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Also, breaking API changes to:
* std.fs.Dir.readFileAlloc
* std.fs.Dir.readFileAllocOptions
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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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* 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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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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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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preparing to rearrange std.io namespace into an interface
how to upgrade:
std.io.getStdIn() -> std.fs.File.stdin()
std.io.getStdOut() -> std.fs.File.stdout()
std.io.getStdErr() -> std.fs.File.stderr()
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Closes: #24098
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zig build: Handle empty hashes in build.zig.zon
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we can more simply use quotes instead
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`--fetch` flag now has additional optional parameter, which specifies
how lazy dependencies should be fetched:
* `needed` — lazy dependencies are fetched only if they are required
for current build configuration to work. Default and works same
as old `--fetch` flag.
* `all` — lazy dependencies are always fetched. If `--system` flag
is used after that, it's guaranteed that **any** build configuration
will not require additional download of dependencies during build.
Helpful for distro packagers and CI systems:
https://www.github.com/ziglang/zig/issues/14597#issuecomment-1426827495
If none is passed, behaviour is same as if `needed` was passed.
Signed-off-by: Eric Joldasov <bratishkaerik@landless-city.net>
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improve type safety of std.zig.Ast
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Fetch: enhance Mach-O executable detection for modern Macs
closes #21044
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This commits adds the following distinct integer types to std.zig.Ast:
- OptionalTokenIndex
- TokenOffset
- OptionalTokenOffset
- Node.OptionalIndex
- Node.Offset
- Node.OptionalOffset
The `Node.Index` type has also been converted to a distinct type while
`TokenIndex` remains unchanged.
`Ast.Node.Data` has also been changed to a (untagged) union to provide
safety checks.
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Closes #23076
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mainly this addresses the following use case:
1. Someone creates a template with build.zig.zon, id field included
(note that zig init does not create this problem since it generates
fresh id every time it runs).
2. User A uses the template, changing package name to "example" but not
id field.
3. User B uses the same template, changing package name also to
"example", also not changing the id field.
Here, both packages have unintentional conflicting logical ids.
By making the field a combination of name checksum + random id, this
accident is avoided. "nonce" is an OK name for this.
Also relaxes errors on remote packages when using `zig fetch`.
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Introduces the `id` field to `build.zig.zon`.
Together with name, this represents a globally unique package
identifier. This field should be initialized with a 16-bit random number
when the package is first created, and then *never change*. This allows
Zig to unambiguously detect when one package is an updated version of
another.
When forking a Zig project, this id should be regenerated with a new
random number if the upstream project is still maintained. Otherwise,
the fork is *hostile*, attempting to take control over the original
project's identity.
`0x0000` is invalid because it obviously means a random number wasn't
used.
`0xffff` is reserved to represent "naked" packages.
Tracking issue #14288
Additionally:
* Fix bad path in error messages regarding build.zig.zon file.
* Manifest validates that `name` and `version` field of build.zig.zon
are maximum 32 bytes.
* Introduce error for root package to not switch to enum literal for
name.
* Introduce error for root package to omit `id`.
* Update init template to generate `id`
* Update init template to populate `minimum_zig_version`.
* New package hash format changes:
- name and version limited to 32 bytes via error rather than truncation
- truncate sha256 to 192 bits rather than 40 bits
- include the package id
This means that, given only the package hashes for a complete dependency
tree, it is possible to perform version selection and know the final
size on disk, without doing any fetching whatsoever. This prevents
wasted bandwidth since package versions not selected do not need to be
fetched.
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This branch regressed from master by switching to binary rather than hex
digest, allowing null bytes to end up in identifiers in the zig file.
This commit fixes it by changing the "hash" to be literally equal to the
sub_path (with a prefix '/' to indicate "global") if it can fit. If it
is too long then it is actually hashed, and that value used instead.
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legacy format is also supported.
closes #20178
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* fix merge conflicts
* rename the declarations
* reword documentation
* extract FixedBufferAllocator to separate file
* take advantage of locals
* remove the assertion about max alignment in Allocator API, leaving it
Allocator implementation defined
* fix non-inline function call in start logic
The GeneralPurposeAllocator implementation is totally broken because it
uses global state but I didn't address that in this commit.
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heap.zig: define new default page sizes
heap.zig: add min/max_page_size and their options
lib/std/c: add miscellaneous declarations
heap.zig: add pageSize() and its options
switch to new page sizes, especially in GPA/stdlib
mem.zig: remove page_size
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