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Hopefully fix TOCTOU by calling fopen() before stat() At least this should prevent Coverity to complain about it: CID 1090346 (#1 of 1): Time of check time of use (TOCTOU) fs_check_call: Calling function "stat(char const *, struct stat *)" to perform check on "filename". toctou: Calling function "fopen(char const * restrict, char const * restrict)" that uses "filename" after a check function. This can cause a time-of-check, time-of-use race condition. Note that it seems pretty hard to avoid completely: https://en.wikipedia.org/wiki/Time_of_check_to_time_of_use#Preventing_TOCTTOU