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authorRich Felker <dalias@aerifal.cx>2019-07-18 21:46:33 -0400
committerRich Felker <dalias@aerifal.cx>2019-07-18 21:46:33 -0400
commitdfc81828f7ab41da08f744c44117a1bb20a05749 (patch)
tree98f334767e4e146b96ba40dc5f094528003a18e9 /src/stat/stat.c
parent67bf602f14249ff1757c54f071faa3f778279c02 (diff)
downloadmusl-dfc81828f7ab41da08f744c44117a1bb20a05749.tar.gz
implement fstatat with SYS_statx, conditional on undersized kstat time
this commit adds a new backend for fstatat (and thereby the whole stat family) using the SYS_statx syscall, but conditions the new code on the kernel stat structure's time fields being smaller than time_t. in principle that should make it all dead code at present, but mips64 has a broken stat structure with 32-bit time fields despite having 64-bit time_t elsewhere, so on mips64 it is a functional change that makes post-Y2038 filesystem timestamps accessible. whenever the 32-bit archs end up getting 64-bit time_t, regardless of how that happens, the changes in this commit will automatically take effect for them too.
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