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Reduce undefined behavior in item dictionaries

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This commit is contained in:
Matt Nadareski
2025-01-14 22:28:18 -05:00
parent c20cf2a695
commit 6b31acaa85
2 changed files with 32 additions and 14 deletions
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28
SabreTools.DatFiles/ItemDictionaryDB.cs
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@@ -308,13 +308,13 @@ namespace SabreTools.DatFiles
foreach (long itemIndex in itemIndices)
{
#if NET40_OR_GREATER || NETCOREAPP
if (!_items.TryGetValue(itemIndex, out var datItem))
if (!_items.TryGetValue(itemIndex, out var datItem) || datItem == null)
continue;
#else
var datItem = _items[itemIndex];
#endif
if (datItem == null || datItem.GetBoolFieldValue(DatItem.RemoveKey) != true)
if (datItem.GetBoolFieldValue(DatItem.RemoveKey) != true)
continue;
RemoveItem(itemIndex);
@@ -545,15 +545,35 @@ namespace SabreTools.DatFiles
public bool RemoveBucket(string key)
{
#if NET40_OR_GREATER || NETCOREAPP
return _buckets.TryRemove(key, out var list);
bool removed = _buckets.TryRemove(key, out var list);
#else
if (!_buckets.ContainsKey(key))
return false;
bool removed = true;
var list = _buckets[key];
_buckets.Remove(key);
return true;
#endif
if (list == null)
return removed;
foreach (var index in list)
{
#if NET40_OR_GREATER || NETCOREAPP
if (!_items.TryGetValue(index, out var datItem) || datItem == null)
continue;
#else
if (!_items.ContainsKey(index))
continue;
var datItem = _items[index];
#endif
RemoveItem(index);
DatStatistics.RemoveItemStatistics(datItem);
}
return removed;
}
/// <summary>