From c3860a9f29db08083b8addf9efb23bd01f94bb99 Mon Sep 17 00:00:00 2001
From: Justin Viiret <justin.viiret@intel.com>
Date: Thu, 11 Feb 2016 16:51:59 +1100
Subject: [PATCH] NFA API: Remove unused scratch ptr from struct mq

---
 src/nfa/nfa_api_queue.h     | 1 -
 src/scratch.c               | 5 -----
 unit/internal/lbr.cpp       | 3 +--
 unit/internal/limex_nfa.cpp | 2 --
 4 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/src/nfa/nfa_api_queue.h b/src/nfa/nfa_api_queue.h
index 59c18fca..1373425d 100644
--- a/src/nfa/nfa_api_queue.h
+++ b/src/nfa/nfa_api_queue.h
@@ -91,7 +91,6 @@ struct mq {
                         * history buffer; (logically) immediately before the
                         * main buffer */
     size_t hlength; /**< length of the history buffer */
-    struct hs_scratch *scratch; /**< global scratch space */
     char report_current; /**<
                           * report_current matches at starting offset through
                           * callback. If true, the queue must be located at a
diff --git a/src/scratch.c b/src/scratch.c
index 5771c8a7..854fc312 100644
--- a/src/scratch.c
+++ b/src/scratch.c
@@ -242,11 +242,6 @@ hs_error_t alloc_scratch(const hs_scratch_t *proto, hs_scratch_t **scratch) {
     // Don't get too big for your boots
     assert((size_t)(current - (char *)s) <= alloc_size);
 
-    // Init q->scratch ptr for every queue.
-    for (struct mq *qi = s->queues; qi != s->queues + queueCount; ++qi) {
-        qi->scratch = s;
-    }
-
     return HS_SUCCESS;
 }
 
diff --git a/unit/internal/lbr.cpp b/unit/internal/lbr.cpp
index 00606141..be53d9f3 100644
--- a/unit/internal/lbr.cpp
+++ b/unit/internal/lbr.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Intel Corporation
+ * Copyright (c) 2015-2016, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -120,7 +120,6 @@ protected:
         q.length = 0; // filled in by test
         q.history = nullptr;
         q.hlength = 0;
-        q.scratch = nullptr; // not needed by LBR
         q.report_current = 0;
         q.cb = onMatch;
         q.som_cb = nullptr; // only used by Haig
diff --git a/unit/internal/limex_nfa.cpp b/unit/internal/limex_nfa.cpp
index 679dc670..7c0b66e4 100644
--- a/unit/internal/limex_nfa.cpp
+++ b/unit/internal/limex_nfa.cpp
@@ -104,7 +104,6 @@ protected:
         q.length = SCAN_DATA.size();
         q.history = nullptr;
         q.hlength = 0;
-        q.scratch = scratch.get();
         q.report_current = 0;
         q.cb = onMatch;
         q.som_cb = nullptr; // only used by Haig
@@ -420,7 +419,6 @@ protected:
         q.length = ZOMBIE_SCAN_DATA.length();
         q.history = nullptr;
         q.hlength = 0;
-        q.scratch = scratch.get();
         q.report_current = 0;
         q.cb = onMatch;
         q.som_cb = nullptr; // only used by Haig