Switch to the current NetBSD regex implementation.

Change-Id: If32b28dd85d6a7ab8957ab81d19fa4c0de9499d5
This commit is contained in:
Elliott Hughes
2012-08-14 15:32:42 -07:00
parent 53493a9b26
commit cc213f871b
18 changed files with 1832 additions and 717 deletions

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/* $NetBSD: creat.c,v 1.10 2003/08/07 16:42:39 agc Exp $ */
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. 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.
* 3. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)creat.c 8.1 (Berkeley) 6/2/93";
#else
__RCSID("$NetBSD: creat.c,v 1.10 2003/08/07 16:42:39 agc Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
int
creat(const char *path, mode_t mode)
{
_DIAGASSERT(path != NULL);
return(open(path, O_WRONLY|O_CREAT|O_TRUNC, mode));
}

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/* $NetBSD: cclass.h,v 1.7 2003/08/07 16:43:19 agc Exp $ */
/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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 of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)cclass.h 8.3 (Berkeley) 3/20/94
*/
/*-
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)cclass.h 8.3 (Berkeley) 3/20/94
*/
/* character-class table */
static const struct cclass {
const char *name;
const char *chars;
const char *multis;
} cclasses[] = {
{ "alnum", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\
0123456789", "" },
{ "alpha", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
"" },
{ "blank", " \t", "" },
{ "cntrl", "\007\b\t\n\v\f\r\1\2\3\4\5\6\16\17\20\21\22\23\24\
\25\26\27\30\31\32\33\34\35\36\37\177", "" },
{ "digit", "0123456789", "" },
{ "graph", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\
0123456789!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~",
"" },
{ "lower", "abcdefghijklmnopqrstuvwxyz",
"" },
{ "print", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\
0123456789!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~ ",
"" },
{ "punct", "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~",
"" },
{ "space", "\t\n\v\f\r ", "" },
{ "upper", "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
"" },
{ "xdigit", "0123456789ABCDEFabcdef",
"" },
{ NULL, 0, "" }
};

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/* $NetBSD: cname.h,v 1.7 2003/08/07 16:43:19 agc Exp $ */
/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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 of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)cname.h 8.3 (Berkeley) 3/20/94
*/
/*-
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)cname.h 8.3 (Berkeley) 3/20/94
*/
/* character-name table */
static const struct cname {
const char *name;
char code;
} cnames[] = {
{ "NUL", '\0' },
{ "SOH", '\001' },
{ "STX", '\002' },
{ "ETX", '\003' },
{ "EOT", '\004' },
{ "ENQ", '\005' },
{ "ACK", '\006' },
{ "BEL", '\007' },
{ "alert", '\007' },
{ "BS", '\010' },
{ "backspace", '\b' },
{ "HT", '\011' },
{ "tab", '\t' },
{ "LF", '\012' },
{ "newline", '\n' },
{ "VT", '\013' },
{ "vertical-tab", '\v' },
{ "FF", '\014' },
{ "form-feed", '\f' },
{ "CR", '\015' },
{ "carriage-return", '\r' },
{ "SO", '\016' },
{ "SI", '\017' },
{ "DLE", '\020' },
{ "DC1", '\021' },
{ "DC2", '\022' },
{ "DC3", '\023' },
{ "DC4", '\024' },
{ "NAK", '\025' },
{ "SYN", '\026' },
{ "ETB", '\027' },
{ "CAN", '\030' },
{ "EM", '\031' },
{ "SUB", '\032' },
{ "ESC", '\033' },
{ "IS4", '\034' },
{ "FS", '\034' },
{ "IS3", '\035' },
{ "GS", '\035' },
{ "IS2", '\036' },
{ "RS", '\036' },
{ "IS1", '\037' },
{ "US", '\037' },
{ "space", ' ' },
{ "exclamation-mark", '!' },
{ "quotation-mark", '"' },
{ "number-sign", '#' },
{ "dollar-sign", '$' },
{ "percent-sign", '%' },
{ "ampersand", '&' },
{ "apostrophe", '\'' },
{ "left-parenthesis", '(' },
{ "right-parenthesis", ')' },
{ "asterisk", '*' },
{ "plus-sign", '+' },
{ "comma", ',' },
{ "hyphen", '-' },
{ "hyphen-minus", '-' },
{ "period", '.' },
{ "full-stop", '.' },
{ "slash", '/' },
{ "solidus", '/' },
{ "zero", '0' },
{ "one", '1' },
{ "two", '2' },
{ "three", '3' },
{ "four", '4' },
{ "five", '5' },
{ "six", '6' },
{ "seven", '7' },
{ "eight", '8' },
{ "nine", '9' },
{ "colon", ':' },
{ "semicolon", ';' },
{ "less-than-sign", '<' },
{ "equals-sign", '=' },
{ "greater-than-sign", '>' },
{ "question-mark", '?' },
{ "commercial-at", '@' },
{ "left-square-bracket", '[' },
{ "backslash", '\\' },
{ "reverse-solidus", '\\' },
{ "right-square-bracket", ']' },
{ "circumflex", '^' },
{ "circumflex-accent", '^' },
{ "underscore", '_' },
{ "low-line", '_' },
{ "grave-accent", '`' },
{ "left-brace", '{' },
{ "left-curly-bracket", '{' },
{ "vertical-line", '|' },
{ "right-brace", '}' },
{ "right-curly-bracket", '}' },
{ "tilde", '~' },
{ "DEL", '\177' },
{ NULL, 0 },
};

