Remove some mp_msg calls with no trailing \n

The final goal is all mp_msg calls produce complete lines. We want this
because otherwise, race conditions could corrupt the terminal output,
and it's inconvenient for the client API too. This commit works towards
this goal. There's still code that has this not fixed yet, though.

1 files changed, 4 insertions, 2 deletions

diff --git a/video/out/gl_common.c b/video/out/gl_common.c
index f9af3f32af..dd90bee322 100644
--- a/video/out/gl_common.c
+++ b/video/out/gl_common.c
@@ -41,6 +41,7 @@
 #include <assert.h>
 #include "talloc.h"
 #include "gl_common.h"
+#include "common/common.h"
 #include "options/options.h"
 #include "options/m_option.h"
 
@@ -120,11 +121,12 @@ static const struct feature features[] = {
 
 static void list_features(int set, struct mp_log *log, int msgl, bool invert)
 {
+    char b[128] = {0};
     for (const struct feature *f = &features[0]; f->id; f++) {
         if (invert == !(f->id & set))
-            mp_msg(log, msgl, " [%s]", f->name);
+            mp_snprintf_cat(b, sizeof(b), " [%s]", f->name);
     }
-    mp_msg(log, msgl, "\n");
+    mp_msg(log, msgl, "%s\n", b);
 }
 
 // This guesses if the current GL context is a suspected software renderer.