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feat(fileio): move buffer helpers to Rust

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Route file-I/O input/output buffer construction and the LZ4 block-size mapping through Rust ABI leaves while preserving the existing C helper names and public buffer layouts. Add layout, field, and formula coverage.

Test Plan: cargo test --manifest-path rust/cli/Cargo.toml --no-default-features --features cli,compression,decompression,benchmark; cargo clippy --manifest-path rust/cli/Cargo.toml --all-targets --no-default-features --features cli,compression,decompression,benchmark; make -B -C programs -j2 zstd zstd-small zstd-frugal; make -B -C tests -j2 test-cli-tests
This commit is contained in:
ddidderr
2026-07-18 03:54:20 +02:00
parent 429d5176e9
commit 309e227731
2 changed files with 142 additions and 7 deletions
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programs/fileio.c
+11 -7
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@@ -309,6 +309,11 @@ static int FIO_shouldDisplayMultipleFileSummary(FIO_ctx_t const* fCtx)
int FIO_rust_checkFilenameCollisions(const char** filenameTable, unsigned nbFiles);
unsigned FIO_rust_highbit64(unsigned long long v);
unsigned long long FIO_rust_getLargestFileSize(const char** inFileNames, unsigned nbFiles);
void FIO_rust_setInBuffer(ZSTD_inBuffer* output, const void* buf, size_t s, size_t pos);
void FIO_rust_setOutBuffer(ZSTD_outBuffer* output, void* buf, size_t s, size_t pos);
#ifdef ZSTD_LZ4COMPRESS
int FIO_rust_LZ4_GetBlockSize_FromBlockId(int id);
#endif
/*-*************************************
@@ -792,18 +797,14 @@ static int FIO_multiFilesConcatWarning(const FIO_ctx_t* fCtx, FIO_prefs_t* prefs
static ZSTD_inBuffer setInBuffer(const void* buf, size_t s, size_t pos)
{
ZSTD_inBuffer i;
i.src = buf;
i.size = s;
i.pos = pos;
FIO_rust_setInBuffer(&i, buf, s, pos);
return i;
}
static ZSTD_outBuffer setOutBuffer(void* buf, size_t s, size_t pos)
{
ZSTD_outBuffer o;
o.dst = buf;
o.size = s;
o.pos = pos;
FIO_rust_setOutBuffer(&o, buf, s, pos);
return o;
}
@@ -1140,7 +1141,10 @@ FIO_compressLzmaFrame(cRess_t* ress,
#define LZ4F_max64KB max64KB
#endif
static int FIO_LZ4_GetBlockSize_FromBlockId (int id) { return (1 << (8 + (2 * id))); }
static int FIO_LZ4_GetBlockSize_FromBlockId (int id)
{
return FIO_rust_LZ4_GetBlockSize_FromBlockId(id);
}
static unsigned long long
FIO_compressLz4Frame(cRess_t* ress,