adds time functions from unix micros/millis

LICENSE

@@ -0,0 +1,14 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+

README.md

@@ -6,10 +6,14 @@ general, so I put them here.
 
 Suggestions are welcome.
 
+Really I think most of these should probably be in the stdlib.
+
 # License
 
 WTFPL (free software, no restrictions)
 
+
+
 # Author
 
 * [sneak@sneak.berlin](mailto:sneak@sneak.berlin)

util.go

@@ -69,3 +69,23 @@ func CopyFile(src, dst string) (err error) {
 	err = out.Sync()
 	return
 }
+
+func TimeFromUnixMilli(ms int64) time.Time {
+	const millisInSecond = 1000
+	const nsInSecond = 1000000
+	return time.Unix(ms/int64(millisInSecond), (ms%int64(millisInSecond))*int64(nsInSecond))
+}
+
+func TimeFromUnixMicro(ms int64) time.Time {
+	const microInSecond = 1000000
+	const nsInSecond = 1000000
+	return time.Unix(ms/int64(microInSecond), (ms%int64(microInSecond))*int64(nsInSecond))
+}
+
+func TimeFromWebKit(input int64) time.Time {
+	// webkit time is stupid and uses 1601-01-01 for epoch
+	// it's 11644473600 seconds behind unix 1970-01-01 epoch
+	// it's also in microseconds
+	unixMicrosCorrected := input - (11644473600 * 1000000)
+	return TimeFromUnixMicro(unixMicrosCorrected)
+}