diff options
Diffstat (limited to 'src/evaluate.c')
| -rw-r--r-- | src/evaluate.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/evaluate.c b/src/evaluate.c index a268b3cb..fd7818da 100644 --- a/src/evaluate.c +++ b/src/evaluate.c @@ -2187,7 +2187,16 @@ static int expr_evaluate_osf(struct eval_ctx *ctx, struct expr **expr) static int expr_evaluate_variable(struct eval_ctx *ctx, struct expr **exprp) { - struct expr *new = expr_clone((*exprp)->sym->expr); + struct symbol *sym = (*exprp)->sym; + struct expr *new; + + /* If variable is reused from different locations in the ruleset, then + * clone expression. + */ + if (sym->refcnt > 2) + new = expr_clone(sym->expr); + else + new = expr_get(sym->expr); if (expr_evaluate(ctx, &new) < 0) { expr_free(new); |