xdr_proc_t really is different on linux26_i386

[openafs.git] / src / rx / xdr.h

diff --git a/src/rx/xdr.h b/src/rx/xdr.h
index c91d17a..2936e29 100644 (file)
--- a/src/rx/xdr.h
+++ b/src/rx/xdr.h
@@ -174,8 +174,17 @@ enum xdr_op {
  * allocate dynamic storage of the appropriate size and return it.
  * bool_t      (*xdrproc_t)(XDR *, caddr_t *);
  */
-typedef bool_t(*xdrproc_t) (void *, ...);
 
+/* We need a different prototype for i386 Linux kernel code, because it 
+ * uses a register (rather than stack) based calling convention. The
+ * normal va_args prototype results in the arguments being placed on the
+ * stack, where they aren't accessible to the 'real' function.
+ */
+#if defined(AFS_I386_LINUX26_ENV) && defined(KERNEL) && !defined(UKERNEL)
+typedef bool_t(*xdrproc_t) (void *, caddr_t, u_int);
+#else
+typedef bool_t(*xdrproc_t) (void *, ...);
+#endif
 
 /*
  * The XDR handle.