1 files changed, 0 insertions, 113 deletions
diff --git a/ext/sqlite/libsqlite/src/random.c b/ext/sqlite/libsqlite/src/random.c
deleted file mode 100644
index d18bebff6b..0000000000
--- a/ext/sqlite/libsqlite/src/random.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
-** 2001 September 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 file contains code to implement a pseudo-random number
-** generator (PRNG) for SQLite.
-**
-** Random numbers are used by some of the database backends in order
-** to generate random integer keys for tables or random filenames.
-**
-** $Id$
-*/
-#include "sqliteInt.h"
-#include "os.h"
-
-
-/*
-** Get a single 8-bit random value from the RC4 PRNG.  The Mutex
-** must be held while executing this routine.
-**
-** Why not just use a library random generator like lrand48() for this?
-** Because the OP_NewRecno opcode in the VDBE depends on having a very
-** good source of random numbers.  The lrand48() library function may
-** well be good enough.  But maybe not.  Or maybe lrand48() has some
-** subtle problems on some systems that could cause problems.  It is hard
-** to know.  To minimize the risk of problems due to bad lrand48()
-** implementations, SQLite uses this random number generator based
-** on RC4, which we know works very well.
-*/
-static int randomByte(){
-  int t;
-
-  /* All threads share a single random number generator.
-  ** This structure is the current state of the generator.
-  */
-  static struct {
-    int isInit;          /* True if initialized */
-    int i, j;            /* State variables */
-    int s[256];          /* State variables */
-  } prng;
-
-  /* Initialize the state of the random number generator once,
-  ** the first time this routine is called.  The seed value does
-  ** not need to contain a lot of randomness since we are not
-  ** trying to do secure encryption or anything like that...
-  **
-  ** Nothing in this file or anywhere else in SQLite does any kind of
-  ** encryption.  The RC4 algorithm is being used as a PRNG (pseudo-random
-  ** number generator) not as an encryption device.
-  */
-  if( !prng.isInit ){
-    int i;
-    char k[256];
-    prng.j = 0;
-    prng.i = 0;
-    sqliteOsRandomSeed(k);
-    for(i=0; i<256; i++){
-      prng.s[i] = i;
-    }
-    for(i=0; i<256; i++){
-      int t;
-      prng.j = (prng.j + prng.s[i] + k[i]) & 0xff;
-      t = prng.s[prng.j];
-      prng.s[prng.j] = prng.s[i];
-      prng.s[i] = t;
-    }
-    prng.isInit = 1;
-  }
-
-  /* Generate and return single random byte
-  */
-  prng.i = (prng.i + 1) & 0xff;
-  prng.j = (prng.j + prng.s[prng.i]) & 0xff;
-  t = prng.s[prng.i];
-  prng.s[prng.i] = prng.s[prng.j];
-  prng.s[prng.j] = t;
-  t = prng.s[prng.i] + prng.s[prng.j];
-  return prng.s[t & 0xff];
-}
-
-/*
-** Return an random 8-bit integer.
-*/
-int sqliteRandomByte(){
-  int r;
-  sqliteOsEnterMutex();
-  r = randomByte();
-  sqliteOsLeaveMutex();
-  return r;
-}
-
-/*
-** Return a random 32-bit integer.  The integer is generated by making
-** 4 calls to sqliteRandomByte().
-*/
-int sqliteRandomInteger(){
-  int r;
-  int i;
-  sqliteOsEnterMutex();
-  r = randomByte();
-  for(i=1; i<4; i++){
-    r = (r<<8) + randomByte();
-  }
-  sqliteOsLeaveMutex();
-  return r;
-}