/* Extended regular expression matching and search library.
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA. */
#ifndef _REGEX_INTERNAL_H
#define _REGEX_INTERNAL_H 1
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined HAVE_LOCALE_H || defined _LIBC
# include <locale.h>
#endif
#if defined HAVE_WCHAR_H || defined _LIBC
# include <wchar.h>
#endif /* HAVE_WCHAR_H || _LIBC */
#if defined HAVE_WCTYPE_H || defined _LIBC
# include <wctype.h>
#endif /* HAVE_WCTYPE_H || _LIBC */
/* In case that the system doesn't have isblank(). */
#if !defined _LIBC && !defined HAVE_ISBLANK && !defined isblank
# define isblank(ch) ((ch) == ' ' || (ch) == '\t')
#endif
#ifdef _LIBC
# ifndef _RE_DEFINE_LOCALE_FUNCTIONS
# define _RE_DEFINE_LOCALE_FUNCTIONS 1
# include <locale/localeinfo.h>
# include <locale/elem-hash.h>
# include <locale/coll-lookup.h>
# endif
#endif
/* This is for other GNU distributions with internationalized messages. */
#if HAVE_LIBINTL_H || defined _LIBC
# include <libintl.h>
# ifdef _LIBC
# undef gettext
# define gettext(msgid) \
INTUSE(__dcgettext) (INTUSE(_libc_intl_domainname), msgid, LC_MESSAGES)
# endif
#else
# define gettext(msgid) (msgid)
#endif
#ifndef gettext_noop
/* This define is so xgettext can find the internationalizable
strings. */
# define gettext_noop(String) String
#endif
#if (defined MB_CUR_MAX && HAVE_LOCALE_H && HAVE_WCTYPE_H && HAVE_WCHAR_H && HAVE_WCRTOMB && HAVE_MBRTOWC && HAVE_WCSCOLL) || _LIBC
# define RE_ENABLE_I18N
#endif
#if __GNUC__ >= 3
# define BE(expr, val) __builtin_expect (expr, val)
#else
# define BE(expr, val) (expr)
# define inline
#endif
/* Number of bits in a byte. */
#define BYTE_BITS 8
/* Number of single byte character. */
#define SBC_MAX 256
#define COLL_ELEM_LEN_MAX 8
/* The character which represents newline. */
#define NEWLINE_CHAR '\n'
#define WIDE_NEWLINE_CHAR L'\n'
/* Rename to standard API for using out of glibc. */
#ifndef _LIBC
# define __wctype wctype
# define __iswctype iswctype
# define __btowc btowc
# define __mempcpy mempcpy
# define __wcrtomb wcrtomb
# define attribute_hidden
#endif /* not _LIBC */
extern const char __re_error_msgid[] attribute_hidden;
extern const size_t __re_error_msgid_idx[] attribute_hidden;
/* Number of bits in an unsinged int. */
#define UINT_BITS (sizeof (unsigned int) * BYTE_BITS)
/* Number of unsigned int in an bit_set. */
#define BITSET_UINTS ((SBC_MAX + UINT_BITS - 1) / UINT_BITS)
typedef unsigned int bitset[BITSET_UINTS];
typedef unsigned int *re_bitset_ptr_t;
#define bitset_set(set,i) (set[i / UINT_BITS] |= 1 << i % UINT_BITS)
#define bitset_clear(set,i) (set[i / UINT_BITS] &= ~(1 << i % UINT_BITS))
#define bitset_contain(set,i) (set[i / UINT_BITS] & (1 << i % UINT_BITS))
#define bitset_empty(set) memset (set, 0, sizeof (unsigned int) * BITSET_UINTS)
#define bitset_set_all(set) \
memset (set, 255, sizeof (unsigned int) * BITSET_UINTS)
#define bitset_copy(dest,src) \
memcpy (dest, src, sizeof (unsigned int) * BITSET_UINTS)
static inline void bitset_not (bitset set);
static inline void bitset_merge (bitset dest, const bitset src);
