fix issue #3144 (#3226)

* fix issue #3144

* add test case for verbose-wlog

Co-authored-by: zengyijing <yijingzeng@fb.com>

programs/zstdcli.c

@@ -1051,6 +1051,8 @@ int main(int argCount, const char* argv[])
                         /* Invalid character following --long */
                         badusage(programName);
                         CLEAN_RETURN(1);
+                    } else {
+                        ldmWindowLog = g_defaultMaxWindowLog;
                     }
                     /* Only set windowLog if not already set by --zstd */
                     if (compressionParams.windowLog == 0)

tests/cli-tests/compression/verbose-wlog.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -e
+
+. "$COMMON/platform.sh"
+
+zstd < file -vv -19 -o file.19.zst
+zstd -vv -l file.19.zst
+
+zstd < file -vv -19 --long -o file.19.long.zst
+zstd -vv -l file.19.long.zst

tests/cli-tests/compression/verbose-wlog.sh.stderr.glob

@@ -0,0 +1,5 @@
+...
+*wlog=23*
+...
+*wlog=27*
+...

tests/cli-tests/compression/verbose-wlog.sh.stdout.glob

@@ -0,0 +1,5 @@
+...
+*Window Size: 8388608 B*
+...
+*Window Size: 134217728 B*
+...