Re: [PATCH 07/12] userfaultfd.2: Use 'PRIx64' rather than "%llx" when printing 64-bit fixed-width types

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On 9/12/20 1:14 AM, Alejandro Colomar wrote:
> Signed-off-by: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx>

Thanks, Alex. Patch applied.

Cheers,

Michael



> ---
>  man2/userfaultfd.2 | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/man2/userfaultfd.2 b/man2/userfaultfd.2
> index 126d4a854..c7e42804a 100644
> --- 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);
>      }
>  }
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/



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