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* [PATCH] canplayer: convert skipgap to unsigned long
@ 2015-04-09 21:01 Yegor Yefremov
  2015-04-10  9:29 ` Oliver Hartkopp
  0 siblings, 1 reply; 5+ messages in thread
From: Yegor Yefremov @ 2015-04-09 21:01 UTC (permalink / raw)
  To: linux-can; +Cc: Yegor Yefremov

The result of (last_log_tv.tv_sec - log_tv.tv_sec) is
unsigned long, so use labs() in order not to trim the
value to int. Make skipgap to unsigned long for the same
reason.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
---
 canplayer.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/canplayer.c b/canplayer.c
index f74668e..437ed4b 100644
--- a/canplayer.c
+++ b/canplayer.c
@@ -86,7 +86,7 @@ void print_usage(char *prg)
 		"send frames immediately)\n");
 	fprintf(stderr, "                      -g <ms>      (gap in milli "
 		"seconds - default: %d ms)\n", DEFAULT_GAP);
-	fprintf(stderr, "                      -s <s>      (skip gaps in "
+	fprintf(stderr, "                      -s <s>       (skip gaps in "
 		"timestamps > 's' seconds)\n");
 	fprintf(stderr, "                      -x           (disable local "
 		"loopback of sent CAN frames)\n");
@@ -241,7 +241,8 @@ int main(int argc, char **argv)
 	FILE *infile = stdin;
 	unsigned long gap = DEFAULT_GAP; 
 	int use_timestamps = 1;
-	static int verbose, opt, delay_loops, skipgap;
+	static int verbose, opt, delay_loops;
+	static unsigned long skipgap;
 	static int loopback_disable = 0;
 	static int infinite_loops = 0;
 	static int loops = DEFAULT_LOOPS;
@@ -482,7 +483,7 @@ int main(int argc, char **argv)
 					/* test for logfile timestamps jumping backwards OR      */
 					/* if the user likes to skip long gaps in the timestamps */
 					if ((last_log_tv.tv_sec > log_tv.tv_sec) ||
-					    (skipgap && abs(last_log_tv.tv_sec - log_tv.tv_sec) > skipgap))
+					    (skipgap && labs(last_log_tv.tv_sec - log_tv.tv_sec) > skipgap))
 						create_diff_tv(&today_tv, &diff_tv, &log_tv);
 
 					last_log_tv = log_tv;
-- 
2.1.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH] canplayer: convert skipgap to unsigned long
  2015-04-09 21:01 [PATCH] canplayer: convert skipgap to unsigned long Yegor Yefremov
@ 2015-04-10  9:29 ` Oliver Hartkopp
  2015-04-10  9:33   ` Yegor Yefremov
  0 siblings, 1 reply; 5+ messages in thread
From: Oliver Hartkopp @ 2015-04-10  9:29 UTC (permalink / raw)
  To: Yegor Yefremov, linux-can



On 09.04.2015 23:01, Yegor Yefremov wrote:
> The result of (last_log_tv.tv_sec - log_tv.tv_sec) is
> unsigned long, so use labs() in order not to trim the
> value to int. Make skipgap to unsigned long for the same
> reason.
>

Yes. And additionally

	skipgap = strtoul(optarg, NULL, 10);

should have pointed me to use unsigned long m)

Thanks Yegor!

Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>

Regards,
Oliver

> Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
> ---
>   canplayer.c | 7 ++++---
>   1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/canplayer.c b/canplayer.c
> index f74668e..437ed4b 100644
> --- a/canplayer.c
> +++ b/canplayer.c
> @@ -86,7 +86,7 @@ void print_usage(char *prg)
>   		"send frames immediately)\n");
>   	fprintf(stderr, "                      -g <ms>      (gap in milli "
>   		"seconds - default: %d ms)\n", DEFAULT_GAP);
> -	fprintf(stderr, "                      -s <s>      (skip gaps in "
> +	fprintf(stderr, "                      -s <s>       (skip gaps in "
>   		"timestamps > 's' seconds)\n");
>   	fprintf(stderr, "                      -x           (disable local "
>   		"loopback of sent CAN frames)\n");
> @@ -241,7 +241,8 @@ int main(int argc, char **argv)
>   	FILE *infile = stdin;
>   	unsigned long gap = DEFAULT_GAP;
>   	int use_timestamps = 1;
> -	static int verbose, opt, delay_loops, skipgap;
> +	static int verbose, opt, delay_loops;
> +	static unsigned long skipgap;
>   	static int loopback_disable = 0;
>   	static int infinite_loops = 0;
>   	static int loops = DEFAULT_LOOPS;
> @@ -482,7 +483,7 @@ int main(int argc, char **argv)
>   					/* test for logfile timestamps jumping backwards OR      */
>   					/* if the user likes to skip long gaps in the timestamps */
>   					if ((last_log_tv.tv_sec > log_tv.tv_sec) ||
> -					    (skipgap && abs(last_log_tv.tv_sec - log_tv.tv_sec) > skipgap))
> +					    (skipgap && labs(last_log_tv.tv_sec - log_tv.tv_sec) > skipgap))
>   						create_diff_tv(&today_tv, &diff_tv, &log_tv);
>
>   					last_log_tv = log_tv;
>

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] canplayer: convert skipgap to unsigned long
  2015-04-10  9:29 ` Oliver Hartkopp
@ 2015-04-10  9:33   ` Yegor Yefremov
  2015-04-10  9:37     ` Oliver Hartkopp
  0 siblings, 1 reply; 5+ messages in thread
From: Yegor Yefremov @ 2015-04-10  9:33 UTC (permalink / raw)
  To: Oliver Hartkopp; +Cc: linux-can@vger.kernel.org

