[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/ext/misc/compress.c

Index: third_party/sqlite/sqlite-src-3080704/ext/misc/compress.c
diff --git a/third_party/sqlite/sqlite-src-3080704/ext/misc/compress.c b/third_party/sqlite/sqlite-src-3080704/ext/misc/compress.c
deleted file mode 100644
index a4059116c9e4c981b1345fca9bb9c0edf35dcb4b..0000000000000000000000000000000000000000
--- a/third_party/sqlite/sqlite-src-3080704/ext/misc/compress.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
-** 2014-06-13
-**
-** 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.
-**
-******************************************************************************
-**
-** This SQLite extension implements SQL compression functions
-** compress() and uncompress() using ZLIB.
-*/
-#include "sqlite3ext.h"
-SQLITE_EXTENSION_INIT1
-#include <zlib.h>
-
-/*
-** Implementation of the "compress(X)" SQL function.  The input X is
-** compressed using zLib and the output is returned.
-**
-** The output is a BLOB that begins with a variable-length integer that
-** is the input size in bytes (the size of X before compression).  The
-** variable-length integer is implemented as 1 to 5 bytes.  There are
-** seven bits per integer stored in the lower seven bits of each byte.
-** More significant bits occur first.  The most significant bit (0x80)
-** is a flag to indicate the end of the integer.
-*/
-static void compressFunc(
-  sqlite3_context *context,
-  int argc,
-  sqlite3_value **argv
-){
-  const unsigned char *pIn;
-  unsigned char *pOut;
-  unsigned int nIn;
-  unsigned long int nOut;
-  unsigned char x[8];
-  int i, j;
-
-  pIn = sqlite3_value_blob(argv[0]);
-  nIn = sqlite3_value_bytes(argv[0]);
-  nOut = 13 + nIn + (nIn+999)/1000;
-  pOut = sqlite3_malloc( nOut+5 );
-  for(i=4; i>=0; i--){
-    x[i] = (nIn >> (7*(4-i)))&0x7f;
-  }
-  for(i=0; i<4 && x[i]==0; i++){}
-  for(j=0; i<=4; i++, j++) pOut[j] = x[i];
-  pOut[j-1] |= 0x80;
-  compress(&pOut[j], &nOut, pIn, nIn);
-  sqlite3_result_blob(context, pOut, nOut+j, sqlite3_free);
-}
-
-/*
-** Implementation of the "uncompress(X)" SQL function.  The argument X
-** is a blob which was obtained from compress(Y).  The output will be
-** the value Y.
-*/
-static void uncompressFunc(
-  sqlite3_context *context,
-  int argc,
-  sqlite3_value **argv
-){
-  const unsigned char *pIn;
-  unsigned char *pOut;
-  unsigned int nIn;
-  unsigned long int nOut;
-  int rc;
-  int i;
-
-  pIn = sqlite3_value_blob(argv[0]);
-  nIn = sqlite3_value_bytes(argv[0]);
-  nOut = 0;
-  for(i=0; i<nIn && i<5; i++){
-    nOut = (nOut<<7) | (pIn[i]&0x7f);
-    if( (pIn[i]&0x80)!=0 ){ i++; break; }
-  }
-  pOut = sqlite3_malloc( nOut+1 );
-  rc = uncompress(pOut, &nOut, &pIn[i], nIn-i);
-  if( rc==Z_OK ){
-    sqlite3_result_blob(context, pOut, nOut, sqlite3_free);
-  }
-}
-
-
-#ifdef _WIN32
-__declspec(dllexport)
-#endif
-int sqlite3_compress_init(
-  sqlite3 *db, 
-  char **pzErrMsg, 
-  const sqlite3_api_routines *pApi
-){
-  int rc = SQLITE_OK;
-  SQLITE_EXTENSION_INIT2(pApi);
-  (void)pzErrMsg;  /* Unused parameter */
-  rc = sqlite3_create_function(db, "compress", 1, SQLITE_UTF8, 0,
-                               compressFunc, 0, 0);
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(db, "uncompress", 1, SQLITE_UTF8, 0,
-                                 uncompressFunc, 0, 0);
-  }
-  return rc;
-}