Function SysRename

Kernel/src/arch/x86_64/syscalls.cpp:714–738

}

long SysRename(regs64_t* r){
	char* oldpath = (char*)SC_ARG0(r);
	char* newpath = (char*)SC_ARG1(r);

	process_t* proc = Scheduler::GetCurrentProcess();

	if(!Memory::CheckUsermodePointer(SC_ARG0(r), 0, proc->addressSpace)){
		Log::Warning("sys_rename: Invalid oldpath pointer %x", SC_ARG0(r));
		return -EFAULT;
	}
	
	if(!Memory::CheckUsermodePointer(SC_ARG1(r), 0, proc->addressSpace)){
		Log::Warning("sys_rename: Invalid newpath pointer %x", SC_ARG0(r));
		return -EFAULT;
	}

	FsNode* olddir = fs::ResolveParent(oldpath, proc->workingDir);
	FsNode* newdir = fs::ResolveParent(newpath, proc->workingDir);

	if(!(olddir && newdir)){
		return -ENOENT;
	}

	return fs::Rename(olddir, fs::BaseName(oldpath), newdir, fs::BaseName(newpath));
}

long SysYield(regs64_t* r){
	Scheduler::Yield();