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Commit 73419dc4 authored by Nikolay Sivov's avatar Nikolay Sivov Committed by Alexandre Julliard
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ole32: Return END_OF_CHAIN for chains starting with special sector values.

parent 00d36ac9
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Showing with 3 additions and 7 deletions
dlls/ole32/storage32.c
View file @ 73419dc4
...@@ -6995,10 +6995,8 @@ static ULONG BlockChainStream_GetHeadOfChain(BlockChainStream* This) ...@@ -6995,10 +6995,8 @@ static ULONG BlockChainStream_GetHeadOfChain(BlockChainStream* This)
This->ownerDirEntry, This->ownerDirEntry,
&chainEntry); &chainEntry);
if (SUCCEEDED(hr)) if (SUCCEEDED(hr) && chainEntry.startingBlock < BLOCK_FIRST_SPECIAL)
{
return chainEntry.startingBlock; return chainEntry.startingBlock;
}
} }
return BLOCK_END_OF_CHAIN; return BLOCK_END_OF_CHAIN;
...@@ -7520,11 +7518,8 @@ static ULONG SmallBlockChainStream_GetHeadOfChain( ...@@ -7520,11 +7518,8 @@ static ULONG SmallBlockChainStream_GetHeadOfChain(
This->ownerDirEntry, This->ownerDirEntry,
&chainEntry); &chainEntry);
if (SUCCEEDED(hr)) if (SUCCEEDED(hr) && chainEntry.startingBlock < BLOCK_FIRST_SPECIAL)
{
return chainEntry.startingBlock; return chainEntry.startingBlock;
}
} }
return BLOCK_END_OF_CHAIN; return BLOCK_END_OF_CHAIN;
......
dlls/ole32/storage32.h
View file @ 73419dc4
...@@ -78,6 +78,7 @@ static const WORD MAX_BIG_BLOCK_SIZE_BITS = 0x000c; ...@@ -78,6 +78,7 @@ static const WORD MAX_BIG_BLOCK_SIZE_BITS = 0x000c;
static const WORD DEF_SMALL_BLOCK_SIZE_BITS = 0x0006; static const WORD DEF_SMALL_BLOCK_SIZE_BITS = 0x0006;
static const WORD DEF_BIG_BLOCK_SIZE = 0x0200; static const WORD DEF_BIG_BLOCK_SIZE = 0x0200;
static const WORD DEF_SMALL_BLOCK_SIZE = 0x0040; static const WORD DEF_SMALL_BLOCK_SIZE = 0x0040;
static const ULONG BLOCK_FIRST_SPECIAL = 0xFFFFFFFB;
static const ULONG BLOCK_EXTBBDEPOT = 0xFFFFFFFC; static const ULONG BLOCK_EXTBBDEPOT = 0xFFFFFFFC;
static const ULONG BLOCK_SPECIAL = 0xFFFFFFFD; static const ULONG BLOCK_SPECIAL = 0xFFFFFFFD;
static const ULONG BLOCK_END_OF_CHAIN = 0xFFFFFFFE; static const ULONG BLOCK_END_OF_CHAIN = 0xFFFFFFFE;
......
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