From 6c6c990727caa881b7b3f045dfaa0a167d347507 Mon Sep 17 00:00:00 2001
From: Mamoru TASAKA <mtasaka@fedoraproject.org>
Date: Tue, 4 May 2021 09:58:54 +0900
Subject: [PATCH] blurb: show 1/100 sec on linux

---
 driver/blurb.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/driver/blurb.c b/driver/blurb.c
index d732a9b..010923b 100644
--- a/driver/blurb.c
+++ b/driver/blurb.c
@@ -28,8 +28,23 @@ blurb (void)
   struct tm tm;
   time_t now;
   int i;
+#ifdef __linux__
+  struct timespec tp;
+  unsigned int sec_per_100 = 0;
+#endif
+
+#ifdef __linux__
+  if ( (clock_gettime(CLOCK_REALTIME_COARSE, &tp)) == 0 )
+  {
+    now = tp.tv_sec;
+    sec_per_100 = tp.tv_nsec / 10000000; /* 10^9 / 10^7 */
+  }
+  else
+#endif
+  {
+    now = time ((time_t *) 0);
+  }
 
-  now = time ((time_t *) 0);
   localtime_r (&now, &tm);
   i = strlen (progname);
   if (i > 40) i = 40;
@@ -44,6 +59,13 @@ blurb (void)
   buf[i++] = ':';
   buf[i++] = '0' + (tm.tm_sec >= 10 ? tm.tm_sec/10 : 0);
   buf[i++] = '0' + (tm.tm_sec % 10);
+
+#ifdef __linux__
+  buf[i++] = '.';
+  buf[i++] = '0' + (sec_per_100 >= 10 ? sec_per_100/10 : 0);
+  buf[i++] = '0' + (sec_per_100 % 10);
+#endif
+
   buf[i] = 0;
   return buf;
 }
-- 
2.31.1