lib-compression: Add "unsupported" compression

This new compression is only used for testing purposes.

diff --git a/src/lib-compression/compression.c b/src/lib-compression/compression.c
index f1af58c0f9b22ae23c9b2e2afefe9b43f896e53a..a89988be34b34c462442684197cebe9e58f822fb 100644 (file)
--- a/src/lib-compression/compression.c
+++ b/src/lib-compression/compression.c
@@ -166,5 +166,6 @@ const struct compression_handler compression_handlers[] = {
          i_stream_create_lz4, o_stream_create_lz4 },
        { "zstd", ".zstd", is_compressed_zstd,
          i_stream_create_zstd, o_stream_create_zstd },
+       { "unsupported", NULL, NULL, NULL, NULL },
        { NULL, NULL, NULL, NULL, NULL }
 };