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/* $NetBSD: regerror.c,v 1.23 2007/02/09 23:44:18 junyoung Exp $ */
/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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 of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)regerror.c 8.4 (Berkeley) 3/20/94
*/
/*-
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)regerror.c 8.4 (Berkeley) 3/20/94
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)regerror.c 8.4 (Berkeley) 3/20/94";
#else
__RCSID("$NetBSD: regerror.c,v 1.23 2007/02/09 23:44:18 junyoung Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <regex.h>
#ifdef __weak_alias
__weak_alias(regerror,_regerror)
#endif
#include "utils.h"
/* ========= begin header generated by ./mkh ========= */
#ifdef __cplusplus
extern "C" {
#endif
/* === regerror.c === */
static const char *regatoi(const regex_t *preg, char *localbuf, size_t buflen);
#ifdef __cplusplus
}
#endif
/* ========= end header generated by ./mkh ========= */
/*
= #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_EMPTY 14
= #define REG_ASSERT 15
= #define REG_INVARG 16
= #define REG_ATOI 255 // convert name to number (!)
= #define REG_ITOA 0400 // convert number to name (!)
*/
static const struct rerr {
int code;
const char *name;
const char *explain;
} rerrs[] = {
{ REG_NOMATCH, "REG_NOMATCH", "regexec() failed to match" },
{ REG_BADPAT, "REG_BADPAT", "invalid regular expression" },
{ REG_ECOLLATE, "REG_ECOLLATE", "invalid collating element" },
{ REG_ECTYPE, "REG_ECTYPE", "invalid character class" },
{ REG_EESCAPE, "REG_EESCAPE", "trailing backslash (\\)" },
{ REG_ESUBREG, "REG_ESUBREG", "invalid backreference number" },
{ REG_EBRACK, "REG_EBRACK", "brackets ([ ]) not balanced" },
{ REG_EPAREN, "REG_EPAREN", "parentheses not balanced" },
{ REG_EBRACE, "REG_EBRACE", "braces not balanced" },
{ REG_BADBR, "REG_BADBR", "invalid repetition count(s)" },
{ REG_ERANGE, "REG_ERANGE", "invalid character range" },
{ REG_ESPACE, "REG_ESPACE", "out of memory" },
{ REG_BADRPT, "REG_BADRPT", "repetition-operator operand invalid" },
{ REG_EMPTY, "REG_EMPTY", "empty (sub)expression" },
{ REG_ASSERT, "REG_ASSERT", "\"can't happen\" -- you found a bug" },
{ REG_INVARG, "REG_INVARG", "invalid argument to regex routine" },
{ 0, "", "*** unknown regexp error code ***" }
};
/*
* regerror - the interface to error numbers
* extern size_t regerror(int, const regex_t *, char *, size_t);
*/
/* ARGSUSED */
size_t
regerror(
int errcode,
const regex_t *preg,
char *errbuf,
size_t errbuf_size)
{
const struct rerr *r;
size_t len;
int target = errcode &~ REG_ITOA;
const char *s;
char convbuf[50];
_DIAGASSERT(errcode != REG_ATOI || preg != NULL);
_DIAGASSERT(errbuf != NULL);
if (errcode == REG_ATOI)
s = regatoi(preg, convbuf, sizeof convbuf);
else {
for (r = rerrs; r->code != 0; r++)
if (r->code == target)
break;
if (errcode & REG_ITOA) {
if (r->code != 0) {
(void)strlcpy(convbuf, r->name, sizeof convbuf);
} else
(void)snprintf(convbuf, sizeof convbuf,
"REG_0x%x", target);
s = convbuf;
} else
s = r->explain;
}
len = strlen(s) + 1;
if (errbuf_size > 0)
(void)strlcpy(errbuf, s, errbuf_size);
return(len);
}
/*
* regatoi - internal routine to implement REG_ATOI
* static const char *regatoi(const regex_t *preg, char *localbuf,
* size_t buflen);
*/
static const char *
regatoi(
const regex_t *preg,
char *localbuf,
size_t buflen)
{
const struct rerr *r;
for (r = rerrs; r->code != 0; r++)
if (strcmp(r->name, preg->re_endp) == 0)
break;
if (r->code == 0)
return "0";
(void)snprintf(localbuf, buflen, "%d", r->code);
return localbuf;
}

