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(parent: 410da3a) | patch
cgit.c: Do not restore unset environment variables
authorLukas Fleischer <cgit@cryptocrack.de>
Wed, 10 Apr 2013 10:30:52 +0000 (12:30 +0200)
committerJason A. Donenfeld <Jason@zx2c4.com>
Wed, 10 Apr 2013 11:46:30 +0000 (13:46 +0200)
commit8d8e84e72a24f474a6659ca04d0906723b2ac975
tree60942d045a435c87284da5a21df7be407e7c7978tree | snapshot
parent410da3ac1cdb002116c08f143ce82534897ede27commit | diff
cgit.c: Do not restore unset environment variables

getenv() returns a NULL pointer if the specified variable name cannot be
found in the environment. However, some setenv() implementations crash
if a NULL pointer is passed as second argument. Only restore variables
that are not NULL.

See commit d96d2c98ebc4c2d3765f5b35c4142e0e828a421b for a related patch.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
cgit.c diff | blob | history
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