-/* Definitions for data structures and routines for the regular
- expression library.
- Copyright (C) 1985,1989-93,1995-98,2000,2001,2002,2003
- Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- 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
- Lesser General Public License for more details.
-
- 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
-
-#include <sys/types.h>
-
-/* Allow the use in C++ code. */
+#ifndef b_REGEXPR_H
+#define b_REGEXPR_H
#ifdef __cplusplus
extern "C" {
#endif
-/* POSIX says that <sys/types.h> must be included (by the caller) before
- <regex.h>. */
-
-#if !defined _POSIX_C_SOURCE && !defined _POSIX_SOURCE && defined VMS
-/* VMS doesn't have `size_t' in <sys/types.h>, even though POSIX says it
- should be there. */
-# include <stddef.h>
-#endif
-
-/* The following two types have to be signed and unsigned integer type
- wide enough to hold a value of a pointer. For most ANSI compilers
- ptrdiff_t and size_t should be likely OK. Still size of these two
- types is 2 for Microsoft C. Ugh... */
-typedef long int s_reg_t;
-typedef unsigned long int active_reg_t;
-
-/* The following bits are used to determine the regexp syntax we
- recognize. The set/not-set meanings are chosen so that Emacs syntax
- remains the value 0. The bits are given in alphabetical order, and
- the definitions shifted by one from the previous bit; thus, when we
- add or remove a bit, only one other definition need change. */
-typedef unsigned long int reg_syntax_t;
-
-/* If this bit is not set, then \ inside a bracket expression is literal.
- If set, then such a \ quotes the following character. */
-#define RE_BACKSLASH_ESCAPE_IN_LISTS ((unsigned long int) 1)
-
-/* If this bit is not set, then + and ? are operators, and \+ and \? are
- literals.
- If set, then \+ and \? are operators and + and ? are literals. */
-#define RE_BK_PLUS_QM (RE_BACKSLASH_ESCAPE_IN_LISTS << 1)
-
-/* If this bit is set, then character classes are supported. They are:
- [:alpha:], [:upper:], [:lower:], [:digit:], [:alnum:], [:xdigit:],
- [:space:], [:print:], [:punct:], [:graph:], and [:cntrl:].
- If not set, then character classes are not supported. */
-#define RE_CHAR_CLASSES (RE_BK_PLUS_QM << 1)
-
-/* If this bit is set, then ^ and $ are always anchors (outside bracket
- expressions, of course).
- If this bit is not set, then it depends:
- ^ 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.
-
- This bit could be (re)combined with RE_CONTEXT_INDEP_OPS, because
- POSIX draft 11.2 says that * etc. in leading positions is undefined.
- We already implemented a previous draft which made those constructs
- invalid, though, so we haven't changed the code back. */
-#define RE_CONTEXT_INDEP_ANCHORS (RE_CHAR_CLASSES << 1)
-
-/* 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,
- * + ? 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)
-
-/* If this bit is set, then *, +, ?, and { cannot be first in an re or
- immediately after an alternation or begin-group operator. */
-#define RE_CONTEXT_INVALID_OPS (RE_CONTEXT_INDEP_OPS << 1)
-
-/* If this bit is set, then . matches newline.
- If not set, then it doesn't. */
-#define RE_DOT_NEWLINE (RE_CONTEXT_INVALID_OPS << 1)
-
-/* If this bit is set, then . doesn't match NUL.
- If not set, then it does. */
-#define RE_DOT_NOT_NULL (RE_DOT_NEWLINE << 1)
-
-/* If this bit is set, nonmatching lists [^...] do not match newline.
- If not set, they do. */
-#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.
- If not set, \{, \}, {, and } are literals. */
-#define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1)
-
-/* If this bit is set, +, ? and | aren't recognized as operators.
- If not set, they are. */
-#define RE_LIMITED_OPS (RE_INTERVALS << 1)
-
-/* If this bit is set, newline is an alternation operator.