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/* $NetBSD: regex2.h,v 1.13 2011/10/09 18:23:00 christos Exp $ */
/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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 of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)regex2.h 8.4 (Berkeley) 3/20/94
*/
/*-
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)regex2.h 8.4 (Berkeley) 3/20/94
*/
/*
* First, the stuff that ends up in the outside-world include file
= typedef off_t regoff_t;
= typedef struct {
= int re_magic;
= size_t re_nsub; // number of parenthesized subexpressions
= const char *re_endp; // end pointer for REG_PEND
= struct re_guts *re_g; // none of your business :-)
= } regex_t;
= typedef struct {
= regoff_t rm_so; // start of match
= regoff_t rm_eo; // end of match
= } regmatch_t;
*/
/*
* internals of regex_t
*/
#define MAGIC1 ((('r'^0200)<<8) | 'e')
/*
* The internal representation is a *strip*, a sequence of
* operators ending with an endmarker. (Some terminology etc. is a
* historical relic of earlier versions which used multiple strips.)
* Certain oddities in the representation are there to permit running
* the machinery backwards; in particular, any deviation from sequential
* flow must be marked at both its source and its destination. Some
* fine points:
*
* - OPLUS_ and O_PLUS are *inside* the loop they create.
* - OQUEST_ and O_QUEST are *outside* the bypass they create.
* - OCH_ and O_CH are *outside* the multi-way branch they create, while
* OOR1 and OOR2 are respectively the end and the beginning of one of
* the branches. Note that there is an implicit OOR2 following OCH_
* and an implicit OOR1 preceding O_CH.
*
* In state representations, an operator's bit is on to signify a state
* immediately *preceding* "execution" of that operator.
*/
typedef u_int32_t sop; /* strip operator */
typedef size_t sopno;
#define OPRMASK ((u_int32_t)0xf8000000UL)
#define OPDMASK ((u_int32_t)0x07ffffffUL)
#define OPSHIFT ((unsigned)27)
#define OP(n) ((n)&OPRMASK)
#define OPND(n) ((int)((n)&OPDMASK))
#define SOP(op, opnd) ((op)|(opnd))
#define OPC(n) (((u_int32_t)(n))<<OPSHIFT)
/* operators meaning operand */
/* (back, fwd are offsets) */
#define OEND OPC(1) /* endmarker - */
#define OCHAR OPC(2) /* character unsigned char */
#define OBOL OPC(3) /* left anchor - */
#define OEOL OPC(4) /* right anchor - */
#define OANY OPC(5) /* . - */
#define OANYOF OPC(6) /* [...] set number */
#define OBACK_ OPC(7) /* begin \d paren number */
#define O_BACK OPC(8) /* end \d paren number */
#define OPLUS_ OPC(9) /* + prefix fwd to suffix */
#define O_PLUS OPC(10) /* + suffix back to prefix */
#define OQUEST_ OPC(11) /* ? prefix fwd to suffix */
#define O_QUEST OPC(12) /* ? suffix back to prefix */
#define OLPAREN OPC(13) /* ( fwd to ) */
