diff options
author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2020-01-16 11:25:43 +0900 |
---|---|---|
committer | NARUSE, Yui <naruse@airemix.jp> | 2020-01-16 15:26:28 +0900 |
commit | db4d136889afbf59e69efcfd495fd91cd401f378 (patch) | |
tree | 671483d357c34c6a5aad0fb089832a8bd6787a0d /re.c | |
parent | 8e8841f6bf58031a1fe5b0dbacb5a1fb442102df (diff) |
`Regexp` in `MatchData` can be `nil`
`String#sub` with a string pattern defers creating a `Regexp`
until `MatchData#regexp` creates a `Regexp` from the matched
string. `Regexp#last_match(group_name)` accessed its content
without creating the `Regexp` though. [Bug #16508]
Diffstat (limited to 're.c')
-rw-r--r-- | re.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -1905,6 +1905,7 @@ match_captures(VALUE match) static int name_to_backref_number(struct re_registers *regs, VALUE regexp, const char* name, const char* name_end) { + if (NIL_P(regexp)) return -1; return onig_name_to_backref_number(RREGEXP_PTR(regexp), (const unsigned char *)name, (const unsigned char *)name_end, regs); } |