From 607ee9f4bcad9a72425392c55934be5237042e81 Mon Sep 17 00:00:00 2001
From: Paul Cruz <paulcruz74@fb.com>
Date: Wed, 14 Jun 2017 13:23:36 -0700
Subject: [PATCH] print message when no files are given, rearrange code for
 readability

---
 programs/zstdcli.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/programs/zstdcli.c b/programs/zstdcli.c
index 91bce8bb8..f8612f297 100644
--- a/programs/zstdcli.c
+++ b/programs/zstdcli.c
@@ -674,13 +674,19 @@ int main(int argCount, const char* argv[])
     }
 #endif
     if(operation==zom_list){
-        unsigned u;
+        if(filenameIdx==0){
+            DISPLAY("No files given\n");
+            CLEAN_RETURN(0);
+        }
         DISPLAY("===========================================\n");
         DISPLAY("Printing information about compressed files\n");
         DISPLAY("===========================================\n");
         DISPLAY("Number of files listed: %d\n", filenameIdx);
-        for(u=0; u<filenameIdx;u++){
-            FIO_listFile(filenameTable[u],g_displayLevel);
+        {
+            unsigned u;
+            for(u=0; u<filenameIdx;u++){
+                FIO_listFile(filenameTable[u],g_displayLevel);
+            }
         }
         CLEAN_RETURN(0);
     }