System.Data.SQLite
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Overview
Comment:In the SQLiteIndex.FreeNative method, zero out pointers to the freed memory blocks.
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SHA1: 72929d612b01129e9525df2a837bd2a5f3fa764a
User & Date: mistachkin 2017-01-27 20:33:56
Context
2017-02-02
18:10
Update the estimated date for the 1.0.105.0 release. check-in: 854ff0dbc0 user: mistachkin tags: trunk
2017-01-27
20:33
In the SQLiteIndex.FreeNative method, zero out pointers to the freed memory blocks. check-in: 72929d612b user: mistachkin tags: trunk
2017-01-26
21:56
Update Eagle in externals to the beta 39 release. check-in: 6bac273f81 user: mistachkin tags: trunk
Changes
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Changes to System.Data.SQLite/SQLiteModule.cs.

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            int offset = 0;

            offset = SQLiteMarshal.NextOffsetOf(
                offset, sizeof(int), IntPtr.Size);

            IntPtr pConstraint = SQLiteMarshal.ReadIntPtr(
                pIndex, offset);



            offset = SQLiteMarshal.NextOffsetOf(
                offset, IntPtr.Size, sizeof(int));

            offset = SQLiteMarshal.NextOffsetOf(
                offset, sizeof(int), IntPtr.Size);

            IntPtr pOrderBy = SQLiteMarshal.ReadIntPtr(
                pIndex, offset);



            offset = SQLiteMarshal.NextOffsetOf(
                offset, IntPtr.Size, IntPtr.Size);

            IntPtr pConstraintUsage = SQLiteMarshal.ReadIntPtr(
                pIndex, offset);



            if (pConstraintUsage != IntPtr.Zero)
            {
                SQLiteMemory.Free(pConstraintUsage);
                pConstraintUsage = IntPtr.Zero;



            }

            if (pOrderBy != IntPtr.Zero)
            {
                SQLiteMemory.Free(pOrderBy);
                pOrderBy = IntPtr.Zero;



            }

            if (pConstraint != IntPtr.Zero)
            {
                SQLiteMemory.Free(pConstraint);
                pConstraint = IntPtr.Zero;



            }

            if (pIndex != IntPtr.Zero)
            {
                SQLiteMemory.Free(pIndex);
                pIndex = IntPtr.Zero;
            }







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            int offset = 0;

            offset = SQLiteMarshal.NextOffsetOf(
                offset, sizeof(int), IntPtr.Size);

            IntPtr pConstraint = SQLiteMarshal.ReadIntPtr(
                pIndex, offset);

            int constraintOffset = offset;

            offset = SQLiteMarshal.NextOffsetOf(
                offset, IntPtr.Size, sizeof(int));

            offset = SQLiteMarshal.NextOffsetOf(
                offset, sizeof(int), IntPtr.Size);

            IntPtr pOrderBy = SQLiteMarshal.ReadIntPtr(
                pIndex, offset);

            int orderByOffset = offset;

            offset = SQLiteMarshal.NextOffsetOf(
                offset, IntPtr.Size, IntPtr.Size);

            IntPtr pConstraintUsage = SQLiteMarshal.ReadIntPtr(
                pIndex, offset);

            int constraintUsageOffset = offset;

            if (pConstraintUsage != IntPtr.Zero)
            {
                SQLiteMemory.Free(pConstraintUsage);
                pConstraintUsage = IntPtr.Zero;

                SQLiteMarshal.WriteIntPtr(
                    pIndex, constraintUsageOffset, pConstraintUsage);
            }

            if (pOrderBy != IntPtr.Zero)
            {
                SQLiteMemory.Free(pOrderBy);
                pOrderBy = IntPtr.Zero;

                SQLiteMarshal.WriteIntPtr(
                    pIndex, orderByOffset, pOrderBy);
            }

            if (pConstraint != IntPtr.Zero)
            {
                SQLiteMemory.Free(pConstraint);
                pConstraint = IntPtr.Zero;

                SQLiteMarshal.WriteIntPtr(
                    pIndex, constraintOffset, pConstraint);
            }

            if (pIndex != IntPtr.Zero)
            {
                SQLiteMemory.Free(pIndex);
                pIndex = IntPtr.Zero;
            }