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[libvirt] [PATCH] cygwin: Handle differences in the XDR implementation



Cygwin's XDR implementation defines xdr_u_int64_t instead of
xdr_uint64_t and lacks IXDR_PUT_INT32/IXDR_GET_INT32.

Alter the IXDR_GET_LONG regex in rpcgen_fix.pl so it doesn't destroy
the #define IXDR_GET_INT32 IXDR_GET_LONG in remote_protocol.x.

Also fix the remote_protocol.h regex in rpcgen_fix.pl.
---
 configure.ac                 |    3 +++
 src/remote/remote_protocol.c |   11 ++++++++++-
 src/remote/remote_protocol.h |    9 +++++++++
 src/remote/remote_protocol.x |   13 +++++++++++++
 src/remote/rpcgen_fix.pl     |    4 ++--
 5 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index d75fac8..955a9e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -124,6 +124,9 @@ AC_CHECK_LIB([portablexdr],[xdrmem_create],[],[
 		[AC_MSG_ERROR([Cannot find a XDR library])])
 	])
 
+dnl check for cygwin's variation in xdr function names
+AC_CHECK_FUNCS([xdr_u_int64_t],[],[],[#include <rpc/xdr.h>])
+
 AC_CHECK_LIB([intl],[gettext],[])
 
 dnl Do we have rpcgen?
diff --git a/src/remote/remote_protocol.c b/src/remote/remote_protocol.c
index c9816dd..eb0f9c3 100644
--- a/src/remote/remote_protocol.c
+++ b/src/remote/remote_protocol.c
@@ -4,9 +4,18 @@
  * It was generated using rpcgen.
  */
 
-#include "./remote/remote_protocol.h"
+#include "remote_protocol.h"
 #include "internal.h"
 #include <arpa/inet.h>
+#ifdef HAVE_XDR_U_INT64_T
+# define xdr_uint64_t xdr_u_int64_t
+#endif
+#ifndef IXDR_PUT_INT32
+# define IXDR_PUT_INT32 IXDR_PUT_LONG
+#endif
+#ifndef IXDR_GET_INT32
+# define IXDR_GET_INT32 IXDR_GET_LONG
+#endif
 
 bool_t
 xdr_remote_nonnull_string (XDR *xdrs, remote_nonnull_string *objp)
diff --git a/src/remote/remote_protocol.h b/src/remote/remote_protocol.h
index 57ed123..92fd6df 100644
--- a/src/remote/remote_protocol.h
+++ b/src/remote/remote_protocol.h
@@ -15,6 +15,15 @@ extern "C" {
 
 #include "internal.h"
 #include <arpa/inet.h>
+#ifdef HAVE_XDR_U_INT64_T
+# define xdr_uint64_t xdr_u_int64_t
+#endif
+#ifndef IXDR_PUT_INT32
+# define IXDR_PUT_INT32 IXDR_PUT_LONG
+#endif
+#ifndef IXDR_GET_INT32
+# define IXDR_GET_INT32 IXDR_GET_LONG
+#endif
 #define REMOTE_MESSAGE_MAX 262144
 #define REMOTE_MESSAGE_HEADER_MAX 24
 #define REMOTE_MESSAGE_PAYLOAD_MAX 262120
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 9aa3a7e..60f93b2 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -39,6 +39,19 @@
 %#include "internal.h"
 %#include <arpa/inet.h>
 
+/* cygwin's xdr implementation defines xdr_u_int64_t instead of xdr_uint64_t
+ * and lacks IXDR_PUT_INT32 and IXDR_GET_INT32
+ */
+%#ifdef HAVE_XDR_U_INT64_T
+%# define xdr_uint64_t xdr_u_int64_t
+%#endif
+%#ifndef IXDR_PUT_INT32
+%# define IXDR_PUT_INT32 IXDR_PUT_LONG
+%#endif
+%#ifndef IXDR_GET_INT32
+%# define IXDR_GET_INT32 IXDR_GET_LONG
+%#endif
+
 /*----- Data types. -----*/
 
 /* Maximum total message size (serialised). */
diff --git a/src/remote/rpcgen_fix.pl b/src/remote/rpcgen_fix.pl
index 4943765..3cf5479 100644
--- a/src/remote/rpcgen_fix.pl
+++ b/src/remote/rpcgen_fix.pl
@@ -31,8 +31,8 @@ while (<>) {
     s/quad_t/int64_t/g;
     s/xdr_u_quad_t/xdr_uint64_t/g;
     s/xdr_quad_t/xdr_int64_t/g;
-    s/IXDR_GET_LONG/IXDR_GET_INT32/g;
-    s,#include "\./remote_protocol\.h",#include "remote_protocol.h",;
+    s/(?<!IXDR_GET_INT32 )IXDR_GET_LONG/IXDR_GET_INT32/g;
+    s,#include "\./remote/remote_protocol\.h",#include "remote_protocol.h",;
 
     if (m/^}/) {
 	$in_function = 0;
-- 
1.6.3.3


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