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-rw-r--r--libc/misc/regex/regcomp.c75
-rw-r--r--libc/misc/regex/regex.c3
-rw-r--r--libc/misc/regex/regex_internal.c36
-rw-r--r--libc/misc/regex/regex_internal.h89
-rw-r--r--libc/misc/regex/regexec.c50
5 files changed, 88 insertions, 165 deletions
diff --git a/libc/misc/regex/regcomp.c b/libc/misc/regex/regcomp.c
index bacba36c6..e14243051 100644
--- a/libc/misc/regex/regcomp.c
+++ b/libc/misc/regex/regcomp.c
@@ -344,7 +344,7 @@ re_compile_fastmap_iter (regex_t *bufp, const re_dfastate_t *init_state,
if (cset->non_match || cset->ncoll_syms || cset->nequiv_classes
|| cset->nranges || cset->nchar_classes)
{
-# ifdef _LIBC
+# if 0
if (_NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES) != 0)
{
/* In this case we want to catch the bytes which are
@@ -364,7 +364,7 @@ re_compile_fastmap_iter (regex_t *bufp, const re_dfastate_t *init_state,
for (i = 0; i < SBC_MAX; ++i)
if (__btowc (i) == WEOF)
re_set_fastmap (fastmap, icase, i);
-# endif /* not _LIBC */
+# endif
}
for (i = 0; i < cset->nmbchars; ++i)
{
@@ -610,18 +610,16 @@ libc_hidden_def(regfree)
/* Entry points compatible with 4.2 BSD regex library. We don't define
them unless specifically requested. */
-#if defined _REGEX_RE_COMP || defined _LIBC || defined __UCLIBC__
+#if defined _REGEX_RE_COMP || defined __UCLIBC__
/* BSD has one and only one pattern buffer. */
static struct re_pattern_buffer *re_comp_buf;
char *
-# if defined _LIBC || defined __UCLIBC__
-/* Make these definitions weak in libc, so POSIX programs can redefine
+/* Make BCD definitions weak in libc, so POSIX programs can redefine
these names if they don't use our functions, and still use
regcomp/regexec above without link errors. */
weak_function
-# endif
re_comp (const char *s)
{
reg_errcode_t ret;
@@ -679,7 +677,7 @@ re_comp (const char *s)
return (char *) gettext (__re_error_msgid + __re_error_msgid_idx[(int) ret]);
}
-#ifdef _LIBC
+#if 0
libc_freeres_fn (free_mem)
{
regfree (re_comp_buf);
@@ -801,7 +799,7 @@ static reg_errcode_t
init_dfa (re_dfa_t *dfa, size_t pat_len)
{
unsigned int table_size;
-#ifndef _LIBC
+#if 1
char *codeset_name;
#endif
@@ -830,7 +828,7 @@ init_dfa (re_dfa_t *dfa, size_t pat_len)
#else
dfa->mb_cur_max = 1;
#endif
-#ifdef _LIBC
+#if 0
if (dfa->mb_cur_max == 6
&& strcmp (_NL_CURRENT (LC_CTYPE, _NL_CTYPE_CODESET_NAME), "UTF-8") == 0)
dfa->is_utf8 = 1;
@@ -880,7 +878,7 @@ init_dfa (re_dfa_t *dfa, size_t pat_len)
wint_t wch = __btowc (ch);
if (wch != WEOF)
dfa->sb_char[i] |= (bitset_word_t) 1 << j;
-# ifndef _LIBC
+# if 1
if (isascii (ch) && wch != ch)
dfa->map_notascii = 1;
# endif
@@ -2541,8 +2539,8 @@ parse_dup_op (bin_tree_t *elem, re_string_t *regexp, re_dfa_t *dfa,
I'm not sure, but maybe enough. */
#define BRACKET_NAME_BUF_SIZE 32
-#ifndef _LIBC
- /* Local function for parse_bracket_exp only used in case of NOT _LIBC.
+#if 1
+ /* Local function for parse_bracket_exp only used in case of NOT glibc.
Build the range expression which starts from START_ELEM, and ends
at END_ELEM. The result are written to MBCSET and SBCSET.
RANGE_ALLOC is the allocated size of mbcset->range_starts, and
@@ -2599,7 +2597,7 @@ build_range_exp (bitset_t sbcset, bracket_elem_t *start_elem,
return REG_ERANGE;
/* Got valid collation sequence values, add them as a new entry.
