diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | posix/regcomp.c | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 1cc7df9921..8661ab0368 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2003-11-13 Ulrich Drepper <drepper@redhat.com> + + * posix/regcomp.c (parse_expression): In BRE consecutive + duplications are not allowed. + 2003-11-12 Ulrich Drepper <drepper@redhat.com> * posix/regcomp.c (parse_bracket_exp): If end of expression is diff --git a/posix/regcomp.c b/posix/regcomp.c index 531ec94f75..9a48aa3f3b 100644 --- a/posix/regcomp.c +++ b/posix/regcomp.c @@ -2233,6 +2233,14 @@ parse_expression (regexp, preg, token, syntax, nest, err) tree = parse_dup_op (tree, regexp, dfa, token, syntax, err); if (BE (*err != REG_NOERROR && tree == NULL, 0)) return NULL; + /* In BRE consecutive duplications are not allowed. */ + if ((syntax & RE_CONTEXT_INVALID_DUP) + && (token->type == OP_DUP_ASTERISK + || token->type == OP_OPEN_DUP_NUM)) + { + *err = REG_BADRPT; + return NULL; + } dfa->has_plural_match = 1; } |