Merge pull request #1858 from senhuang42/dictionary_header_size

Method to get dictionary header size
2019-11-14 09:44:07 -08:00
parent 2ba0167a7d c85d10d0ea
commit d67742bc5d
6 changed files with 108 additions and 32 deletions
@@ -931,6 +931,21 @@ MEM_STATIC void ZSTD_debugTable(const U32* table, U32 max)
 }
 #endif

+/* ===============================================================
+ * Shared internal declarations
+ * These prototypes may be called from sources not in lib/compress
+ * =============================================================== */
+
+/* ZSTD_loadCEntropy() :
+ * dict : must point at beginning of a valid zstd dictionary.
+ * return : size of dictionary header (size of magic number + dict ID + entropy tables)
+ * assumptions : magic number supposed already checked
+ *               and dictSize >= 8 */
+size_t ZSTD_loadCEntropy(ZSTD_compressedBlockState_t* bs, void* workspace,
+                         short* offcodeNCount, unsigned* offcodeMaxValue,
+                         const void* const dict, size_t dictSize);
+
+void ZSTD_reset_compressedBlockState(ZSTD_compressedBlockState_t* bs);

 /* ==============================================================
 * Private declarations