- If not set, newline is literal. */
-#define RE_NEWLINE_ALT (RE_LIMITED_OPS << 1)
-
-/* If this bit is set, then `{...}' defines an interval, and \{ and \}
- are literals.
- If not set, then `\{...\}' defines an interval. */
-#define RE_NO_BK_BRACES (RE_NEWLINE_ALT << 1)
-
-/* If this bit is set, (...) defines a group, and \( and \) are literals.
- If not set, \(...\) defines a group, and ( and ) are literals. */
-#define RE_NO_BK_PARENS (RE_NO_BK_BRACES << 1)
-
-/* If this bit is set, then \<digit> matches <digit>.
- 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 not set, then \| is an alternation operator, and | is literal. */
-#define RE_NO_BK_VBAR (RE_NO_BK_REFS << 1)
-
-/* If this bit is set, then an ending range point collating higher
- than the starting range point, as in [z-a], is invalid.
- If not set, then when ending range point collates higher than the
- starting range point, the range is ignored. */
-#define RE_NO_EMPTY_RANGES (RE_NO_BK_VBAR << 1)
-
-/* If this bit is set, then an unmatched ) is ordinary.
- If not set, then an unmatched ) is invalid. */
-#define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_EMPTY_RANGES << 1)
-
-/* If this bit is set, succeed as soon as we match the whole pattern,
- without further backtracking. */
-#define RE_NO_POSIX_BACKTRACKING (RE_UNMATCHED_RIGHT_PAREN_ORD << 1)
-
-/* If this bit is set, do not process the GNU regex operators.
- If not set, then the GNU regex operators are recognized. */
-#define RE_NO_GNU_OPS (RE_NO_POSIX_BACKTRACKING << 1)
-
-/* If this bit is set, turn on internal regex debugging.
- If not set, and debugging was on, turn it off.
- This only works if regex.c is compiled -DDEBUG.
- We define this bit always, so that all that's needed to turn on
- debugging is to recompile regex.c; the calling code can always have
- 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)
-
-/* If this bit is set, then ignore case when matching.
- If not set, then case is significant. */
-#define RE_ICASE (RE_INVALID_INTERVAL_ORD << 1)
-
-/* This bit is used internally like RE_CONTEXT_INDEP_ANCHORS but only
- for ^, because it is difficult to scan the regex backwards to find
- whether ^ should be special. */
-#define RE_CARET_ANCHORS_HERE (RE_ICASE << 1)
-
-/* If this bit is set, then \{ cannot be first in an bre or
- immediately after an alternation or begin-group operator. */
-#define RE_CONTEXT_INVALID_DUP (RE_CARET_ANCHORS_HERE << 1)
-
-/* If this bit is set, then no_sub will be set to 1 during
- re_compile_pattern. */
-#define RE_NO_SUB (RE_CONTEXT_INVALID_DUP << 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
- already-compiled regexps. */
-extern reg_syntax_t re_syntax_options;
-\f
-/* 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!) */
-/* [[[begin syntaxes]]] */
-#define RE_SYNTAX_EMACS 0
-
-#define RE_SYNTAX_AWK \
- (RE_BACKSLASH_ESCAPE_IN_LISTS | RE_DOT_NOT_NULL \
- | RE_NO_BK_PARENS | RE_NO_BK_REFS \
- | RE_NO_BK_VBAR | RE_NO_EMPTY_RANGES \
- | RE_DOT_NEWLINE | RE_CONTEXT_INDEP_ANCHORS \
- | RE_UNMATCHED_RIGHT_PAREN_ORD | RE_NO_GNU_OPS)
-
-#define RE_SYNTAX_GNU_AWK \
- ((RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS | RE_DEBUG) \
- & ~(RE_DOT_NOT_NULL | RE_INTERVALS | RE_CONTEXT_INDEP_OPS \
