From a30cba08f489c07e0d6085248287cd5dcc901b30 Mon Sep 17 00:00:00 2001
From: Yann Collet <cyan@fb.com>
Date: Sun, 10 Sep 2017 14:32:38 -0700
Subject: fixed a bunch of -Wcomma warnings

reported by @rvandermeulen (#398)
---
 lib/lz4.c          | 6 +++++-
 programs/bench.c   | 5 ++++-
 programs/datagen.c | 5 ++++-
 programs/lz4cli.c  | 7 +++++--
 4 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/lib/lz4.c b/lib/lz4.c
index 0960c97..707b94c 100644
--- a/lib/lz4.c
+++ b/lib/lz4.c
@@ -616,7 +616,11 @@ _next_match:
                 *token += ML_MASK;
                 matchCode -= ML_MASK;
                 LZ4_write32(op, 0xFFFFFFFF);
-                while (matchCode >= 4*255) op+=4, LZ4_write32(op, 0xFFFFFFFF), matchCode -= 4*255;
+                while (matchCode >= 4*255) {
+                    op+=4;
+                    LZ4_write32(op, 0xFFFFFFFF);
+                    matchCode -= 4*255;
+                }
                 op += matchCode / 255;
                 *op++ = (BYTE)(matchCode % 255);
             } else
diff --git a/programs/bench.c b/programs/bench.c
index 05ddaff..5c83d59 100644
--- a/programs/bench.c
+++ b/programs/bench.c
@@ -428,7 +428,10 @@ static void BMK_loadFiles(void* buffer, size_t bufferSize,
         f = fopen(fileNamesTable[n], "rb");
         if (f==NULL) EXM_THROW(10, "impossible to open file %s", fileNamesTable[n]);
         DISPLAYUPDATE(2, "Loading %s...       \r", fileNamesTable[n]);
-        if (fileSize > bufferSize-pos) fileSize = bufferSize-pos, nbFiles=n;   /* buffer too small - stop after this file */
+        if (fileSize > bufferSize-pos) { /* buffer too small - stop after this file */
+            fileSize = bufferSize-pos;
+            nbFiles=n;
+        }
         { size_t const readSize = fread(((char*)buffer)+pos, 1, (size_t)fileSize, f);
           if (readSize != (size_t)fileSize) EXM_THROW(11, "could not read %s", fileNamesTable[n]);
           pos += readSize; }
diff --git a/programs/datagen.c b/programs/datagen.c
index a61afc0..7285d69 100644
--- a/programs/datagen.c
+++ b/programs/datagen.c
@@ -119,7 +119,10 @@ void RDG_genBlock(void* buffer, size_t buffSize, size_t prefixSize, double match
     }
 
     /* init */
-    if (pos==0) buffPtr[0] = RDG_genChar(seed, lt), pos=1;
+    if (pos==0) {
+        buffPtr[0] = RDG_genChar(seed, lt);
+        pos=1;
+    }
 
     /* Generate compressible data */
     while (pos < buffSize)
diff --git a/programs/lz4cli.c b/programs/lz4cli.c
index b4a3c14..ff489c6 100644
--- a/programs/lz4cli.c
+++ b/programs/lz4cli.c
@@ -259,8 +259,11 @@ static int exeNameMatch(const char* exeName, const char* test)
 static unsigned readU32FromChar(const char** stringPtr)
 {
     unsigned result = 0;
-    while ((**stringPtr >='0') && (**stringPtr <='9'))
-        result *= 10, result += **stringPtr - '0', (*stringPtr)++ ;
+    while ((**stringPtr >='0') && (**stringPtr <='9')) {
+        result *= 10;
+        result += **stringPtr - '0';
+        (*stringPtr)++ ;
+    }
     if ((**stringPtr=='K') || (**stringPtr=='M')) {
         result <<= 10;
         if (**stringPtr=='M') result <<= 10;
-- 
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