static inline void bitset_not_merge (bitset dest, const bitset src);
#define PREV_WORD_CONSTRAINT 0x0001
#define PREV_NOTWORD_CONSTRAINT 0x0002
#define NEXT_WORD_CONSTRAINT 0x0004
#define NEXT_NOTWORD_CONSTRAINT 0x0008
#define PREV_NEWLINE_CONSTRAINT 0x0010
#define NEXT_NEWLINE_CONSTRAINT 0x0020
#define PREV_BEGBUF_CONSTRAINT 0x0040
#define NEXT_ENDBUF_CONSTRAINT 0x0080
#define DUMMY_CONSTRAINT 0x0100
typedef enum
{
INSIDE_WORD = PREV_WORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
WORD_FIRST = PREV_NOTWORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
WORD_LAST = PREV_WORD_CONSTRAINT | NEXT_NOTWORD_CONSTRAINT,
LINE_FIRST = PREV_NEWLINE_CONSTRAINT,
LINE_LAST = NEXT_NEWLINE_CONSTRAINT,
BUF_FIRST = PREV_BEGBUF_CONSTRAINT,
BUF_LAST = NEXT_ENDBUF_CONSTRAINT,
WORD_DELIM = DUMMY_CONSTRAINT
} re_context_type;
typedef struct
{
int alloc;
int nelem;
int *elems;
} re_node_set;
typedef enum
{
NON_TYPE = 0,
/* Token type, these are used only by token. */
OP_OPEN_BRACKET,
OP_CLOSE_BRACKET,
OP_CHARSET_RANGE,
OP_OPEN_DUP_NUM,
OP_CLOSE_DUP_NUM,
OP_NON_MATCH_LIST,
OP_OPEN_COLL_ELEM,
OP_CLOSE_COLL_ELEM,
OP_OPEN_EQUIV_CLASS,
OP_CLOSE_EQUIV_CLASS,
OP_OPEN_CHAR_CLASS,
OP_CLOSE_CHAR_CLASS,
OP_WORD,
OP_NOTWORD,
BACK_SLASH,
/* Tree type, these are used only by tree. */
CONCAT,
ALT,
SUBEXP,
SIMPLE_BRACKET,
#ifdef RE_ENABLE_I18N
COMPLEX_BRACKET,
#endif /* RE_ENABLE_I18N */
/* Node type, These are used by token, node, tree. */
OP_OPEN_SUBEXP,
OP_CLOSE_SUBEXP,
OP_PERIOD,
CHARACTER,
END_OF_RE,
OP_ALT,
OP_DUP_ASTERISK,
OP_DUP_PLUS,
OP_DUP_QUESTION,
OP_BACK_REF,
ANCHOR,
/* Dummy marker. */
END_OF_RE_TOKEN_T
} re_token_type_t;
#ifdef RE_ENABLE_I18N
typedef struct
{
/* Multibyte characters. */
wchar_t *mbchars;
/* Collating symbols. */
# ifdef _LIBC
int32_t *coll_syms;
# endif
/* Equivalence classes. */
# ifdef _LIBC
int32_t *equiv_classes;
# endif
/* Range expressions. */
# ifdef _LIBC
uint32_t *range_starts;
uint32_t *range_ends;
# else /* not _LIBC */
wchar_t *range_starts;
wchar_t *range_ends;
# endif /* not _LIBC */
/* Character classes. */
wctype_t *char_classes;
/* If this character set is the non-matching list. */
unsigned int non_match : 1;
/* # of multibyte characters. */
int nmbchars;
/* # of collating symbols. */
int ncoll_syms;
/* # of equivalence classes. */
int nequiv_classes;
/* # of range expressions. */
int nranges;
/* # of character classes. */
int nchar_classes;
} re_charset_t;
#endif /* RE_ENABLE_I18N */
typedef struct
{
union
{
unsigned char c; /* for CHARACTER */
re_bitset_ptr_t sbcset; /* for SIMPLE_BRACKET */
#ifdef RE_ENABLE_I18N
re_charset_t *mbcset; /* for COMPLEX_BRACKET */
#endif /* RE_ENABLE_I18N */
int idx; /* for BACK_REF */
re_context_type ctx_type; /* for ANCHOR */
} opr;
#if __GNUC__ >= 2
re_token_type_t type : 8;
#else
re_token_type_t type;
#endif
unsigned int constraint : 10; /* context constraint */
unsigned int duplicated : 1;
#ifdef RE_ENABLE_I18N
unsigned int mb_partial : 1;
#endif
} re_token_t;
#define IS_EPSILON_NODE(type) \
((type) == OP_ALT || (type) == OP_DUP_ASTERISK || (type) == OP_DUP_PLUS \
|| (type) == OP_DUP_QUESTION || (type) == ANCHOR \
