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TurboPFor: TurboVByte - Variable byte

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2023-03-23 11:29:37 +01:00
parent 3421507f56
commit 47f550c9cc
1 changed files with 5 additions and 0 deletions
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5
lib/vint.c
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@ -37,6 +37,11 @@
#include "include_/bitutil_.h"
size_t vbbound8( size_t n) { return n; }
size_t vbbound16(size_t n) { return n*(2+1)+3; }
size_t vbbound32(size_t n) { return n*(4+1)+5; }
size_t vbbound64(size_t n) { return n*(8+1)+9; }
//----------------------------------------------------------------
#define OVERFLOWD(in,n,out) if(*in == 0xff) { memcpy(out, in+1, n*(USIZE/8)); return in+1+n*(USIZE/8); }
#define OVERFLOWE(in,n,out,op, _goto_) if(op+32 > out + (uint64_t)n*(USIZE/8)) { *out = 0xff; memcpy(out+1, in, n*(USIZE/8)); op = out+1+n*(USIZE/8); _goto_; }