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authorLennart Poettering <lennart@poettering.net>2015-05-13 17:42:10 +0200
committerLennart Poettering <lennart@poettering.net>2015-05-13 17:42:10 +0200
commit1d13f648d0fade38194db74b4f82ca68c8a26856 (patch)
treeb85c22b0007e0c8c6e612b8c9f5606bcd84f0451 /src/journal
parent8b44a3d22c1fdfc5ce5fcb77e38a90ec02ba8019 (diff)
util: add generic calls for prefixing a root directory to a path
So far a number of utilities implemented their own calls for this, unify them in prefix_root() and prefix_roota(). The former uses heap memory, the latter allocates from the stack via alloca(). Port over most users of a --root= logic.
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