[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/ext/misc/rot13.c

Index: third_party/sqlite/sqlite-src-3080704/ext/misc/rot13.c
diff --git a/third_party/sqlite/sqlite-src-3080704/ext/misc/rot13.c b/third_party/sqlite/sqlite-src-3080704/ext/misc/rot13.c
deleted file mode 100644
index 68fdf60b0f0a28b7ff0e12a432ceed134c9e8566..0000000000000000000000000000000000000000
--- a/third_party/sqlite/sqlite-src-3080704/ext/misc/rot13.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
-** 2013-05-15
-**
-** 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 a rot13() function and a rot13
-** collating sequence.
-*/
-#include "sqlite3ext.h"
-SQLITE_EXTENSION_INIT1
-#include <assert.h>
-#include <string.h>
-
-/*
-** Perform rot13 encoding on a single ASCII character.
-*/
-static unsigned char rot13(unsigned char c){
-  if( c>='a' && c<='z' ){
-    c += 13;
-    if( c>'z' ) c -= 26;
-  }else if( c>='A' && c<='Z' ){
-    c += 13;
-    if( c>'Z' ) c -= 26;
-  }
-  return c;
-}
-
-/*
-** Implementation of the rot13() function.
-**
-** Rotate ASCII alphabetic characters by 13 character positions.  
-** Non-ASCII characters are unchanged.  rot13(rot13(X)) should always
-** equal X.
-*/
-static void rot13func(
-  sqlite3_context *context,
-  int argc,
-  sqlite3_value **argv
-){
-  const unsigned char *zIn;
-  int nIn;
-  unsigned char *zOut;
-  char *zToFree = 0;
-  int i;
-  char zTemp[100];
-  assert( argc==1 );
-  if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return;
-  zIn = (const unsigned char*)sqlite3_value_text(argv[0]);
-  nIn = sqlite3_value_bytes(argv[0]);
-  if( nIn<sizeof(zTemp)-1 ){
-    zOut = zTemp;
-  }else{
-    zOut = zToFree = sqlite3_malloc( nIn+1 );
-    if( zOut==0 ){
-      sqlite3_result_error_nomem(context);
-      return;
-    }
-  }
-  for(i=0; i<nIn; i++) zOut[i] = rot13(zIn[i]);
-  zOut[i] = 0;
-  sqlite3_result_text(context, (char*)zOut, i, SQLITE_TRANSIENT);
-  sqlite3_free(zToFree);
-}
-
-/*
-** Implement the rot13 collating sequence so that if
-**
-**      x=y COLLATE rot13
-**
-** Then 
-**
-**      rot13(x)=rot13(y) COLLATE binary
-*/
-static int rot13CollFunc(
-  void *notUsed,
-  int nKey1, const void *pKey1,
-  int nKey2, const void *pKey2
-){
-  const char *zA = (const char*)pKey1;
-  const char *zB = (const char*)pKey2;
-  int i, x;
-  for(i=0; i<nKey1 && i<nKey2; i++){
-    x = (int)rot13(zA[i]) - (int)rot13(zB[i]);
-    if( x!=0 ) return x;
-  }
-  return nKey1 - nKey2;
-}
-
-
-#ifdef _WIN32
-__declspec(dllexport)
-#endif
-int sqlite3_rot_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, "rot13", 1, SQLITE_UTF8, 0,
-                               rot13func, 0, 0);
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_collation(db, "rot13", SQLITE_UTF8, 0, rot13CollFunc);
-  }
-  return rc;
-}