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-rw-r--r--src/select/select.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/select/select.c b/src/select/select.c
index e2b55ee..ca50107 100644
--- a/src/select/select.c
+++ b/src/select/select.c
@@ -300,7 +300,9 @@ css_error css_select_style(css_select_ctx *ctx, void *node,
css_select_state state;
void *parent = NULL;
- if (ctx == NULL || node == NULL || result == NULL || handler == NULL)
+ if (ctx == NULL || node == NULL || result == NULL || handler == NULL ||
+ handler->handler_version !=
+ CSS_SELECT_HANDLER_VERSION_1)
return CSS_BADPARM;
/* Set up the selection state */