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[APIS-784] raised System.AccessViolationException #14

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[APIS-784] raised System.AccessViolationException #14

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38 changes: 19 additions & 19 deletions Code/Src/CUBRIDCciInterface.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -156,10 +156,10 @@ internal struct T_CCI_COL_INFO
public char is_non_null;
public short scale;
public int precision;
public IntPtr col_name;
public IntPtr real_attr;
public IntPtr class_name;
public IntPtr default_value;
public String col_name;
public String real_attr;
public String class_name;
public String default_value;
public char is_auto_increment;
public char is_unique_key;
public char is_primary_key;
Expand Down Expand Up @@ -266,8 +266,7 @@ public static ColumnMetaData[] cci_get_result_info(CUBRIDConnection conn, int re
{
int stmt_type = 0;
int col_num = 0;
int n;
byte[] name = new byte[MAX_TBALE_COLUMN_NAME_LENGTH];
byte[] name;

IntPtr pt = cci_get_result_info_internal(req_handle, ref stmt_type, ref col_num);
ColumnMetaData[] item = new ColumnMetaData[col_num];
Expand All @@ -277,9 +276,11 @@ public static ColumnMetaData[] cci_get_result_info(CUBRIDConnection conn, int re
ColumnMetaData data = new ColumnMetaData();
try
{

T_CCI_COL_INFO tmp =
(T_CCI_COL_INFO)Marshal.PtrToStructure((IntPtr)((UInt32)pt +
i * Marshal.SizeOf(typeof(T_CCI_COL_INFO))), typeof(T_CCI_COL_INFO));

data.Type = (CUBRIDDataType)tmp.ext_type;

data.IsAutoIncrement = int_to_bool(tmp.is_auto_increment - 0);
Expand All @@ -294,24 +295,23 @@ public static ColumnMetaData[] cci_get_result_info(CUBRIDConnection conn, int re
data.Scale = tmp.scale;
data.Type = (CUBRIDDataType)tmp.ext_type;

Marshal.Copy(tmp.col_name, name, 0, MAX_TBALE_COLUMN_NAME_LENGTH);
for (n = 0; n < MAX_TBALE_COLUMN_NAME_LENGTH; n++) if (name[n] == 0) break;
if (conn.GetEncoding().Equals(Encoding.UTF8))
data.Name = Encoding.UTF8.GetString(name, 0, n);
else
data.Name = Encoding.Unicode.GetString(name, 0, n);

Marshal.Copy(tmp.class_name, name, 0, MAX_TBALE_COLUMN_NAME_LENGTH);
for (n = 0; n < MAX_TBALE_COLUMN_NAME_LENGTH; n++) if (name[n] == 0) break;
if (conn.GetEncoding().Equals(Encoding.UTF8))
{
data.RealName = Encoding.UTF8.GetString(name, 0, n);
data.Table = Encoding.UTF8.GetString(name, 0, n);
name = Encoding.UTF8.GetBytes(tmp.col_name);
data.Name = Encoding.UTF8.GetString(name);

name = Encoding.UTF8.GetBytes(tmp.class_name);
data.RealName = Encoding.UTF8.GetString(name);
data.Table = Encoding.UTF8.GetString(name);
}
else
{
data.RealName = Encoding.Unicode.GetString(name, 0, n);
data.Table = Encoding.Unicode.GetString(name, 0, n);
name = Encoding.Unicode.GetBytes(tmp.col_name);
data.Name = Encoding.Unicode.GetString(name);

name = Encoding.Unicode.GetBytes(tmp.class_name);
data.RealName = Encoding.Unicode.GetString(name);
data.Table = Encoding.Unicode.GetString(name);
}
}
catch
Expand Down