From 07b675bae63f8f72d32725009a20a75702dad0e5 Mon Sep 17 00:00:00 2001
From: Logan007 <you@example.com>
Date: Thu, 10 Sep 2020 14:05:08 +0545
Subject: [PATCH] made compression scheme name accessible even if not compiled

---
 src/edge.c       | 4 +++-
 src/edge_utils.c | 3 ---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/edge.c b/src/edge.c
index 22c8ff8..7d2efe4 100644
--- a/src/edge.c
+++ b/src/edge.c
@@ -215,7 +215,9 @@ static void setPayloadCompression(n2n_edge_conf_t *conf, int compression) {
   default:
     {
       conf->compression = N2N_COMPRESSION_ID_NONE;
-      traceEvent(TRACE_NORMAL, "the %s compression given by -z_ option is not supported in this version.", compression_str(compression));
+      // internal comrpession scheme numbering differs from cli counting by one, hence plus one
+      // (internal: 0 == invalid, 1 == none, 2 == lzo, 3 == zstd)
+      traceEvent(TRACE_NORMAL, "the %s compression given by -z_ option is not supported in this version.", compression_str(compression + 1));
       exit(1); // to make the user aware
     }
   }
diff --git a/src/edge_utils.c b/src/edge_utils.c
index de09226..205f155 100644
--- a/src/edge_utils.c
+++ b/src/edge_utils.c
@@ -115,10 +115,7 @@ const char* compression_str(uint8_t cmpr) {
   switch(cmpr) {
   case N2N_COMPRESSION_ID_NONE:  return("none");
   case N2N_COMPRESSION_ID_LZO:   return("lzo1x");
-
-#ifdef HAVE_LIBZSTD
   case N2N_COMPRESSION_ID_ZSTD:  return("zstd");
-#endif
   default:                       return("invalid");
   };
 }