int regcomp(regex_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, int); extern int regexec(const regex_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, size_t, regmatch_t *_RESTRICT_KYWD, int); extern size_t regerror(int, const regex_t *_RESTRICT_KYWD, char *_RESTRICT_KYWD, size_t); extern void regfree(regex_t *); #ifdef __cplusplus } #endif #endif /* _REGEX_H */