#define ORPAREN OPC(14) /* ) back to ( */
#define OCH_ OPC(15) /* begin choice fwd to OOR2 */
#define OOR1 OPC(16) /* | pt. 1 back to OOR1 or OCH_ */
#define OOR2 OPC(17) /* | pt. 2 fwd to OOR2 or O_CH */
#define O_CH OPC(18) /* end choice back to OOR1 */
#define OBOW OPC(19) /* begin word - */
#define OEOW OPC(20) /* end word - */
/*
* Structure for [] character-set representation. Character sets are
* done as bit vectors, grouped 8 to a byte vector for compactness.
* The individual set therefore has both a pointer to the byte vector
* and a mask to pick out the relevant bit of each byte. A hash code
* simplifies testing whether two sets could be identical.
*
* This will get trickier for multicharacter collating elements. As
* preliminary hooks for dealing with such things, we also carry along
* a string of multi-character elements, and decide the size of the
* vectors at run time.
*/
typedef struct {
uch *ptr; /* -> uch [csetsize] */
uch mask; /* bit within array */
uch hash; /* hash code */
size_t smultis;
char *multis; /* -> char[smulti] ab\0cd\0ef\0\0 */
} cset;
/* note that CHadd and CHsub are unsafe, and CHIN doesn't yield 0/1 */
#define CHadd(cs, c) ((cs)->ptr[(uch)(c)] |= (cs)->mask, (cs)->hash += (c))
#define CHsub(cs, c) ((cs)->ptr[(uch)(c)] &= ~(cs)->mask, (cs)->hash -= (c))
#define CHIN(cs, c) ((cs)->ptr[(uch)(c)] & (cs)->mask)
#define MCadd(p, cs, cp) mcadd(p, cs, cp) /* regcomp() internal fns */
#define MCsub(p, cs, cp) mcsub(p, cs, cp)
#define MCin(p, cs, cp) mcin(p, cs, cp)
/* stuff for character categories */
typedef unsigned char cat_t;
/*
* main compiled-expression structure
*/
struct re_guts {
int magic;
# define MAGIC2 ((('R'^0200)<<8)|'E')
sop *strip; /* malloced area for strip */
size_t csetsize; /* number of bits in a cset vector */
size_t ncsets; /* number of csets in use */
cset *sets; /* -> cset [ncsets] */
uch *setbits; /* -> uch[csetsize][ncsets/CHAR_BIT] */
int cflags; /* copy of regcomp() cflags argument */
sopno nstates; /* = number of sops */
sopno firststate; /* the initial OEND (normally 0) */
sopno laststate; /* the final OEND */
int iflags; /* internal flags */
# define USEBOL 01 /* used ^ */
# define USEEOL 02 /* used $ */
# define BAD 04 /* something wrong */
size_t nbol; /* number of ^ used */
size_t neol; /* number of $ used */
size_t ncategories; /* how many character categories */
cat_t *categories; /* ->catspace[-CHAR_MIN] */
char *must; /* match must contain this string */
size_t mlen; /* length of must */
size_t nsub; /* copy of re_nsub */
int backrefs; /* does it use back references? */
sopno nplus; /* how deep does it nest +s? */
/* catspace must be last */
cat_t catspace[1]; /* actually [NC] */
};
/* misc utilities */
#define OUT (CHAR_MAX+1) /* a non-character value */
#define ISWORD(c) (isalnum((unsigned char)c) || (c) == '_')

