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Update comment for converting seconds to milliseconds #15

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Update comment for converting seconds to milliseconds #15

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8 changes: 7 additions & 1 deletion ngx_http_statsd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -195,7 +195,13 @@ ngx_http_statsd_metric_value(ngx_str_t *value)
return (ngx_uint_t) -1;
};

/* Hack to convert milliseconds to a number. */
/*
* Hack to convert a float into an integer.
*
* For values like $response_time, nginx reports them as a
* float in seconds with millisecond precision. e.g. 1.519,
* but statsd requires an integer to be sent.
*/
if (value->len > 4 && value->data[value->len - 4] == '.') {
n = ngx_atoi(value->data, value->len - 4);
m = ngx_atoi(value->data + (value->len - 3), 3);
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