From 521a4d6351b6dadd0a9ebe2db9acf78d4df322af Mon Sep 17 00:00:00 2001
From: Peter Wu <lekensteyn@gmail.com>
Date: Fri, 4 Oct 2013 18:45:42 +0200
Subject: timeadd: Adds a timestamp before every line

---
 timeadd.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 timeadd.c

(limited to 'timeadd.c')

diff --git a/timeadd.c b/timeadd.c
new file mode 100644
index 0000000..061a0ae
--- /dev/null
+++ b/timeadd.c
@@ -0,0 +1,31 @@
+/*
+ * Adds a timestamp before every line.
+ *
+ * Author: Peter Wu <lekensteyn@gmail.com>
+ * Date: 2013-10-04
+ */
+#include <stdio.h>
+#include <time.h>
+#include <string.h>
+#include <stdlib.h>
+
+int main() {
+	char buf[4096];
+
+	while (fgets(buf, sizeof(buf), stdin) != NULL) {
+		char *newline = strrchr(buf, '\n');
+		struct timespec tp;
+
+		clock_gettime(CLOCK_MONOTONIC, &tp);
+
+		if (newline)
+			*newline = '\0';
+
+		printf("[%5llu.%06lu] %s\n",
+			(long long) tp.tv_sec,
+			tp.tv_nsec / 1000,
+			buf);
+	}
+
+	return 0;
+}
-- 
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