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Installation and Configuration on UNIX and Linux Systems : System Requirements : UTF-16 Applications on UNIX and Linux

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UTF-16 Applications on UNIX and Linux

Because the DataDirect Driver Manager allows applications to use either UTF-8 or UTF-16 Unicode encoding, applications written in UTF-16 for Windows platforms can also be used on UNIX and Linux platforms.
The Driver Manager assumes a default of UTF-8 applications; therefore, two things must occur for it to determine that the application is UTF-16:
*The definition of SQLWCHAR in the ODBC header files must be switched from "char *" to "short *." To do this, the application uses #define SQLWCHARSHORT.
*The application must set the ODBC environment attribute SQL_ATTR_APP_UNICODE_TYPE to a value of SQL_DD_CP_UTF16, for example: