Good catch on that, tried changing it to have the variable global, but no effect. FOOSTR still evaluates to gibberish on the RPG side.

Is there a way for me to evaluate the memory address in the module source to check foo[]'s contents? If I F11 foo in the module source, I only get an SPP:<memory address> line, rather than the actual data I was hoping to see.


Elvis Budimlic wrote:
Your foo variable is declared as automatic storage and is local to the
getStr function.  As such, pointer you return will be valid, but the very
next instruction may very well overwrite this storage.
One way to solve it would be to declare foo as static (global) storage:

0001.00 #include <stdio.h>
0002.00 #include <string.h>
0003.00 #include <stdlib.h>
0005.00 char foo[25];
0006.00 0007.00 char* getStr(int incomingVar)
0008.00 {
0009.00 sprintf(foo,"%d",incomingVar); 0010.00 return foo; 0011.00 }
Now the pointer you return will point to valid storage.


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