Committing quick RNA function calling RNA_function_call_direct* functions set à la fprintf.
It works like this (with ptr being an RNA pointer to some ID):
RNA_function_call_direct_lookup(ptr, "rename", "s", "MyCamera");
the format specifier would not be strictly needed but I prefer to keep this as it gives nice error handling in case some RNA function changes.
Format strings are very easy and similar to python ones:
"b" for booleans
"i" for integers
"f" for floats
"s" for strings
"e" for enums (using int values)
"O" for pointers (using O as in py, we can change to P)
"N" special NULL parameter, valid to skip optional parameters
For bools, ints and floats you can use a special format specifier with [n] where n is the size of an array of that type. For instance "f[4]" to set a location/vector (it expects a pointer to float* holding the array).
Return values still have to be implemented.
Also I know the name is a bit long maybe we can cut it up at RNA_call_direct or simply RNA_call.
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