- However, for !_LIBC we have no collation elements: if the
+ However, for !glibc we have no collation elements: if the
character set is single byte, the single byte character set
that we build below suffices. parse_bracket_exp passes
no MBCSET if dfa->mb_cur_max == 1. */
@@ -2661,10 +2659,10 @@ build_range_exp (bitset_t sbcset, bracket_elem_t *start_elem,
# endif /* not RE_ENABLE_I18N */
return REG_NOERROR;
}
-#endif /* not _LIBC */
+#endif
-#ifndef _LIBC
-/* Helper function for parse_bracket_exp only used in case of NOT _LIBC..
+#if 1
+/* Helper function for parse_bracket_exp only used in case of NOT glibc.
Build the collating element which is represented by NAME.
The result are written to MBCSET and SBCSET.
COLL_SYM_ALLOC is the allocated size of mbcset->coll_sym, is a
@@ -2682,13 +2680,10 @@ build_collating_symbol (bitset_t sbcset, const unsigned char *name)
size_t name_len = strlen ((const char *) name);
if (BE (name_len != 1, 0))
return REG_ECOLLATE;
- else
- {
- bitset_set (sbcset, name[0]);
- return REG_NOERROR;
- }
+ bitset_set (sbcset, name[0]);
+ return REG_NOERROR;
}
-#endif /* not _LIBC */
+#endif
/* This function parse bracket expression like "[abc]", "[a-c]",
"[[.a-a.]]" etc. */
@@ -2697,7 +2692,7 @@ static bin_tree_t *
parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
reg_syntax_t syntax, reg_errcode_t *err)
{
-#ifdef _LIBC
+#if 0
const unsigned char *collseqmb;
const char *collseqwc;
uint32_t nrules;
@@ -2705,15 +2700,13 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
const int32_t *symb_table;
const unsigned char *extra;
- /* Local function for parse_bracket_exp used in _LIBC environement.
+ /* Local function for parse_bracket_exp used in glibc.
Seek the collating symbol entry correspondings to NAME.
Return the index of the symbol in the SYMB_TABLE. */
auto __inline__ int32_t
__attribute ((always_inline))
- seek_collating_symbol_entry (name, name_len)
- const unsigned char *name;
- size_t name_len;
+ seek_collating_symbol_entry (const unsigned char *name, size_t name_len)
{
int32_t hash = elem_hash ((const char *) name, name_len);
int32_t elem = hash % table_size;
@@ -2743,14 +2736,13 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
return elem;
}
- /* Local function for parse_bracket_exp used in _LIBC environement.
+ /* Local function for parse_bracket_exp used in glibc.
Look up the collation sequence value of BR_ELEM.
Return the value if succeeded, UINT_MAX otherwise. */
auto __inline__ unsigned int
__attribute ((always_inline))
- lookup_collation_sequence_value (br_elem)
- bracket_elem_t *br_elem;
+ lookup_collation_sequence_value (bracket_elem_t *br_elem)
{
if (br_elem->type == SB_CHAR)
{
@@ -2808,7 +2800,7 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
return UINT_MAX;
}
- /* Local function for parse_bracket_exp used in _LIBC environement.
+ /* Local function for parse_bracket_exp used in glibc.
Build the range expression which starts from START_ELEM, and ends
at END_ELEM. The result are written to MBCSET and SBCSET.
RANGE_ALLOC is the allocated size of mbcset->range_starts, and
@@ -2892,7 +2884,7 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
return REG_NOERROR;
}
- /* Local function for parse_bracket_exp used in _LIBC environement.
+ /* Local function for parse_bracket_exp used in glibc.
Build the collating element which is represented by NAME.
The result are written to MBCSET and SBCSET.
