From b619eddd14421c320c7471180f312861cfce6c10 Mon Sep 17 00:00:00 2001
From: Tino Reichardt <milky-7zip@mcmilk.de>
Date: Fri, 30 Sep 2016 11:46:01 +0200
Subject: [PATCH] added old zstd headers, cause they should work also

---
 CPP/7zip/Archive/ZstdHandler.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/CPP/7zip/Archive/ZstdHandler.cpp b/CPP/7zip/Archive/ZstdHandler.cpp
index 2b7a698e..32ac99b1 100644
--- a/CPP/7zip/Archive/ZstdHandler.cpp
+++ b/CPP/7zip/Archive/ZstdHandler.cpp
@@ -108,9 +108,15 @@ API_FUNC_static_IsArc IsArc_zstd(const Byte *p, size_t size)
     return k_IsArc_Res_NEED_MORE;
 
   UInt32 magic = GetUi32(p);
-  // zstd magic's
-  if (magic >= 0xFD2FB525 && magic <= 0xFD2FB528)
+
+  // zstd 0.1
+  if (magic == 0xFD2FB51E)
     return k_IsArc_Res_YES;
+
+  // zstd magic's for 0.2 .. 0.8 (aka 1.x)
+  if (magic >= 0xFD2FB522 && magic <= 0xFD2FB528)
+    return k_IsArc_Res_YES;
+
   // skippable frames
   if (magic >= 0x184D2A50 && magic <= 0x184D2A5F)
     return k_IsArc_Res_YES;