1 files changed, 0 insertions, 201 deletions
diff --git a/ext/lsm1/lsm_varint.c b/ext/lsm1/lsm_varint.c
deleted file mode 100644
index f690e3b06..000000000
--- a/ext/lsm1/lsm_varint.c
+++ /dev/null
@@ -1,201 +0,0 @@
-
-/*
-** 2012-02-08
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-*************************************************************************
-**
-** SQLite4-compatible varint implementation.
-*/
-#include "lsmInt.h"
-
-/*************************************************************************
-** The following is a copy of the varint.c module from SQLite 4.
-*/
-
-/*
-** Decode the varint in z[].  Write the integer value into *pResult and
-** return the number of bytes in the varint.
-*/
-static int lsmSqlite4GetVarint64(const unsigned char *z, u64 *pResult){
-  unsigned int x;
-  if( z[0]<=240 ){
-    *pResult = z[0];
-    return 1;
-  }
-  if( z[0]<=248 ){
-    *pResult = (z[0]-241)*256 + z[1] + 240;
-    return 2;
-  }
-  if( z[0]==249 ){
-    *pResult = 2288 + 256*z[1] + z[2];
-    return 3;
-  }
-  if( z[0]==250 ){
-    *pResult = (z[1]<<16) + (z[2]<<8) + z[3];
-    return 4;
-  }
-  x = (z[1]<<24) + (z[2]<<16) + (z[3]<<8) + z[4];
-  if( z[0]==251 ){
-    *pResult = x;
-    return 5;
-  }
-  if( z[0]==252 ){
-    *pResult = (((u64)x)<<8) + z[5];
-    return 6;
-  }
-  if( z[0]==253 ){
-    *pResult = (((u64)x)<<16) + (z[5]<<8) + z[6];
-    return 7;
-  }
-  if( z[0]==254 ){
-    *pResult = (((u64)x)<<24) + (z[5]<<16) + (z[6]<<8) + z[7];
-    return 8;
-  }
-  *pResult = (((u64)x)<<32) +
-               (0xffffffff & ((z[5]<<24) + (z[6]<<16) + (z[7]<<8) + z[8]));
-  return 9;
-}
-
-/*
-** Write a 32-bit unsigned integer as 4 big-endian bytes.
-*/
-static void lsmVarintWrite32(unsigned char *z, unsigned int y){
-  z[0] = (unsigned char)(y>>24);
-  z[1] = (unsigned char)(y>>16);
-  z[2] = (unsigned char)(y>>8);
-  z[3] = (unsigned char)(y);
-}
-
-/*
-** Write a varint into z[].  The buffer z[] must be at least 9 characters
-** long to accommodate the largest possible varint.  Return the number of
-** bytes of z[] used.
-*/
-static int lsmSqlite4PutVarint64(unsigned char *z, u64 x){
-  unsigned int w, y;
-  if( x<=240 ){
-    z[0] = (unsigned char)x;
-    return 1;
-  }
-  if( x<=2287 ){
-    y = (unsigned int)(x - 240);
-    z[0] = (unsigned char)(y/256 + 241);
-    z[1] = (unsigned char)(y%256);
-    return 2;
-  }
-  if( x<=67823 ){
-    y = (unsigned int)(x - 2288);
-    z[0] = 249;
-    z[1] = (unsigned char)(y/256);
-    z[2] = (unsigned char)(y%256);
-    return 3;
-  }
-  y = (unsigned int)x;
-  w = (unsigned int)(x>>32);
-  if( w==0 ){
-    if( y<=16777215 ){
-      z[0] = 250;
-      z[1] = (unsigned char)(y>>16);
-      z[2] = (unsigned char)(y>>8);
-      z[3] = (unsigned char)(y);
-      return 4;
-    }
-    z[0] = 251;
-    lsmVarintWrite32(z+1, y);
-    return 5;
-  }
-  if( w<=255 ){
-    z[0] = 252;
-    z[1] = (unsigned char)w;
-    lsmVarintWrite32(z+2, y);
-    return 6;
-  }
-  if( w<=32767 ){
-    z[0] = 253;
-    z[1] = (unsigned char)(w>>8);
-    z[2] = (unsigned char)w;
-    lsmVarintWrite32(z+3, y);
-    return 7;
-  }
-  if( w<=16777215 ){
-    z[0] = 254;
-    z[1] = (unsigned char)(w>>16);
-    z[2] = (unsigned char)(w>>8);
-    z[3] = (unsigned char)w;
-    lsmVarintWrite32(z+4, y);
-    return 8;
-  }
-  z[0] = 255;
-  lsmVarintWrite32(z+1, w);
-  lsmVarintWrite32(z+5, y);
-  return 9;
-}
-
-/*
-** End of SQLite 4 code.
-*************************************************************************/
-
-int lsmVarintPut64(u8 *aData, i64 iVal){
-  return lsmSqlite4PutVarint64(aData, (u64)iVal);
-}
-
-int lsmVarintGet64(const u8 *aData, i64 *piVal){
-  return lsmSqlite4GetVarint64(aData, (u64 *)piVal);
-}
-
-int lsmVarintPut32(u8 *aData, int iVal){
-  return lsmSqlite4PutVarint64(aData, (u64)iVal);
-}
-
-int lsmVarintGet32(u8 *z, int *piVal){
-  u64 i;
-  int ret;
-
-  if( z[0]<=240 ){
-    *piVal = z[0];
-    return 1;
-  }
-  if( z[0]<=248 ){
-    *piVal = (z[0]-241)*256 + z[1] + 240;
-    return 2;
-  }
-  if( z[0]==249 ){
-    *piVal = 2288 + 256*z[1] + z[2];
-    return 3;
-  }
-  if( z[0]==250 ){
-    *piVal = (z[1]<<16) + (z[2]<<8) + z[3];
-    return 4;
-  }
-
-  ret = lsmSqlite4GetVarint64(z, &i);
-  *piVal = (int)i;
-  return ret;
-}
-
-int lsmVarintLen32(int n){
-  u8 aData[9];
-  return lsmVarintPut32(aData, n);
-}
-
-int lsmVarintLen64(i64 n){
-  u8 aData[9];
-  return lsmVarintPut64(aData, n);
-}
-
-/*
-** The argument is the first byte of a varint. This function returns the
-** total number of bytes in the entire varint (including the first byte).
-*/
-int lsmVarintSize(u8 c){
-  if( c<241 ) return 1;
-  if( c<249 ) return 2;
-  return (int)(c - 246);
-}