diff options
Diffstat (limited to 'posix/regexec.c')
| -rw-r--r-- | posix/regexec.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/posix/regexec.c b/posix/regexec.c index 83e9aaf8ca..6aeba3c0b4 100644 --- a/posix/regexec.c +++ b/posix/regexec.c @@ -758,10 +758,9 @@ re_search_internal (const regex_t *preg, const char *string, Idx length, offset = match_first - mctx.input.raw_mbs_idx; } - /* If MATCH_FIRST is out of the buffer, leave it as '\0'. - Note that MATCH_FIRST must not be smaller than 0. */ - ch = (match_first >= length - ? 0 : re_string_byte_at (&mctx.input, offset)); + /* Use buffer byte if OFFSET is in buffer, otherwise '\0'. */ + ch = (offset < mctx.input.valid_len + ? re_string_byte_at (&mctx.input, offset) : 0); if (fastmap[ch]) break; match_first += incr; |