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Fix crash on parseing invalid GLM syntax
[pspp]
/
src
/
math
/
interaction.c
diff --git
a/src/math/interaction.c
b/src/math/interaction.c
index d81eba5095b613231c5deef69d9e68f90c97ff27..746cc17fa1bcd72acaf0359a7824f1c214705c49 100644
(file)
--- a/
src/math/interaction.c
+++ b/
src/math/interaction.c
@@
-60,6
+60,9
@@
interaction_create (const struct variable *v)
void
interaction_destroy (struct interaction *i)
{
+ if (NULL == i)
+ return;
+
free (i->vars);
free (i);
}