[ci skip] Clarify intention in phpdbg, removing one TODO comment #16014
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The point of WATCH_ON_BUCKET is to watch for all 3 fields of the bucket, so the fallthrough is intended.
Girgias
approved these changes
Sep 23, 2024
Girgias
reviewed
Sep 24, 2024
| case WATCH_ON_BUCKET: | ||
| if (memcmp(&((Bucket *) oldPtr)->h, &((Bucket *) newPtr)->h, sizeof(Bucket) - sizeof(zval) /* key/val comparison */) != 0) { | ||
| if (memcmp(&((Bucket *) oldPtr)->h, &((Bucket *) newPtr)->h, sizeof(Bucket) - sizeof(zval) /* hash+key comparison */) != 0) { | ||
| return 2; |
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Unrelated thing I just noticed, but the function says it returns bool but here it returns 2.
I am going to blame myself for not catching this when I probably changed the return type, but is the value of 2 important here?
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See https://heap.space/search?project=PHP-7.0&project=PHP-7.1&full=&defs=&refs=phpdbg_check_watch_diff&path=&hist=&type= (seems to have been irrelevant from the beginning).
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Yeah indeed it seems irrelevant, maybe it was intended at one point to be used to signal the bucket key has changed, but who knows.
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The point of WATCH_ON_BUCKET is to watch for all 3 fields of the bucket, so the fallthrough is intended.