How to get argc and argv from main function

Native
1

For C function int main(int argc, char argv[]) { / … */ }

How can I get argc and argv fun main(vararg args: String) {
val argc = alloc().apply { value = args.size }.ptr
val argv = ??
gtk_init(argc, argv)
}

//fun gtk_init(argc: CValuesRef?, argv: CValuesRef<CPointerVar<CPointerVar>>?): Unit

2

Hello! Try something like

        val argc = alloc<IntVar>()
        argc.value = args.size
        val argv = alloc<CPointerVar<CPointerVar<ByteVar>>>()
        argv.value = args.map { it.cstr.ptr }.toCValues().ptr
        gtk_init(argc.ptr, argv.ptr)
1 Like
3

But Kotlin launcher.cpp skips argv[0] which is the binary name.

4

thanks… I’m learning it more. I’m also looking for book. if you know please suggest me name.

5

Yes, one should extend args Array with the binary name, putting it in the first place. I thought it was out of the question scope, thank you for the adjustment.