openssl enc: Don't unbuffer stdin

 - unbuffer causes single-byte reads from stdin and poor performance

Fixes #3281
CLA: trivial

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3299)

diff --git a/apps/enc.c b/apps/enc.c
index a1b2b3cac8a1d8b82981754fa8fb4f8cb6f8c5e1..157cb943b6c78b9739608fbf0acec08767eaabf0 100644 (file)
--- a/apps/enc.c
+++ b/apps/enc.c
@@ -291,7 +291,6 @@ int enc_main(int argc, char **argv)
     buff = app_malloc(EVP_ENCODE_LENGTH(bsize), "evp buffer");
 
     if (infile == NULL) {
-        unbuffer(stdin);
         in = dup_bio_in(informat);
     } else
         in = bio_open_default(infile, 'r', informat);