|| (type) == OP_OPEN_SUBEXP || (type) == OP_CLOSE_SUBEXP)
#define ACCEPT_MB_NODE(type) \
((type) == COMPLEX_BRACKET || (type) == OP_PERIOD)
struct re_string_t
{
/* Indicate the raw buffer which is the original string passed as an
argument of regexec(), re_search(), etc.. */
const unsigned char *raw_mbs;
/* Store the multibyte string. In case of "case insensitive mode" like
REG_ICASE, upper cases of the string are stored, otherwise MBS points
the same address that RAW_MBS points. */
unsigned char *mbs;
/* Store the case sensitive multibyte string. In case of
"case insensitive mode", the original string are stored,
otherwise MBS_CASE points the same address that MBS points. */
unsigned char *mbs_case;
#ifdef RE_ENABLE_I18N
/* Store the wide character string which is corresponding to MBS. */
wint_t *wcs;
mbstate_t cur_state;
#endif
/* Index in RAW_MBS. Each character mbs[i] corresponds to
raw_mbs[raw_mbs_idx + i]. */
int raw_mbs_idx;
/* The length of the valid characters in the buffers. */
int valid_len;
/* The length of the buffers MBS, MBS_CASE, and WCS. */
int bufs_len;
/* The index in MBS, which is updated by re_string_fetch_byte. */
int cur_idx;
/* This is length_of_RAW_MBS - RAW_MBS_IDX. */
int len;
/* End of the buffer may be shorter than its length in the cases such
as re_match_2, re_search_2. Then, we use STOP for end of the buffer
instead of LEN. */
int stop;
/* The context of mbs[0]. We store the context independently, since
the context of mbs[0] may be different from raw_mbs[0], which is
the beginning of the input string. */
unsigned int tip_context;
/* The translation passed as a part of an argument of re_compile_pattern. */
RE_TRANSLATE_TYPE trans;
/* 1 if REG_ICASE. */
unsigned int icase : 1;
};
typedef struct re_string_t re_string_t;
/* In case of REG_ICASE, we allocate the buffer dynamically for mbs. */
#define MBS_ALLOCATED(pstr) (pstr->icase)
/* In case that we need translation, we allocate the buffer dynamically
for mbs_case. Note that mbs == mbs_case if not REG_ICASE. */
#define MBS_CASE_ALLOCATED(pstr) (pstr->trans != NULL)
static reg_errcode_t re_string_allocate (re_string_t *pstr, const char *str,
int len, int init_len,
RE_TRANSLATE_TYPE trans, int icase);
static reg_errcode_t re_string_construct (re_string_t *pstr, const char *str,
int len, RE_TRANSLATE_TYPE trans,
int icase);
static reg_errcode_t re_string_reconstruct (re_string_t *pstr, int idx,
int eflags, int newline);
static reg_errcode_t re_string_realloc_buffers (re_string_t *pstr,
int new_buf_len);
#ifdef RE_ENABLE_I18N
static void build_wcs_buffer (re_string_t *pstr);
static void build_wcs_upper_buffer (re_string_t *pstr);
#endif /* RE_ENABLE_I18N */
static void build_upper_buffer (re_string_t *pstr);
static void re_string_translate_buffer (re_string_t *pstr);
static void re_string_destruct (re_string_t *pstr);
#ifdef RE_ENABLE_I18N
static int re_string_elem_size_at (const re_string_t *pstr, int idx);
static inline int re_string_char_size_at (const re_string_t *pstr, int idx);
static inline wint_t re_string_wchar_at (const re_string_t *pstr, int idx);
