Import new gnulib.

This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-04-11 21:12:46 +02:00
parent 93cd84df63
commit 053cfcddf1
255 changed files with 12578 additions and 4948 deletions

View file

@ -1,43 +1,36 @@
/* Extended regular expression matching and search library.
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free
Software Foundation, Inc.
Copyright (C) 2002-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, 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 General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
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 General Public License for more details.
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
You should have received a copy of the GNU General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _REGEX_INTERNAL_H
#define _REGEX_INTERNAL_H 1
#include <assert.h>
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <langinfo.h>
#ifndef _LIBC
# include "localcharset.h"
#endif
#if defined HAVE_LOCALE_H || defined _LIBC
# include <locale.h>
#endif
#include <locale.h>
#include <wchar.h>
#include <wctype.h>
#include <stdbool.h>
#include <stdint.h>
#if defined _LIBC
# include <bits/libc-lock.h>
@ -67,7 +60,7 @@
# ifdef _LIBC
# undef gettext
# define gettext(msgid) \
INTUSE(__dcgettext) (_libc_intl_domainname, msgid, LC_MESSAGES)
__dcgettext (_libc_intl_domainname, msgid, LC_MESSAGES)
# endif
#else
# define gettext(msgid) (msgid)
@ -79,12 +72,7 @@
# define gettext_noop(String) String
#endif
/* For loser systems without the definition. */
#ifndef SIZE_MAX
# define SIZE_MAX ((size_t) -1)
#endif
#if (defined MB_CUR_MAX && HAVE_LOCALE_H && HAVE_WCTYPE_H && HAVE_ISWCTYPE && HAVE_WCSCOLL) || _LIBC
#if (defined MB_CUR_MAX && HAVE_WCTYPE_H && HAVE_ISWCTYPE && HAVE_WCSCOLL) || _LIBC
# define RE_ENABLE_I18N
#endif
@ -92,9 +80,6 @@
# define BE(expr, val) __builtin_expect (expr, val)
#else
# define BE(expr, val) (expr)
# ifdef _LIBC
# define inline
# endif
#endif
/* Number of ASCII characters. */
@ -111,22 +96,27 @@
/* Rename to standard API for using out of glibc. */
#ifndef _LIBC
# undef __wctype
# undef __iswctype
# define __wctype wctype
# define __iswctype iswctype
# define __btowc btowc
# define __wcrtomb wcrtomb
# define __mbrtowc mbrtowc
# define __wcrtomb wcrtomb
# define __regfree regfree
# define attribute_hidden
#endif /* not _LIBC */
#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
# define __attribute(arg) __attribute__ (arg)
#else
# define __attribute(arg)
#if __GNUC__ < 3 + (__GNUC_MINOR__ < 1)
# define __attribute__(arg)
#endif
typedef __re_idx_t Idx;
#ifdef _REGEX_LARGE_OFFSETS
# define IDX_MAX (SIZE_MAX - 2)
#else
# define IDX_MAX INT_MAX
#endif
/* Special return value for failure to match. */
#define REG_MISSING ((Idx) -1)
@ -337,7 +327,7 @@ typedef struct
Idx idx; /* for BACK_REF */
re_context_type ctx_type; /* for ANCHOR */
} opr;
#if __GNUC__ >= 2 && !__STRICT_ANSI__
#if __GNUC__ >= 2 && !defined __STRICT_ANSI__
re_token_type_t type : 8;
#else
re_token_type_t type;
@ -413,27 +403,29 @@ struct re_string_t
};
typedef struct re_string_t re_string_t;
struct re_dfa_t;
typedef struct re_dfa_t re_dfa_t;
#ifndef _LIBC
# if defined __i386__ && !defined __EMX__
# define internal_function __attribute ((regparm (3), stdcall))
# else
# define internal_function
# endif
# define internal_function
#endif
#ifndef NOT_IN_libc
static reg_errcode_t re_string_realloc_buffers (re_string_t *pstr,
Idx new_buf_len)
internal_function;
#ifdef RE_ENABLE_I18N
# ifdef RE_ENABLE_I18N
static void build_wcs_buffer (re_string_t *pstr) internal_function;
static reg_errcode_t build_wcs_upper_buffer (re_string_t *pstr)
internal_function;
#endif /* RE_ENABLE_I18N */
internal_function;
# endif /* RE_ENABLE_I18N */
static void build_upper_buffer (re_string_t *pstr) internal_function;
static void re_string_translate_buffer (re_string_t *pstr) internal_function;
static unsigned int re_string_context_at (const re_string_t *input, Idx idx,
int eflags)
internal_function __attribute ((pure));
internal_function __attribute__ ((pure));
#endif
#define re_string_peek_byte(pstr, offset) \
((pstr)->mbs[(pstr)->cur_idx + offset])
#define re_string_fetch_byte(pstr) \
@ -451,7 +443,9 @@ static unsigned int re_string_context_at (const re_string_t *input, Idx idx,
#define re_string_skip_bytes(pstr,idx) ((pstr)->cur_idx += (idx))
#define re_string_set_index(pstr,idx) ((pstr)->cur_idx = (idx))
#include <alloca.h>
#if defined _LIBC || HAVE_ALLOCA
# include <alloca.h>
#endif
#ifndef _LIBC
# if HAVE_ALLOCA
@ -468,9 +462,18 @@ static unsigned int re_string_context_at (const re_string_t *input, Idx idx,
