mirror of https://github.com/Llewellynvdm/fzf.git
101 lines
1.7 KiB
Go
101 lines
1.7 KiB
Go
package util
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// #include <unistd.h>
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import "C"
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import (
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"math"
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"os"
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"os/exec"
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"time"
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)
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// Max returns the largest integer
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func Max(first int, second int) int {
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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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// Min returns the smallest integer
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func Min(first int, second int) int {
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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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// Min32 returns the smallest 32-bit integer
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func Min32(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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// Max32 returns the largest 32-bit integer
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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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// 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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// 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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}
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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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func AsUint16(val int) uint16 {
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if val > math.MaxUint16 {
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return math.MaxUint16
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} else if val < 0 {
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return 0
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}
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return uint16(val)
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}
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// DurWithin limits the given time.Duration with the upper and lower bounds
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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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// 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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// ExecCommand executes the given command with $SHELL
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func ExecCommand(command string) *exec.Cmd {
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shell := os.Getenv("SHELL")
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if len(shell) == 0 {
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shell = "sh"
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}
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return exec.Command(shell, "-c", command)
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}
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