Logon Mechanism Data Pointer
Usage Notes
If additional data is required by the specified logmech_name, logmech_data_ptr addresses that data, specified in the session character set.
If a logmech_name is not specified, the value will be ignored.
Currently, the maximum length is 65535 bytes.
|
Language |
Variable Name |
|
COBOL |
DBCNIMDP |
|
C |
logmech_data_ptr |
|
Routine |
Action Taken |
|
DBCHINI |
writes |
|
DBCHCL |
reads (CON) |
|
Used by |
Action Taken |
|
application program |
writes |
Currently, the maximum meaningful length is 256 characters.
Teradata Wallet Support
This application supports the secure storage of passwords and other logon string information using Teradata Wallet. For detailed information on using Teradata Wallet, see the most recent version of Security Administration (B035‑1100).
For detailed information on Teradata Wallet installation and setup options, see the Teradata Tools and Utilities Installation Guide for the appropriate operating system.
Multibyte Character Support
When the session character set is KANJIEBCDIC5026_0I, KANJIEBCDIC5035_0I, or KATAKANAEBCDIC, double‑byte characters may be included by preceding each contiguous group of them with the Shift‑out control byte, X’0E’, and following this group with the Shift‑in control byte, X’0F’.
When the session character set is UTF8, each character requires between one and three bytes.
When the session character set is KANJIEUC_0U, each character requires one or two bytes, each possibly preceded by a Single-shift-2, X'8E', or Single-shift-3, X'8F', control byte. So each character requires a total of between one and three bytes.
When the session character set is KANJISJIS_0S, each character requires one or two bytes.