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Diffstat (limited to 'posix/regex_internal.c')
-rw-r--r--posix/regex_internal.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/posix/regex_internal.c b/posix/regex_internal.c
index 855497ebf1..ac312db0cd 100644
--- a/posix/regex_internal.c
+++ b/posix/regex_internal.c
@@ -482,7 +482,7 @@ re_string_skip_chars (re_string_t *pstr, int new_raw_idx, wint_t *last_wc)
mbstate_t prev_st;
int rawbuf_idx;
size_t mbclen;
- wchar_t wc = 0;
+ wchar_t wc = WEOF;
/* Skip the characters which are not necessary to check. */
for (rawbuf_idx = pstr->raw_mbs_idx + pstr->valid_raw_len;
@@ -495,7 +495,11 @@ re_string_skip_chars (re_string_t *pstr, int new_raw_idx, wint_t *last_wc)
remain_len, &pstr->cur_state);
if (BE (mbclen == (size_t) -2 || mbclen == (size_t) -1 || mbclen == 0, 0))
{
- /* We treat these cases as a singlebyte character. */
+ /* We treat these cases as a single byte character. */
+ if (mbclen == 0 || remain_len == 0)
+ wc = L'\0';
+ else
+ wc = *(unsigned char *) (pstr->raw_mbs + rawbuf_idx);
mbclen = 1;
pstr->cur_state = prev_st;
}
@@ -618,7 +622,6 @@ re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
}
#endif
pstr->valid_len = 0;
- pstr->valid_raw_len = 0;
#ifdef RE_ENABLE_I18N
if (pstr->mb_cur_max > 1)
{
@@ -681,6 +684,16 @@ re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
if (wc == WEOF)
pstr->valid_len = re_string_skip_chars (pstr, idx, &wc) - idx;
+ if (wc == WEOF)
+ pstr->tip_context
+ = re_string_context_at (pstr, pstr->valid_raw_len - 1, eflags);
+ else
+ pstr->tip_context = ((BE (pstr->word_ops_used != 0, 0)
+ && IS_WIDE_WORD_CHAR (wc))
+ ? CONTEXT_WORD
+ : ((IS_WIDE_NEWLINE (wc)
+ && pstr->newline_anchor)
+ ? CONTEXT_NEWLINE : 0));
if (BE (pstr->valid_len, 0))
{
for (wcs_idx = 0; wcs_idx < pstr->valid_len; ++wcs_idx)
@@ -689,17 +702,12 @@ re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
memset (pstr->mbs, 255, pstr->valid_len);
}
pstr->valid_raw_len = pstr->valid_len;
- pstr->tip_context = ((BE (pstr->word_ops_used != 0, 0)
- && IS_WIDE_WORD_CHAR (wc))
- ? CONTEXT_WORD
- : ((IS_WIDE_NEWLINE (wc)
- && pstr->newline_anchor)
- ? CONTEXT_NEWLINE : 0));
}
else
#endif /* RE_ENABLE_I18N */
{
int c = pstr->raw_mbs[pstr->raw_mbs_idx + offset - 1];
+ pstr->valid_raw_len = 0;
if (pstr->trans)
c = pstr->trans[c];
pstr->tip_context = (bitset_contain (pstr->word_char, c)