rs485test: some small improvements for the tool - #33
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When using the tool with e.g. /dev/serial/by-id/... pathnames, then the limit of 64 byte might be too less space. Increase it by using the pre-defined PATH_MAX define. Signed-off-by: Michael Heimpold <michael.heimpold@chargebyte.com>
Using the unchecked value can lead to out-of-bound access. Signed-off-by: Michael Heimpold <michael.heimpold@chargebyte.com>
If - for some reason - the calls fail, then exit immediately. Signed-off-by: Michael Heimpold <michael.heimpold@chargebyte.com>
Signed-off-by: Michael Heimpold <michael.heimpold@chargebyte.com>
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This are some small improvements, including version bump to 0.3.