From feb8a4d2e3453feea53b7b1ff024e82e7403b422 Mon Sep 17 00:00:00 2001
From: Joose Sainio <joose.sainio@tuni.fi>
Date: Thu, 5 May 2022 13:28:50 +0300
Subject: [PATCH] [cli] To print version info to stdout when everything is ok.

---
 src/cli.c     | 4 ++--
 src/cli.h     | 2 +-
 src/encmain.c | 5 +++--
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/cli.c b/src/cli.c
index 5e8d9908..b4f920bc 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -391,9 +391,9 @@ void print_usage(void)
 }
 
 
-void print_version(void)
+void print_version(bool to_stderr)
 {
-  fprintf(stdout,
+  fprintf(to_stderr ? stderr : stdout,
     "uvg266 " VERSION_STRING " [" UVG_COMPILER_STRING "] " UVG_COMPILE_DATE "\n");
 }
 
diff --git a/src/cli.h b/src/cli.h
index 26859213..73912bd1 100644
--- a/src/cli.h
+++ b/src/cli.h
@@ -65,7 +65,7 @@ cmdline_opts_t* cmdline_opts_parse(const uvg_api *api, int argc, char *argv[]);
 void cmdline_opts_free(const uvg_api *api, cmdline_opts_t *opts);
 
 void print_usage(void);
-void print_version(void);
+void print_version(bool);
 void print_help(void);
 void print_frame_info(const uvg_frame_info *const info,
                       const double frame_psnr[3],
diff --git a/src/encmain.c b/src/encmain.c
index 1b19f5fb..2ca3bdc3 100644
--- a/src/encmain.c
+++ b/src/encmain.c
@@ -479,23 +479,24 @@ int main(int argc, char *argv[])
 
   const uvg_api * const api = uvg_api_get(8);
 
-  print_version();
 
   opts = cmdline_opts_parse(api, argc, argv);
   // If problem with command line options, print banner and shutdown.
   if (!opts) {
+    print_version(false);
     print_usage();
 
     goto exit_failure;
   }
   if (opts->version) {
-    print_version();
+    print_version(false);
     goto done;
   }
   if (opts->help) {
     print_help();
     goto done;
   }
+  print_version(true);
 
   input = open_input_file(opts->input);
   if (input == NULL) {