fix(deps): update module github.com/klauspost/compress to v1.18.4 (main) (#20743)

Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

cmd/chunks-inspect/go.mod

@@ -6,7 +6,7 @@ toolchain go1.24.0
 
 require (
 	github.com/golang/snappy v1.0.0
-	github.com/klauspost/compress v1.18.3
+	github.com/klauspost/compress v1.18.4
 	github.com/pierrec/lz4 v2.6.1+incompatible
 )
 

cmd/chunks-inspect/go.sum

@@ -4,8 +4,8 @@ github.com/golang/snappy v1.0.0 h1:Oy607GVXHs7RtbggtPBnr2RmDArIsAefDwvrdWvRhGs=
 github.com/golang/snappy v1.0.0/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/klauspost/compress v1.18.3 h1:9PJRvfbmTabkOX8moIpXPbMMbYN60bWImDDU7L+/6zw=
-github.com/klauspost/compress v1.18.3/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
+github.com/klauspost/compress v1.18.4 h1:RPhnKRAQ4Fh8zU2FY/6ZFDwTVTxgJ/EMydqSTzE9a2c=
+github.com/klauspost/compress v1.18.4/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=

go.mod

@@ -65,7 +65,7 @@ require (
 	github.com/jmespath/go-jmespath v0.4.0
 	github.com/joncrlsn/dque v0.0.0-20211108142734-c2ef48c5192a
 	github.com/json-iterator/go v1.1.12
-	github.com/klauspost/compress v1.18.3
+	github.com/klauspost/compress v1.18.4
 	github.com/klauspost/pgzip v1.2.6
 	github.com/leodido/go-syslog/v4 v4.3.0
 	github.com/mattn/go-ieproxy v0.0.12

go.sum

@@ -779,8 +779,8 @@ github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/klauspost/asmfmt v1.3.2 h1:4Ri7ox3EwapiOjCki+hw14RyKk201CN4rzyCJRFLpK4=
 github.com/klauspost/asmfmt v1.3.2/go.mod h1:AG8TuvYojzulgDAMCnYn50l/5QV3Bs/tp6j0HLHbNSE=
-github.com/klauspost/compress v1.18.3 h1:9PJRvfbmTabkOX8moIpXPbMMbYN60bWImDDU7L+/6zw=
-github.com/klauspost/compress v1.18.3/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
+github.com/klauspost/compress v1.18.4 h1:RPhnKRAQ4Fh8zU2FY/6ZFDwTVTxgJ/EMydqSTzE9a2c=
+github.com/klauspost/compress v1.18.4/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/klauspost/cpuid/v2 v2.0.1/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
 github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=

vendor/github.com/klauspost/compress/README.md

@@ -7,7 +7,7 @@ This package provides various compression algorithms.
 * Optimized [deflate](https://godoc.org/github.com/klauspost/compress/flate) packages which can be used as a dropin replacement for [gzip](https://godoc.org/github.com/klauspost/compress/gzip), [zip](https://godoc.org/github.com/klauspost/compress/zip) and [zlib](https://godoc.org/github.com/klauspost/compress/zlib).
 * [snappy](https://github.com/klauspost/compress/tree/master/snappy) is a drop-in replacement for `github.com/golang/snappy` offering better compression and concurrent streams.
 * [huff0](https://github.com/klauspost/compress/tree/master/huff0) and [FSE](https://github.com/klauspost/compress/tree/master/fse) implementations for raw entropy encoding.
-* [gzhttp](https://github.com/klauspost/compress/tree/master/gzhttp) Provides client and server wrappers for handling gzipped requests efficiently.
+* [gzhttp](https://github.com/klauspost/compress/tree/master/gzhttp) Provides client and server wrappers for handling gzipped/zstd HTTP requests efficiently.
 * [pgzip](https://github.com/klauspost/pgzip) is a separate package that provides a very fast parallel gzip implementation.
 
 [![Go Reference](https://pkg.go.dev/badge/klauspost/compress.svg)](https://pkg.go.dev/github.com/klauspost/compress?tab=subdirectories)
@@ -26,8 +26,14 @@ This package will support the current Go version and 2 versions back.
 Use the links above for more information on each.
 
 # changelog
+* Jan 16th, 2026 [1.18.3](https://github.com/klauspost/compress/releases/tag/v1.18.3)
+	* Downstream CVE-2025-61728. See [golang/go#77102](https://github.com/golang/go/issues/77102).
 
