aboutsummaryrefslogtreecommitdiff
path: root/src/backend/regex/regc_lex.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/backend/regex/regc_lex.c')
-rw-r--r--src/backend/regex/regc_lex.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/regex/regc_lex.c b/src/backend/regex/regc_lex.c
index 18dff7ec34d..22878efa5cd 100644
--- a/src/backend/regex/regc_lex.c
+++ b/src/backend/regex/regc_lex.c
@@ -28,7 +28,7 @@
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
- * $Header: /cvsroot/pgsql/src/backend/regex/regc_lex.c,v 1.3 2003/08/08 21:41:56 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/regex/regc_lex.c,v 1.3.4.1 2008/01/03 20:49:15 tgl Exp $
*
*/
@@ -849,7 +849,7 @@ lexescape(struct vars * v)
if (ISERR())
FAILW(REG_EESCAPE);
/* ugly heuristic (first test is "exactly 1 digit?") */
- if (v->now - save == 0 || (int) c <= v->nsubexp)
+ if (v->now - save == 0 || ((int) c > 0 && (int) c <= v->nsubexp))
{
NOTE(REG_UBACKREF);
RETV(BACKREF, (chr) c);