The description of the function FcConfigGetCache states: "Returns the name of the file used to store per-user font information". But it returns a null pointer, while it should return the name of the cache file. The detailed bug description can be found at: http://linuxtesting.org/results/report?num=S0598
This is correct; fontconfig now no longer uses a per-user file to store font information, instead it stores all font information in per-directory files. I've updated the documentation to reflect the status of this function. 7c6939793b1691b4b950a856cdcd31f1e020b14a
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