From: W. Felix Handte <w@felixhandte.com>
Date: Tue, 4 Dec 2018 19:52:40 +0000 (-0800)
Subject: Add Mutual-Exclusion Error
X-Git-Tag: v1.3.8~13^2~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2d51637d9750ca44f98c7dfaad10e6e0265f0a2;p=thirdparty%2Fzstd.git

Add Mutual-Exclusion Error
---

diff --git a/lib/decompress/huf_decompress.c b/lib/decompress/huf_decompress.c
index 1139d39cd..2cc20da22 100644
--- a/lib/decompress/huf_decompress.c
+++ b/lib/decompress/huf_decompress.c
@@ -43,6 +43,19 @@
 #include "huf.h"
 #include "error_private.h"
 
+/* **************************************************************
+*  Macros
+****************************************************************/
+
+/* These two optional macros force the use one way or another of the two
+ * Huffman decompression implementations. You can't force in both directions
+ * at the same time.
+ */
+#if defined(HUF_FORCE_DECOMPRESS_X1) && \
+    defined(HUF_FORCE_DECOMPRESS_X2)
+#error "Cannot force the use of the X1 and X2 decoders at the same time!"
+#endif
+
 
 /* **************************************************************
 *  Error Management