changed randomly generated samples to randomly selected from the dictionary content

2017-06-14 16:42:51 -07:00
parent 3b0e24c06b
commit 664ed05ff6
1 changed files with 16 additions and 1 deletions
@@ -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;
+                }
+            }
        }

        {