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@@ -0,0 +1,234 @@
/* $NetBSD: regexec.c,v 1.22 2012/03/13 21:13:43 christos Exp $ */
/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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 of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)regexec.c 8.3 (Berkeley) 3/20/94
*/
/*-
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)regexec.c 8.3 (Berkeley) 3/20/94
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)regexec.c 8.3 (Berkeley) 3/20/94";
#else
__RCSID("$NetBSD: regexec.c,v 1.22 2012/03/13 21:13:43 christos Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
/*
* the outer shell of regexec()
*
* This file includes engine.c *twice*, after muchos fiddling with the
* macros that code uses. This lets the same code operate on two different
* representations for state sets.
*/
#include "namespace.h"
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <regex.h>
#ifdef __weak_alias
__weak_alias(regexec,_regexec)
#endif
#include "utils.h"
#include "regex2.h"
/* macros for manipulating states, small version */
#define states unsigned long
#define states1 unsigned long /* for later use in regexec() decision */
#define CLEAR(v) ((v) = 0)
#define SET0(v, n) ((v) &= ~((unsigned long)1 << (n)))
#define SET1(v, n) ((v) |= (unsigned long)1 << (n))
#define ISSET(v, n) (((v) & ((unsigned long)1 << (n))) != 0)
#define ASSIGN(d, s) ((d) = (s))
#define EQ(a, b) ((a) == (b))
#define STATEVARS int dummy /* dummy version */
#define STATESETUP(m, n) /* nothing */
#define STATETEARDOWN(m) /* nothing */
#define SETUP(v) ((v) = 0)
#define onestate unsigned long
#define INIT(o, n) ((o) = (unsigned long)1 << (n))
#define INC(o) ((o) <<= 1)
#define ISSTATEIN(v, o) (((v) & (o)) != 0)
/* some abbreviations; note that some of these know variable names! */
/* do "if I'm here, I can also be there" etc without branches */
#define FWD(dst, src, n) ((dst) |= ((unsigned long)(src)&(here)) << (n))
#define BACK(dst, src, n) ((dst) |= ((unsigned long)(src)&(here)) >> (n))
#define ISSETBACK(v, n) (((v) & ((unsigned long)here >> (n))) != 0)
/* function names */
#define SNAMES /* engine.c looks after details */
#include "engine.c"
/* now undo things */
#undef states
#undef CLEAR
#undef SET0
#undef SET1
#undef ISSET
#undef ASSIGN
#undef EQ
#undef STATEVARS
#undef STATESETUP
#undef STATETEARDOWN
#undef SETUP
#undef onestate
#undef INIT
#undef INC
#undef ISSTATEIN
#undef FWD
#undef BACK
#undef ISSETBACK
#undef SNAMES
/* macros for manipulating states, large version */
#define states char *
#define CLEAR(v) memset(v, 0, (size_t)m->g->nstates)
#define SET0(v, n) ((v)[n] = 0)
#define SET1(v, n) ((v)[n] = 1)
#define ISSET(v, n) ((v)[n])
#define ASSIGN(d, s) memcpy(d, s, (size_t)m->g->nstates)
#define EQ(a, b) (memcmp(a, b, (size_t)m->g->nstates) == 0)
#define STATEVARS int vn; char *space
#define STATESETUP(m, nv) \
if (((m)->space = malloc((size_t)((nv)*(m)->g->nstates))) == NULL) \
return(REG_ESPACE); \
else \
(m)->vn = 0
#define STATETEARDOWN(m) { free((m)->space); m->space = NULL; }
#define SETUP(v) ((v) = &m->space[(size_t)(m->vn++ * m->g->nstates)])
#define onestate int
#define INIT(o, n) ((o) = (int)(n))
#define INC(o) ((o)++)
#define ISSTATEIN(v, o) ((v)[o])
/* some abbreviations; note that some of these know variable names! */
/* do "if I'm here, I can also be there" etc without branches */
#define FWD(dst, src, n) ((dst)[here+(n)] |= (src)[here])
#define BACK(dst, src, n) ((dst)[here-(n)] |= (src)[here])
#define ISSETBACK(v, n) ((v)[here - (n)])
/* function names */
#define LNAMES /* flag */
#include "engine.c"
/*
- regexec - interface for matching
= extern int regexec(const regex_t *, const char *, size_t, \
= regmatch_t [], int);
= #define REG_NOTBOL 00001
= #define REG_NOTEOL 00002
= #define REG_STARTEND 00004
= #define REG_TRACE 00400 // tracing of execution
= #define REG_LARGE 01000 // force large representation
= #define REG_BACKR 02000 // force use of backref code
*
* We put this here so we can exploit knowledge of the state representation
* when choosing which matcher to call. Also, by this point the matchers
* have been prototyped.
*/
int /* 0 success, REG_NOMATCH failure */
regexec(
const regex_t *preg,
const char *string,
size_t nmatch,
regmatch_t pmatch[],
int eflags)
{
struct re_guts *g = preg->re_g;
char *s;
#ifdef REDEBUG
# define GOODFLAGS(f) (f)
#else
# define GOODFLAGS(f) ((f)&(REG_NOTBOL|REG_NOTEOL|REG_STARTEND))
#endif
_DIAGASSERT(preg != NULL);
_DIAGASSERT(string != NULL);
if (preg->re_magic != MAGIC1 || g->magic != MAGIC2)
return(REG_BADPAT);
assert(!(g->iflags&BAD));
if (g->iflags&BAD) /* backstop for no-debug case */
return(REG_BADPAT);
eflags = GOODFLAGS(eflags);
s = __UNCONST(string);
if (g->nstates <= (sopno)(CHAR_BIT*sizeof(states1)) && !(eflags&REG_LARGE))
return(smatcher(g, s, nmatch, pmatch, eflags));
else
return(lmatcher(g, s, nmatch, pmatch, eflags));
}