- | RE_CONTEXT_INVALID_OPS ))
-
-#define RE_SYNTAX_POSIX_AWK \
- (RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS \
- | RE_INTERVALS | RE_NO_GNU_OPS)
-
-#define RE_SYNTAX_GREP \
- (RE_BK_PLUS_QM | RE_CHAR_CLASSES \
- | RE_HAT_LISTS_NOT_NEWLINE | RE_INTERVALS \
- | RE_NEWLINE_ALT)
-
-#define RE_SYNTAX_EGREP \
- (RE_CHAR_CLASSES | RE_CONTEXT_INDEP_ANCHORS \
- | RE_CONTEXT_INDEP_OPS | RE_HAT_LISTS_NOT_NEWLINE \
- | RE_NEWLINE_ALT | RE_NO_BK_PARENS \
- | RE_NO_BK_VBAR)
-
-#define RE_SYNTAX_POSIX_EGREP \
- (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
-
-#define RE_SYNTAX_SED RE_SYNTAX_POSIX_BASIC
-
-/* Syntax bits common to both basic and extended POSIX regex syntax. */
-#define _RE_SYNTAX_POSIX_COMMON \
- (RE_CHAR_CLASSES | RE_DOT_NEWLINE | RE_DOT_NOT_NULL \
- | RE_INTERVALS | RE_NO_EMPTY_RANGES)
-
-#define RE_SYNTAX_POSIX_BASIC \
- (_RE_SYNTAX_POSIX_COMMON | RE_BK_PLUS_QM | RE_CONTEXT_INVALID_DUP)
-
-/* Differs from ..._POSIX_BASIC only in that RE_BK_PLUS_QM becomes
- RE_LIMITED_OPS, i.e., \? \+ \| are not recognized. Actually, this
- isn't minimal, since other operators, such as \`, aren't disabled. */
-#define RE_SYNTAX_POSIX_MINIMAL_BASIC \
- (_RE_SYNTAX_POSIX_COMMON | RE_LIMITED_OPS)
-
-#define RE_SYNTAX_POSIX_EXTENDED \
- (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \
- | RE_CONTEXT_INDEP_OPS | RE_NO_BK_BRACES \
- | 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_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 \
- | RE_NO_BK_PARENS | RE_NO_BK_REFS \
- | RE_NO_BK_VBAR | RE_UNMATCHED_RIGHT_PAREN_ORD)
-/* [[[end syntaxes]]] */
-\f
-/* Maximum number of duplicates an interval can allow. Some systems
- (erroneously) define this in other header files, but we want our
- value, so remove any previous define. */
-#ifdef RE_DUP_MAX
-# undef RE_DUP_MAX
-#endif
-/* If sizeof(int) == 2, then ((1 << 15) - 1) overflows. */
-#define RE_DUP_MAX (0x7fff)
-
-
-/* POSIX `cflags' bits (i.e., information for `regcomp'). */
-
-/* If this bit is set, then use extended regular expression syntax.
- If not set, then use basic regular expression syntax. */
-#define REG_EXTENDED 1
-
-/* 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. */
-#define REG_NEWLINE (REG_ICASE << 1)
-
-/* If this bit is set, then report only success or fail in regexec.
- If not set, then returns differ between not matching and errors. */
-#define REG_NOSUB (REG_NEWLINE << 1)
-
-
-/* POSIX `eflags' bits (i.e., information for regexec). */
-
-/* If this bit is set, then the beginning-of-line operator doesn't match
- the beginning of the string (presumably because it's not the
- beginning of a line).
- If not set, then the beginning-of-line operator does match the
- beginning of the string. */
-#define REG_NOTBOL 1
-
-/* Like REG_NOTBOL, except for the end-of-line. */
-#define REG_NOTEOL (1 << 1)
-
-/* Use PMATCH[0] to delimit the start and end of the search in the
- buffer. */
-#define REG_STARTEND (1 << 2)
+/*
+ * regexpr.h
+ *
+ * Author: Tatu Ylonen <ylo@ngs.fi>
+ *
+ * Copyright (c) 1991 Tatu Ylonen, Espoo, Finland
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies. This
+ * software is provided "as is" without express or implied warranty.
