Using the Debug Memory Manager With RPG

RPG programmers who use RPG’s memory management operations (%ALLOC, %REALLOC and DEALLOC) should read the blog Debug Heap-Usage Problems about the debug memory manager. The debug memory manager can be used to locate errors in an application that uses heap storage. Debugging problems related to memory management can be very difficult because the symptom of the problem often occurs long after the problem was caused. I can attest from personal experience that the debug memory manager is a great tool. On one occasion it pinpointed my problem instantly. Without the debug memory manager, I would’ve had many repeated debug sessions, gradually working my way back to the original coding error that was causing the problem.