View File

@@ -0,0 +1,129 @@
/* $NetBSD: regfree.c,v 1.15 2007/02/09 23:44:18 junyoung Exp $ */
/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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 of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)regfree.c 8.3 (Berkeley) 3/20/94
*/
/*-
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)regfree.c 8.3 (Berkeley) 3/20/94
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94";
#else
__RCSID("$NetBSD: regfree.c,v 1.15 2007/02/09 23:44:18 junyoung Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <sys/types.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <regex.h>
#ifdef __weak_alias
__weak_alias(regfree,_regfree)
#endif
#include "utils.h"
#include "regex2.h"
/*
- regfree - free everything
= extern void regfree(regex_t *);
*/
void
regfree(
regex_t *preg)
{
struct re_guts *g;
_DIAGASSERT(preg != NULL);
_DIAGASSERT(preg->re_magic == MAGIC1);
if (preg->re_magic != MAGIC1) /* oops */
return; /* nice to complain, but hard */
g = preg->re_g;
if (g == NULL || g->magic != MAGIC2) /* oops again */
return;
preg->re_magic = 0; /* mark it invalid */
g->magic = 0; /* mark it invalid */
if (g->strip != NULL)
free(g->strip);
if (g->sets != NULL)
free(g->sets);
if (g->setbits != NULL)
free(g->setbits);
if (g->must != NULL)
free(g->must);
free(g);
}

View File

@@ -0,0 +1,91 @@
/* $NetBSD: utils.h,v 1.6 2003/08/07 16:43:21 agc Exp $ */
/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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 of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)utils.h 8.3 (Berkeley) 3/20/94
*/
/*-
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)utils.h 8.3 (Berkeley) 3/20/94
*/
/* utility definitions */
#define DUPMAX _POSIX2_RE_DUP_MAX /* xxx is this right? */
#define INFINITY (DUPMAX + 1)
#define NC (CHAR_MAX - CHAR_MIN + 1)
typedef unsigned char uch;
/* switch off assertions (if not already off) if no REDEBUG */
#ifndef REDEBUG
#ifndef NDEBUG
#define NDEBUG /* no assertions please */
#endif
#endif
#include <assert.h>
/* for old systems with bcopy() but no memmove() */
#ifdef USEBCOPY
#define memmove(d, s, c) bcopy(s, d, c)
#endif

View File

@@ -21,4 +21,7 @@
#include <assert.h>
#define _DIAGASSERT(e) ((e) ? (void) 0 : __assert2(__FILE__, __LINE__, __func__, #e))
// TODO: update our <sys/cdefs.h> to support this properly.
#define __type_fit(t, a) (0 == 0)
#endif