+ *
+ * Created: Thu Sep 26 17:15:36 1991 ylo
+ * Last modified: Mon Nov 4 15:49:46 1991 ylo
+ *
+ * Modified to work with C++ for use in Bacula,
+ * Kern Sibbald April, 2006
+ */
+
+#ifndef REGEXPR_H
+#define REGEXPR_H
+
+/* If we pull in this header, make sure we only get our own library
+ * bregex.c
+ */
+#define regex_t b_regex_t
+#define regmatch_t b_regmatch_t
+#define re_syntax b_re_syntax
+#define re_syntax_table b_re_syntax_table
+#define re_compile_initialize b_re_compile_initialize
+#define re_set_syntax b_re_set_syntax
+#define re_compile_pattern b_re_compile_pattern
+#define re_match b_re_match
+#define re_search b_re_search
+#define re_compile_fastmap b_re_compile_fastmap
+#define re_comp b_re_comp
+#define re_exec b_re_exec
+#define regcomp b_regcomp
+#define regexec b_regexec
+#define regerror b_regerror
+#define regfree b_regfree
+
+
+#define RE_NREGS 100 /* number of registers available */
+
+#define regoff_t int
+
+typedef struct {
+ regoff_t rm_so;
+ regoff_t rm_eo;
+} regmatch_t;
-/* If any error codes are removed, changed, or added, update the
- `re_error_msg' table in regex.c. */
-typedef enum
-{
-#ifdef _XOPEN_SOURCE
- REG_ENOSYS = -1, /* This will never happen for this implementation. */
-#endif
+#define REG_EXTENDED (1<<1)
+#define REG_ICASE (1<<2)
+#define REG_NOSUB (1<<3)
+#define REG_NEWLINE (1<<4)
- REG_NOERROR = 0, /* Success. */
- REG_NOMATCH, /* Didn't find a match (for regexec). */
-
- /* POSIX regcomp return error codes. (In the order listed in the
- standard.) */
- REG_BADPAT, /* Invalid pattern. */
- REG_ECOLLATE, /* Inalid collating element. */
- REG_ECTYPE, /* Invalid character class name. */
- REG_EESCAPE, /* Trailing backslash. */
- REG_ESUBREG, /* Invalid back reference. */
- REG_EBRACK, /* Unmatched left bracket. */
- REG_EPAREN, /* Parenthesis imbalance. */
- REG_EBRACE, /* Unmatched \{. */
- REG_BADBR, /* Invalid contents of \{\}. */
- REG_ERANGE, /* Invalid range end. */
- REG_ESPACE, /* Ran out of memory. */
- REG_BADRPT, /* No preceding re for repetition op. */
-
- /* Error codes we've added. */
- REG_EEND, /* Premature end. */
- REG_ESIZE, /* Compiled pattern bigger than 2^16 bytes. */
- REG_ERPAREN /* Unmatched ) or \); not returned from regcomp. */
-} reg_errcode_t;
-\f
-/* This data structure represents a compiled pattern. Before calling
- the pattern compiler, the fields `buffer', `allocated', `fastmap',
- `translate', and `no_sub' can be set. After the pattern has been
- compiled, the `re_nsub' field is available. All other fields are
- private to the regex routines. */
-
-#ifndef RE_TRANSLATE_TYPE
-# define RE_TRANSLATE_TYPE char *
-#endif
+#define REG_NOMATCH -1
-struct re_pattern_buffer
+struct regex_t
{
-/* [[[begin pattern_buffer]]] */
- /* Space that holds the compiled pattern. It is declared as
- `unsigned char *' because its elements are
- sometimes used as array indexes. */
- unsigned char *buffer;
-
- /* Number of bytes to which `buffer' points. */
- unsigned long int allocated;
-
- /* Number of bytes actually used in `buffer'. */
- unsigned long int used;
-
- /* Syntax setting with which the pattern was compiled. */
- reg_syntax_t syntax;
-
- /* Pointer to a fastmap, if any, otherwise zero. re_search uses
- the fastmap, if there is one, to skip over impossible
- starting points for matches. */
- char *fastmap;
-
- /* Either a translate table to apply to all characters before
- comparing them, or zero for no translation. The translation
- is applied to a pattern when it is compiled and to a string
- when it is matched. */
- RE_TRANSLATE_TYPE translate;
-
- /* Number of subexpressions found by the compiler. */
- size_t re_nsub;
-
- /* Zero if this pattern cannot match the empty string, one else.
