diff options
Diffstat (limited to 'posix/regex.h')
| -rw-r--r-- | posix/regex.h | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/posix/regex.h b/posix/regex.h index 21dcf09005..565d24e09d 100644 --- a/posix/regex.h +++ b/posix/regex.h @@ -1,25 +1,24 @@ /* Definitions for data structures and routines for the regular expression library, version 0.12. + Copyright (C) 1985,89,90,91,92,93,95,96 Free Software Foundation, Inc. - Copyright (C) 1985, 89, 90, 91, 92, 93, 95 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. -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. -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. + 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. -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. - -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., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + 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. */ #ifndef __REGEXP_LIBRARY_H__ #define __REGEXP_LIBRARY_H__ @@ -46,7 +45,7 @@ typedef unsigned reg_syntax_t; #define RE_BACKSLASH_ESCAPE_IN_LISTS (1) /* If this bit is not set, then + and ? are operators, and \+ and \? are - literals. + literals. If set, then \+ and \? are operators and + and ? are literals. */ #define RE_BK_PLUS_QM (RE_BACKSLASH_ESCAPE_IN_LISTS << 1) @@ -62,7 +61,7 @@ typedef unsigned reg_syntax_t; ^ is an anchor if it is at the beginning of a regular expression or after an open-group or an alternation operator; $ is an anchor if it is at the end of a regular expression, or - before a close-group or an alternation operator. + before a close-group or an alternation operator. This bit could be (re)combined with RE_CONTEXT_INDEP_OPS, because POSIX draft 11.2 says that * etc. in leading positions is undefined. @@ -73,7 +72,7 @@ typedef unsigned reg_syntax_t; /* If this bit is set, then special characters are always special regardless of where they are in the pattern. If this bit is not set, then special characters are special only in - some contexts; otherwise they are ordinary. Specifically, + some contexts; otherwise they are ordinary. Specifically, * + ? and intervals are only special when not after the beginning, open-group, or alternation operator. */ #define RE_CONTEXT_INDEP_OPS (RE_CONTEXT_INDEP_ANCHORS << 1) @@ -95,7 +94,7 @@ typedef unsigned reg_syntax_t; #define RE_HAT_LISTS_NOT_NEWLINE (RE_DOT_NOT_NULL << 1) /* If this bit is set, either \{...\} or {...} defines an - interval, depending on RE_NO_BK_BRACES. + interval, depending on RE_NO_BK_BRACES. If not set, \{, \}, {, and } are literals. */ #define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1) @@ -120,7 +119,7 @@ typedef unsigned reg_syntax_t; If not set, then \<digit> is a back-reference. */ #define RE_NO_BK_REFS (RE_NO_BK_PARENS << 1) -/* If this bit is set, then | is an alternation operator, and \| is literal. +/* If this bit is set, then | is an alternation operator, and \| is literal. If not set, then \| is an alternation operator, and | is literal. */ #define RE_NO_BK_VBAR (RE_NO_BK_REFS << 1) @@ -146,7 +145,7 @@ extern reg_syntax_t re_syntax_options; /* Define combinations of the above bits for the standard possibilities. (The [[[ comments delimit what gets put into the Texinfo file, so - don't delete them!) */ + don't delete them!) */ /* [[[begin syntaxes]]] */ #define RE_SYNTAX_EMACS 0 @@ -213,7 +212,7 @@ extern reg_syntax_t re_syntax_options; #ifdef RE_DUP_MAX #undef RE_DUP_MAX #endif -#define RE_DUP_MAX ((1 << 15) - 1) +#define RE_DUP_MAX ((1 << 15) - 1) /* POSIX `cflags' bits (i.e., information for `regcomp'). */ @@ -225,7 +224,7 @@ extern reg_syntax_t re_syntax_options; /* If this bit is set, then ignore case when matching. If not set, then case is significant. */ #define REG_ICASE (REG_EXTENDED << 1) - + /* If this bit is set, then anchors do not match at newline characters in the string. If not set, then anchors do match at newlines. */ @@ -264,7 +263,7 @@ typedef enum REG_EESCAPE, /* Trailing backslash. */ REG_ESUBREG, /* Invalid back reference. */ REG_EBRACK, /* Unmatched left bracket. */ - REG_EPAREN, /* Parenthesis imbalance. */ + REG_EPAREN, /* Parenthesis imbalance. */ REG_EBRACE, /* Unmatched \{. */ REG_BADBR, /* Invalid contents of \{\}. */ REG_ERANGE, /* Invalid range end. */ @@ -283,7 +282,7 @@ typedef enum compiled, the `re_nsub' field is available. All other fields are private to the regex routines. */ -#ifndef RE_TRANSLATE_TYPE +#ifndef RE_TRANSLATE_TYPE #define RE_TRANSLATE_TYPE char * #endif @@ -299,7 +298,7 @@ struct re_pattern_buffer unsigned long allocated; /* Number of bytes actually used in `buffer'. */ - unsigned long used; + unsigned long used; /* Syntax setting with which the pattern was compiled. */ reg_syntax_t syntax; @@ -343,7 +342,7 @@ struct re_pattern_buffer unsigned no_sub : 1; /* If set, a beginning-of-line anchor doesn't match at the - beginning of the string. */ + beginning of the string. */ unsigned not_bol : 1; /* Similarly for an end-of-line anchor. */ @@ -450,7 +449,7 @@ extern int re_match /* Relates to `re_match' as `re_search_2' relates to `re_search'. */ -extern int re_match_2 +extern int re_match_2 _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string1, int length1, const char *string2, int length2, int start, struct re_registers *regs, int stop)); |