On Fri, Apr 10, 2015 at 11:29 AM, Oliver Hartkopp
<socketcan@hartkopp.net> wrote:
>
>
> On 09.04.2015 23:01, Yegor Yefremov wrote:
>>
>> The result of (last_log_tv.tv_sec - log_tv.tv_sec) is
>> unsigned long, so use labs() in order not to trim the
>> value to int. Make skipgap to unsigned long for the same
>> reason.
>>
>
> Yes. And additionally
>
>         skipgap = strtoul(optarg, NULL, 10);
>
> should have pointed me to use unsigned long m)

Btw. should we initialize skipgap with 0?

>
> Thanks Yegor!
>
> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
>
> Regards,
> Oliver
>
>
>> Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
>> ---
>>   canplayer.c | 7 ++++---
>>   1 file changed, 4 insertions(+), 3 deletions(-)
>>
>> diff --git a/canplayer.c b/canplayer.c
>> index f74668e..437ed4b 100644
>> --- a/canplayer.c
>> +++ b/canplayer.c
>> @@ -86,7 +86,7 @@ void print_usage(char *prg)
>>                 "send frames immediately)\n");
>>         fprintf(stderr, "                      -g <ms>      (gap in milli
>> "
>>                 "seconds - default: %d ms)\n", DEFAULT_GAP);
>> -       fprintf(stderr, "                      -s <s>      (skip gaps in "
>> +       fprintf(stderr, "                      -s <s>       (skip gaps in
>> "
>>                 "timestamps > 's' seconds)\n");
>>         fprintf(stderr, "                      -x           (disable local
>> "
>>                 "loopback of sent CAN frames)\n");
>> @@ -241,7 +241,8 @@ int main(int argc, char **argv)
>>         FILE *infile = stdin;
>>         unsigned long gap = DEFAULT_GAP;
>>         int use_timestamps = 1;
>> -       static int verbose, opt, delay_loops, skipgap;
>> +       static int verbose, opt, delay_loops;
>> +       static unsigned long skipgap;
>>         static int loopback_disable = 0;
>>         static int infinite_loops = 0;
>>         static int loops = DEFAULT_LOOPS;
>> @@ -482,7 +483,7 @@ int main(int argc, char **argv)
>>                                         /* test for logfile timestamps
>> jumping backwards OR      */
>>                                         /* if the user likes to skip long
>> gaps in the timestamps */
>>                                         if ((last_log_tv.tv_sec >
>> log_tv.tv_sec) ||
>> -                                           (skipgap &&
>> abs(last_log_tv.tv_sec - log_tv.tv_sec) > skipgap))
>> +                                           (skipgap &&
>> labs(last_log_tv.tv_sec - log_tv.tv_sec) > skipgap))
>>                                                 create_diff_tv(&today_tv,
>> &diff_tv, &log_tv);
>>
>>                                         last_log_tv = log_tv;
>>
>

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] canplayer: convert skipgap to unsigned long
  2015-04-10  9:33   ` Yegor Yefremov
@ 2015-04-10  9:37     ` Oliver Hartkopp
  2015-04-10  9:37       ` Yegor Yefremov
  0 siblings, 1 reply; 5+ messages in thread
From: Oliver Hartkopp @ 2015-04-10  9:37 UTC (permalink / raw)
  To: Yegor Yefremov; +Cc: linux-can@vger.kernel.org

On 10.04.2015 11:33, Yegor Yefremov wrote:
> On Fri, Apr 10, 2015 at 11:29 AM, Oliver Hartkopp


>> Yes. And additionally
>>
>>          skipgap = strtoul(optarg, NULL, 10);
>>
>> should have pointed me to use unsigned long m)
>
> Btw. should we initialize skipgap with 0?
>

static unsigned long skipgap;
^^^^^^

Does it for you :-)



^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] canplayer: convert skipgap to unsigned long
  2015-04-10  9:37     ` Oliver Hartkopp
@ 2015-04-10  9:37       ` Yegor Yefremov
  0 siblings, 0 replies; 5+ messages in thread
From: Yegor Yefremov @ 2015-04-10  9:37 UTC (permalink / raw)
  To: Oliver Hartkopp; +Cc: linux-can@vger.kernel.org

On Fri, Apr 10, 2015 at 11:37 AM, Oliver Hartkopp
<socketcan@hartkopp.net> wrote:
> On 10.04.2015 11:33, Yegor Yefremov wrote:
>>
>> On Fri, Apr 10, 2015 at 11:29 AM, Oliver Hartkopp
>
>
>
>>> Yes. And additionally
>>>
>>>          skipgap = strtoul(optarg, NULL, 10);
>>>
>>> should have pointed me to use unsigned long m)
>>
>>
>> Btw. should we initialize skipgap with 0?
>>
>
> static unsigned long skipgap;
> ^^^^^^
>
> Does it for you :-)

You live, you learn :-)

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2015-04-10  9:38 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-04-09 21:01 [PATCH] canplayer: convert skipgap to unsigned long Yegor Yefremov
2015-04-10  9:29 ` Oliver Hartkopp
2015-04-10  9:33   ` Yegor Yefremov
2015-04-10  9:37     ` Oliver Hartkopp
2015-04-10  9:37       ` Yegor Yefremov

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