From a101721f4e2f3cfa0296b5b61147f272e77c8b68 Mon Sep 17 00:00:00 2001
From: Sergey Ponomarev <stokito@gmail.com>
Date: Sat, 14 Sep 2019 21:26:27 +0300
Subject: [PATCH] Use one strstr() call instead of chain of strcmp()

---
 programs/fileio.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/programs/fileio.c b/programs/fileio.c
index edf58fee..8816115b 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -2193,18 +2193,7 @@ FIO_determineDstName(const char* srcFileName)
 
     /* check suffix is authorized */
     if (sfnSize <= suffixSize
-        || (   strcmp(suffixPtr, ZSTD_EXTENSION)
-        #ifdef ZSTD_GZDECOMPRESS
-            && strcmp(suffixPtr, GZ_EXTENSION)
-        #endif
-        #ifdef ZSTD_LZMADECOMPRESS
-            && strcmp(suffixPtr, XZ_EXTENSION)
-            && strcmp(suffixPtr, LZMA_EXTENSION)
-        #endif
-        #ifdef ZSTD_LZ4DECOMPRESS
-            && strcmp(suffixPtr, LZ4_EXTENSION)
-        #endif
-            ) ) {
+        || (strstr(SUFFIX_LIST, suffixPtr) == NULL)) {
         DISPLAYLEVEL(1, "zstd: %s: unknown suffix (%s expected). Can't derive the output file name so specify it with -o dstFileName. -- ignored \n",
                      srcFileName, SUFFIX_LIST);
         return NULL;