[Xen-devel] [PATCH] mini-os: Add printf format checking to xenbus_printf

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>]

mini-os: Add printf format checking to xenbus_printf

Reported-by: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>

diff -r 43486a7f918c extras/mini-os/include/xenbus.h
--- a/extras/mini-os/include/xenbus.h   Tue Aug 26 16:38:23 2008 +0100
+++ b/extras/mini-os/include/xenbus.h   Tue Aug 26 17:44:01 2008 +0100
@@ -88,7 +88,8 @@ int xenbus_read_integer(const char *path
 /* Contraction of snprintf and xenbus_write(path/node). */
 char* xenbus_printf(xenbus_transaction_t xbt,
                                   const char* node, const char* path,
-                                  const char* fmt, ...);
+                                  const char* fmt, ...)
+                   __attribute__((__format__(printf, 4, 5)));
 
 /* Reset the XenBus system. */
 void fini_xenbus(void);

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