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ffi-c-stat's Issues

Support higher resolition timestamps

Linux, FreeBSD and probably other support higher resolution timestamps in stat. It would be nice to expose them in this class. Caller can use can method to see if the higher resolution is available.

t/ffi_c_stat.t fails on FreeBSD systems

On newer FreeBSD systems (version 12, 13, 14) the test suite fails:

t/ffi_c_stat.t .. 1/?
# Failed test 'do a stat on a regular file'
# at t/ffi_c_stat.t line 30.
# +--------+------------------------+----+------------------------+--------+
# | PATH   | GOT                    | OP | CHECK                  | LNs    |
# +--------+------------------------+----+------------------------+--------+
# |        | FFI::C::Stat=SCALAR(0x |    | <OBJECT>               | 25, 29 |
# |        | 801bbe210)             |    |                        |        |
# |        |                        |    |                        |        |
# | dev()  | 12873038014975195776   | eq | -5573706058734355840   | 484    |
# | rdev() | 18446744073709551615   | eq | -1                     | 484    |
# +--------+------------------------+----+------------------------+--------+

# Failed test 'clone a stat'
# at t/ffi_c_stat.t line 40.
# +--------+------------------------+----+------------------------+--------+
# | PATH   | GOT                    | OP | CHECK                  | LNs    |
# +--------+------------------------+----+------------------------+--------+
# |        | FFI::C::Stat=SCALAR(0x |    | <OBJECT>               | 35, 39 |
# |        | 801bbe4c8)             |    |                        |        |
# |        |                        |    |                        |        |
# | dev()  | 12873038014975195776   | eq | -5573706058734355840   | 484    |
# | rdev() | 18446744073709551615   | eq | -1                     | 484    |
# +--------+------------------------+----+------------------------+--------+
... etc ...

However, I think FFI::C::Stat is correct here. Calling the stat utility on the test file outputs the following:

$ stat -r corpus/xx.txt
12873038014975195776 6165556 0100644 1 1023 1023 18446744073709551615 3 1622313704 1622155269 1622313704 1622155269 4096 9 2048 corpus/xx.txt

So my interpretation is that perl's stat is broken.

FreeBSD seems to use 64 bits for dev and rdev now. This changed either in version 11 or 12; on my FreeBSD 9 and 10 smokers the test suite passes, and I don't have 11 available.

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