COLL_SYM_ALLOC is the allocated size of mbcset->coll_sym, is a
@@ -2900,11 +2892,10 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
auto __inline__ reg_errcode_t
__attribute ((always_inline))
- build_collating_symbol (sbcset, mbcset, coll_sym_alloc, name)
- re_charset_t *mbcset;
- int *coll_sym_alloc;
- bitset_t sbcset;
- const unsigned char *name;
+ build_collating_symbol (re_charset_t *mbcset,
+ int *coll_sym_alloc,
+ bitset_t sbcset,
+ const unsigned char *name)
{
int32_t elem, idx;
size_t name_len = strlen ((const char *) name);
@@ -2971,7 +2962,7 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
bin_tree_t *work_tree;
int token_len;
int first_round = 1;
-#ifdef _LIBC
+#if 0
collseqmb = (const unsigned char *)
_NL_CURRENT (LC_COLLATE, _NL_COLLATE_COLLSEQMB);
nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
@@ -3092,7 +3083,7 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
token_len = peek_token_bracket (token, regexp, syntax);
-#ifdef _LIBC
+#if 0
*err = build_range_exp (sbcset, mbcset, &range_alloc,
&start_elem, &end_elem);
#else
@@ -3345,7 +3336,7 @@ build_equiv_class (bitset_t sbcset, re_charset_t *mbcset,
build_equiv_class (bitset_t sbcset, const unsigned char *name)
#endif
{
-#ifdef _LIBC
+#if 0
uint32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
if (nrules != 0)
{
@@ -3414,7 +3405,7 @@ build_equiv_class (bitset_t sbcset, const unsigned char *name)
mbcset->equiv_classes[mbcset->nequiv_classes++] = idx1;
}
else
-#endif /* _LIBC */
+#endif
{
if (BE (strlen ((const char *) name) != 1, 0))
return REG_ECOLLATE;
@@ -3654,7 +3645,7 @@ static void
free_charset (re_charset_t *cset)
{
re_free (cset->mbchars);
-# ifdef _LIBC
+# if 0
re_free (cset->coll_syms);
re_free (cset->equiv_classes);
re_free (cset->range_starts);
diff --git a/libc/misc/regex/regex.c b/libc/misc/regex/regex.c
index edf02a89d..bc2e502f6 100644
--- a/libc/misc/regex/regex.c
+++ b/libc/misc/regex/regex.c
@@ -21,9 +21,6 @@
#include <features.h>
#ifdef __UCLIBC__
-/* TODO: having _LIBC *off* is very confusing - the rest of uclibc
- * has it *on*. Fix it. */
-# undef _LIBC
# define _REGEX_RE_COMP
# define HAVE_LANGINFO
# define HAVE_LANGINFO_CODESET
diff --git a/libc/misc/regex/regex_internal.c b/libc/misc/regex/regex_internal.c
index 1c94c979a..c6685528d 100644
--- a/libc/misc/regex/regex_internal.c
+++ b/libc/misc/regex/regex_internal.c
@@ -109,7 +109,7 @@ re_string_construct (re_string_t *pstr, const char *str, int len,
if (dfa->mb_cur_max > 1)
build_wcs_buffer (pstr);
else
-#endif /* RE_ENABLE_I18N */
+#endif
{
if (trans != NULL)
re_string_translate_buffer (pstr);
@@ -195,7 +195,7 @@ static void
internal_function
build_wcs_buffer (re_string_t *pstr)
{
-#if defined _LIBC || defined __UCLIBC__
+#if defined __UCLIBC__
unsigned char buf[MB_LEN_MAX];
assert (MB_LEN_MAX >= pstr->mb_cur_max);
#else
@@ -266,7 +266,7 @@ build_wcs_upper_buffer (re_string_t *pstr)
mbstate_t prev_st;
int src_idx, byte_idx, end_idx, remain_len;
size_t mbclen;
-#if defined _LIBC || defined __UCLIBC__
+#if defined __UCLIBC__
char buf[MB_LEN_MAX];
assert (MB_LEN_MAX >= pstr->mb_cur_max);
#else
@@ -565,7 +565,7 @@ re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
#ifdef RE_ENABLE_I18N
if (pstr->mb_cur_max > 1)
memset (&pstr->cur_state, '\0', sizeof (mbstate_t));
-#endif /* RE_ENABLE_I18N */
+#endif
pstr->len = pstr->raw_len;
pstr->stop = pstr->raw_stop;
pstr->valid_len = 0;
@@ -596,7 +596,7 @@ re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