#endif /* RE_ENABLE_I18N */
static unsigned int re_string_context_at (const re_string_t *input, int idx,
int eflags, int newline_anchor);
#define re_string_peek_byte(pstr, offset) \
((pstr)->mbs[(pstr)->cur_idx + offset])
#define re_string_peek_byte_case(pstr, offset) \
((pstr)->mbs_case[(pstr)->cur_idx + offset])
#define re_string_fetch_byte(pstr) \
((pstr)->mbs[(pstr)->cur_idx++])
#define re_string_fetch_byte_case(pstr) \
((pstr)->mbs_case[(pstr)->cur_idx++])
#define re_string_first_byte(pstr, idx) \
((idx) == (pstr)->len || (pstr)->wcs[idx] != WEOF)
#define re_string_is_single_byte_char(pstr, idx) \
((pstr)->wcs[idx] != WEOF && ((pstr)->len == (idx) \
|| (pstr)->wcs[(idx) + 1] != WEOF))
#define re_string_eoi(pstr) ((pstr)->stop <= (pstr)->cur_idx)
#define re_string_cur_idx(pstr) ((pstr)->cur_idx)
#define re_string_get_buffer(pstr) ((pstr)->mbs)
#define re_string_length(pstr) ((pstr)->len)
#define re_string_byte_at(pstr,idx) ((pstr)->mbs[idx])
#define re_string_skip_bytes(pstr,idx) ((pstr)->cur_idx += (idx))
#define re_string_set_index(pstr,idx) ((pstr)->cur_idx = (idx))
#define re_malloc(t,n) ((t *) malloc ((n) * sizeof (t)))
#define re_realloc(p,t,n) ((t *) realloc (p, (n) * sizeof (t)))
#define re_free(p) free (p)
struct bin_tree_t
{
struct bin_tree_t *parent;
struct bin_tree_t *left;
struct bin_tree_t *right;
/* `node_idx' is the index in dfa->nodes, if `type' == 0.
Otherwise `type' indicate the type of this node. */
re_token_type_t type;
int node_idx;
int first;
int next;
re_node_set eclosure;
};
typedef struct bin_tree_t bin_tree_t;
#define CONTEXT_WORD 1
#define CONTEXT_NEWLINE (CONTEXT_WORD << 1)
#define CONTEXT_BEGBUF (CONTEXT_NEWLINE << 1)
#define CONTEXT_ENDBUF (CONTEXT_BEGBUF << 1)
#define IS_WORD_CONTEXT(c) ((c) & CONTEXT_WORD)
#define IS_NEWLINE_CONTEXT(c) ((c) & CONTEXT_NEWLINE)
#define IS_BEGBUF_CONTEXT(c) ((c) & CONTEXT_BEGBUF)
#define IS_ENDBUF_CONTEXT(c) ((c) & CONTEXT_ENDBUF)
#define IS_ORDINARY_CONTEXT(c) ((c) == 0)
#define IS_WORD_CHAR(ch) (isalnum (ch) || (ch) == '_')
#define IS_NEWLINE(ch) ((ch) == NEWLINE_CHAR)
#define IS_WIDE_WORD_CHAR(ch) (iswalnum (ch) || (ch) == L'_')
#define IS_WIDE_NEWLINE(ch) ((ch) == WIDE_NEWLINE_CHAR)
#define NOT_SATISFY_PREV_CONSTRAINT(constraint,context) \
((((constraint) & PREV_WORD_CONSTRAINT) && !IS_WORD_CONTEXT (context)) \
|| ((constraint & PREV_NOTWORD_CONSTRAINT) && IS_WORD_CONTEXT (context)) \
|| ((constraint & PREV_NEWLINE_CONSTRAINT) && !IS_NEWLINE_CONTEXT (context))\
|| ((constraint & PREV_BEGBUF_CONSTRAINT) && !IS_BEGBUF_CONTEXT (context)))
#define NOT_SATISFY_NEXT_CONSTRAINT(constraint,context) \
((((constraint) & NEXT_WORD_CONSTRAINT) && !IS_WORD_CONTEXT (context)) \
|| (((constraint) & NEXT_NOTWORD_CONSTRAINT) && IS_WORD_CONTEXT (context)) \
|| (((constraint) & NEXT_NEWLINE_CONSTRAINT) && !IS_NEWLINE_CONTEXT (context)) \
|| (((constraint) & NEXT_ENDBUF_CONSTRAINT) && !IS_ENDBUF_CONTEXT (context)))
struct re_dfastate_t
{
unsigned int hash;
re_node_set nodes;
re_node_set *entrance_nodes;
struct re_dfastate_t **trtable;
struct re_dfastate_t **trtable_search;
/* If this state is a special state.
