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Make setrel() refuse to change relations to self

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No current caller actually attempts that, but let's make it obvious.
This commit is contained in:
Markus Armbruster 2011-02-05 09:31:44 +01:00
parent d4f0cb3576
commit 985ec19f8b
1 changed files with 2 additions and 0 deletions
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2
src/lib/subs/rej.c
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@ -60,6 +60,8 @@ setrel(natid us, natid them, int rel)
rel = ALLIED;
if (CANT_HAPPEN(!mynp || !themnp))
return;
if (us == them)
return;
oldrel = getrel(mynp, them);
if (oldrel == rel)
return;