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changeset 426:652eee8f0c82
Fixed lw_expr_destroy() to not crash on NULL
| author | lost@l-w.ca |
|---|---|
| date | Sun, 19 Sep 2010 10:40:37 -0600 |
| parents | 7c0598f69cf3 |
| children | 0f2d9a943e96 |
| files | lwlib/lw_expr.c |
| diffstat | 1 files changed, 2 insertions(+), 0 deletions(-) [+] |
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--- a/lwlib/lw_expr.c Fri Aug 13 18:51:12 2010 -0600 +++ b/lwlib/lw_expr.c Sun Sep 19 10:40:37 2010 -0600 @@ -91,6 +91,8 @@ void lw_expr_destroy(lw_expr_t E) { struct lw_expr_opers *o; + if (!E) + return; for (o = E -> operands; o; o = o -> next) lw_expr_destroy(o -> p); if (E -> type == lw_expr_type_var)