diff options
Diffstat (limited to 'regex_internal.c')
| -rw-r--r-- | regex_internal.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/regex_internal.c b/regex_internal.c index 5f77bcb0..056cff3d 100644 --- a/regex_internal.c +++ b/regex_internal.c @@ -1,5 +1,5 @@ /* Extended regular expression matching and search library. - Copyright (C) 2002-2013 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>. @@ -320,12 +320,11 @@ build_wcs_upper_buffer (re_string_t *pstr) + byte_idx), remain_len, &pstr->cur_state); if (BE (mbclen + 2 > 2, 1)) { - wchar_t wcu = wc; - if (iswlower (wc)) + wchar_t wcu = towupper (wc); + if (wcu != wc) { size_t mbcdlen; - wcu = towupper (wc); mbcdlen = wcrtomb (buf, wcu, &prev_st); if (BE (mbclen == mbcdlen, 1)) memcpy (pstr->mbs + byte_idx, buf, mbclen); @@ -390,12 +389,11 @@ build_wcs_upper_buffer (re_string_t *pstr) mbclen = __mbrtowc (&wc, p, remain_len, &pstr->cur_state); if (BE (mbclen + 2 > 2, 1)) { - wchar_t wcu = wc; - if (iswlower (wc)) + wchar_t wcu = towupper (wc); + if (wcu != wc) { size_t mbcdlen; - wcu = towupper (wc); mbcdlen = wcrtomb ((char *) buf, wcu, &prev_st); if (BE (mbclen == mbcdlen, 1)) memcpy (pstr->mbs + byte_idx, buf, mbclen); @@ -547,10 +545,7 @@ build_upper_buffer (re_string_t *pstr) int ch = pstr->raw_mbs[pstr->raw_mbs_idx + char_idx]; if (BE (pstr->trans != NULL, 0)) ch = pstr->trans[ch]; - if (islower (ch)) - pstr->mbs[char_idx] = toupper (ch); - else - pstr->mbs[char_idx] = ch; + pstr->mbs[char_idx] = toupper (ch); } pstr->valid_len = char_idx; pstr->valid_raw_len = char_idx; @@ -1451,7 +1446,18 @@ re_dfa_add_node (re_dfa_t *dfa, re_token_t token) new_eclosures = re_realloc (dfa->eclosures, re_node_set, new_nodes_alloc); if (BE (new_nexts == NULL || new_indices == NULL || new_edests == NULL || new_eclosures == NULL, 0)) - return -1; + { + /* if any are not NULL, free them, avoid leaks */ + if (new_nexts != NULL) + re_free(new_nexts); + if (new_indices != NULL) + re_free(new_indices); + if (new_edests != NULL) + re_free(new_edests); + if (new_eclosures != NULL) + re_free(new_eclosures); + return -1; + } dfa->nexts = new_nexts; dfa->org_indices = new_indices; dfa->edests = new_edests; |