# endif
#endif
#ifdef _LIBC
# define MALLOC_0_IS_NONNULL 1
#elif !defined MALLOC_0_IS_NONNULL
# define MALLOC_0_IS_NONNULL 0
#endif
#ifndef MAX
# define MAX(a,b) ((a) < (b) ? (b) : (a))
#endif
#ifndef MIN
# define MIN(a,b) ((a) < (b) ? (a) : (b))
#endif
#define re_malloc(t,n) ((t *) malloc ((n) * sizeof (t)))
#define re_realloc(p,t,n) ((t *) realloc (p, (n) * sizeof (t)))
@ -486,8 +489,8 @@ struct bin_tree_t
re_token_t token;
/* `node_idx' is the index in dfa->nodes, if `type' == 0.
Otherwise `type' indicate the type of this node. */
/* 'node_idx' is the index in dfa->nodes, if 'type' == 0.
Otherwise 'type' indicate the type of this node. */
Idx node_idx;
};
typedef struct bin_tree_t bin_tree_t;
@ -540,9 +543,9 @@ struct re_dfastate_t
struct re_dfastate_t **trtable, **word_trtable;
unsigned int context : 4;
unsigned int halt : 1;
/* If this state can accept `multi byte'.
/* If this state can accept "multi byte".
Note that we refer to multibyte characters, and multi character
collating elements as `multi byte'. */
collating elements as "multi byte". */
unsigned int accept_mb : 1;
/* If this state has backreference node(s). */
unsigned int has_backref : 1;
@ -671,7 +674,7 @@ struct re_dfa_t
re_bitset_ptr_t sb_char;
int str_tree_storage_idx;
/* number of subexpressions `re_nsub' is in regex_t. */
/* number of subexpressions 're_nsub' is in regex_t. */
re_hashval_t state_hash_mask;
Idx init_node;
Idx nbackref; /* The number of backreference in this dfa. */
@ -728,33 +731,33 @@ typedef struct
} bracket_elem_t;
/* Inline functions for bitset_t operation. */
/* Functions for bitset_t operation. */
static inline void
static void
bitset_set (bitset_t set, Idx i)
{
set[i / BITSET_WORD_BITS] |= (bitset_word_t) 1 << i % BITSET_WORD_BITS;
}
static inline void
static void
bitset_clear (bitset_t set, Idx i)
{
set[i / BITSET_WORD_BITS] &= ~ ((bitset_word_t) 1 << i % BITSET_WORD_BITS);
}
static inline bool
static bool
bitset_contain (const bitset_t set, Idx i)
{
return (set[i / BITSET_WORD_BITS] >> i % BITSET_WORD_BITS) & 1;
}
static inline void
static void
bitset_empty (bitset_t set)
{
memset (set, '\0', sizeof (bitset_t));
}
static inline void
static void
bitset_set_all (bitset_t set)
{
memset (set, -1, sizeof (bitset_word_t) * (SBC_MAX / BITSET_WORD_BITS));
@ -763,13 +766,13 @@ bitset_set_all (bitset_t set)
((bitset_word_t) 1 << SBC_MAX % BITSET_WORD_BITS) - 1;
}
static inline void
static void
bitset_copy (bitset_t dest, const bitset_t src)
{
memcpy (dest, src, sizeof (bitset_t));
}
static inline void
static void __attribute__ ((unused))
bitset_not (bitset_t set)
{
int bitset_i;
@ -781,7 +784,7 @@ bitset_not (bitset_t set)
& ~set[BITSET_WORDS - 1]);
}
static inline void
static void __attribute__ ((unused))
bitset_merge (bitset_t dest, const bitset_t src)
{
int bitset_i;
@ -789,7 +792,7 @@ bitset_merge (bitset_t dest, const bitset_t src)
dest[bitset_i] |= src[bitset_i];
}
static inline void
static void __attribute__ ((unused))
bitset_mask (bitset_t dest, const bitset_t src)
{
int bitset_i;
@ -798,9 +801,9 @@ bitset_mask (bitset_t dest, const bitset_t src)
}
#ifdef RE_ENABLE_I18N
/* Inline functions for re_string. */
static inline int
internal_function __attribute ((pure))
/* Functions for re_string. */
static int
internal_function __attribute__ ((pure, unused))
re_string_char_size_at (const re_string_t *pstr, Idx idx)
{
int byte_idx;
@ -812,8 +815,8 @@ re_string_char_size_at (const re_string_t *pstr, Idx idx)
return byte_idx;
}
static inline wint_t
internal_function __attribute ((pure))
static wint_t
internal_function __attribute__ ((pure, unused))
re_string_wchar_at (const re_string_t *pstr, Idx idx)
{
if (pstr->mb_cur_max == 1)
@ -821,15 +824,15 @@ re_string_wchar_at (const re_string_t *pstr, Idx idx)
return (wint_t) pstr->wcs[idx];
}
# ifndef NOT_IN_libc
static int
internal_function __attribute ((pure))
internal_function __attribute__ ((pure, unused))
re_string_elem_size_at (const re_string_t *pstr, Idx idx)
{
# ifdef _LIBC
# ifdef _LIBC
const unsigned char *p, *extra;
const int32_t *table, *indirect;
int32_t tmp;
# include <locale/weight.h>
# include <locale/weight.h>
uint_fast32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
if (nrules != 0)
@ -840,13 +843,14 @@ re_string_elem_size_at (const re_string_t *pstr, Idx idx)
indirect = (const int32_t *) _NL_CURRENT (LC_COLLATE,
_NL_COLLATE_INDIRECTMB);
p = pstr->mbs + idx;
tmp = findidx (&p);
findidx (&p, pstr->len - idx);
return p - pstr->mbs - idx;
}
else
# endif /* _LIBC */
# endif /* _LIBC */
return 1;
}
# endif
#endif /* RE_ENABLE_I18N */
#ifndef __GNUC_PREREQ