From 51a56c47c0d34b6255bdd8e7b33f0ccb44b80351 Mon Sep 17 00:00:00 2001
From: "W. Felix Handte" <w@felixhandte.com>
Date: Wed, 11 Apr 2018 16:55:12 -0400
Subject: [PATCH] Minor Fixes

---
 lib/lz4.c      | 22 +++++++++++++---------
 lib/lz4frame.c |  2 --
 2 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/lib/lz4.c b/lib/lz4.c
index 9e6b1e2..111085a 100644
--- a/lib/lz4.c
+++ b/lib/lz4.c
@@ -1193,7 +1193,19 @@ int LZ4_loadDict (LZ4_stream_t* LZ4_dict, const char* dictionary, int dictSize)
 }
 
 void LZ4_attach_dictionary(LZ4_stream_t *working_stream, const LZ4_stream_t *dictionary_stream) {
-    working_stream->internal_donotuse.dictCtx = dictionary_stream != NULL ? &(dictionary_stream->internal_donotuse) : NULL;
+    if (dictionary_stream != NULL) {
+        /* If the current offset is zero, we will never look in the
+         * external dictionary context, since there is no value a table
+         * entry can take that indicate a miss. In that case, we need
+         * to bump the offset to something non-zero.
+         */
+        if (working_stream->internal_donotuse.currentOffset == 0) {
+            working_stream->internal_donotuse.currentOffset = 64 KB;
+        }
+        working_stream->internal_donotuse.dictCtx = &(dictionary_stream->internal_donotuse);
+    } else {
+        working_stream->internal_donotuse.dictCtx = NULL;
+    }
 }
 
 
@@ -1264,14 +1276,6 @@ int LZ4_compress_fast_continue (LZ4_stream_t* LZ4_stream, const char* source, ch
                 memcpy(streamPtr, streamPtr->dictCtx, sizeof(LZ4_stream_t));
                 result = LZ4_compress_generic(streamPtr, source, dest, inputSize, maxOutputSize, limitedOutput, tableType, usingExtDict, noDictIssue, acceleration);
             } else {
-                /* If the current offset is zero, we will never look in the
-                 * external dictionary context, since there is no value a table
-                 * entry can take that indicate a miss. In that case, we need
-                 * to bump the offset to something non-zero.
-                 */
-                if (streamPtr->currentOffset == 0) {
-                    streamPtr->currentOffset = 64 KB;
-                }
                 result = LZ4_compress_generic(streamPtr, source, dest, inputSize, maxOutputSize, limitedOutput, tableType, usingDictCtx, noDictIssue, acceleration);
             }
         } else {
diff --git a/lib/lz4frame.c b/lib/lz4frame.c
index 7608d90..507e4fe 100644
--- a/lib/lz4frame.c
+++ b/lib/lz4frame.c
@@ -531,8 +531,6 @@ static void LZ4F_applyCDict(void* ctx,
                             const LZ4F_CDict* cdict,
                             int level) {
     if (level < LZ4HC_CLEVEL_MIN) {
-        LZ4_stream_t_internal* internal_ctx = &((LZ4_stream_t *)ctx)->internal_donotuse;
-        assert(!internal_ctx->initCheck);
         LZ4_resetStream_fast((LZ4_stream_t *)ctx);
         LZ4_attach_dictionary((LZ4_stream_t *)ctx, cdict ? cdict->fastCtx : NULL);
     } else {
-- 
2.7.4