Upgrade versions of vendored libs
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29
vendor/github.com/DataDog/zstd/zstd_ctx.go
generated
vendored
29
vendor/github.com/DataDog/zstd/zstd_ctx.go
generated
vendored
@@ -24,6 +24,15 @@ type Ctx interface {
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// prevent allocation. If it is too small, or if nil is passed, a new buffer
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// will be allocated and returned.
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Decompress(dst, src []byte) ([]byte, error)
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// DecompressInto decompresses src into dst. Unlike Decompress, DecompressInto
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// requires that dst be sufficiently large to hold the decompressed payload.
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// DecompressInto may be used when the caller knows the size of the decompressed
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// payload before attempting decompression.
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//
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// It returns the number of bytes copied and an error if any is encountered. If
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// dst is too small, DecompressInto errors.
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DecompressInto(dst, src []byte) (int, error)
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}
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type ctx struct {
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@@ -104,14 +113,7 @@ func (c *ctx) Decompress(dst, src []byte) ([]byte, error) {
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dst = make([]byte, bound)
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}
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written := int(C.ZSTD_decompressDCtx(
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c.dctx,
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unsafe.Pointer(&dst[0]),
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C.size_t(len(dst)),
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unsafe.Pointer(&src[0]),
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C.size_t(len(src))))
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err := getError(written)
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written, err := c.DecompressInto(dst, src)
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if err == nil {
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return dst[:written], nil
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}
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@@ -125,6 +127,17 @@ func (c *ctx) Decompress(dst, src []byte) ([]byte, error) {
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return ioutil.ReadAll(r)
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}
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func (c *ctx) DecompressInto(dst, src []byte) (int, error) {
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written := int(C.ZSTD_decompressDCtx(
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c.dctx,
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unsafe.Pointer(&dst[0]),
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C.size_t(len(dst)),
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unsafe.Pointer(&src[0]),
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C.size_t(len(src))))
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err := getError(written)
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return written, err
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}
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func finalizeCtx(c *ctx) {
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C.ZSTD_freeCCtx(c.cctx)
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C.ZSTD_freeDCtx(c.dctx)
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