if (pstr->mb_cur_max > 1)
memmove (pstr->wcs, pstr->wcs + offset,
(pstr->valid_len - offset) * sizeof (wint_t));
-#endif /* RE_ENABLE_I18N */
+#endif
if (BE (pstr->mbs_allocated, 0))
memmove (pstr->mbs, pstr->mbs + offset,
pstr->valid_len - offset);
@@ -634,7 +634,7 @@ re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
raw = pstr->raw_mbs + pstr->raw_mbs_idx;
end = raw + (offset - pstr->mb_cur_max);
p = raw + offset - 1;
-#ifdef _LIBC
+#if 0
/* We know the wchar_t encoding is UCS4, so for the simple
case, ASCII characters, skip the conversion step. */
if (isascii (*p) && BE (pstr->trans == NULL, 1))
@@ -729,7 +729,7 @@ re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
build_wcs_buffer (pstr);
}
else
-#endif /* RE_ENABLE_I18N */
+#endif
if (BE (pstr->mbs_allocated, 0))
{
if (pstr->icase)
@@ -864,14 +864,11 @@ re_string_context_at (const re_string_t *input, int idx, int eflags)
return (IS_WIDE_NEWLINE (wc) && input->newline_anchor
? CONTEXT_NEWLINE : 0);
}
- else
#endif
- {
- c = re_string_byte_at (input, idx);
- if (bitset_contain (input->word_char, c))
- return CONTEXT_WORD;
- return IS_NEWLINE (c) && input->newline_anchor ? CONTEXT_NEWLINE : 0;
- }
+ c = re_string_byte_at (input, idx);
+ if (bitset_contain (input->word_char, c))
+ return CONTEXT_WORD;
+ return IS_NEWLINE (c) && input->newline_anchor ? CONTEXT_NEWLINE : 0;
}
/* Functions for set operation. */
@@ -1068,10 +1065,9 @@ re_node_set_init_union (re_node_set *dest, const re_node_set *src1,
{
if (src1 != NULL && src1->nelem > 0)
return re_node_set_init_copy (dest, src1);
- else if (src2 != NULL && src2->nelem > 0)
+ if (src2 != NULL && src2->nelem > 0)
return re_node_set_init_copy (dest, src2);
- else
- re_node_set_init_empty (dest);
+ re_node_set_init_empty (dest);
return REG_NOERROR;
}
for (i1 = i2 = id = 0 ; i1 < src1->nelem && i2 < src2->nelem ;)
@@ -1197,8 +1193,7 @@ re_node_set_insert (re_node_set *set, int elem)
{
if (BE (re_node_set_init_1 (set, elem) == REG_NOERROR, 1))
return 1;
- else
- return -1;
+ return -1;
}
if (BE (set->nelem, 0) == 0)
@@ -1544,11 +1539,12 @@ create_ci_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
{
re_token_t *node = dfa->nodes + nodes->elems[i];
re_token_type_t type = node->type;
+
if (type == CHARACTER && !node->constraint)
continue;
#ifdef RE_ENABLE_I18N
newstate->accept_mb |= node->accept_mb;
-#endif /* RE_ENABLE_I18N */
+#endif
/* If the state has the halt node, the state is a halt state. */
if (type == END_OF_RE)
diff --git a/libc/misc/regex/regex_internal.h b/libc/misc/regex/regex_internal.h
index 7b95d2e38..85efe6655 100644
--- a/libc/misc/regex/regex_internal.h
+++ b/libc/misc/regex/regex_internal.h
@@ -27,66 +27,36 @@
#include <stdlib.h>
#include <string.h>
-#if defined HAVE_LANGINFO_H || defined HAVE_LANGINFO_CODESET || defined _LIBC
+#if defined HAVE_LANGINFO_H || defined HAVE_LANGINFO_CODESET
# include <langinfo.h>
#endif
-#if defined HAVE_LOCALE_H || defined _LIBC
+#if defined HAVE_LOCALE_H
# include <locale.h>
#endif
-#if defined HAVE_WCHAR_H || defined _LIBC
+#if defined HAVE_WCHAR_H
# include <wchar.h>
#endif
-#if defined HAVE_WCTYPE_H || defined _LIBC
+#if defined HAVE_WCTYPE_H
# include <wctype.h>
#endif
-#if defined HAVE_STDBOOL_H || defined _LIBC
+#if defined HAVE_STDBOOL_H
# include <stdbool.h>
#endif
-#if defined HAVE_STDINT_H || defined _LIBC
+#if defined HAVE_STDINT_H
# include <stdint.h>
#endif
-#if defined _LIBC
-# include <bits/libc-lock.h>
-#else
