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2 Commits

Author SHA1 Message Date
Zygo Blaxell
ad11db2ee1 openat2: supply the missing definitions for building with old headers and new kernel 
Apparently Ubuntu 20 has upgraded to kernel 5.15, but still builds things
with 5.4 headers.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
 2025-01-19 22:20:06 -05:00
Zygo Blaxell
a9b07d7684 openat2: create a weak syscall wrapper for it 
openat2 allows closing more TOCTOU holes, but we can only use it when
the kernel supports it.

This should disappear seamlessly when libc implements the function.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
 2025-01-09 01:36:39 -05:00