A state is a special state if the state is the halt state, or
a anchor. */
unsigned int context : 2;
unsigned int halt : 1;
/* If this state can accept `multi byte'.
Note that we refer to multibyte characters, and multi character
collating elements as `multi byte'. */
unsigned int accept_mb : 1;
/* If this state has backreference node(s). */
unsigned int has_backref : 1;
unsigned int has_constraint : 1;
};
typedef struct re_dfastate_t re_dfastate_t;
typedef struct
{
/* start <= node < end */
int start;
int end;
} re_subexp_t;
struct re_state_table_entry
{
int num;
int alloc;
re_dfastate_t **array;
};
/* Array type used in re_sub_match_last_t and re_sub_match_top_t. */
typedef struct
{
int next_idx;
int alloc;
re_dfastate_t **array;
} state_array_t;
/* Store information about the node NODE whose type is OP_CLOSE_SUBEXP. */
typedef struct
{
int node;
int str_idx; /* The position NODE match at. */
state_array_t path;
} re_sub_match_last_t;
/* Store information about the node NODE whose type is OP_OPEN_SUBEXP.
And information about the node, whose type is OP_CLOSE_SUBEXP,
corresponding to NODE is stored in LASTS. */
typedef struct
{
int str_idx;
int node;
int next_last_offset;
state_array_t *path;
int alasts; /* Allocation size of LASTS. */
int nlasts; /* The number of LASTS. */
re_sub_match_last_t **lasts;
} re_sub_match_top_t;
struct re_backref_cache_entry
{
int node;
int str_idx;
int subexp_from;
int subexp_to;
int flag;
};
typedef struct
{
/* EFLAGS of the argument of regexec. */
int eflags;
/* Where the matching ends. */
int match_last;
int last_node;
/* The string object corresponding to the input string. */
re_string_t *input;
/* The state log used by the matcher. */
re_dfastate_t **state_log;
int state_log_top;
/* Back reference cache. */
int nbkref_ents;
int abkref_ents;
struct re_backref_cache_entry *bkref_ents;
int max_mb_elem_len;
int nsub_tops;
int asub_tops;
re_sub_match_top_t **sub_tops;
} re_match_context_t;
typedef struct
{
int cur_bkref;
int cls_subexp_idx;
re_dfastate_t **sifted_states;
re_dfastate_t **limited_states;
re_node_set limits;
int last_node;
int last_str_idx;
int check_subexp;
} re_sift_context_t;
struct re_fail_stack_ent_t
{
int idx;
int node;
regmatch_t *regs;
re_node_set eps_via_nodes;
};
struct re_fail_stack_t
{
int num;
int alloc;
struct re_fail_stack_ent_t *stack;
};
struct re_dfa_t
{
re_bitset_ptr_t word_char;
/* number of subexpressions `re_nsub' is in regex_t. */
int subexps_alloc;
re_subexp_t *subexps;
re_token_t *nodes;
int nodes_alloc;
int nodes_len;
bin_tree_t *str_tree;
int *nexts;
int *org_indices;
re_node_set *edests;
re_node_set *eclosures;
re_node_set *inveclosures;
struct re_state_table_entry *state_table;
unsigned int state_hash_mask;
re_dfastate_t *init_state;
re_dfastate_t *init_state_word;
re_dfastate_t *init_state_nl;
re_dfastate_t *init_state_begbuf;
int states_alloc;
int init_node;
int nbackref; /* The number of backreference in this dfa. */
/* Bitmap expressing which backreference is used. */
unsigned int used_bkref_map;
#ifdef DEBUG
char* re_str;
#endif
unsigned int has_plural_match : 1;
/* If this dfa has "multibyte node", which is a backreference or
a node which can accept multibyte character or multi character
collating element. */
unsigned int has_mb_node : 1;
};
typedef struct re_dfa_t re_dfa_t;
static reg_errcode_t re_node_set_alloc (re_node_set *set, int size);
