From 4ace4427d4b7432bfa4ad1c1a00fd4ecb0c98121 Mon Sep 17 00:00:00 2001
From: "K. Lange" <klange@toaruos.org>
Date: Fri, 2 Mar 2018 21:22:49 +0900
Subject: [PATCH] Add some time stuff to libc

---
 include/time.h |  2 ++
 libc/time.c    | 15 +++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 libc/time.c

diff --git a/include/time.h b/include/time.h
index 0186d29d..5157986d 100644
--- a/include/time.h
+++ b/include/time.h
@@ -17,3 +17,5 @@ struct tm {
 
 extern struct tm *localtime(const time_t *timep);
 extern size_t strftime(char *s, size_t max, const char *format, const struct tm *tm);
+extern time_t time(time_t * out);
+extern double difftime(time_t a, time_t b);
diff --git a/libc/time.c b/libc/time.c
new file mode 100644
index 00000000..159b0309
--- /dev/null
+++ b/libc/time.c
@@ -0,0 +1,15 @@
+#include <time.h>
+#include <sys/time.h>
+
+time_t time(time_t * out) {
+	struct timeval p;
+	gettimeofday(&p, NULL);
+	if (out) {
+		*out = p.tv_sec;
+	}
+	return p.tv_sec;
+}
+
+double difftime(time_t a, time_t b) {
+	return (double)(a - b);
+}