AcessNative - Changes to allow _compiling_ on windows.

[tpg/acess2.git] / KernelLand / Kernel / syscalls.c

diff --git a/KernelLand/Kernel/syscalls.c b/KernelLand/Kernel/syscalls.c
index 0348d57..bfd68bf 100644 (file)
--- a/KernelLand/Kernel/syscalls.c
+++ b/KernelLand/Kernel/syscalls.c
@@ -135,13 +135,10 @@ void SyscallHandler(tSyscallRegs *Regs)
        // -- Check for messages
        case SYS_GETMSG:
                CHECK_NUM_NULLOK( (Uint*)Regs->Arg1, sizeof(Uint) );
-               // NOTE: Can't do range checking as we don't know the size
-               // - Should be done by Proc_GetMessage
-               if( Regs->Arg2 && Regs->Arg2 != -1 && !MM_IsUser(Regs->Arg2) ) {
-                       err = -EINVAL;  ret = -1;       break;
-               }
+               if( Regs->Arg3 != -1 )
+                       CHECK_NUM_NULLOK((void*)Regs->Arg3, Regs->Arg2);
                // *Source, *Data
-               ret = Proc_GetMessage((Uint*)Regs->Arg1, (void*)Regs->Arg2);
+               ret = Proc_GetMessage((Uint*)Regs->Arg1, Regs->Arg2, (void*)Regs->Arg3);
                break;
        
        // -- Get the current timestamp