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| author | Lukas Fleischer <cgit@cryptocrack.de> | 2011-09-14 11:52:43 +0200 |
|---|---|---|
| committer | Lars Hjemli <hjemli@gmail.com> | 2012-01-03 14:59:36 +0000 |
| commit | d96d2c98ebc4c2d3765f5b35c4142e0e828a421b (patch) | |
| tree | 72e2ed0fd0dd949d400cf4b35f9496571488a2eb /cache.h | |
| parent | shared.c: Remove unused "linux/limits.h" include (diff) | |
| download | cgit-pink-d96d2c98ebc4c2d3765f5b35c4142e0e828a421b.tar.gz cgit-pink-d96d2c98ebc4c2d3765f5b35c4142e0e828a421b.zip | |
shared.c: Only setenv() if value is non-null
Some setenv() implementations (e.g. the one in OpenBSD's stdlib) segfault if we pass a NULL value. Only set environment variables if the corresponding settings are defined to avoid this. Note that this is a minor behaviour change as environment variables were supposed to be set to an empty string if a setting was undefined. Given that this feature isn't part of any official release yet, there's no need to worry about backwards compatibility, really. Change the documentation accordingly. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
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