From cb2f73aa7721ec8363324d896386e70160891cde Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 29 Feb 2024 14:49:53 -0500
Subject: cmCurl: Add helper to print curl tls version

---
 Source/cmCurl.cxx | 20 ++++++++++++++++++++
 Source/cmCurl.h   |  1 +
 2 files changed, 21 insertions(+)

diff --git a/Source/cmCurl.cxx b/Source/cmCurl.cxx
index 5127110..dbb5e39 100644
--- a/Source/cmCurl.cxx
+++ b/Source/cmCurl.cxx
@@ -54,6 +54,26 @@ cm::optional<int> cmCurlParseTLSVersion(cm::string_view tls_version)
   return v;
 }
 
+cm::optional<std::string> cmCurlPrintTLSVersion(int curl_tls_version)
+{
+  cm::optional<std::string> s;
+  switch (curl_tls_version) {
+    case CURL_SSLVERSION_TLSv1_0:
+      s = "CURL_SSLVERSION_TLSv1_0"_s;
+      break;
+    case CURL_SSLVERSION_TLSv1_1:
+      s = "CURL_SSLVERSION_TLSv1_1"_s;
+      break;
+    case CURL_SSLVERSION_TLSv1_2:
+      s = "CURL_SSLVERSION_TLSv1_2"_s;
+      break;
+    case CURL_SSLVERSION_TLSv1_3:
+      s = "CURL_SSLVERSION_TLSv1_3"_s;
+      break;
+  }
+  return s;
+}
+
 std::string cmCurlSetCAInfo(::CURL* curl, const std::string& cafile)
 {
   std::string e;
diff --git a/Source/cmCurl.h b/Source/cmCurl.h
index 9675e08..8b8c88b 100644
--- a/Source/cmCurl.h
+++ b/Source/cmCurl.h
@@ -12,6 +12,7 @@
 #include <cm3p/curl/curl.h>
 
 cm::optional<int> cmCurlParseTLSVersion(cm::string_view tls_version);
+cm::optional<std::string> cmCurlPrintTLSVersion(int curl_tls_version);
 std::string cmCurlSetCAInfo(::CURL* curl, const std::string& cafile = {});
 std::string cmCurlSetNETRCOption(::CURL* curl, const std::string& netrc_level,
                                  const std::string& netrc_file);
-- 
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