From: Paul Cruz <paulcruz74@fb.com>
Date: Wed, 14 Jun 2017 23:42:51 +0000 (-0700)
Subject: changed randomly generated samples to randomly selected from the dictionary content
X-Git-Tag: v1.3.0~1^2~15^2~63
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=664ed05ff6af2190c3c65e80458343484e12bbec;p=thirdparty%2Fzstd.git

changed randomly generated samples to randomly selected from the dictionary content
---

diff --git a/tests/decodecorpus.c b/tests/decodecorpus.c
index 9bd6506e2..19cf6127b 100644
--- a/tests/decodecorpus.c
+++ b/tests/decodecorpus.c
@@ -1352,7 +1352,22 @@ static int generateCorpusWithDict(U32 seed, unsigned numFiles, const char* const
                 curr++;
             }
             samples = malloc(totalSize);
-            RAND_buffer(&seed, samples, totalSize);
+
+            /* reset pointer and counter */
+            curr = sampleSizes;
+            i = 0;
+
+            {
+                /* take substring from dictionary content */
+                size_t pos = 0;
+                const BYTE* endDict = dictContent + dictSize - 400;
+                while(i++ < numSamples){
+                    size_t currSize = *(curr++);
+                    BYTE* startSubstring = endDict - currSize;
+                    memcpy(samples + pos, (void*)startSubstring, currSize);
+                    pos += currSize;
+                }
+            }
         }
 
         {