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-rw-r--r--lib/regex_internal.c64
1 files changed, 11 insertions, 53 deletions
diff --git a/lib/regex_internal.c b/lib/regex_internal.c
index aefcfa2..998a19b 100644
--- a/lib/regex_internal.c
+++ b/lib/regex_internal.c
@@ -1,5 +1,5 @@
/* Extended regular expression matching and search library.
- Copyright (C) 2002-2021 Free Software Foundation, Inc.
+ Copyright (C) 2002-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
@@ -30,10 +30,8 @@ static re_dfastate_t *create_cd_newstate (const re_dfa_t *dfa,
re_hashval_t hash);
static reg_errcode_t re_string_realloc_buffers (re_string_t *pstr,
Idx new_buf_len);
-#ifdef RE_ENABLE_I18N
static void build_wcs_buffer (re_string_t *pstr);
static reg_errcode_t 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 unsigned int re_string_context_at (const re_string_t *input, Idx idx,
@@ -91,7 +89,6 @@ re_string_construct (re_string_t *pstr, const char *str, Idx len,
if (icase)
{
-#ifdef RE_ENABLE_I18N
if (dfa->mb_cur_max > 1)
{
while (1)
@@ -109,16 +106,13 @@ re_string_construct (re_string_t *pstr, const char *str, Idx len,
}
}
else
-#endif /* RE_ENABLE_I18N */
build_upper_buffer (pstr);
}
else
{
-#ifdef RE_ENABLE_I18N
if (dfa->mb_cur_max > 1)
build_wcs_buffer (pstr);
else
-#endif /* RE_ENABLE_I18N */
{
if (trans != NULL)
re_string_translate_buffer (pstr);
@@ -139,7 +133,6 @@ static reg_errcode_t
__attribute_warn_unused_result__
re_string_realloc_buffers (re_string_t *pstr, Idx new_buf_len)
{
-#ifdef RE_ENABLE_I18N
if (pstr->mb_cur_max > 1)
{
wint_t *new_wcs;
@@ -162,7 +155,6 @@ re_string_realloc_buffers (re_string_t *pstr, Idx new_buf_len)
pstr->offsets = new_offsets;
}
}
-#endif /* RE_ENABLE_I18N */
if (pstr->mbs_allocated)
{
unsigned char *new_mbs = re_realloc (pstr->mbs, unsigned char,
@@ -194,7 +186,6 @@ re_string_construct_common (const char *str, Idx len, re_string_t *pstr,
pstr->raw_stop = pstr->stop;
}
-#ifdef RE_ENABLE_I18N
/* Build wide character buffer PSTR->WCS.
If the byte sequence of the string are:
@@ -530,7 +521,6 @@ re_string_skip_chars (re_string_t *pstr, Idx new_raw_idx, wint_t *last_wc)
*last_wc = wc;
return rawbuf_idx;
}
-#endif /* RE_ENABLE_I18N */
/* Build the buffer PSTR->MBS, and apply the translation if we need.
