userfaultfd.2: Use 'PRIx64' rather than "%llx" when printing 64-bit fixed-width types

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/userfaultfd.2 b/man2/userfaultfd.2
index 126d4a8547c9148cee19fceae77314f7d26d9c75..c7e42804a4ae486d6e5fc2dd1fec3b0779b1e8ec 100644 (file)
--- a/man2/userfaultfd.2
+++ b/man2/userfaultfd.2
@@ -566,6 +566,7 @@ Read address 0x7fd30106ec0f in main(): C
    Licensed under the GNU General Public License version 2 or later.
 */
 #define _GNU_SOURCE
+#include <inttypes.h>
 #include <sys/types.h>
 #include <stdio.h>
 #include <linux/userfaultfd.h>
@@ -650,8 +651,8 @@ fault_handler_thread(void *arg)
         /* Display info about the page\-fault event */
 
         printf("    UFFD_EVENT_PAGEFAULT event: ");
-        printf("flags = %llx; ", msg.arg.pagefault.flags);
-        printf("address = %llx\en", msg.arg.pagefault.address);
+        printf("flags = %"PRIx64"; ", msg.arg.pagefault.flags);
+        printf("address = %"PRIx64"\en", msg.arg.pagefault.address);
 
         /* Copy the page pointed to by \(aqpage\(aq into the faulting
            region. Vary the contents that are copied in, so that it
@@ -673,7 +674,7 @@ fault_handler_thread(void *arg)
         if (ioctl(uffd, UFFDIO_COPY, &uffdio_copy) == \-1)
             errExit("ioctl\-UFFDIO_COPY");
 
-        printf("        (uffdio_copy.copy returned %lld)\en",
+        printf("        (uffdio_copy.copy returned %"PRId64")\en",
                 uffdio_copy.copy);
     }
 }