mirror of
git://source.winehq.org/git/wine.git
synced 2024-10-15 22:32:18 +00:00
kernelbase: Cleanup and simplify (Global|Local)ReAlloc.
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
This commit is contained in:
parent
a3a2688585
commit
a4966b6690
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@ -48,6 +48,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(globalmem);
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static HANDLE systemHeap; /* globally shared heap */
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BOOLEAN WINAPI RtlGetUserInfoHeap( HANDLE handle, ULONG flags, void *ptr, void **user_value, ULONG *user_flags );
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BOOLEAN WINAPI RtlSetUserValueHeap( HANDLE handle, ULONG flags, void *ptr, void *user_value );
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/***********************************************************************
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* HEAP_CreateSystemHeap
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@ -174,7 +175,7 @@ struct kernelbase_global_data *kernelbase_global_data;
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static inline struct mem_entry *unsafe_mem_from_HLOCAL( HLOCAL handle )
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{
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struct mem_entry *mem = CONTAINING_RECORD( handle, struct mem_entry, ptr );
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struct mem_entry *mem = CONTAINING_RECORD( *(volatile HANDLE *)&handle, struct mem_entry, ptr );
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struct kernelbase_global_data *data = kernelbase_global_data;
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if (((UINT_PTR)handle & ((sizeof(void *) << 1) - 1)) != sizeof(void *)) return NULL;
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if (mem < data->mem_entries || mem >= data->mem_entries_end) return NULL;
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@ -253,7 +254,24 @@ HGLOBAL WINAPI GlobalHandle( const void *ptr )
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*/
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HGLOBAL WINAPI GlobalReAlloc( HGLOBAL handle, SIZE_T size, UINT flags )
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{
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return LocalReAlloc( handle, size, flags );
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struct mem_entry *mem;
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void *ptr;
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if ((mem = unsafe_mem_from_HLOCAL( handle )) && mem->lock) return 0;
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if (!(handle = LocalReAlloc( handle, size, flags ))) return 0;
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/* GlobalReAlloc allows changing GMEM_FIXED to GMEM_MOVEABLE with GMEM_MODIFY */
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if ((flags & (GMEM_MOVEABLE | GMEM_MODIFY)) == (GMEM_MOVEABLE | GMEM_MODIFY) &&
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(ptr = unsafe_ptr_from_HLOCAL( handle )))
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{
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if (!(handle = LocalAlloc( flags, 0 ))) return 0;
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RtlSetUserValueHeap( GetProcessHeap(), 0, ptr, handle );
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mem = unsafe_mem_from_HLOCAL( handle );
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mem->flags &= ~MEM_FLAG_DISCARDED;
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mem->ptr = ptr;
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}
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return handle;
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}
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@ -1629,9 +1629,7 @@ static void test_GlobalAlloc(void)
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mem = GlobalAlloc( GMEM_FIXED, 10 );
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ok( !!mem, "GlobalAlloc failed, error %lu\n", GetLastError() );
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tmp_mem = GlobalReAlloc( mem, 9, GMEM_MODIFY );
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todo_wine
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ok( !!tmp_mem, "GlobalAlloc failed, error %lu\n", GetLastError() );
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todo_wine
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ok( tmp_mem == mem, "got ptr %p, expected %p\n", tmp_mem, mem );
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size = GlobalSize( mem );
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ok( size == 10, "GlobalSize returned %Iu\n", size );
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@ -1645,9 +1643,7 @@ static void test_GlobalAlloc(void)
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"got error %lu\n", GetLastError() );
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if (tmp_mem) mem = tmp_mem;
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tmp_mem = GlobalReAlloc( mem, 1024 * 1024, GMEM_MODIFY );
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todo_wine
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ok( !!tmp_mem, "GlobalAlloc failed, error %lu\n", GetLastError() );
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todo_wine
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ok( tmp_mem == mem, "got ptr %p, expected %p\n", tmp_mem, mem );
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size = GlobalSize( mem );
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ok( size == 10, "GlobalSize returned %Iu\n", size );
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@ -1986,9 +1982,7 @@ static void test_LocalAlloc(void)
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mem = LocalAlloc( LMEM_FIXED, 10 );
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ok( !!mem, "LocalAlloc failed, error %lu\n", GetLastError() );
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tmp_mem = LocalReAlloc( mem, 9, LMEM_MODIFY );
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todo_wine
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ok( !!tmp_mem, "LocalAlloc failed, error %lu\n", GetLastError() );
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todo_wine
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ok( tmp_mem == mem, "got ptr %p, expected %p\n", tmp_mem, mem );
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size = LocalSize( mem );
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ok( size == 10, "LocalSize returned %Iu\n", size );
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@ -2002,9 +1996,7 @@ static void test_LocalAlloc(void)
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"got error %lu\n", GetLastError() );
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if (tmp_mem) mem = tmp_mem;
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tmp_mem = LocalReAlloc( mem, 1024 * 1024, LMEM_MODIFY );
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todo_wine
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ok( !!tmp_mem, "LocalAlloc failed, error %lu\n", GetLastError() );