-# define __libc_lock_define(CLASS,NAME)
-# define __libc_lock_init(NAME) do { } while (0)
-# define __libc_lock_lock(NAME) do { } while (0)
-# define __libc_lock_unlock(NAME) do { } while (0)
-#endif
-/* In case that the system doesn't have isblank(). */
-#if !defined _LIBC && !defined HAVE_ISBLANK && !defined isblank && !defined __UCLIBC__
-# define isblank(ch) ((ch) == ' ' || (ch) == '\t')
-#endif
+#define __libc_lock_define(CLASS, NAME)
+#define __libc_lock_init(NAME) do { } while (0)
+#define __libc_lock_lock(NAME) do { } while (0)
+#define __libc_lock_unlock(NAME) do { } while (0)
-#if defined _LIBC && !defined __UCLIBC__
-# 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 && ENABLE_NLS) || defined _LIBC
-# include <libintl.h>
-# ifdef _LIBC
-# undef gettext
-# define gettext(msgid) \
- INTUSE(__dcgettext) (_libc_intl_domainname, msgid, LC_MESSAGES)
-# endif
-#else
-# define gettext(msgid) (msgid)
-#endif
+#undef gettext
+#undef gettext_noop
+#define gettext(msgid) (msgid)
+#define gettext_noop(String) String
-#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
+#if (defined MB_CUR_MAX && HAVE_LOCALE_H && HAVE_WCTYPE_H && HAVE_WCHAR_H && HAVE_WCRTOMB && HAVE_MBRTOWC && HAVE_WCSCOLL)
# define RE_ENABLE_I18N
#endif
@@ -108,15 +78,6 @@
#define NEWLINE_CHAR '\n'
#define WIDE_NEWLINE_CHAR L'\n'
-/* Rename to standard API for using out of glibc. */
-#if !defined _LIBC && !defined __UCLIBC__
-# define __wctype wctype
-# define __iswctype iswctype
-# define __btowc btowc
-# define __wcrtomb wcrtomb
-# define attribute_hidden
-#endif /* not _LIBC */
-
#ifdef __GNUC__
# define __attribute(arg) __attribute__ (arg)
#else
@@ -236,23 +197,23 @@ typedef struct
wchar_t *mbchars;
/* Collating symbols. */
-# ifdef _LIBC
+# if 0
int32_t *coll_syms;
# endif
/* Equivalence classes. */
-# ifdef _LIBC
+# if 0
int32_t *equiv_classes;
# endif
/* Range expressions. */
-# ifdef _LIBC
+# if 0
uint32_t *range_starts;
uint32_t *range_ends;
-# else /* not _LIBC */
+# else
wchar_t *range_starts;
wchar_t *range_ends;
-# endif /* not _LIBC */
+# endif
/* Character classes. */
wctype_t *char_classes;
@@ -399,7 +360,7 @@ static unsigned int re_string_context_at (const re_string_t *input, int idx,
#include <alloca.h>
-#ifndef _LIBC
+#if 1
# if HAVE_ALLOCA
/* The OS usually guarantees only one guard page at the bottom of the stack,
and a page size can be as small as 4096 bytes. So we cannot safely
@@ -544,11 +505,7 @@ typedef struct
{
/* The string object corresponding to the input string. */
re_string_t input;
-#if defined _LIBC || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
- const re_dfa_t *const dfa;
-#else
const re_dfa_t *dfa;
-#endif
/* EFLAGS of the argument of regexec. */
int eflags;
/* Where the matching ends. */
@@ -721,7 +678,7 @@ static int
internal_function __attribute ((pure))
re_string_elem_size_at (const re_string_t *pstr, int idx)
{
-# ifdef _LIBC
+# if 0
const unsigned char *p, *extra;
const int32_t *table, *indirect;
int32_t tmp;
@@ -739,7 +696,7 @@ re_string_elem_size_at (const re_string_t *pstr, int idx)
tmp = findidx (&p);
return p - pstr->mbs - idx;
}
-# endif /* _LIBC */
+# endif
return 1;
}
#endif /* RE_ENABLE_I18N */
diff --git a/libc/misc/regex/regexec.c b/libc/misc/regex/regexec.c
index 1e7e1c3b7..bdc7a29f3 100644
--- a/libc/misc/regex/regexec.c
+++ b/libc/misc/regex/regexec.c
@@ -185,11 +185,6 @@ static int build_trtable (const re_dfa_t *dfa,
static int check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
