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authorSeebs <seebs@seebs.net>2018-03-31 11:59:20 -0500
committerSeebs <seebs@seebs.net>2018-03-31 11:59:20 -0500
commit4057859ec03ac04a31eb28d2275961f6019c8ae1 (patch)
tree504ba916143f104edff32150372149831596a2b8 /ChangeLog.txt
parentf0fa9fba3c53bf4f87f33b47a583cb031b962d34 (diff)
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don't change errno in pseudo_fix_path
Two issues: (1) pseudo_fix_path could call lstat("") which generated ENOENT, (2) some people, and I'm totally not staring intently at cross-localedef here, don't know that it is in general *not* valid to check errno unless an operation has failed, and the mere fact that something set errno does not mean that the error indicated actually occurred or has any relevance to you. Nonetheless, pseudo_fix_path now saves and restores errno, and cross-localedef can just go ahead and check it as though it were guaranteed not to sometimes get set even though no error occurred. Signed-off-by: Seebs <seebs@seebs.net>
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diff --git a/ChangeLog.txt b/ChangeLog.txt
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@@ -1,3 +1,10 @@
+2018-03-31:
+ * (seebs) keep pseudo_fix_path from changing errno, because
+ *some* people think they should check errno to find out
+ whether an error occurred, even if no call has returned
+ a status indicating an error, and this is completely wrong
+ but we can't fix them all.
+
2018-03-30:
* (seebs) fix path stuff more thoroughly.
* (seebs) Merge suggested README change from Richard Tollerton