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tries module: fix bug in trie_get_first_entry/2

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This commit is contained in:
Ricardo Rocha
2010-02-22 14:01:56 +00:00
parent c3fb089eeb
commit 71a9be9742
6 changed files with 143 additions and 139 deletions
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6
library/tries/base_tries.c
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@@ -72,8 +72,10 @@ void trie_data_destruct(TrNode node) {
if (TrData_next(data)) {
TrData_previous(TrData_next(data)) = TrData_previous(data);
TrData_next(TrData_previous(data)) = TrData_next(data);
} else
} else {
TrEntry_last_data(trie) = TrData_previous(data);
TrData_next(TrData_previous(data)) = NULL;
}
free_trie_data(data);
return;
}
@@ -177,6 +179,8 @@ TrData trie_get_last_entry(TrEntry trie) {
TrData data;
data = TrEntry_last_data(trie);
if (data == AS_TR_DATA_NEXT(&TrEntry_first_data(trie)))
return NULL;
return data;
}