--- ./runtime/Clib/cports.c.orig	2014-02-18 11:37:02.000000000 -0700
+++ ./runtime/Clib/cports.c	2014-02-20 08:04:35.438035870 -0700
@@ -2195,8 +2195,8 @@ bgl_file_to_string( char *path ) {
 			   strerror( errno ),
 			   string_to_bstring( path ) );
       } else {
-	 obj_t res = make_string_sans_fill( sin.st_size );
-	 int n = read( fd, BSTRING_TO_STRING( res ), sin.st_size );
+	 obj_t res = make_string_sans_fill( (int)sin.st_size );
+	 ssize_t n = read( fd, BSTRING_TO_STRING( res ), sin.st_size );
 
 	 close( fd );
 	 
@@ -2463,7 +2463,7 @@ bgl_sendchars( obj_t ip, obj_t op, long
       }
 #if( BGL_HAVE_SENDFILE )
    } else {
-      if( sz == -1 ) sz = in.st_size;
+      if( sz == -1 ) sz = (long) in.st_size;
 
       if( sz != 0 ) {
 #if( BGL_GC_HAVE_BLOCKING )
@@ -2564,7 +2564,7 @@ bgl_sendfile( obj_t name, obj_t op, long
 	 C_SYSTEM_FAILURE(
 	    BGL_IO_PORT_ERROR, "send-file", strerror( errno ), name );
       }
-      sz = sin.st_size;
+      sz = (long) sin.st_size;
    }
 
 #if( !BGL_HAVE_SENDFILE )