diff options
Diffstat (limited to 'include/regex.h')
| -rw-r--r-- | include/regex.h | 57 |
1 files changed, 40 insertions, 17 deletions
diff --git a/include/regex.h b/include/regex.h index 113a32e72..b9c2d97cc 100644 --- a/include/regex.h +++ b/include/regex.h @@ -1,24 +1,23 @@ /* Definitions for data structures and routines for the regular expression library, version 0.12. - Copyright (C) 1985,1989-1993,1995-1998,2000 Free Software Foundation, Inc. - + Copyright (C) 1985,1989-1993,1995-1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Its master source is NOT part of the C library, however. The master source lives in /gd/gnu/lib. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ #ifndef _REGEX_H #define _REGEX_H 1 @@ -160,6 +159,11 @@ typedef unsigned long int reg_syntax_t; this bit set, and it won't affect anything in the normal case. */ #define RE_DEBUG (RE_NO_GNU_OPS << 1) +/* If this bit is set, a syntactically invalid interval is treated as + a string of ordinary characters. For example, the ERE 'a{1' is + treated as 'a\{1'. */ +#define RE_INVALID_INTERVAL_ORD (RE_DEBUG << 1) + /* This global variable defines the particular regexp syntax to use (for some interfaces). When a regexp is compiled, the syntax used is stored in the pattern buffer, so changing this does not affect @@ -199,7 +203,8 @@ extern reg_syntax_t re_syntax_options; | RE_NO_BK_VBAR) #define RE_SYNTAX_POSIX_EGREP \ - (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES) + (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES \ + | RE_INVALID_INTERVAL_ORD) /* P1003.2/D11.2, section 4.20.7.1, lines 5078ff. */ #define RE_SYNTAX_ED RE_SYNTAX_POSIX_BASIC @@ -226,8 +231,8 @@ extern reg_syntax_t re_syntax_options; | RE_NO_BK_PARENS | RE_NO_BK_VBAR \ | RE_CONTEXT_INVALID_OPS | RE_UNMATCHED_RIGHT_PAREN_ORD) -/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INVALID_OPS - replaces RE_CONTEXT_INDEP_OPS and RE_NO_BK_REFS is added. */ +/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INDEP_OPS is + removed and RE_NO_BK_REFS is added. */ #define RE_SYNTAX_POSIX_MINIMAL_EXTENDED \ (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \ | RE_CONTEXT_INVALID_OPS | RE_NO_BK_BRACES \ @@ -513,13 +518,31 @@ extern int re_exec _RE_ARGS ((const char *)); # endif #endif +/* GCC 2.95 and later have "__restrict"; C99 compilers have + "restrict", and "configure" may have defined "restrict". */ +#ifndef __restrict +# if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__)) +# if defined restrict || 199901L <= __STDC_VERSION__ +# define __restrict restrict +# else +# define __restrict +# endif +# endif +#endif +/* For now unconditionally define __restrict_arr to expand to nothing. + Ideally we would have a test for the compiler which allows defining + it to restrict. */ +#define __restrict_arr + /* POSIX compatibility. */ -extern int regcomp _RE_ARGS ((regex_t *__preg, const char *__pattern, +extern int regcomp _RE_ARGS ((regex_t *__restrict __preg, + const char *__restrict __pattern, int __cflags)); -extern int regexec _RE_ARGS ((const regex_t *__preg, - const char *__string, size_t __nmatch, - regmatch_t __pmatch[], int __eflags)); +extern int regexec _RE_ARGS ((const regex_t *__restrict __preg, + const char *__restrict __string, size_t __nmatch, + regmatch_t __pmatch[__restrict_arr], + int __eflags)); extern size_t regerror _RE_ARGS ((int __errcode, const regex_t *__preg, char *__errbuf, size_t __errbuf_size)); |