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Diffstat (limited to 'lib/regcomp.c')
-rw-r--r--lib/regcomp.c44
1 files changed, 11 insertions, 33 deletions
diff --git a/lib/regcomp.c b/lib/regcomp.c
index 4cbb1b2b9..56faf11c4 100644
--- a/lib/regcomp.c
+++ b/lib/regcomp.c
@@ -1,5 +1,5 @@
/* Extended regular expression matching and search library.
- Copyright (C) 2002-2015 Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
@@ -17,10 +17,6 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#ifdef _LIBC
-# include <locale/weight.h>
-#endif
-
static reg_errcode_t re_compile_internal (regex_t *preg, const char * pattern,
size_t length, reg_syntax_t syntax);
static void re_compile_fastmap_iter (regex_t *bufp,
@@ -339,7 +335,7 @@ re_compile_fastmap_iter (regex_t *bufp, const re_dfastate_t *init_state,
memset (&state, '\0', sizeof (state));
if (__mbrtowc (&wc, (const char *) buf, p - buf,
&state) == p - buf
- && (__wcrtomb ((char *) buf, __towlower (wc), &state)
+ && (__wcrtomb ((char *) buf, towlower (wc), &state)
!= (size_t) -1))
re_set_fastmap (fastmap, false, buf[0]);
}
@@ -415,7 +411,7 @@ re_compile_fastmap_iter (regex_t *bufp, const re_dfastate_t *init_state,
re_set_fastmap (fastmap, icase, *(unsigned char *) buf);
if ((bufp->syntax & RE_ICASE) && dfa->mb_cur_max > 1)
{
- if (__wcrtomb (buf, __towlower (cset->mbchars[i]), &state)
+ if (__wcrtomb (buf, towlower (cset->mbchars[i]), &state)
!= (size_t) -1)
re_set_fastmap (fastmap, false, *(unsigned char *) buf);
}
@@ -2191,7 +2187,6 @@ parse_reg_exp (re_string_t *regexp, regex_t *preg, re_token_t *token,
{
re_dfa_t *dfa = preg->buffer;
bin_tree_t *tree, *branch = NULL;
- bitset_word_t initial_bkref_map = dfa->completed_bkref_map;
tree = parse_branch (regexp, preg, token, syntax, nest, err);
if (BE (*err != REG_NOERROR && tree == NULL, 0))
return NULL;
@@ -2202,16 +2197,9 @@ parse_reg_exp (re_string_t *regexp, regex_t *preg, re_token_t *token,
if (token->type != OP_ALT && token->type != END_OF_RE
&& (nest == 0 || token->type != OP_CLOSE_SUBEXP))
{
- bitset_word_t accumulated_bkref_map = dfa->completed_bkref_map;
- dfa->completed_bkref_map = initial_bkref_map;
branch = parse_branch (regexp, preg, token, syntax, nest, err);
if (BE (*err != REG_NOERROR && branch == NULL, 0))
- {
- if (tree != NULL)
- postorder (tree, free_tree, NULL);
- return NULL;
- }
- dfa->completed_bkref_map |= accumulated_bkref_map;
+ return NULL;
}
else
branch = NULL;
@@ -2472,22 +2460,14 @@ parse_expression (re_string_t *regexp, regex_t *preg, re_token_t *token,
while (token->type == OP_DUP_ASTERISK || token->type == OP_DUP_PLUS
|| token->type == OP_DUP_QUESTION || token->type == OP_OPEN_DUP_NUM)
{
- bin_tree_t *dup_tree = parse_dup_op (tree, regexp, dfa, token,
- syntax, err);
- if (BE (*err != REG_NOERROR && dup_tree == NULL, 0))
- {
- if (tree != NULL)
- postorder (tree, free_tree, NULL);
- return NULL;
- }
- tree = dup_tree;
+ tree = parse_dup_op (tree, regexp, dfa, token, syntax, err);
+ if (BE (*err != REG_NOERROR && tree == NULL, 0))
+ return NULL;
/* In BRE consecutive duplications are not allowed. */
if ((syntax & RE_CONTEXT_INVALID_DUP)
&& (token->type == OP_DUP_ASTERISK
|| token->type == OP_OPEN_DUP_NUM))
{
- if (tree != NULL)
- postorder (tree, free_tree, NULL);
*err = REG_BADRPT;
return NULL;
}
@@ -2643,8 +2623,6 @@ parse_dup_op (bin_tree_t *elem, re_string_t *regexp, re_dfa_t *dfa,
/* Duplicate ELEM before it is marked optional. */
elem = duplicate_tree (elem, dfa);
- if (BE (elem == NULL, 0))
- goto parse_dup_op_espace;
old_tree = tree;
}
else
@@ -3183,7 +3161,6 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
re_token_t token2;
start_elem.opr.name = start_name_buf;
- start_elem.type = COLL_SYM;
ret = parse_bracket_element (&start_elem, regexp, token, token_len, dfa,
syntax, first_round);
if (BE (ret != REG_NOERROR, 0))
@@ -3227,7 +3204,6 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
if (is_range_exp == true)
{
end_elem.opr.name = end_name_buf;
- end_elem.type = COLL_SYM;
ret = parse_bracket_element (&end_elem, regexp, &token2, token_len2,
dfa, syntax, true);
if (BE (ret != REG_NOERROR, 0))
@@ -3502,6 +3478,8 @@ build_equiv_class (bitset_t sbcset, const unsigned char *name)
int32_t idx1, idx2;
unsigned int ch;
size_t len;
+ /* This #include defines a local function! */
+# include <locale/weight.h>
/* Calculate the index for equivalence class. */
cp = name;
table = (const int32_t *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
@@ -3511,7 +3489,7 @@ build_equiv_class (bitset_t sbcset, const unsigned char *name)
_NL_COLLATE_EXTRAMB);
indirect = (const int32_t *) _NL_CURRENT (LC_COLLATE,
_NL_COLLATE_INDIRECTMB);
- idx1 = findidx (table, indirect, extra, &cp, -1);
+ idx1 = findidx (&cp, -1);
if (BE (idx1 == 0 || *cp != '\0', 0))
/* This isn't a valid character. */
return REG_ECOLLATE;
@@ -3522,7 +3500,7 @@ build_equiv_class (bitset_t sbcset, const unsigned char *name)
{
char_buf[0] = ch;
cp = char_buf;
- idx2 = findidx (table, indirect, extra, &cp, 1);
+ idx2 = findidx (&cp, 1);
/*
idx2 = table[ch];
*/