tree-wide: remove Emacs lines from all files This should be handled fine now by .dir-locals.el, so need to carry that stuff in every file.

util-lib: split string parsing related calls from util.[ch] into parse-util.[ch]

util-lib: split out fd-related operations into fd-util.[ch] There are more than enough to deserve their own .c file, hence move them over.

util: rework rm_rf() logic - Move to its own file rm-rf.c - Change parameters into a single flags parameter - Remove "honour sticky" logic, it's unused these days

test: warn if we could not parse the loop count argument Found by coverity. Fixes: CID#1237512

Always prefer our headers to system headers In practice this shouldn't make much difference, but sometimes our headers might be newer, and we want to test them.

tests: add a program for repetitive opening and closing of the journal Basically wraps an example provided by George McCollister. Should help with leaks in the future.