- add guards for use of prealloc_exp in SegmentedList
- define prealloc_exp even when invalid because std.fmt comptime
triggers lazy-init
- fix std.fmt to print arrays of length 0 as style "[0]<typename>"
because "<typename>@address" is n/a without address
now if DESTDIR is provided then the default install prefix is /usr.
otherwise the default install prefix is still zig-cache directly.
DESTDIR is prepended to the prefix to match what make install does.
on a simple test input:
original utf8ToUtf16Le: elapsed: 111384483 ns (111 ms)
new utf8ToUtf16Le: elapsed: 138570 ns (0 ms)
it's 800x faster in debug mode and ~4500x faster in release-fast mode.
this was slowing down installation of files on windows in build scripts.
also start prefering NtDll API. so far:
* NtQueryInformationFile
* NtClose
adds a performance workaround for windows unicode conversion. but that
should probably be removed before merging
This moves the installation of shipped source files from large
CMakeLists.txt lists to zig build recursive directory installation.
On my computer a cmake `make install` takes 2.4 seconds even when it has
to do nothing, and prints a lot of unnecessary lines to stdout that say
"up-to-date: [some file it is installing]".
After this commit, the default output of `make` is down to 1
second, and it does not print any junk to stdout. Further, a `make
install` is no longer required and `make` is sufficient.
This closes#2874.
It also closes#2585. `make` now always invokes `zig build` for
installing files and libuserland.a, and zig's own caching system makes
that go fast.
the linux syscall treats this argument as having type int, so passing
extremely long buffer sizes would be misinterpreted by the kernel.
since "short reads" are always acceptable, just cap it down.
patch based on musl commit 3d178a7e2b75066593fbd5705742c5808395d90d
