Re: [PATCH 3/7] net/rocker: use GDateTime for formatting timestamp in debug messages

[Juan Quintela <quintela@redhat.com>]

Daniel P. Berrangé <berrange@redhat.com> wrote:
> ping: anyone willing to give a review of this one
>
> On Wed, May 05, 2021 at 11:36:58AM +0100, Daniel P. Berrangé wrote:
>> The GDateTime APIs provided by GLib avoid portability pitfalls, such
>> as some platforms where 'struct timeval.tv_sec' field is still 'long'
>> instead of 'time_t'. When combined with automatic cleanup, GDateTime
>> often results in simpler code too.
>> 
>> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
>> ---
>>  hw/net/rocker/rocker.h | 11 +++--------
>>  1 file changed, 3 insertions(+), 8 deletions(-)
>> 
>> diff --git a/hw/net/rocker/rocker.h b/hw/net/rocker/rocker.h
>> index 941c932265..412fa44d01 100644
>> --- a/hw/net/rocker/rocker.h
>> +++ b/hw/net/rocker/rocker.h
>> @@ -25,14 +25,9 @@
>>  #if defined(DEBUG_ROCKER)
>>  #  define DPRINTF(fmt, ...) \
>>      do {                                                           \
>> -        struct timeval tv;                                         \
>> -        char timestr[64];                                          \
>> -        time_t now;                                                \
>> -        gettimeofday(&tv, NULL);                                   \
>> -        now = tv.tv_sec;                                           \
>> -        strftime(timestr, sizeof(timestr), "%T", localtime(&now)); \
>> -        fprintf(stderr, "%s.%06ld ", timestr, tv.tv_usec);         \
>> -        fprintf(stderr, "ROCKER: " fmt, ## __VA_ARGS__);           \
>> +        g_autoptr(GDateTime) now = g_date_time_new_now_local();    \
>> +        g_autofree char *nowstr = g_date_time_format(now, "%T.%f");\
>> +        fprintf(stderr, "%s ROCKER: " fmt, nowstr, ## __VA_ARGS__);\
>>      } while (0)
>>  #else
>>  static inline GCC_FMT_ATTR(1, 2) int DPRINTF(const char *fmt, ...)

Reviewed-by: Juan Quintela <quintela@redhat.com>