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todo_wine
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ok( tmp_mem == mem, "got ptr %p, expected %p\n", tmp_mem, mem );
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size = LocalSize( mem );
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ok( size == 10, "LocalSize returned %Iu\n", size );
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@ -2072,18 +2064,15 @@ static void test_LocalAlloc(void)
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/* Check that we cannot change LMEM_FIXED to LMEM_MOVEABLE */
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mem = LocalReAlloc( mem, 0, LMEM_MODIFY | LMEM_MOVEABLE );
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ok( !!mem, "LocalReAlloc failed, error %lu\n", GetLastError() );
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todo_wine
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ok( mem == ptr, "LocalReAlloc returned unexpected handle\n" );
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size = LocalSize( mem );
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ok( size == buffer_size, "LocalSize returned %Iu, error %lu\n", size, GetLastError() );
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ptr = LocalLock( mem );
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ok( !!ptr, "LocalLock failed, error %lu\n", GetLastError() );
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todo_wine
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ok( ptr == mem, "got unexpected ptr %p\n", ptr );
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ret = LocalUnlock( mem );
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ok( !ret, "LocalUnlock succeeded, error %lu\n", GetLastError() );
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todo_wine
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ok( GetLastError() == ERROR_NOT_LOCKED, "got error %lu\n", GetLastError() );
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tmp_mem = LocalReAlloc( mem, 2 * buffer_size, LMEM_MOVEABLE | LMEM_ZEROINIT );
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@ -2096,7 +2085,6 @@ static void test_LocalAlloc(void)
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ok( size >= 2 * buffer_size, "LocalSize returned %Iu, error %lu\n", size, GetLastError() );
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ptr = LocalLock( mem );
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ok( !!ptr, "LocalLock failed, error %lu\n", GetLastError() );
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todo_wine
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ok( ptr == mem, "got unexpected ptr %p\n", ptr );
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ok( !memcmp( ptr, zero_buffer, buffer_size ), "LocalReAlloc didn't clear memory\n" );
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ok( !memcmp( ptr + buffer_size, zero_buffer, buffer_size ),
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@ -2105,13 +2093,10 @@ static void test_LocalAlloc(void)
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tmp_mem = LocalHandle( ptr );
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ok( tmp_mem == mem, "LocalHandle returned unexpected handle\n" );
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tmp_mem = LocalDiscard( mem );
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todo_wine
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ok( !!tmp_mem, "LocalDiscard failed, error %lu\n", GetLastError() );
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todo_wine
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ok( tmp_mem == mem, "LocalDiscard returned unexpected handle\n" );
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ret = LocalUnlock( mem );
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ok( !ret, "LocalUnlock succeeded, error %lu\n", GetLastError() );
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todo_wine
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ok( GetLastError() == ERROR_NOT_LOCKED, "got error %lu\n", GetLastError() );
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tmp_mem = LocalDiscard( mem );
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@ -964,7 +964,8 @@ LPVOID WINAPI DECLSPEC_HOTPATCH LocalLock( HLOCAL handle )
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*/
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HLOCAL WINAPI DECLSPEC_HOTPATCH LocalReAlloc( HLOCAL handle, SIZE_T size, UINT flags )
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{
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DWORD heap_flags = HEAP_ADD_USER_INFO;
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DWORD heap_flags = HEAP_ADD_USER_INFO | HEAP_NO_SERIALIZE;
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HANDLE heap = GetProcessHeap();
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struct mem_entry *mem;
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HLOCAL ret = 0;
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void *ptr;
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@ -973,92 +974,55 @@ HLOCAL WINAPI DECLSPEC_HOTPATCH LocalReAlloc( HLOCAL handle, SIZE_T size, UINT f
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if (flags & LMEM_ZEROINIT) heap_flags |= HEAP_ZERO_MEMORY;
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RtlLockHeap( GetProcessHeap() );
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if (flags & LMEM_MODIFY) /* modify flags */
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RtlLockHeap( heap );
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if ((ptr = unsafe_ptr_from_HLOCAL( handle )))
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{
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if (unsafe_ptr_from_HLOCAL( handle ) && (flags & LMEM_MOVEABLE))
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if (flags & LMEM_MODIFY) ret = handle;
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else
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{
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/* make a fixed block moveable
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* actually only NT is able to do this. But it's soo simple
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*/
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if (handle == 0)
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if (!(flags & LMEM_MOVEABLE)) heap_flags |= HEAP_REALLOC_IN_PLACE_ONLY;
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ret = HeapReAlloc( heap, heap_flags, ptr, size );
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if (ret) RtlSetUserValueHeap( heap, heap_flags, ret, ret );
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else SetLastError( ERROR_NOT_ENOUGH_MEMORY );
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}
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}
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else if ((mem = unsafe_mem_from_HLOCAL( handle )))
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{
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WARN_(globalmem)( "null handle\n" );
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SetLastError( ERROR_NOACCESS );
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if (!(flags & LMEM_MODIFY))
