From 62616c4d90557ab070ddd7677840e882cf0e34b9 Mon Sep 17 00:00:00 2001
From: Sen Huang <senhuang96@fb.com>
Date: Fri, 6 Sep 2019 13:20:50 -0700
Subject: [PATCH] fixes for windows compilation

---
 programs/util.c    | 7 +++++--
 programs/zstdcli.c | 5 +++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/programs/util.c b/programs/util.c
index f00bfd608..920601fba 100644
--- a/programs/util.c
+++ b/programs/util.c
@@ -20,6 +20,9 @@ extern "C" {
 #include <errno.h>
 #include <assert.h>
 
+#if defined(_MSC_VER) || defined(__MINGW32__) || defined (__MSVCRT__)
+#include <direct.h>     /* needed for _mkdir in windows */
+#endif
 
 int UTIL_fileExist(const char* filename)
 {
@@ -93,7 +96,7 @@ int UTIL_createDir(const char* outDirName)
     if (UTIL_isDirectory(outDirName))
         return 0;   /* no need to create if directory already exists */
 
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__MINGW32__) || defined (__MSVCRT__)
     r = _mkdir(outDirName);
     if (r || !UTIL_isDirectory(outDirName)) return 1;
 #else
@@ -112,7 +115,7 @@ void UTIL_createDestinationDirTable(const char** filenameTable, unsigned nbFiles
 
     /* duplicate source file table */
     for (u = 0; u < nbFiles; ++u) {
-        char* filename;
+        const char* filename;
         size_t finalPathLen;
         finalPathLen = strlen(outDirName);
         filename = strrchr(filenameTable[u], c);    /* filename is the last bit of string after '/' */
diff --git a/programs/zstdcli.c b/programs/zstdcli.c
index 606c162f7..5fc6b8aa8 100644
--- a/programs/zstdcli.c
+++ b/programs/zstdcli.c
@@ -1181,6 +1181,8 @@ int main(int argCount, const char* argv[])
             printf("ok\n");
             dstFilenameTable = (char**)malloc(filenameIdx * sizeof(char*));
             UTIL_processMultipleFilenameDestinationDir(dstFilenameTable, filenameTable, filenameIdx, outFileName, outDirName);
+        } else {
+            dstFilenameTable = NULL;
         }
 
         if ((filenameIdx==1) && outFileName)
@@ -1205,7 +1207,10 @@ int main(int argCount, const char* argv[])
         if (outDirName) {
             dstFilenameTable = (char**)malloc(filenameIdx * sizeof(char*));
             UTIL_processMultipleFilenameDestinationDir(dstFilenameTable, filenameTable, filenameIdx, outFileName, outDirName);
+        } else {
+            dstFilenameTable = NULL;
         }
+        
         if (filenameIdx==1 && outFileName)
             operationResult = FIO_decompressFilename(prefs, outFileName, filenameTable[0], dictFileName);
         else