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Added new field PackHeader::overlap_overhead.

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committer: mfx <mfx> 978190533 +0000
This commit is contained in:
Markus F.X.J. Oberhumer
2000-12-30 15:35:33 +00:00
parent 85bebf0b43
commit a8177201ef
21 changed files with 139 additions and 114 deletions
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src/packer.h
+13 -9
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@@ -87,6 +87,9 @@ public:
unsigned max_run_found;
unsigned first_offset_found;
//unsigned same_match_offsets_found;
// info fields set by Packer::compressWithFilters()
unsigned overlap_overhead;
};
@@ -158,24 +161,25 @@ protected:
virtual bool checkFinalCompressionRatio(const OutputFile *fo) const;
// high-level compression drivers
void compressWithFilters(Filter *ft, unsigned *overlapoh,
void compressWithFilters(Filter *ft,
const unsigned overlap_range,
int strategy = -1, const int *filters = NULL,
int strategy,
const int *filters = NULL,
unsigned max_offset = 0, unsigned max_match = 0,
unsigned filter_buf_off = 0,
unsigned compress_buf_off = 0);
// util for verifying overlapping decompresion
// non-destructive test
bool testOverlappingDecompression(const upx_bytep buf,
unsigned overlap_overhead) const;
virtual bool testOverlappingDecompression(const upx_bytep buf,
unsigned overlap_overhead) const;
// non-destructive find
unsigned findOverlapOverhead(const upx_bytep buf,
unsigned range = 0,
unsigned upper_limit = ~0u) const;
virtual unsigned findOverlapOverhead(const upx_bytep buf,
unsigned range = 0,
unsigned upper_limit = ~0u) const;
// destructive decompress + verify
void verifyOverlappingDecompression(MemBuffer *buf,
unsigned overlap_overhead);
virtual void verifyOverlappingDecompression(MemBuffer *buf,
unsigned overlap_overhead);
// packheader handling