- Well, in truth it's used only in `re_search_2', to see
- whether or not we should use the fastmap, so we don't set
- this absolutely perfectly; see `re_compile_fastmap' (the
- `duplicate' case). */
- unsigned can_be_null : 1;
-
- /* If REGS_UNALLOCATED, allocate space in the `regs' structure
- for `max (RE_NREGS, re_nsub + 1)' groups.
- If REGS_REALLOCATE, reallocate space if necessary.
- If REGS_FIXED, use what's there. */
-#define REGS_UNALLOCATED 0
-#define REGS_REALLOCATE 1
-#define REGS_FIXED 2
- unsigned regs_allocated : 2;
-
- /* Set to zero when `regex_compile' compiles a pattern; set to one
- by `re_compile_fastmap' if it updates the fastmap. */
- unsigned fastmap_accurate : 1;
-
- /* If set, `re_match_2' does not return information about
- subexpressions. */
- unsigned no_sub : 1;
-
- /* If set, a beginning-of-line anchor doesn't match at the
- beginning of the string. */
- unsigned not_bol : 1;
-
- /* Similarly for an end-of-line anchor. */
- unsigned not_eol : 1;
-
- /* If true, an anchor at a newline matches. */
- unsigned newline_anchor : 1;
-
-/* [[[end pattern_buffer]]] */
-};
-
-typedef struct re_pattern_buffer regex_t;
-\f
-/* Type for byte offsets within the string. POSIX mandates this. */
-typedef int regoff_t;
-
-
-/* This is the structure we store register match data in. See
- regex.texinfo for a full description of what registers match. */
-struct re_registers
+ unsigned char *buffer; /* compiled pattern */
+ int allocated; /* allocated size of compiled pattern */
+ int used; /* actual length of compiled pattern */
+ unsigned char *fastmap; /* fastmap[ch] is true if ch can start pattern */
+ unsigned char *translate; /* translation to apply during compilation/matching */
+ unsigned char fastmap_accurate; /* true if fastmap is valid */
+ unsigned char can_be_null; /* true if can match empty string */
+ unsigned char uses_registers; /* registers are used and need to be initialized */
+ int num_registers; /* number of registers used */
+ unsigned char anchor; /* anchor: 0=none 1=begline 2=begbuf */
+ char *errmsg;
+};
+
+
+typedef struct re_registers
{
- unsigned num_regs;
- regoff_t *start;
- regoff_t *end;
-};
-
-
-/* If `regs_allocated' is REGS_UNALLOCATED in the pattern buffer,
- `re_match_2' returns information about at least this many registers
- the first time a `regs' structure is passed. */
-#ifndef RE_NREGS
-# define RE_NREGS 30
-#endif
-
-
-/* POSIX specification for registers. Aside from the different names than
- `re_registers', POSIX uses an array of structures, instead of a
- structure of arrays. */
-typedef struct
-{
- regoff_t rm_so; /* Byte offset from string's start to substring's start. */
- regoff_t rm_eo; /* Byte offset from string's start to substring's end. */
-} regmatch_t;
-\f
-/* Declarations for routines. */
-
-/* To avoid duplicating every routine declaration -- once with a
- prototype (if we are ANSI), and once without (if we aren't) -- we
- use the following macro to declare argument types. This
- unfortunately clutters up the declarations a bit, but I think it's
- worth it. */
-
-#if __STDC__
-
-# define _RE_ARGS(args) args
-
-#else /* not __STDC__ */
-
-# define _RE_ARGS(args) ()
-
-#endif /* not __STDC__ */
-
-/* Sets the current default syntax to SYNTAX, and return the old syntax.
