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authorDan McGee <dan@archlinux.org>2011-06-14 17:01:08 +0200
committerDan McGee <dan@archlinux.org>2011-06-14 17:01:08 +0200
commitee015f086f3c40390659bbc0129b7c08ffd0ed5f (patch)
treeb2ba33041450fd5c5fb226649b88534fdac60ff1 /scripts/.gitignore
parentbe972767358e6dfbb08686555d8e2c0176a55106 (diff)
downloadpacman-ee015f086f3c40390659bbc0129b7c08ffd0ed5f.tar.gz
pacman-ee015f086f3c40390659bbc0129b7c08ffd0ed5f.tar.xz
Ensure handle is valid and pm_errno is reset when calling into API
We didn't do due diligence before and ensure prior pm_errno values weren't influencing what happened in further ALPM calls. I observed one case of early setup code setting pm_errno to PM_ERR_WRONG_ARGS and that flag persisting the entire time we were calling library code. Add a new CHECK_HANDLE() macro that does two things: 1) ensures the handle variable passed to it is non-NULL and 2) clears any existing pm_errno flag set on the handle. This macro can replace many places we used the ASSERT(handle != NULL, ...) pattern before. Several other other places only need a simple 'set to zero' of the pm_errno field. Signed-off-by: Dan McGee <dan@archlinux.org>
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