syscall: avoid "64"-postfixed libSystem syscalls on iOS
The stat(2) man page contain this comment about the 64-bit versions of the system file functions: "Platforms that were released after these updates only have the newer variants available to them. These platforms have the macro _DARWIN_FEATURE_ONLY_64_BIT_INODE defined." It turns out that on iOS the _DARWIN_FEATURE_ONLY_64_BIT_INODE is defined and that even though the "64"-postfixed versions are accessible they are deemed private. Apps that refer to private API are not admissible on App Store, and after the Go runtime started using libSystem instead of direct syscalls, the App Store submission checks reject apps built with Go tip. The fix is simple: use the non-postfixed versions on iOS. getdirentries(2) is not changed; it is not available at all on iOS and needs replacement. Updates #28984 Change-Id: Icb8d44e271456acaa1913ba486fcf5b569722fa9 Reviewed-on: https://go-review.googlesource.com/c/151938 Run-TryBot: Elias Naur <elias.naur@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org>
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