-* Oct 20, 2025 - [1.18.1](https://github.com/klauspost/compress/releases/tag/v1.18.1)
+* Dec 1st, 2025 - [1.18.2](https://github.com/klauspost/compress/releases/tag/v1.18.2)
+	* flate: Fix invalid encoding on level 9 with single value input in https://github.com/klauspost/compress/pull/1115
+	* flate: reduce stateless allocations by @RXamzin in https://github.com/klauspost/compress/pull/1106
+
+* Oct 20, 2025 - [1.18.1](https://github.com/klauspost/compress/releases/tag/v1.18.1) - RETRACTED
   * zstd: Add simple zstd EncodeTo/DecodeTo functions  https://github.com/klauspost/compress/pull/1079
   * zstd: Fix incorrect buffer size in dictionary encodes https://github.com/klauspost/compress/pull/1059
   * s2: check for cap, not len of buffer in EncodeBetter/Best by @vdarulis in https://github.com/klauspost/compress/pull/1080
@@ -603,7 +609,7 @@ While the release has been extensively tested, it is recommended to testing when
 
 # deflate usage
 
-The packages are drop-in replacements for standard libraries. Simply replace the import path to use them:
+The packages are drop-in replacements for standard library [deflate](https://godoc.org/github.com/klauspost/compress/flate), [gzip](https://godoc.org/github.com/klauspost/compress/gzip), [zip](https://godoc.org/github.com/klauspost/compress/zip), and [zlib](https://godoc.org/github.com/klauspost/compress/zlib). Simply replace the import path to use them:
 
 Typical speed is about 2x of the standard library packages.
 
@@ -614,17 +620,15 @@ Typical speed is about 2x of the standard library packages.
 | `archive/zip`    | `github.com/klauspost/compress/zip`   | [zip](https://pkg.go.dev/github.com/klauspost/compress/zip?tab=doc)     |
 | `compress/flate` | `github.com/klauspost/compress/flate` | [flate](https://pkg.go.dev/github.com/klauspost/compress/flate?tab=doc) |
 
-* Optimized [deflate](https://godoc.org/github.com/klauspost/compress/flate) packages which can be used as a dropin replacement for [gzip](https://godoc.org/github.com/klauspost/compress/gzip), [zip](https://godoc.org/github.com/klauspost/compress/zip) and [zlib](https://godoc.org/github.com/klauspost/compress/zlib).
+You may also be interested in [pgzip](https://github.com/klauspost/pgzip), which is a drop-in replacement for gzip, which support multithreaded compression on big files and the optimized [crc32](https://github.com/klauspost/crc32) package used by these packages.
 
-You may also be interested in [pgzip](https://github.com/klauspost/pgzip), which is a drop in replacement for gzip, which support multithreaded compression on big files and the optimized [crc32](https://github.com/klauspost/crc32) package used by these packages.
-
-The packages contains the same as the standard library, so you can use the godoc for that: [gzip](http://golang.org/pkg/compress/gzip/), [zip](http://golang.org/pkg/archive/zip/),  [zlib](http://golang.org/pkg/compress/zlib/), [flate](http://golang.org/pkg/compress/flate/).
+The packages implement the same API as the standard library, so you can use the original godoc documentation: [gzip](http://golang.org/pkg/compress/gzip/), [zip](http://golang.org/pkg/archive/zip/), [zlib](http://golang.org/pkg/compress/zlib/), [flate](http://golang.org/pkg/compress/flate/).
 
 Currently there is only minor speedup on decompression (mostly CRC32 calculation).
 
 Memory usage is typically 1MB for a Writer. stdlib is in the same range. 
 If you expect to have a lot of concurrently allocated Writers consider using 
-the stateless compress described below.
+the stateless compression described below.
 
 For compression performance, see: [this spreadsheet](https://docs.google.com/spreadsheets/d/1nuNE2nPfuINCZJRMt6wFWhKpToF95I47XjSsc-1rbPQ/edit?usp=sharing).
 
@@ -684,3 +688,6 @@ Here are other packages of good quality and pure Go (no cgo wrappers or autoconv
 
 This code is licensed under the same conditions as the original Go code. See LICENSE file.
 
