From 88708cffa15662dcd2755fce699112d24a10a087 Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Wed, 30 May 2012 17:27:49 +0000
Subject: update for zlib & FreeImage

git-svn-id: http://svn.miranda-ng.org/main/trunk@238 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/Zlib/inflate.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

(limited to 'plugins/Zlib/inflate.c')

diff --git a/plugins/Zlib/inflate.c b/plugins/Zlib/inflate.c
index cc89517bc8..47418a1e1e 100644
--- a/plugins/Zlib/inflate.c
+++ b/plugins/Zlib/inflate.c
@@ -1,5 +1,5 @@
 /* inflate.c -- zlib decompression
- * Copyright (C) 1995-2011 Mark Adler
+ * Copyright (C) 1995-2012 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -519,11 +519,6 @@ unsigned out;
         bits -= bits & 7; \
     } while (0)
 
-/* Reverse the bytes in a 32-bit value */
-#define REVERSE(q) \
-    ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
-     (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
-
 /*
    inflate() uses a state machine to process as much input data and generate as
    much output data as possible before returning.  The state machine is
@@ -817,7 +812,7 @@ int flush;
 #endif
         case DICTID:
             NEEDBITS(32);
-            strm->adler = state->check = REVERSE(hold);
+            strm->adler = state->check = ZSWAP32(hold);
             INITBITS();
             state->mode = DICT;
         case DICT:
@@ -1189,7 +1184,7 @@ int flush;
 #ifdef GUNZIP
                      state->flags ? hold :
 #endif
-                     REVERSE(hold)) != state->check) {
+                     ZSWAP32(hold)) != state->check) {
                     strm->msg = (char *)"incorrect data check";
                     state->mode = BAD;
                     break;
@@ -1275,7 +1270,7 @@ const Bytef *dictionary;
 uInt dictLength;
 {
     struct inflate_state FAR *state;
-    unsigned long id;
+    unsigned long dictid;
     unsigned char *next;
     unsigned avail;
     int ret;
@@ -1286,11 +1281,11 @@ uInt dictLength;
     if (state->wrap != 0 && state->mode != DICT)
         return Z_STREAM_ERROR;
 
-    /* check for correct dictionary id */
+    /* check for correct dictionary identifier */
     if (state->mode == DICT) {
-        id = adler32(0L, Z_NULL, 0);
-        id = adler32(id, dictionary, dictLength);
-        if (id != state->check)
+        dictid = adler32(0L, Z_NULL, 0);
+        dictid = adler32(dictid, dictionary, dictLength);
+        if (dictid != state->check)
             return Z_DATA_ERROR;
     }
 
-- 
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