- You can also simply assign to the `re_syntax_options' variable. */
-extern reg_syntax_t re_set_syntax _RE_ARGS ((reg_syntax_t syntax));
-
-/* Compile the regular expression PATTERN, with length LENGTH
- and syntax given by the global `re_syntax_options', into the buffer
- BUFFER. Return NULL if successful, and an error string if not. */
-extern const char *re_compile_pattern
- _RE_ARGS ((const char *pattern, size_t length,
- struct re_pattern_buffer *buffer));
-
+ int start[RE_NREGS]; /* start offset of region */
+ int end[RE_NREGS]; /* end offset of region */
+} *regexp_registers_t;
+
+/* bit definitions for syntax */
+#define RE_NO_BK_PARENS 1 /* no quoting for parentheses */
+#define RE_NO_BK_VBAR 2 /* no quoting for vertical bar */
+#define RE_BK_PLUS_QM 4 /* quoting needed for + and ? */
+#define RE_TIGHT_VBAR 8 /* | binds tighter than ^ and $ */
+#define RE_NEWLINE_OR 16 /* treat newline as or */
+#define RE_CONTEXT_INDEP_OPS 32 /* ^$?*+ are special in all contexts */
+#define RE_ANSI_HEX 64 /* ansi sequences (\n etc) and \xhh */
+#define RE_NO_GNU_EXTENSIONS 128 /* no gnu extensions */
+
+/* definitions for some common regexp styles */
+#define RE_SYNTAX_AWK (RE_NO_BK_PARENS|RE_NO_BK_VBAR|RE_CONTEXT_INDEP_OPS)
+#define RE_SYNTAX_EGREP (RE_SYNTAX_AWK|RE_NEWLINE_OR)
+#define RE_SYNTAX_GREP (RE_BK_PLUS_QM|RE_NEWLINE_OR)
+#define RE_SYNTAX_EMACS 0
-/* Compile a fastmap for the compiled pattern in BUFFER; used to
- accelerate searches. Return 0 if successful and -2 if was an
- internal error. */
-extern int re_compile_fastmap _RE_ARGS ((struct re_pattern_buffer *buffer));
+#define Sword 1
+#define Swhitespace 2
+#define Sdigit 4
+#define Soctaldigit 8
+#define Shexdigit 16
+/* Rename all exported symbols to avoid conflicts with similarly named
+ symbols in some systems' standard C libraries... */
-/* Search in the string STRING (with length LENGTH) for the pattern
- compiled into BUFFER. Start searching at position START, for RANGE
- characters. Return the starting position of the match, -1 for no
- match, or -2 for an internal error. Also return register
- information in REGS (if REGS and BUFFER->no_sub are nonzero). */
-extern int re_search
- _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string,
- int length, int start, int range, struct re_registers *regs));
+extern int re_syntax;
+/* This is the actual syntax mask. It was added so that Python could do
+ * syntax-dependent munging of patterns before compilation. */
-/* Like `re_search', but search in the concatenation of STRING1 and
- STRING2. Also, stop searching at index START + STOP. */
-extern int re_search_2
- _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string1,
- int length1, const char *string2, int length2,
- int start, int range, struct re_registers *regs, int stop));
+extern unsigned char re_syntax_table[256];
+void re_compile_initialize(void);
-/* Like `re_search', but return how many characters in STRING the regexp
- in BUFFER matched, starting at position START. */
-extern int re_match
- _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string,
- int length, int start, struct re_registers *regs));
+int re_set_syntax(int syntax);
+/* This sets the syntax to use and returns the previous syntax. The
+ * syntax is specified by a bit mask of the above defined bits. */
+const char *re_compile_pattern(regex_t *compiled, unsigned char *regex);
+/* This compiles the regexp (given in regex and length in regex_size).
