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`std.Io.tty.Config.detect` may be an expensive check (e.g. involving
syscalls), and doing it every time we need to print isn't really
necessary; under normal usage, we can compute the value once and cache
it for the whole program's execution. Since anyone outputting to stderr
may reasonably want this information (in fact they are very likely to),
it makes sense to cache it and return it from `lockStderrWriter`. Call
sites who do not need it will experience no significant overhead, and
can just ignore the TTY config with a `const w, _` destructure.
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only thing remaining is using libc dns resolution when linking libc
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This is a little different from how C/C++ compilers do this, but I think it's
justified because it's what users actually *mean* when the use frame pointer
options.
This is another one of those LLVM "CPU" features that have nothing to do with
CPU at all and should really be a TargetMachine option or something. One day
we'll figure out a better way of dealing with these...
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Before, this had a subtle ordering bug where duplicate
deps that are specified as both lazy and eager in different
parts of the dependency tree end up not getting fetched
depending on the ordering. I modified it to resubmit lazy
deps that were promoted to eager for fetching so that it will
be around for the builds that expect it to be eager downstream
of this.
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std.Io: delete GenericReader, AnyReader, FixedBufferStream; and related API breakage
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Also, breaking API changes to:
* std.fs.Dir.readFileAlloc
* std.fs.Dir.readFileAllocOptions
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The default was changed in LLVM 21.
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and delete deprecated alias std.io
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std: more reliable HTTP and TLS networking
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This also makes initStreaming preemptively disable file size checking.
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see #24735
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This "get" is useless noise and was copied from FixedBufferWriter.
Since this API has not yet landed in a release, now is a good time
to make the breaking change to fix this.
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std.Io: delete BufferedWriter
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Progress towards #24732
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toss is only valid following a peek.
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The functions `Compilation.create` and `Compilation.update` previously
returned inferred error sets, which had built up a lot of crap over
time. This meant that certain error conditions -- particularly certain
filesystem errors -- were not being reported properly (at best the CLI
would just print the error name). This was also a problem in
sub-compilations, where at times only the error name -- which might just
be something like `LinkFailed` -- would be visible.
This commit makes the error handling here more disciplined by
introducing concrete error sets to these functions (and a few more as a
consequence). These error sets are small: errors in `update` are almost
all reported via compile errors, and errors in `create` are reported
through a new `Compilation.CreateDiagnostic` type, a tagged union of
possible error cases. This allows for better error reporting.
Sub-compilations also report errors more correctly in several cases,
leading to more informative errors in the case of compiler bugs.
Also fixes some race conditions in library building by replacing calls
to `setMiscFailure` with calls to `lockAndSetMiscFailure`. Compilation
of libraries such as libc happens on the thread pool, so the logic must
synchronize its access to shared `Compilation` state.
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* TLS: add missing assert for output buffer length requirement
* TLS: add missing flushes
* TLS: add flush implementation
* TLS: finish drain implementation
* HTTP: correct buffer sizes for TLS
* HTTP: expose a getReadError method on Connection
* HTTP: add missing flush on sendBodyComplete
* Fetch: remove unwanted deinit
* Fetch: improve error reporting
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it's not quite finished because I need to make it not copy the Resource
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zig fmt: canonicalize nested cast builtin order
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Closes #24686
As a bonus, this commit also makes the `git.zig` "testing `main`" compile again.
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Thanks Ian Johnson for finding these
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sorry, zip file creation has regressed because std lib no longer has a
deflate compression implementation
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fsync blocks until the contents have been actually written to disk,
which would be useful if we didn't want to report success until having
achieved durability. But the OS will ensure coherency; i.e. if one
process writes stuff without calling fsync, then another process reads
that stuff, the writes will be seen even if they didn't get flushed to
disk yet.
Since this code deals with ephemeral cache data, it's not worth trying
to achieve this kind of durability guarantee. This is consistent with
all the other tooling on the system.
Certainly, if we wanted to change our stance on this, it would not be
something that affects only the git fetching logic.
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This passes tests but it doesn't provide as big a window size as is
required to decompress larger streams.
The next commit in this branch will work towards that, without
introducing an additional buffer.
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it needs one or else it always asserts
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Alignment and fill options only apply to numbers.
Rework the implementation to mainly branch on the format string rather
than the type information. This is more straightforward to maintain and
more straightforward for comptime evaluation.
Enums support being printed as decimal, hexadecimal, octal, and binary.
`formatInteger` is another possible format method that is
unconditionally called when the value type is struct and one of the
integer-printing format specifiers are used.
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Introduces `std.fmt.alt` which is a helper for calling alternate format
methods besides one named "format".
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added adapter to AnyWriter and GenericWriter to help bridge the gap
between old and new API
make std.testing.expectFmt work at compile-time
std.fmt no longer has a dependency on std.unicode. Formatted printing
was never properly unicode-aware. Now it no longer pretends to be.
Breakage/deprecations:
* std.fs.File.reader -> std.fs.File.deprecatedReader
* std.fs.File.writer -> std.fs.File.deprecatedWriter
* std.io.GenericReader -> std.io.Reader
* std.io.GenericWriter -> std.io.Writer
* std.io.AnyReader -> std.io.Reader
* std.io.AnyWriter -> std.io.Writer
* std.fmt.format -> std.fmt.deprecatedFormat
* std.fmt.fmtSliceEscapeLower -> std.ascii.hexEscape
* std.fmt.fmtSliceEscapeUpper -> std.ascii.hexEscape
* std.fmt.fmtSliceHexLower -> {x}
* std.fmt.fmtSliceHexUpper -> {X}
* std.fmt.fmtIntSizeDec -> {B}
* std.fmt.fmtIntSizeBin -> {Bi}
* std.fmt.fmtDuration -> {D}
* std.fmt.fmtDurationSigned -> {D}
* {} -> {f} when there is a format method
* format method signature
- anytype -> *std.io.Writer
- inferred error set -> error{WriteFailed}
- options -> (deleted)
* std.fmt.Formatted
- now takes context type explicitly
- no fmt string
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