Precompile port-filter regexp

2024-02-20 15:24:08 +01:00
parent bcd8695df4
commit 14e5ea68ce
5 changed files with 29 additions and 14 deletions
--- a/serial_linux.go
+++ b/serial_linux.go
@@ -6,10 +6,15 @@

 package serial

-import "golang.org/x/sys/unix"
+import (
+	"regexp"
+
+	"golang.org/x/sys/unix"
+)

 const devFolder = "/dev"
-const regexFilter = "(ttyS|ttyHS|ttyUSB|ttyACM|ttyAMA|rfcomm|ttyO|ttymxc)[0-9]{1,3}"
+
+var osPortFilter = regexp.MustCompile("(ttyS|ttyHS|ttyUSB|ttyACM|ttyAMA|rfcomm|ttyO|ttymxc)[0-9]{1,3}")

 // termios manipulation functions