2015-01-12 03:56:17 +00:00
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package util
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2015-01-01 19:49:30 +00:00
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2015-01-12 03:56:17 +00:00
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// #include <unistd.h>
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import "C"
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import (
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"os"
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"time"
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)
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2015-01-08 13:07:04 +00:00
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2015-01-11 18:01:24 +00:00
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// Max returns the largest integer
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2015-01-01 19:49:30 +00:00
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func Max(first int, items ...int) int {
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max := first
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for _, item := range items {
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if item > max {
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max = item
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}
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}
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return max
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}
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2015-01-11 18:01:24 +00:00
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// Max32 returns the largest 32-bit integer
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2015-01-08 17:37:08 +00:00
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func Max32(first int32, second int32) int32 {
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if first > second {
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return first
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}
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return second
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}
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2015-03-18 16:59:14 +00:00
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// Constrain32 limits the given 32-bit integer with the upper and lower bounds
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func Constrain32(val int32, min int32, max int32) int32 {
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if val < min {
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return min
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}
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if val > max {
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return max
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}
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return val
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}
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2015-01-12 03:56:17 +00:00
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// Constrain limits the given integer with the upper and lower bounds
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func Constrain(val int, min int, max int) int {
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if val < min {
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return min
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2015-01-01 19:49:30 +00:00
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}
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2015-01-12 03:56:17 +00:00
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if val > max {
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return max
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}
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return val
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2015-01-01 19:49:30 +00:00
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}
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2015-01-08 13:07:04 +00:00
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2015-01-11 18:01:24 +00:00
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// DurWithin limits the given time.Duration with the upper and lower bounds
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2015-01-08 13:07:04 +00:00
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func DurWithin(
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val time.Duration, min time.Duration, max time.Duration) time.Duration {
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if val < min {
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return min
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}
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if val > max {
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return max
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}
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return val
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}
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2015-01-12 03:56:17 +00:00
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// IsTty returns true is stdin is a terminal
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func IsTty() bool {
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return int(C.isatty(C.int(os.Stdin.Fd()))) != 0
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}
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