fightwarn - fix how we work with enums#907
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jimklimov merged 3 commits intonetworkupstools:masterfrom Nov 27, 2020
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Note: everything not covered before this PR got aliased into default cases. I do not know the hardware and models to rule this out otherwise, possibly assignments of binary and/or smart protocol (lack of?) support are now wrong.
…ge, especially when for no reason other than to have an un-used initial value
jimklimov
commented
Nov 26, 2020
| case TRIPP_LITE_OMNIVS: | ||
| case TRIPP_LITE_OMNIVS_2001: | ||
| case TRIPP_LITE_UNKNOWN: | ||
| default: |
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Input from Tripplite HW/spec specialists would be welcome here...
jimklimov
commented
Nov 26, 2020
| case TRIPP_LITE_OMNIVS: | ||
| case TRIPP_LITE_OMNIVS_2001: | ||
| case TRIPP_LITE_UNKNOWN: | ||
| default: |
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Input from Tripplite HW/spec specialists would be welcome here...
jimklimov
commented
Nov 26, 2020
| case TRIPP_LITE_OMNIVS_2001: | ||
| case TRIPP_LITE_UNKNOWN: | ||
| default: | ||
| upslogx(LOG_ERR, "control_outlet unimplemented for protocol %04x", tl_model); |
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Input from Tripplite HW/spec specialists would be welcome here...
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Merging as a little-impacting change at this time, but hoping Tripplite experts in particular would revise this recent state of codebase vs. actual hardware models. |
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Follows from efforts at #823 / #844 to squash as many bugs and "fishy coding" warnings found by newest compilers.
This PR is separated from the stream of others since it addresses a common theme - that a few
switch()cases reacting to values of anenumdid not cover all options listed in that enum - so something might end up not handled intentionally and just fell through default handling.In case of
powerpdriver below, such change is trivial - there were two options in enum, so one handled already and other "obviously" same asdefault.The case of
tripplite_usbworries me more, since there are 6 options and just a small subset of these were handled initially, to state support of binary or smart protocol, and to control outlets. While the change to spell out the previously not listed options as aliases intodefaultcase does not change the practical outcome compared to older builds, a domain expert would be beneficial to check the actual support per model/protocol and maybe shuffle the lines to match actual hardware capabilities correctly.Comments in code imply there might be more options in reality (e.g. a "Add model 3004?"), revising and adding those to the driver would also be nice.
More so that it seems Tripplite support is a focus point enough that a vendor representative is active in the NUT mailing list.
One case was also of needlessly pre-assigning an invalid out-of-range value (that we did not use anyway, reassigned in code below that to functions' returns first).
Merging this PR should not change NUT behavior compared to existing codebase; it was exposed to focus attention of experts who might update the drivers in future PRs.