Re: [Qemu-devel] [PATCH for 1.7] qga: Fix compiler warnings (missing gnu_printf format attribute, wrong format string)

[Stefan Weil <sw@weilnetz.de>]

This patch is superseded by a new one.

v2 fixes three more format strings and is needed for 32 bit hosts.

Stefan


Am 17.11.2013 19:01, schrieb Stefan Weil:
> gcc 4.8.2 reports this warning when extra warnings are enabled (-Wextra):
>
>   CC    qga/commands.o
> qga/commands.c: In function ‘slog’:
> qga/commands.c:28:5: error:
>  function might be possible candidate for ‘gnu_printf’ format attribute [-Werror=suggest-attribute=format]
>      g_logv("syslog", G_LOG_LEVEL_INFO, fmt, ap);
>      ^
>
> gcc 4.8.2 reports this warning when slog is declared with the
> gnu_printf format attribute:
>
> qga/commands-posix.c: In function ‘qmp_guest_file_open’:
> qga/commands-posix.c:404:5: warning:
>  format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘int64_t’ [-Wformat=]
>      slog("guest-file-open, handle: %d", handle);
>      ^
>
> Signed-off-by: Stefan Weil <sw@weilnetz.de>
> ---
>
> Note: checkpatch.pl wrongly reports an error.
>
>  qga/commands-posix.c   |    2 +-
>  qga/guest-agent-core.h |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>