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{
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if (size)
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{
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if (!mem->ptr) ptr = HeapAlloc( heap, heap_flags, size );
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else ptr = HeapReAlloc( heap, heap_flags, mem->ptr, size );
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if (!ptr) SetLastError( ERROR_NOT_ENOUGH_MEMORY );
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else
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{
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RtlSetUserValueHeap( heap, heap_flags, ptr, handle );
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mem->flags &= ~MEM_FLAG_DISCARDED;
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mem->ptr = ptr;
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ret = handle;
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}
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}
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else
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{
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size = RtlSizeHeap( GetProcessHeap(), 0, handle );
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ret = LocalAlloc( flags, size );
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ptr = LocalLock( ret );
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memcpy( ptr, handle, size );
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LocalUnlock( ret );
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LocalFree( handle );
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HeapFree( heap, heap_flags, mem->ptr );
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mem->flags |= MEM_FLAG_DISCARDED;
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mem->lock = 0;
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mem->ptr = NULL;
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ret = handle;
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}
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}
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else if ((mem = unsafe_mem_from_HLOCAL( handle )) && (flags & LMEM_DISCARDABLE))
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else if (flags & LMEM_DISCARDABLE)
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{
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/* change the flags to make our block "discardable" */
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mem->flags |= LMEM_DISCARDABLE >> 8;
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mem->flags |= MEM_FLAG_DISCARDABLE;
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ret = handle;
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}
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else SetLastError( ERROR_INVALID_PARAMETER );
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}
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else
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{
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if ((ptr = unsafe_ptr_from_HLOCAL( handle )))
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{
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/* reallocate fixed memory */
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if (!(flags & LMEM_MOVEABLE)) heap_flags |= HEAP_REALLOC_IN_PLACE_ONLY;
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ret = HeapReAlloc( GetProcessHeap(), heap_flags, ptr, size );
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if (ret) RtlSetUserValueHeap( GetProcessHeap(), heap_flags, ret, ret );
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}
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else if ((mem = unsafe_mem_from_HLOCAL( handle )))
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{
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/* reallocate a moveable block */
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if (size != 0)
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{
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if (size <= INT_MAX)
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{
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if (mem->ptr)
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{
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if ((ptr = HeapReAlloc( GetProcessHeap(), heap_flags, mem->ptr, size )))
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{
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RtlSetUserValueHeap( GetProcessHeap(), heap_flags, ptr, handle );
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mem->ptr = ptr;
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ret = handle;
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}
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}
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else
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{
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if ((ptr = HeapAlloc( GetProcessHeap(), heap_flags, size )))
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{
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RtlSetUserValueHeap( GetProcessHeap(), heap_flags, ptr, handle );
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*(HLOCAL *)ptr = handle;
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mem->ptr = ptr;
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ret = handle;
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}
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}
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}
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else SetLastError( ERROR_OUTOFMEMORY );
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}
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else
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{
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if (mem->lock == 0)
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{
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if (mem->ptr)
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{
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HeapFree( GetProcessHeap(), 0, mem->ptr );
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mem->ptr = NULL;
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}
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ret = handle;
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}
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else WARN_(globalmem)( "not freeing memory associated with locked handle\n" );
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}
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}
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else SetLastError( ERROR_INVALID_HANDLE );
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}
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RtlUnlockHeap( GetProcessHeap() );
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RtlUnlockHeap( heap );
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return ret;
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}
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