+
+
+

vendor/github.com/klauspost/compress/zstd/decoder.go

@@ -39,9 +39,6 @@ type Decoder struct {
 
 	frame *frameDec
 
-	// Custom dictionaries.
-	dicts map[uint32]*dict
-
 	// streamWg is the waitgroup for all streams
 	streamWg sync.WaitGroup
 }
@@ -101,12 +98,10 @@ func NewReader(r io.Reader, opts ...DOption) (*Decoder, error) {
 		d.current.err = ErrDecoderNilInput
 	}
 
-	// Transfer option dicts.
-	d.dicts = make(map[uint32]*dict, len(d.o.dicts))
-	for _, dc := range d.o.dicts {
-		d.dicts[dc.id] = dc
+	// Initialize dict map if needed.
+	if d.o.dicts == nil {
+		d.o.dicts = make(map[uint32]*dict)
 	}
-	d.o.dicts = nil
 
 	// Create decoders
 	d.decoders = make(chan *blockDec, d.o.concurrent)
@@ -238,6 +233,21 @@ func (d *Decoder) Reset(r io.Reader) error {
 	return nil
 }
 
+// ResetWithOptions will reset the decoder and apply the given options
+// for the next stream or DecodeAll operation.
+// Options are applied on top of the existing options.
+// Some options cannot be changed on reset and will return an error.
+func (d *Decoder) ResetWithOptions(r io.Reader, opts ...DOption) error {
+	d.o.resetOpt = true
+	defer func() { d.o.resetOpt = false }()
+	for _, o := range opts {
+		if err := o(&d.o); err != nil {
+			return err
+		}
+	}
+	return d.Reset(r)
+}
+
 // drainOutput will drain the output until errEndOfStream is sent.
 func (d *Decoder) drainOutput() {
 	if d.current.cancel != nil {
@@ -930,7 +940,7 @@ decodeStream:
 }
 
 func (d *Decoder) setDict(frame *frameDec) (err error) {
-	dict, ok := d.dicts[frame.DictionaryID]
+	dict, ok := d.o.dicts[frame.DictionaryID]
 	if ok {
 		if debugDecoder {
 			println("setting dict", frame.DictionaryID)

vendor/github.com/klauspost/compress/zstd/decoder_options.go

@@ -20,10 +20,11 @@ type decoderOptions struct {
 	concurrent      int
 	maxDecodedSize  uint64
 	maxWindowSize   uint64
-	dicts           []*dict
+	dicts           map[uint32]*dict
 	ignoreChecksum  bool
 	limitToCap      bool
 	decodeBufsBelow int
+	resetOpt        bool
 }
 
 func (o *decoderOptions) setDefault() {
@@ -42,8 +43,15 @@ func (o *decoderOptions) setDefault() {
 
 // WithDecoderLowmem will set whether to use a lower amount of memory,
 // but possibly have to allocate more while running.
+// Cannot be changed with ResetWithOptions.
 func WithDecoderLowmem(b bool) DOption {
-	return func(o *decoderOptions) error { o.lowMem = b; return nil }
+	return func(o *decoderOptions) error {
+		if o.resetOpt && b != o.lowMem {
+			return errors.New("WithDecoderLowmem cannot be changed on Reset")
+		}
+		o.lowMem = b
+		return nil
+	}
 }
 