+ * This returns NULL if the regexp compiled successfully, and an error
+ * message if an error was encountered. The buffer field must be
+ * initialized to a memory area allocated by malloc (or to NULL) before
+ * use, and the allocated field must be set to its length (or 0 if
+ * buffer is NULL). Also, the translate field must be set to point to a
+ * valid translation table, or NULL if it is not used. */
-/* Relates to `re_match' as `re_search_2' relates to `re_search'. */
-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));
+int re_match(regex_t *compiled, unsigned char *string, int size, int pos,
+ regexp_registers_t old_regs);
+/* This tries to match the regexp against the string. This returns the
+ * length of the matched portion, or -1 if the pattern could not be
+ * matched and -2 if an error (such as failure stack overflow) is
+ * encountered. */
+int re_search(regex_t *compiled, unsigned char *string, int size, int startpos,
+ int range, regexp_registers_t regs);
+/* This searches for a substring matching the regexp. This returns the
+ * first index at which a match is found. range specifies at how many
+ * positions to try matching; positive values indicate searching
+ * forwards, and negative values indicate searching backwards. mstop
+ * specifies the offset beyond which a match must not go. This returns
+ * -1 if no match is found, and -2 if an error (such as failure stack
+ * overflow) is encountered. */
-/* Set REGS to hold NUM_REGS registers, storing them in STARTS and
- ENDS. Subsequent matches using BUFFER and REGS will use this memory
- for recording register information. STARTS and ENDS must be
- allocated with malloc, and must each be at least `NUM_REGS * sizeof
- (regoff_t)' bytes long.
+void re_compile_fastmap(regex_t *compiled);
+/* This computes the fastmap for the regexp. For this to have any effect,
+ * the calling program must have initialized the fastmap field to point
+ * to an array of 256 characters. */
- If NUM_REGS == 0, then subsequent matches should allocate their own
- register data.
- Unless this function is called, the first search or match using
- PATTERN_BUFFER will allocate its own register data, without
- freeing the old data. */
-extern void re_set_registers
- _RE_ARGS ((struct re_pattern_buffer *buffer, struct re_registers *regs,
- unsigned num_regs, regoff_t *starts, regoff_t *ends));
+int regcomp(regex_t *preg, const char *regex, int cflags);
+int regexec(regex_t *preg, const char *string, size_t nmatch,
+ regmatch_t pmatch[], int eflags);
+size_t regerror(int errcode, regex_t *preg, char *errbuf,
+ size_t errbuf_size);
+void regfree(regex_t *preg);
-#if defined _REGEX_RE_COMP || defined _LIBC
-# ifndef _CRAY
-/* 4.2 bsd compatibility. */
-extern char *re_comp _RE_ARGS ((const char *));
-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
-/* gcc 3.1 and up support the [restrict] syntax. */
-#ifndef __restrict_arr
-# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
-# define __restrict_arr __restrict
-# else
-# define __restrict_arr
-# endif
-#endif
+#endif /* REGEXPR_H */
-/* POSIX compatibility. */
-extern int regcomp _RE_ARGS ((regex_t *__restrict __preg,
- const char *__restrict __pattern,
- int __cflags));
-
-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));
-
-extern void regfree _RE_ARGS ((regex_t *__preg));
#ifdef __cplusplus
}
-#endif /* C++ */
-
-#endif /* regex.h */
-\f
-/*
-Local variables:
-make-backup-files: t
-version-control: t
-trim-versions-without-asking: nil
-End:
-*/
+#endif
+#endif /* !b_REGEXPR_H */
projects / bacula / bacula / blobdiff