diff options
Diffstat (limited to 'posix/regex_internal.c')
| -rw-r--r-- | posix/regex_internal.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/posix/regex_internal.c b/posix/regex_internal.c index 779d0b7334..b3d44c368d 100644 --- a/posix/regex_internal.c +++ b/posix/regex_internal.c @@ -220,7 +220,8 @@ build_wcs_buffer (pstr) unsigned char buf[64]; #endif mbstate_t prev_st; - int byte_idx, end_idx, mbclen, remain_len; + int byte_idx, end_idx, remain_len; + size_t mbclen; /* Build the buffers from pstr->valid_len to either pstr->len or pstr->bufs_len. */ @@ -281,7 +282,8 @@ build_wcs_upper_buffer (pstr) re_string_t *pstr; { mbstate_t prev_st; - int src_idx, byte_idx, end_idx, mbclen, remain_len; + int src_idx, byte_idx, end_idx, remain_len; + size_t mbclen; #ifdef _LIBC char buf[MB_CUR_MAX]; assert (MB_CUR_MAX >= pstr->mb_cur_max); @@ -318,12 +320,12 @@ build_wcs_upper_buffer (pstr) mbclen = mbrtowc (&wc, ((const char *) pstr->raw_mbs + pstr->raw_mbs_idx + byte_idx), remain_len, &pstr->cur_state); - if (BE (mbclen > 0, 1)) + if (BE (mbclen + 2 > 2, 1)) { wchar_t wcu = wc; if (iswlower (wc)) { - int mbcdlen; + size_t mbcdlen; wcu = towupper (wc); mbcdlen = wcrtomb (buf, wcu, &prev_st); @@ -386,20 +388,20 @@ build_wcs_upper_buffer (pstr) else p = (const char *) pstr->raw_mbs + pstr->raw_mbs_idx + src_idx; mbclen = mbrtowc (&wc, p, remain_len, &pstr->cur_state); - if (BE (mbclen > 0, 1)) + if (BE (mbclen + 2 > 2, 1)) { wchar_t wcu = wc; if (iswlower (wc)) { - int mbcdlen; + 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); - else + else if (mbcdlen != (size_t) -1) { - int i; + size_t i; if (byte_idx + mbcdlen > pstr->bufs_len) { @@ -416,7 +418,7 @@ build_wcs_upper_buffer (pstr) } if (!pstr->offsets_needed) { - for (i = 0; i < byte_idx; ++i) + for (i = 0; i < (size_t) byte_idx; ++i) pstr->offsets[i] = i; pstr->offsets_needed = 1; } @@ -439,13 +441,15 @@ build_wcs_upper_buffer (pstr) src_idx += mbclen; continue; } + else + memcpy (pstr->mbs + byte_idx, p, mbclen); } else memcpy (pstr->mbs + byte_idx, p, mbclen); if (BE (pstr->offsets_needed != 0, 0)) { - int i; + size_t i; for (i = 0; i < mbclen; ++i) pstr->offsets[byte_idx + i] = src_idx + i; } @@ -496,7 +500,8 @@ re_string_skip_chars (pstr, new_raw_idx, last_wc) wint_t *last_wc; { mbstate_t prev_st; - int rawbuf_idx, mbclen; + int rawbuf_idx; + size_t mbclen; wchar_t wc = 0; /* Skip the characters which are not necessary to check. */ |