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| author | Ulrich Drepper <drepper@redhat.com> | 2003-11-13 09:54:39 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-11-13 09:54:39 +0000 |
| commit | c34bfc8d37680f001ee1baa95ab9e0323adc5819 (patch) | |
| tree | fed7021775649396e0d24ff728d13ba1296d76c3 /posix/regcomp.c | |
| parent | f6953f16bb49383a162560662778a377e4501039 (diff) | |
| download | glibc-c34bfc8d37680f001ee1baa95ab9e0323adc5819.zip glibc-c34bfc8d37680f001ee1baa95ab9e0323adc5819.tar.gz glibc-c34bfc8d37680f001ee1baa95ab9e0323adc5819.tar.bz2 | |
Update.
2003-11-13 Ulrich Drepper <drepper@redhat.com>
* posix/regcomp.c (parse_expression): In BRE consecutive
duplications are not allowed.
Diffstat (limited to 'posix/regcomp.c')
| -rw-r--r-- | posix/regcomp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/posix/regcomp.c b/posix/regcomp.c index 531ec94..9a48aa3 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; } |