 // WithDecoderConcurrency sets the number of created decoders.
@@ -53,18 +61,23 @@ func WithDecoderLowmem(b bool) DOption {
 // inflight blocks.
 // When decoding streams and setting maximum to 1,
 // no async decoding will be done.
+// The value supplied must be at least 0.
 // When a value of 0 is provided GOMAXPROCS will be used.
 // By default this will be set to 4 or GOMAXPROCS, whatever is lower.
+// Cannot be changed with ResetWithOptions.
 func WithDecoderConcurrency(n int) DOption {
 	return func(o *decoderOptions) error {
 		if n < 0 {
-			return errors.New("concurrency must be at least 1")
+			return errors.New("concurrency must be at least 0")
 		}
+		newVal := n
 		if n == 0 {
-			o.concurrent = runtime.GOMAXPROCS(0)
-		} else {
-			o.concurrent = n
+			newVal = runtime.GOMAXPROCS(0)
 		}
+		if o.resetOpt && newVal != o.concurrent {
+			return errors.New("WithDecoderConcurrency cannot be changed on Reset")
+		}
+		o.concurrent = newVal
 		return nil
 	}
 }
@@ -73,6 +86,7 @@ func WithDecoderConcurrency(n int) DOption {
 // non-streaming operations or maximum window size for streaming operations.
 // This can be used to control memory usage of potentially hostile content.
 // Maximum is 1 << 63 bytes. Default is 64GiB.
+// Can be changed with ResetWithOptions.
 func WithDecoderMaxMemory(n uint64) DOption {
 	return func(o *decoderOptions) error {
 		if n == 0 {
@@ -92,16 +106,20 @@ func WithDecoderMaxMemory(n uint64) DOption {
 // "zstd --train" from the Zstandard reference implementation.
 //
 // If several dictionaries with the same ID are provided, the last one will be used.
+// Can be changed with ResetWithOptions.
 //
 // [dictionary format]: https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#dictionary-format
 func WithDecoderDicts(dicts ...[]byte) DOption {
 	return func(o *decoderOptions) error {
+		if o.dicts == nil {
+			o.dicts = make(map[uint32]*dict)
+		}
 		for _, b := range dicts {
 			d, err := loadDict(b)
 			if err != nil {
 				return err
 			}
-			o.dicts = append(o.dicts, d)
+			o.dicts[d.id] = d
 		}
 		return nil
 	}
@@ -109,12 +127,16 @@ func WithDecoderDicts(dicts ...[]byte) DOption {
 
 // WithDecoderDictRaw registers a dictionary that may be used by the decoder.
 // The slice content can be arbitrary data.
+// Can be changed with ResetWithOptions.
 func WithDecoderDictRaw(id uint32, content []byte) DOption {
 	return func(o *decoderOptions) error {
 		if bits.UintSize > 32 && uint(len(content)) > dictMaxLength {
 			return fmt.Errorf("dictionary of size %d > 2GiB too large", len(content))
 		}
-		o.dicts = append(o.dicts, &dict{id: id, content: content, offsets: [3]int{1, 4, 8}})
+		if o.dicts == nil {
+			o.dicts = make(map[uint32]*dict)
+		}
+		o.dicts[id] = &dict{id: id, content: content, offsets: [3]int{1, 4, 8}}
 		return nil
 	}
 }
@@ -124,6 +146,7 @@ func WithDecoderDictRaw(id uint32, content []byte) DOption {
 // The Decoder will likely allocate more memory based on the WithDecoderLowmem setting.
 // If WithDecoderMaxMemory is set to a lower value, that will be used.
 // Default is 512MB, Maximum is ~3.75 TB as per zstandard spec.
+// Can be changed with ResetWithOptions.
 func WithDecoderMaxWindow(size uint64) DOption {
 	return func(o *decoderOptions) error {
 		if size < MinWindowSize {
@@ -141,6 +164,7 @@ func WithDecoderMaxWindow(size uint64) DOption {
 // or any size set in WithDecoderMaxMemory.
 // This can be used to limit decoding to a specific maximum output size.
 // Disabled by default.
+// Can be changed with ResetWithOptions.
 func WithDecodeAllCapLimit(b bool) DOption {
 	return func(o *decoderOptions) error {
 		o.limitToCap = b
@@ -153,17 +177,37 @@ func WithDecodeAllCapLimit(b bool) DOption {
 // This typically uses less allocations but will have the full decompressed object in memory.
 // Note that DecodeAllCapLimit will disable this, as well as giving a size of 0 or less.
 // Default is 128KiB.
+// Cannot be changed with ResetWithOptions.
 func WithDecodeBuffersBelow(size int) DOption {
 	return func(o *decoderOptions) error {
+		if o.resetOpt && size != o.decodeBufsBelow {
+			return errors.New("WithDecodeBuffersBelow cannot be changed on Reset")
+		}
 		o.decodeBufsBelow = size
 		return nil
 	}
 }
 
 // IgnoreChecksum allows to forcibly ignore checksum checking.
+// Can be changed with ResetWithOptions.
 func IgnoreChecksum(b bool) DOption {
 	return func(o *decoderOptions) error {
 		o.ignoreChecksum = b
 		return nil
 	}
 }
+
+// WithDecoderDictDelete removes dictionaries by ID.
+// If no ids are passed, all dictionaries are deleted.
+// Should be used with ResetWithOptions.
+func WithDecoderDictDelete(ids ...uint32) DOption {
+	return func(o *decoderOptions) error {
+		if len(ids) == 0 {
+			clear(o.dicts)
+		}
+		for _, id := range ids {
+			delete(o.dicts, id)
+		}
+		return nil
+	}
+}

vendor/github.com/klauspost/compress/zstd/encoder.go

@@ -131,6 +131,22 @@ func (e *Encoder) Reset(w io.Writer) {
 	s.frameContentSize = 0
 }
 
