From b13f5f1de8ec4937f87f7e3adf37a33313aef7e4 Mon Sep 17 00:00:00 2001
From: Vitaly Puzrin <vitaly@rcdesign.ru>
Date: Fri, 14 Feb 2014 06:41:20 +0400
Subject: [PATCH] Removed orphaned 'FASTEST' #ifdefs emulation

---
 lib/zlib/deflate.js | 81 +++++++++++++++++----------------------------
 1 file changed, 31 insertions(+), 50 deletions(-)

diff --git a/lib/zlib/deflate.js b/lib/zlib/deflate.js
index 33e3a6f..d9bec99 100644
--- a/lib/zlib/deflate.js
+++ b/lib/zlib/deflate.js
@@ -5,8 +5,6 @@ var utils = require('./utils');
 var trees = require('./trees');
 var adler32 = require('./adler32');
 
-var FASTEST = true;
-
 var Z_NULL = c.Z_NULL;
 
 var MAX_WBITS = 15;
@@ -50,7 +48,7 @@ function flush_pending(strm) {
   if (len > strm.avail_out) {
     len = strm.avail_out;
   }
-  if (len === 0) { return;}
+  if (len === 0) { return; }
 
   utils.arraySet(strm.next_out, s.pending_buf, s.pending_out, len, strm.next_out_index);
   strm.next_out_index += len;
@@ -95,8 +93,8 @@ function putShortMSB(s, b) {
 function read_buf(strm, buf, start, size) {
   var len = strm.avail_in;
 
-  if (len > size) { len = size;}
-  if (len === 0) { return 0;}
+  if (len > size) { len = size; }
+  if (len === 0) { return 0; }
 
   strm.avail_in -= len;
 
@@ -178,16 +176,15 @@ function fill_window(s) {
       } while (--n);
 
       n = wsize;
-      if (FASTEST) {
-        p = n;
-        do {
-          m = s.head[--p];
-          s.head[p] = m >= wsize ? m - wsize : 0;
-          /* If n is not on any hash chain, prev[n] is garbage but
-           * its value will never be used.
-           */
-        } while (--n);
-      }
+      p = n;
+      do {
+        m = s.head[--p];
+        s.head[p] = m >= wsize ? m - wsize : 0;
+        /* If n is not on any hash chain, prev[n] is garbage but
+         * its value will never be used.
+         */
+      } while (--n);
+
       more += wsize;
     }
     if (s.strm.avail_in === 0) {
@@ -219,9 +216,7 @@ function fill_window(s) {
 //#endif
       while (s.insert) {
         s.ins_h = update_hash(s, s.ins_h, s.window[str + MIN_MATCH - 1]);
-        if (FASTEST) {
-          s.prev[str & s.w_mask] = s.head[s.ins_h];
-        }
+        s.prev[str & s.w_mask] = s.head[s.ins_h];
         s.head[s.ins_h] = str;
         str++;
         s.insert--;
@@ -294,7 +289,7 @@ function deflate_stored(s, flush) {
   }
 
   /* Copy as much as possible from input to output: */
-  for (; ;) {
+  for (;;) {
     /* Fill the window as much as possible: */
     if (s.lookahead <= 1) {
 
@@ -421,28 +416,20 @@ var Config = function (good_length, max_lazy, nice_length, max_chain, func) {
 
 var configuration_table;
 
-if (FASTEST) {
-  configuration_table = [
-    /*      good lazy nice chain */
-    new Config(0, 0, 0, 0, deflate_stored),          /* 0 store only */
-    new Config(4, 4, 8, 4, deflate_fast)             /* 1 max speed, no lazy matches */
-  ];
-} else {
-  configuration_table = [
-    /*      good lazy nice chain */
-    new Config(0, 0, 0, 0, deflate_stored),          /* 0 store only */
-    new Config(4, 4, 8, 4, deflate_fast),            /* 1 max speed, no lazy matches */
-    new Config(4, 5, 16, 8, deflate_fast),           /* 2 */
-    new Config(4, 6, 32, 32, deflate_fast),          /* 3 */
+configuration_table = [
+  /*      good lazy nice chain */
+  new Config(0, 0, 0, 0, deflate_stored),          /* 0 store only */
+  new Config(4, 4, 8, 4, deflate_fast),            /* 1 max speed, no lazy matches */
+  new Config(4, 5, 16, 8, deflate_fast),           /* 2 */
+  new Config(4, 6, 32, 32, deflate_fast),          /* 3 */
 
-    new Config(4, 4, 16, 16, deflate_slow),          /* 4 lazy matches */
-    new Config(8, 16, 32, 32, deflate_slow),         /* 5 */
-    new Config(8, 16, 128, 128, deflate_slow),       /* 6 */
-    new Config(8, 32, 128, 256, deflate_slow),       /* 7 */
-    new Config(32, 128, 258, 1024, deflate_slow),    /* 8 */
-    new Config(32, 258, 258, 4096, deflate_slow)     /* 9 max compression */
-  ];
-}
+  new Config(4, 4, 16, 16, deflate_slow),          /* 4 lazy matches */
+  new Config(8, 16, 32, 32, deflate_slow),         /* 5 */
+  new Config(8, 16, 128, 128, deflate_slow),       /* 6 */
+  new Config(8, 32, 128, 256, deflate_slow),       /* 7 */
+  new Config(32, 128, 258, 1024, deflate_slow),    /* 8 */
+  new Config(32, 258, 258, 4096, deflate_slow)     /* 9 max compression */
+];
 
 /* ===========================================================================
  * Initialize the "longest match" routines for a new zlib stream
@@ -609,14 +596,8 @@ function deflateInit2(strm, level, method, windowBits, memLevel, strategy) {
   }
   var wrap = 1;
 
-  if (FASTEST) {
-    if (level !== 0) {
-      level = 1;
-    }
-  } else {
-    if (level === c.Z_DEFAULT_COMPRESSION) {
-      level = 6;
-    }
+  if (level === c.Z_DEFAULT_COMPRESSION) {
+    level = 6;
   }
 
   if (windowBits < 0) { /* suppress zlib wrapper */
@@ -726,7 +707,7 @@ function deflate(strm, flush) {
       level_flags = 3;
     }
     header |= (level_flags << 6);
-    if (s.strstart !== 0) { header |= PRESET_DICT;}
+    if (s.strstart !== 0) { header |= PRESET_DICT; }
     header += 31 - (header % 31);
 
     s.status = BUSY_STATE;
@@ -737,7 +718,7 @@ function deflate(strm, flush) {
       putShortMSB(s, strm.adler >>> 16);
       putShortMSB(s, strm.adler & 0xffff);
     }
-    strm.adler = 1;//adler32(0L, Z_NULL, 0);
+    strm.adler = 1; // adler32(0L, Z_NULL, 0);
   }
 
   /* Flush as much pending output as possible */