Merge pull request #39 from DataDog/will/fix-cmdline-cutset

[Process] fix cmdline cuteset

Author: Gui774ume

process/process_linux.go

@@ -1,3 +1,4 @@
+//go:build linux
 // +build linux
 
 package process
@@ -618,9 +619,7 @@ func (p *Process) fillSliceFromCmdline() ([]string, error) {
 	if len(cmdline) == 0 {
 		return nil, nil
 	}
-	if cmdline[len(cmdline)-1] == 0 {
-		cmdline = cmdline[:len(cmdline)-1]
-	}
+	cmdline = bytes.TrimRight(cmdline, "\x00")
 	parts := bytes.Split(cmdline, []byte{0})
 	var strParts []string
 	for _, p := range parts {