This function is used in case of REG_ICASE. */
@@ -585,10 +575,8 @@ re_string_reconstruct (re_string_t *pstr, Idx idx, int eflags)
else
{
/* Reset buffer. */
-#ifdef RE_ENABLE_I18N
if (pstr->mb_cur_max > 1)
memset (&pstr->cur_state, '\0', sizeof (mbstate_t));
-#endif /* RE_ENABLE_I18N */
pstr->len = pstr->raw_len;
pstr->stop = pstr->raw_stop;
pstr->valid_len = 0;
@@ -608,7 +596,6 @@ re_string_reconstruct (re_string_t *pstr, Idx idx, int eflags)
if (__glibc_likely (offset < pstr->valid_raw_len))
{
/* Yes, move them to the front of the buffer. */
-#ifdef RE_ENABLE_I18N
if (__glibc_unlikely (pstr->offsets_needed))
{
Idx low = 0, high = pstr->valid_len, mid;
@@ -672,15 +659,12 @@ re_string_reconstruct (re_string_t *pstr, Idx idx, int eflags)
}
}
else
-#endif
{
pstr->tip_context = re_string_context_at (pstr, offset - 1,
eflags);
-#ifdef RE_ENABLE_I18N
if (pstr->mb_cur_max > 1)
memmove (pstr->wcs, pstr->wcs + offset,
(pstr->valid_len - offset) * sizeof (wint_t));
-#endif /* RE_ENABLE_I18N */
if (__glibc_unlikely (pstr->mbs_allocated))
memmove (pstr->mbs, pstr->mbs + offset,
pstr->valid_len - offset);
@@ -691,7 +675,6 @@ re_string_reconstruct (re_string_t *pstr, Idx idx, int eflags)
}
else
{
-#ifdef RE_ENABLE_I18N
/* No, skip all characters until IDX. */
Idx prev_valid_len = pstr->valid_len;
@@ -701,9 +684,7 @@ re_string_reconstruct (re_string_t *pstr, Idx idx, int eflags)
pstr->stop = pstr->raw_stop - idx + offset;
pstr->offsets_needed = 0;
}
-#endif
pstr->valid_len = 0;
-#ifdef RE_ENABLE_I18N
if (pstr->mb_cur_max > 1)
{
Idx wcs_idx;
@@ -787,7 +768,6 @@ re_string_reconstruct (re_string_t *pstr, Idx idx, int eflags)
pstr->valid_raw_len = pstr->valid_len;
}
else
-#endif /* RE_ENABLE_I18N */
{
int c = pstr->raw_mbs[pstr->raw_mbs_idx + offset - 1];
pstr->valid_raw_len = 0;
@@ -807,7 +787,6 @@ re_string_reconstruct (re_string_t *pstr, Idx idx, int eflags)
pstr->stop -= offset;
/* Then build the buffers. */
-#ifdef RE_ENABLE_I18N
if (pstr->mb_cur_max > 1)
{
if (pstr->icase)
@@ -820,7 +799,6 @@ re_string_reconstruct (re_string_t *pstr, Idx idx, int eflags)
build_wcs_buffer (pstr);
}
else
-#endif /* RE_ENABLE_I18N */
if (__glibc_unlikely (pstr->mbs_allocated))
{
if (pstr->icase)
@@ -846,28 +824,22 @@ re_string_peek_byte_case (const re_string_t *pstr, Idx idx)
if (__glibc_likely (!pstr->mbs_allocated))
return re_string_peek_byte (pstr, idx);
-#ifdef RE_ENABLE_I18N
if (pstr->mb_cur_max > 1
&& ! re_string_is_single_byte_char (pstr, pstr->cur_idx + idx))
return re_string_peek_byte (pstr, idx);
-#endif
off = pstr->cur_idx + idx;
-#ifdef RE_ENABLE_I18N
if (pstr->offsets_needed)
off = pstr->offsets[off];
-#endif
ch = pstr->raw_mbs[pstr->raw_mbs_idx + off];
-#ifdef RE_ENABLE_I18N
/* Ensure that e.g. for tr_TR.UTF-8 BACKSLASH DOTLESS SMALL LETTER I
this function returns CAPITAL LETTER I instead of first byte of
DOTLESS SMALL LETTER I. The latter would confuse the parser,
since peek_byte_case doesn't advance cur_idx in any way. */
if (pstr->offsets_needed && !isascii (ch))
return re_string_peek_byte (pstr, idx);
-#endif
return ch;
}
@@ -878,7 +850,6 @@ re_string_fetch_byte_case (re_string_t *pstr)
