From 6ce2ac20e1d9095281a233aeb778d0fa2c82dd74 Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Sun, 4 Jun 2023 23:26:06 +0200
Subject: better diagnostics

---
 io.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'io.c')

diff --git a/io.c b/io.c
index 48325d4..9156d27 100644
--- a/io.c
+++ b/io.c
@@ -550,6 +550,11 @@ vbfmt(struct wbuf *out, const char *fmt, va_list ap)
          }
          if (!ccopt.nocolor) n += bputc(buf, 'm');
          break;
+      case 'M': /* cc mode */
+         iowrite(buf, &"C89\0C99\0C11\0C23"[ccopt.cstd*4], 3);
+         n += 3;
+         n += bwriteS(buf, " mode");
+         break;
       default:
          if (umod || lmod) {
             --fmt;
-- 
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