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Date: Sun, 13 Mar 2016 21:53:47 +0300
From: Alexander Monakov <amonakov@...ras.ru>
To: musl@...ts.openwall.com
Subject: [PATCH 0/3] env functions overhaul
Hello,
recently, fixing benign UB in unsetenv unearthed bigger issues in putenv, and
prompted an overhaul. I still have to improve env testing on libc-test side,
but I think I'm done with code tuning on the musl side, and pretty happy with
the result. Patches 2 and 3 are followups to stuff discussed on IRC; I feel
they are not essential. Patch 1 is the overhaul itself. I hope that new code
is easy to follow. It should also improve code size nicely; on x86-64 I got
(.text size change after patch 1/3 only; .bss grows by one pointer):
text text filename
17 17 obj/src/env/clearenv.o
140 97 obj/src/env/getenv.o
491 334 obj/src/env/putenv.o
215 284 obj/src/env/setenv.o
283 140 obj/src/env/unsetenv.o
Thanks.
Alexander
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