if (__glibc_likely (!pstr->mbs_allocated))
return re_string_fetch_byte (pstr);
-#ifdef RE_ENABLE_I18N
if (pstr->offsets_needed)
{
Idx off;
@@ -904,7 +875,6 @@ re_string_fetch_byte_case (re_string_t *pstr)
re_string_char_size_at (pstr, pstr->cur_idx));
return ch;
}
-#endif
return pstr->raw_mbs[pstr->raw_mbs_idx + pstr->cur_idx++];
}
@@ -912,10 +882,8 @@ re_string_fetch_byte_case (re_string_t *pstr)
static void
re_string_destruct (re_string_t *pstr)
{
-#ifdef RE_ENABLE_I18N
re_free (pstr->wcs);
re_free (pstr->offsets);
-#endif /* RE_ENABLE_I18N */
if (pstr->mbs_allocated)
re_free (pstr->mbs);
}
@@ -933,7 +901,6 @@ re_string_context_at (const re_string_t *input, Idx idx, int eflags)
if (__glibc_unlikely (idx == input->len))
return ((eflags & REG_NOTEOL) ? CONTEXT_ENDBUF
: CONTEXT_NEWLINE | CONTEXT_ENDBUF);
-#ifdef RE_ENABLE_I18N
if (input->mb_cur_max > 1)
{
wint_t wc;
@@ -953,7 +920,6 @@ re_string_context_at (const re_string_t *input, Idx idx, int eflags)
? CONTEXT_NEWLINE : 0);
}
else
-#endif
{
c = re_string_byte_at (input, idx);
if (bitset_contain (input->word_char, c))
@@ -1430,32 +1396,28 @@ re_dfa_add_node (re_dfa_t *dfa, re_token_t token)
if (__glibc_unlikely (new_nodes == NULL))
return -1;
dfa->nodes = new_nodes;
+ dfa->nodes_alloc = new_nodes_alloc;
new_nexts = re_realloc (dfa->nexts, Idx, new_nodes_alloc);
+ if (new_nexts != NULL)
+ dfa->nexts = new_nexts;
new_indices = re_realloc (dfa->org_indices, Idx, new_nodes_alloc);
+ if (new_indices != NULL)
+ dfa->org_indices = new_indices;
new_edests = re_realloc (dfa->edests, re_node_set, new_nodes_alloc);
+ if (new_edests != NULL)
+ dfa->edests = new_edests;
new_eclosures = re_realloc (dfa->eclosures, re_node_set, new_nodes_alloc);
+ if (new_eclosures != NULL)
+ dfa->eclosures = new_eclosures;
if (__glibc_unlikely (new_nexts == NULL || new_indices == NULL
|| new_edests == NULL || new_eclosures == NULL))
- {
- re_free (new_nexts);
- re_free (new_indices);
- re_free (new_edests);
- re_free (new_eclosures);
- return -1;
- }
- dfa->nexts = new_nexts;
- dfa->org_indices = new_indices;
- dfa->edests = new_edests;
- dfa->eclosures = new_eclosures;
- dfa->nodes_alloc = new_nodes_alloc;
+ return -1;
}
dfa->nodes[dfa->nodes_len] = token;
dfa->nodes[dfa->nodes_len].constraint = 0;
-#ifdef RE_ENABLE_I18N
dfa->nodes[dfa->nodes_len].accept_mb =
((token.type == OP_PERIOD && dfa->mb_cur_max > 1)
|| token.type == COMPLEX_BRACKET);
-#endif
dfa->nexts[dfa->nodes_len] = -1;
re_node_set_init_empty (dfa->edests + dfa->nodes_len);
re_node_set_init_empty (dfa->eclosures + dfa->nodes_len);
@@ -1651,9 +1613,7 @@ create_ci_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
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 */
/* If the state has the halt node, the state is a halt state. */
if (type == END_OF_RE)
@@ -1705,9 +1665,7 @@ create_cd_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
if (type == CHARACTER && !constraint)
continue;
-#ifdef RE_ENABLE_I18N
newstate->accept_mb |= node->accept_mb;
-#endif /* RE_ENABLE_I18N */
/* If the state has the halt node, the state is a halt state. */
if (type == END_OF_RE)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 20:00:39 +0000