+// ResetWithOptions will re-initialize the writer and apply the given options
+// as a new, independent stream.
+// Options are applied on top of the existing options.
+// Some options cannot be changed on reset and will return an error.
+func (e *Encoder) ResetWithOptions(w io.Writer, opts ...EOption) error {
+	e.o.resetOpt = true
+	defer func() { e.o.resetOpt = false }()
+	for _, o := range opts {
+		if err := o(&e.o); err != nil {
+			return err
+		}
+	}
+	e.Reset(w)
+	return nil
+}
+
 // ResetContentSize will reset and set a content size for the next stream.
 // If the bytes written does not match the size given an error will be returned
 // when calling Close().

vendor/github.com/klauspost/compress/zstd/encoder_options.go

@@ -14,6 +14,7 @@ type EOption func(*encoderOptions) error
 
 // options retains accumulated state of multiple options.
 type encoderOptions struct {
+	resetOpt        bool
 	concurrent      int
 	level           EncoderLevel
 	single          *bool
@@ -71,19 +72,28 @@ func (o encoderOptions) encoder() encoder {
 
 // WithEncoderCRC will add CRC value to output.
 // Output will be 4 bytes larger.
+// Can be changed with ResetWithOptions.
 func WithEncoderCRC(b bool) EOption {
 	return func(o *encoderOptions) error { o.crc = b; return nil }
 }
 
 // WithEncoderConcurrency will set the concurrency,
 // meaning the maximum number of encoders to run concurrently.
-// The value supplied must be at least 1.
+// The value supplied must be at least 0.
+// When a value of 0 is provided GOMAXPROCS will be used.
 // For streams, setting a value of 1 will disable async compression.
 // By default this will be set to GOMAXPROCS.
+// Cannot be changed with ResetWithOptions.
 func WithEncoderConcurrency(n int) EOption {
 	return func(o *encoderOptions) error {
-		if n <= 0 {
-			return fmt.Errorf("concurrency must be at least 1")
+		if n < 0 {
+			return errors.New("concurrency must at least 0")
+		}
+		if n == 0 {
+			n = runtime.GOMAXPROCS(0)
+		}
+		if o.resetOpt && n != o.concurrent {
+			return errors.New("WithEncoderConcurrency cannot be changed on Reset")
 		}
 		o.concurrent = n
 		return nil
@@ -95,6 +105,7 @@ func WithEncoderConcurrency(n int) EOption {
 // A larger value will enable better compression but allocate more memory and,
 // for above-default values, take considerably longer.
 // The default value is determined by the compression level and max 8MB.
+// Cannot be changed with ResetWithOptions.
 func WithWindowSize(n int) EOption {
 	return func(o *encoderOptions) error {
 		switch {
@@ -105,6 +116,9 @@ func WithWindowSize(n int) EOption {
 		case (n & (n - 1)) != 0:
 			return errors.New("window size must be a power of 2")
 		}
+		if o.resetOpt && n != o.windowSize {
+			return errors.New("WithWindowSize cannot be changed on Reset")
+		}
 
 		o.windowSize = n
 		o.customWindow = true
@@ -122,6 +136,7 @@ func WithWindowSize(n int) EOption {
 // n must be > 0 and <= 1GB, 1<<30 bytes.
 // The padded area will be filled with data from crypto/rand.Reader.
 // If `EncodeAll` is used with data already in the destination, the total size will be multiple of this.
+// Can be changed with ResetWithOptions.
 func WithEncoderPadding(n int) EOption {
 	return func(o *encoderOptions) error {
 		if n <= 0 {
@@ -215,12 +230,16 @@ func (e EncoderLevel) String() string {
 }
 
