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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2002-06-14 06:27:18 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2002-06-14 06:27:18 +0000 |
commit | 37f6a5e0244f69b5d56816281dc741ca1f55f31f (patch) | |
tree | ae0eb24b0439ea1352e7cbafea23d5994ee14519 /parse.y | |
parent | c96ecf9fa47ed5690d24d3185ea34615f469d747 (diff) |
* parse.y (read_escape): deny zero-width hexadecimal character.
(ruby-bugs-ja:PR#260)
* parse.y (tokadd_escape): ditto.
* regex.c (re_compile_pattern): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@2568 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -2292,6 +2292,10 @@ read_escape() int numlen; c = scan_hex(lex_p, 2, &numlen); + if (numlen == 0) { + yyerror("Invalid escape character syntax"); + return 0; + } lex_p += numlen; } return c; @@ -2377,6 +2381,10 @@ tokadd_escape(term) tokadd('\\'); tokadd(c); scan_hex(lex_p, 2, &numlen); + if (numlen == 0) { + yyerror("Invalid escape character syntax"); + return -1; + } while (numlen--) tokadd(nextc()); } |