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gitk: Fix bug in the anc_or_desc routine

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I missed the case where both nodes have no children and therefore
have no incoming arcs.  This fixes it.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2007-07-04 21:57:04 +10:00
parent 4fb0fa197e
commit 69c0b5d240
1 changed files with 2 additions and 1 deletions
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@ -6261,7 +6261,8 @@ proc anc_or_desc {a b} {
# Both are on the same arc(s); either both are the same BMP,
# or if one is not a BMP, the other is also not a BMP or is
# the BMP at end of the arc (and it only has 1 incoming arc).
if {$a eq $b} {
# Or both can be BMPs with no incoming arcs.
if {$a eq $b || $arcnos($a) eq {}} {
return 0
}
# assert {[llength $arcnos($a)] == 1}