 // WithEncoderLevel specifies a predefined compression level.
+// Cannot be changed with ResetWithOptions.
 func WithEncoderLevel(l EncoderLevel) EOption {
 	return func(o *encoderOptions) error {
 		switch {
 		case l <= speedNotSet || l >= speedLast:
 			return fmt.Errorf("unknown encoder level")
 		}
+		if o.resetOpt && l != o.level {
+			return errors.New("WithEncoderLevel cannot be changed on Reset")
+		}
 		o.level = l
 		if !o.customWindow {
 			switch o.level {
@@ -248,6 +267,7 @@ func WithEncoderLevel(l EncoderLevel) EOption {
 // WithZeroFrames will encode 0 length input as full frames.
 // This can be needed for compatibility with zstandard usage,
 // but is not needed for this package.
+// Can be changed with ResetWithOptions.
 func WithZeroFrames(b bool) EOption {
 	return func(o *encoderOptions) error {
 		o.fullZero = b
@@ -259,6 +279,7 @@ func WithZeroFrames(b bool) EOption {
 // Disabling this will skip incompressible data faster, but in cases with no matches but
 // skewed character distribution compression is lost.
 // Default value depends on the compression level selected.
+// Can be changed with ResetWithOptions.
 func WithAllLitEntropyCompression(b bool) EOption {
 	return func(o *encoderOptions) error {
 		o.customALEntropy = true
@@ -270,6 +291,7 @@ func WithAllLitEntropyCompression(b bool) EOption {
 // WithNoEntropyCompression will always skip entropy compression of literals.
 // This can be useful if content has matches, but unlikely to benefit from entropy
 // compression. Usually the slight speed improvement is not worth enabling this.
+// Can be changed with ResetWithOptions.
 func WithNoEntropyCompression(b bool) EOption {
 	return func(o *encoderOptions) error {
 		o.noEntropy = b
@@ -287,6 +309,7 @@ func WithNoEntropyCompression(b bool) EOption {
 // This is only a recommendation, each decoder is free to support higher or lower limits, depending on local limitations.
 // If this is not specified, block encodes will automatically choose this based on the input size and the window size.
 // This setting has no effect on streamed encodes.
+// Can be changed with ResetWithOptions.
 func WithSingleSegment(b bool) EOption {
 	return func(o *encoderOptions) error {
 		o.single = &b
@@ -298,8 +321,12 @@ func WithSingleSegment(b bool) EOption {
 // slower encoding speed.
 // This will not change the window size which is the primary function for reducing
 // memory usage. See WithWindowSize.
+// Cannot be changed with ResetWithOptions.
 func WithLowerEncoderMem(b bool) EOption {
 	return func(o *encoderOptions) error {
+		if o.resetOpt && b != o.lowMem {
+			return errors.New("WithLowerEncoderMem cannot be changed on Reset")
+		}
 		o.lowMem = b
 		return nil
 	}
@@ -311,6 +338,7 @@ func WithLowerEncoderMem(b bool) EOption {
 // "zstd --train" from the Zstandard reference implementation.
 //
 // The encoder *may* choose to use no dictionary instead for certain payloads.
+// Can be changed with ResetWithOptions.
 //
 // [dictionary format]: https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#dictionary-format
 func WithEncoderDict(dict []byte) EOption {
@@ -328,6 +356,7 @@ func WithEncoderDict(dict []byte) EOption {
 //
 // The slice content may contain arbitrary data. It will be used as an initial
 // history.
+// Can be changed with ResetWithOptions.
 func WithEncoderDictRaw(id uint32, content []byte) EOption {
 	return func(o *encoderOptions) error {
 		if bits.UintSize > 32 && uint(len(content)) > dictMaxLength {
@@ -337,3 +366,12 @@ func WithEncoderDictRaw(id uint32, content []byte) EOption {
 		return nil
 	}
 }
+
+// WithEncoderDictDelete clears the dictionary, so no dictionary will be used.
+// Should be used with ResetWithOptions.
+func WithEncoderDictDelete() EOption {
+	return func(o *encoderOptions) error {
+		o.dict = nil
+		return nil
+	}
+}

vendor/modules.txt

@@ -1427,7 +1427,7 @@ github.com/kamstrup/intmap
 ## explicit; go 1.16
 github.com/klauspost/asmfmt
 github.com/klauspost/asmfmt/cmd/asmfmt
-# github.com/klauspost/compress v1.18.3
+# github.com/klauspost/compress v1.18.4
 ## explicit; go 1.23
 github.com/klauspost/compress
 github.com/klauspost/compress/flate