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.zst, .br: avoid setting of size hint for unknown size by -si, since unpackSize will be supplied as -1 (UINT64_MAX)

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This commit is contained in:
sebres
2023-09-14 19:51:36 +02:00
parent 8a5e1c82db
commit 1eca571ea2
3 changed files with 5 additions and 4 deletions
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4
C/zstdmt/brotli-mt_compress.c
View File

@@ -383,7 +383,7 @@ static size_t st_compress(void *arg)
/* 0, or not specified by user; could be chosen by compressor. */
uint32_t lgwin = 24 /* DEFAULT_LGWIN */;
/* Use file size to limit lgwin. */
if (ctx->unpackSize >= 0) {
if (ctx->unpackSize >= 0 && ctx->unpackSize != (uint64_t)(int64_t)-1) {
lgwin = BROTLI_MIN_WINDOW_BITS;
while (BROTLI_MAX_BACKWARD_LIMIT(lgwin) <
(uint64_t)ctx->unpackSize) {
@@ -393,7 +393,7 @@ static size_t st_compress(void *arg)
}
BrotliEncoderSetParameter(state, BROTLI_PARAM_LGWIN, lgwin);
}
if (ctx->unpackSize > 0) {
if (ctx->unpackSize > 0 && ctx->unpackSize != (uint64_t)(int64_t)-1) {
uint32_t size_hint = ctx->unpackSize < (1 << 30) ?
(uint32_t)ctx->unpackSize : (1u << 30);
BrotliEncoderSetParameter(state, BROTLI_PARAM_SIZE_HINT, size_hint);

3
CPP/7zip/Compress/BrotliEncoder.cpp
View File

@@ -15,7 +15,8 @@ CEncoder::CEncoder():
_numThreads(NWindows::NSystem::GetNumberOfProcessors()),
_Long(-1),
_WindowLog(-1),
_ctx(NULL)
_ctx(NULL),
unpackSize(0)
{
_props.clear();
}

2
CPP/7zip/Compress/ZstdEncoder.cpp
View File

@@ -263,7 +263,7 @@ STDMETHODIMP CEncoder::Code(ISequentialInStream *inStream,
if (ZSTD_isError(err)) return E_INVALIDARG;
}
if (unpackSize) {
if (unpackSize && unpackSize != (UInt64)(Int64)-1) { // size is known
err = ZSTD_CCtx_setParameter(_ctx, ZSTD_c_srcSizeHint, (int)(unpackSize <= INT_MAX ? unpackSize : INT_MAX));
if (ZSTD_isError(err)) return E_INVALIDARG;
}