[Tile-serving] [osm2pgsql] when posix_fallocate fails to allocate node cache space, no proper error message is given (#55)

[Frederik Ramm]

node_persistent_cache.c tests for a non-zero return value from posix_fallocate but then relies on errno being set; posics_fallocate however does *not* set errno; instead the return value must be interpreted for determining the cause of error.

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Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/issues/55
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