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OTS$ - Data Conversion Routines

Overview

VX/OTS$ provides a call-compatible implementation of OpenVMS data conversion and structured data handling APIs for x86 and ARM Linux. It ensures that OpenVMS applications can perform encoding transformations, structured data manipulation, and memory operations while maintaining compatibility with existing logic and execution behavior.

Key Features

• Fully compatible with OpenVMS OTS$ APIs.

• Supports data conversion, encoding transformations, and structured data handling.

• Allows seamless migration of OpenVMS applications that rely on OTS$ routines.

• Integrates with VX/RT to provide full OpenVMS-style data processing capabilities on x86 and ARM Linux.

• Ensures consistency in numerical representation, memory operations, and encoding across platforms.

VX/OTS$ Callable Routines

OTS$ API Function
OTS$CNVOUTConvert output data
OTS$CVT_L_TBConvert long to table
OTS$CVT_L_TIConvert long to integer
OTS$CVT_L_TOConvert long to octal
OTS$CVT_L_TUConvert long to unsigned
OTS$CVT_L_TZConvert long to timezone
OTS$CVT_T_DConvert type to decimal
OTS$CVT_T_GConvert type to general
OTS$CVT_T_HConvert type to hex
OTS$CVT_TB_LConvert table to long
OTS$CVT_TI_LConvert integer to long
OTS$CVT_TU_LConvert unsigned to long
OTS$CVT_TZ_LConvert timezone to long
OTS$MOVE3Move characters
OTS$MOVE5Move characters with fill
OTS$POWDDComputes the power of two double-precision numbers
OTS$POWLULUPower function for long
OTS$SCOPY_R_DXCopies a string descriptor with right alignment

Why Use VX/OTS$?

• Preserves OpenVMS data transformation logic, enabling direct porting of applications.

• Provides full compatibility with OpenVMS OTS$ functions, ensuring seamless execution of structured data operations on Linux.

• Supports key OpenVMS data processing operations, including conversion between numeric formats, encoding transformations, and memory movement.

• Seamlessly integrates into the VX/RT ecosystem for OpenVMS compatibility on x86 and ARM Linux.

VX/OTS$ ensures that OpenVMS applications requiring OTS$ services can be migrated without major modifications, preserving productivity and minimizing development costs.

Frequently Asked Questions

Curious about how Sector7 can facilitate your application migration? Explore our FAQs for expert insights.

What is VX/OTS$ and how does it help with OpenVMS migrations?

VX/OTS$ provides a call-compatible implementation of OpenVMS data conversion and structured data handling APIs for x86 and ARM Linux. It ensures seamless migration of OpenVMS applications that rely on OTS$ routines while maintaining compatibility with existing logic and execution behavior.

This tool is essential for organizations migrating applications that perform encoding transformations, structured data manipulation, and memory operations. Contact us to discuss how VX/OTS$ can simplify your OpenVMS migration.

Which data conversion functions does VX/OTS$ support?

VX/OTS$ supports all major OpenVMS OTS$ APIs including OTS$CNVOUT, OTS$CVT_L_TB, OTS$CVT_T_D, OTS$MOVE3, OTS$MOVE5, and OTS$POWDD among others.

Does VX/OTS$ maintain numerical representation consistency?

Yes, VX/OTS$ ensures consistency in numerical representation, memory operations, and encoding across platforms when migrating from OpenVMS to Linux.

How does VX/OTS$ handle memory operations during migration?

VX/OTS$ includes memory movement functions like OTS$MOVE3 and OTS$MOVE5 that preserve OpenVMS memory handling behavior on Linux platforms.

Can VX/OTS$ integrate with other VX migration tools?

VX/OTS$ seamlessly integrates into the VX/RT ecosystem for comprehensive OpenVMS compatibility on x86 and ARM Linux. This integration provides full OpenVMS-style data processing capabilities alongside other VX tools.

Organizations like Allianz have successfully leveraged multiple VX tools for complex migrations involving data conversion and processing requirements.

What encoding transformations are supported by VX/OTS$?

VX/OTS$ supports OpenVMS encoding transformations including conversion between numeric formats, timezone handling, and structured data encoding operations.

How does VX/OTS$ handle power and mathematical operations?

VX/OTS$ includes mathematical functions like OTS$POWDD for double-precision power calculations and OTS$POWLULU for long integer power operations, maintaining OpenVMS computational accuracy.

What are the key benefits of using VX/OTS$ for migration projects?

VX/OTS$ preserves OpenVMS data transformation logic, enabling direct porting of applications without major modifications. This reduces development costs and maintains productivity during migration.

The tool provides full compatibility with OpenVMS OTS$ functions, ensuring seamless execution of structured data operations on Linux. Companies like BNY Mellon have leveraged similar migration strategies for critical financial applications.

By eliminating the need to rewrite data conversion logic, VX/OTS$ significantly accelerates migration timelines. Contact our team to learn how VX/OTS$ can streamline your OpenVMS modernization project.

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