From 90c0462d63768899d8a08a5ec0975294869e66f2 Mon Sep 17 00:00:00 2001
From: Yann Collet <cyan@fb.com>
Date: Wed, 10 Apr 2019 10:03:06 -0700
Subject: [PATCH] minor presentation refactoring

and removed some // comment style
---
 programs/zstdcli.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/programs/zstdcli.c b/programs/zstdcli.c
index ef2fe2e91..f4452636b 100644
--- a/programs/zstdcli.c
+++ b/programs/zstdcli.c
@@ -241,18 +241,20 @@ static void errorOut(const char* msg)
  * @return 1 if an overflow error occurs */
 static int readU32FromCharChecked(const char** stringPtr, unsigned* value)
 {
-    static unsigned const max = (((unsigned)(-1)) / 10) - 1;
     unsigned result = 0;
     while ((**stringPtr >='0') && (**stringPtr <='9')) {
-        if (result > max) return 1; // overflow error
-        result *= 10, result += **stringPtr - '0', (*stringPtr)++ ;
+        unsigned const max = (((unsigned)(-1)) / 10) - 1;
+        if (result > max) return 1; /* overflow error */
+        result *= 10;
+        result += (unsigned)(**stringPtr - '0');
+        (*stringPtr)++ ;
     }
     if ((**stringPtr=='K') || (**stringPtr=='M')) {
         unsigned const maxK = ((unsigned)(-1)) >> 10;
-        if (result > maxK) return 1; // overflow error
+        if (result > maxK) return 1; /* overflow error */
         result <<= 10;
         if (**stringPtr=='M') {
-            if (result > maxK) return 1; // overflow error
+            if (result > maxK) return 1; /* overflow error */
             result <<= 10;
         }
         (*stringPtr)++;  /* skip `K` or `M` */
@@ -483,7 +485,7 @@ static int init_cLevel(void) {
 
         if ((*ptr>='0') && (*ptr<='9')) {
             unsigned absLevel;
-            if (readU32FromCharChecked(&ptr, &absLevel)) { 
+            if (readU32FromCharChecked(&ptr, &absLevel)) {
                 DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: numeric value too large\n", ENV_CLEVEL, env);
                 return ZSTDCLI_CLEVEL_DEFAULT;
             } else if (*ptr == 0) {