--- a/sunrpc/rpc/types.h
+++ b/sunrpc/rpc/types.h
@@ -75,18 +75,23 @@ typedef unsigned long rpcport_t;
 #endif
 
 #ifndef __u_char_defined
-typedef __u_char u_char;
-typedef __u_short u_short;
-typedef __u_int u_int;
-typedef __u_long u_long;
-typedef __quad_t quad_t;
-typedef __u_quad_t u_quad_t;
-typedef __fsid_t fsid_t;
+typedef unsigned char u_char;
+typedef unsigned short u_short;
+typedef unsigned int u_int;
+typedef unsigned long u_long;
+#if __WORDSIZE == 64
+typedef long int quad_t;
+typedef unsigned long int u_quad_t;
+#elif defined __GLIBC_HAVE_LONG_LONG
+typedef long long int quad_t;
+typedef unsigned long long int u_quad_t;
+#endif
+typedef u_quad_t fsid_t;
 # define __u_char_defined
 #endif
-#ifndef __daddr_t_defined
-typedef __daddr_t daddr_t;
-typedef __caddr_t caddr_t;
+#if !defined(__daddr_t_defined) && defined(linux)
+typedef long int daddr_t;
+typedef char *caddr_t;
 # define __daddr_t_defined
 #endif
 
--- a/sunrpc/rpc_main.c
+++ b/sunrpc/rpc_main.c
@@ -958,9 +958,10 @@ mkfile_output (struct commandline *cmd)
 	abort ();
       temp = rindex (cmd->infile, '.');
       cp = stpcpy (mkfilename, "Makefile.");
-      if (temp != NULL)
-	*((char *) stpncpy (cp, cmd->infile, temp - cmd->infile)) = '\0';
-      else
+      if (temp != NULL) {
+        strncpy(cp, cmd->infile, temp - cmd->infile);
+        cp[temp - cmd->infile - 1] = 0;
+      } else
 	stpcpy (cp, cmd->infile);
 
     }