Re: [PATCH v6 3/5] libtraceevent: Improve tep_print_field()

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On Thu, 12 Aug 2021 11:59:27 +0300
"Yordan Karadzhov (VMware)" <y.karadz@xxxxxxxxx> wrote:

> The existing method tep_print_fields() gets upgraded to use the
> printing formats provided by the tokens.
> 
> Suggested-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
> Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@xxxxxxxxx>
> ---
>  src/event-parse.c | 115 +++++++++++++++++++++++++++++++++++-----------
>  1 file changed, 87 insertions(+), 28 deletions(-)
> 
> diff --git a/src/event-parse.c b/src/event-parse.c
> index 02ec677..ff7337f 100644
> --- a/src/event-parse.c
> +++ b/src/event-parse.c
> @@ -3913,7 +3913,6 @@ eval_num_arg(void *data, int size, struct tep_event *event, struct tep_print_arg
>  			arg->field.field = tep_find_any_field(event, arg->field.name);
>  			if (!arg->field.field)
>  				goto out_warning_field;
> -			
>  		}
>  		/* must be a number */
>  		val = tep_read_number(tep, data + arg->field.field->offset,
> @@ -5326,8 +5325,8 @@ static int is_printable_array(char *p, unsigned int len)
>  	return 1;
>  }
>  
> -void tep_print_field(struct trace_seq *s, void *data,
> -		     struct tep_format_field *field)
> +static void tep_print_field_raw(struct trace_seq *s, void *data,
> +			     struct tep_format_field *field)

As this is static, lets call it just "print_field_raw()" as the "tep_"
prefix should be reserved for the API only.

We may need to clean up any existing static function that start with
"tep_", but that can be a separate patch (if any exist, I haven't
looked). But let's not add new ones.

-- Steve



>  {
>  	struct tep_handle *tep = field->event->tep;
>  	unsigned int offset, len, i;
> @@ -5389,6 +5388,56 @@ void tep_print_field(struct trace_seq *s, void *data,
>  	}
>  }
>  
> +static int print_parse_data(struct tep_print_parse *parse, struct trace_seq *s,
> +			    void *data, int size, struct tep_event *event);
> +
> +void tep_print_field(struct trace_seq *s, void *data,
> +		     struct tep_format_field *field)
> +{
> +	struct tep_event *event = field->event;
> +	struct tep_print_parse *parse;
> +	bool has_0x;
> +
> +



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