const re_string_t *input, int idx)
internal_function;
-# ifdef _LIBC
-static unsigned int find_collation_sequence_value (const unsigned char *mbs,
- size_t name_len)
- internal_function;
-# endif
#endif
static int group_nodes_into_DFAstates (const re_dfa_t *dfa,
const re_dfastate_t *state,
@@ -559,16 +554,14 @@ re_set_registers (bufp, regs, num_regs, starts, ends)
/* Entry points compatible with 4.2 BSD regex library. We don't define
them unless specifically requested. */
-#if defined _REGEX_RE_COMP || defined _LIBC || defined __UCLIBC__
+#if defined _REGEX_RE_COMP || defined __UCLIBC__
int
-# if defined _LIBC || defined __UCLIBC__
weak_function
-# endif
re_exec (const char *s)
{
return 0 == regexec (re_comp_buf, s, 0, NULL, 0);
}
-#endif /* _REGEX_RE_COMP */
+#endif
/* Internal entry point. */
@@ -596,19 +589,13 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch,
int fl_longest_match, match_first, match_kind, match_last = -1;
int extra_nmatch;
int sb, ch;
-#if defined _LIBC || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
- re_match_context_t mctx = { .dfa = dfa };
-#else
re_match_context_t mctx;
-#endif
char *fastmap = (preg->fastmap != NULL && preg->fastmap_accurate
&& range && !preg->can_be_null) ? preg->fastmap : NULL;
RE_TRANSLATE_TYPE t = preg->translate;
-#if !(defined _LIBC || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))
memset (&mctx, '\0', sizeof (re_match_context_t));
mctx.dfa = dfa;
-#endif
extra_nmatch = (nmatch > preg->re_nsub) ? nmatch - (preg->re_nsub + 1) : 0;
nmatch -= extra_nmatch;
@@ -3754,12 +3741,12 @@ check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
if (node->type == COMPLEX_BRACKET)
{
const re_charset_t *cset = node->opr.mbcset;
-# ifdef _LIBC
+# if 0
const unsigned char *pin
= ((const unsigned char *) re_string_get_buffer (input) + str_idx);
int j;
uint32_t nrules;
-# endif /* _LIBC */
+# endif
int match_len = 0;
wchar_t wc = ((cset->nranges || cset->nchar_classes || cset->nmbchars)
? re_string_wchar_at (input, str_idx) : 0);
@@ -3782,7 +3769,7 @@ check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
}
}
-# ifdef _LIBC
+# if 0
nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
if (nrules != 0)
{
@@ -3871,15 +3858,13 @@ check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
}
}
else
-# endif /* _LIBC */
+# endif
{
/* match with range expression? */
-#if __GNUC__ >= 2
- wchar_t cmp_buf[] = {L'\0', L'\0', wc, L'\0', L'\0', L'\0'};
-#else
- wchar_t cmp_buf[] = {L'\0', L'\0', L'\0', L'\0', L'\0', L'\0'};
+ wchar_t cmp_buf[6];
+
+ memset (cmp_buf, 0, sizeof(cmp_buf));
cmp_buf[2] = wc;
-#endif
for (i = 0; i < cset->nranges; ++i)
{
cmp_buf[0] = cset->range_starts[i];
@@ -3892,21 +3877,18 @@ check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
}
}
}
- check_node_accept_bytes_match:
+
+ check_node_accept_bytes_match:
if (!cset->non_match)
return match_len;
- else
- {
- if (match_len > 0)
- return 0;
- else
- return (elem_len > char_len) ? elem_len : char_len;
- }
+ if (match_len > 0)
+ return 0;
+ return (elem_len > char_len) ? elem_len : char_len;
}
return 0;
}
-# ifdef _LIBC
+# if 0
static unsigned int
internal_function
find_collation_sequence_value (const unsigned char *mbs, size_t mbs_len)
@@ -3964,7 +3946,7 @@ find_collation_sequence_value (const unsigned char *mbs, size_t mbs_len)
return UINT_MAX;
}
}
-# endif /* _LIBC */
+# endif
#endif /* RE_ENABLE_I18N */
/* Check whether the node accepts the byte which is IDX-th