From 35f7de52c8dc9c5d414eaae9c0300f0b5f875609 Mon Sep 17 00:00:00 2001
From: Yann Collet <yann.collet.73@gmail.com>
Date: Sun, 31 Jan 2016 02:51:03 +0100
Subject: [PATCH] fixed Visual warnings

---
 dictBuilder/dibcli.c      | 9 +++++++++
 dictBuilder/dictBuilder.c | 2 +-
 lib/zstd_compress.c       | 4 ++--
 lib/zstd_decompress.c     | 3 +--
 4 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/dictBuilder/dibcli.c b/dictBuilder/dibcli.c
index 3ca6854d..f93e9707 100644
--- a/dictBuilder/dibcli.c
+++ b/dictBuilder/dibcli.c
@@ -22,6 +22,15 @@
   - zstd source repository : https://github.com/Cyan4973/zstd
 */
 
+/* **************************************
+*  Compiler Specifics
+****************************************/
+/* Disable some Visual warning messages */
+#ifdef _MSC_VER
+#  pragma warning(disable : 4127)                /* disable: C4127: conditional expression is constant */
+#endif
+
+
 /*-************************************
 *  Includes
 **************************************/
diff --git a/dictBuilder/dictBuilder.c b/dictBuilder/dictBuilder.c
index ca3f66f1..fed9b18d 100644
--- a/dictBuilder/dictBuilder.c
+++ b/dictBuilder/dictBuilder.c
@@ -79,7 +79,7 @@
 
 #define DICTLISTSIZE 10000
 #define MEMMULT 11
-static const size_t maxMemory = (sizeof(size_t)==4)  ?  (2 GB - 64 MB) : (size_t)(3 GB) * MEMMULT;
+static const size_t maxMemory = (sizeof(size_t) == 4) ? (2 GB - 64 MB) : ((size_t)(512 MB) << sizeof(size_t));
 
 #define NOISELENGTH 32
 #define PRIME1   2654435761U
diff --git a/lib/zstd_compress.c b/lib/zstd_compress.c
index 37550e6b..6e3d6ca5 100644
--- a/lib/zstd_compress.c
+++ b/lib/zstd_compress.c
@@ -457,7 +457,7 @@ static size_t ZSTD_compressLiterals (ZSTD_CCtx* zc,
     U32 hType = IS_HUF;
     size_t clitSize;
 
-    if (maxDstSize < 4) return ERROR(dstSize_tooSmall);   /* not enough space for compression */
+    if (maxDstSize < lhSize+1) return ERROR(dstSize_tooSmall);   /* not enough space for compression */
 
     if (zc->flagStaticTables && (lhSize==3)) {
         hType = IS_PCH;
@@ -547,7 +547,7 @@ size_t ZSTD_compressSequences(ZSTD_CCtx* zc,
     if ((oend-op) < MIN_SEQUENCES_SIZE) return ERROR(dstSize_tooSmall);
     if (nbSeq < 128) *op++ = (BYTE)nbSeq;
     else {
-        op[0] = (nbSeq>>8) + 128; op[1] = (BYTE)nbSeq; op+=2;
+        op[0] = (BYTE)((nbSeq>>8) + 128); op[1] = (BYTE)nbSeq; op+=2;
     }
     if (nbSeq==0) goto _check_compressibility;
 
diff --git a/lib/zstd_decompress.c b/lib/zstd_decompress.c
index 96ba8936..6061c874 100644
--- a/lib/zstd_decompress.c
+++ b/lib/zstd_decompress.c
@@ -812,8 +812,7 @@ static size_t ZSTD_decompressSequences(
         }
 
         /* check if reached exact end */
-        if (nbSeq)
-            return ERROR(corruption_detected);   /* DStream should be entirely and exactly consumed; otherwise data is corrupted */
+        if (nbSeq) return ERROR(corruption_detected);
     }
 
     /* last literal segment */