How to set a const char* variable in LLDB

Question

I am on an IOS project and we use objective-c.

I function passes some data with type const char*. I can view the data in the debugger:

expr -- (void)printf("[%s]\n",(const char *)xml)

but I would like to change the value of the xml variable on the fly via the debugger. How can be done?

Answer 1

The same way you would do for char* :

For const char *xml = "<xml></xml>"; you can assign to xml with

expr -- xml = "<foo></foo>"

Of course xml (The pointer to your string) is in the functions scope, so you only change where xml in the function is pointing to, not the string that xml originally points to (which you can't, beacause you have a pointer to const )

This does not work if xml is declared as char xml[] = "<xml></xml>"; , because arrays are not assignable in C.