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Improve error handling in copy_vector()

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hasufell 2014-05-12 19:49:01 +02:00
parent ce4032f0be
commit 20d013c401
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1 changed files with 1 additions and 1 deletions
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src/vector.c
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@ -156,7 +156,7 @@ bool normalize_vector(vector *a, vector *b)
*/ */
bool copy_vector(vector *a, vector *b) bool copy_vector(vector *a, vector *b)
{ {
if (!a || !b) if (!a || !b || (a == b))
return false; return false;
b->x = a->x; b->x = a->x;