tests: use \r\n for log messages in WSL

Bash in Windows Subsystem for Linux (WSL) requires it for some reason.

(This is one of several commits to support use of WSL for the tests.)

Ref: https://github.com/curl/curl/pull/3899

1 files changed, 9 insertions, 1 deletions

diff --git a/tests/runtests.pl b/tests/runtests.pl
index 63bd2da68..737fbe27e 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -206,6 +206,9 @@ my $valgrind_tool;
 my $gdb = checktestcmd("gdb");
 my $httptlssrv = find_httptlssrv();
 
+my $uname_release = `uname -r`;
+my $is_wsl = $uname_release =~ /Microsoft$/;
+
 my $has_ssl;        # set if libcurl is built with SSL support
 my $has_largefile;  # set if libcurl is built with large file support
 my $has_idn;        # set if libcurl is built with IDN support
@@ -324,7 +327,12 @@ my $tortalloc;
 #
 sub logmsg {
     for(@_) {
-        print "$_";
+        my $line = $_;
+        if ($is_wsl) {
+            # use \r\n for WSL shell
+            $line =~ s/\r?\n$/\r\n/g;
+        }
+        print "$line";
     }
 }