static reg_errcode_t re_node_set_init_1 (re_node_set *set, int elem);
static reg_errcode_t re_node_set_init_2 (re_node_set *set, int elem1,
int elem2);
#define re_node_set_init_empty(set) memset (set, '\0', sizeof (re_node_set))
static reg_errcode_t re_node_set_init_copy (re_node_set *dest,
const re_node_set *src);
static reg_errcode_t re_node_set_add_intersect (re_node_set *dest,
const re_node_set *src1,
const re_node_set *src2);
static reg_errcode_t re_node_set_init_union (re_node_set *dest,
const re_node_set *src1,
const re_node_set *src2);
static reg_errcode_t re_node_set_merge (re_node_set *dest,
const re_node_set *src);
static int re_node_set_insert (re_node_set *set, int elem);
static int re_node_set_compare (const re_node_set *set1,
const re_node_set *set2);
static int re_node_set_contains (const re_node_set *set, int elem);
static void re_node_set_remove_at (re_node_set *set, int idx);
#define re_node_set_remove(set,id) \
(re_node_set_remove_at (set, re_node_set_contains (set, id) - 1))
#define re_node_set_empty(p) ((p)->nelem = 0)
#define re_node_set_free(set) re_free ((set)->elems)
static int re_dfa_add_node (re_dfa_t *dfa, re_token_t token, int mode);
static re_dfastate_t *re_acquire_state (reg_errcode_t *err, re_dfa_t *dfa,
const re_node_set *nodes);
static re_dfastate_t *re_acquire_state_context (reg_errcode_t *err,
re_dfa_t *dfa,
const re_node_set *nodes,
unsigned int context);
static void free_state (re_dfastate_t *state);
typedef enum
{
SB_CHAR,
MB_CHAR,
EQUIV_CLASS,
COLL_SYM,
CHAR_CLASS
} bracket_elem_type;
typedef struct
{
bracket_elem_type type;
union
{
unsigned char ch;
unsigned char *name;
wchar_t wch;
} opr;
} bracket_elem_t;
/* Inline functions for bitset operation. */
static inline void
bitset_not (set)
bitset set;
{
int bitset_i;
for (bitset_i = 0; bitset_i < BITSET_UINTS; ++bitset_i)
set[bitset_i] = ~set[bitset_i];
}
static inline void
bitset_merge (dest, src)
bitset dest;
const bitset src;
{
int bitset_i;
for (bitset_i = 0; bitset_i < BITSET_UINTS; ++bitset_i)
dest[bitset_i] |= src[bitset_i];
}
static inline void
bitset_not_merge (dest, src)
bitset dest;
const bitset src;
{
int i;
for (i = 0; i < BITSET_UINTS; ++i)
dest[i] |= ~src[i];
}
#ifdef RE_ENABLE_I18N
/* Inline functions for re_string. */
static inline int
re_string_char_size_at (pstr, idx)
const re_string_t *pstr;
int idx;
{
int byte_idx;
if (MB_CUR_MAX == 1)
return 1;
for (byte_idx = 1; idx + byte_idx < pstr->len; ++byte_idx)
if (pstr->wcs[idx + byte_idx] != WEOF)
break;
return byte_idx;
}
static inline wint_t
re_string_wchar_at (pstr, idx)
const re_string_t *pstr;
int idx;
{
if (MB_CUR_MAX == 1)
return (wint_t) pstr->mbs[idx];
return (wint_t) pstr->wcs[idx];
}
static int
re_string_elem_size_at (pstr, idx)
const re_string_t *pstr;
int idx;
{
#ifdef _LIBC
const unsigned char *p, *extra;
const int32_t *table, *indirect;
int32_t tmp;
# include <locale/weight.h>
uint_fast32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
if (nrules != 0)
{
table = (const int32_t *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
extra = (const unsigned char *)
_NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAMB);
indirect = (const int32_t *) _NL_CURRENT (LC_COLLATE,
_NL_COLLATE_INDIRECTMB);
p = pstr->mbs + idx;
tmp = findidx (&p);
return p - pstr->mbs - idx;
}
else
#endif /* _LIBC */
return 1;
}
#endif /* RE_ENABLE_I18N */
#endif /* _REGEX_INTERNAL_H */
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