making module compatible with all platforms

autofdmax/init_osx.go

@@ -2,9 +2,7 @@
 
 package autofdmax
 
-import (
-	"github.com/projectdiscovery/fdmax"
-)
+import "github.com/projectdiscovery/fdmax"
 
 func init() {
 	fdmax.Set(fdmax.OSXMax)

autofdmax/init_windows.go → autofdmax/init_others.go

@@ -1,4 +1,4 @@
-// +build windows
+// +build windows freebsd dragonfly plan9
 
 package autofdmax
 

autofdmax/init_linux.go → autofdmax/init_unix.go

@@ -1,4 +1,4 @@
-// +build linux
+// +build linux openbsd netbsd
 
 package autofdmax
 

fdmax.go

@@ -1,8 +1,11 @@
+// +build !windows
+
 package fdmax
 
 import (
 	"runtime"
-	"syscall"
+
+	"golang.org/x/sys/unix"
 )
 
 const (
@@ -16,17 +19,17 @@ type Limits struct {
 }
 
 func Get() (*Limits, error) {
-	var rLimit syscall.Rlimit
-	err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
+	var rLimit unix.Rlimit
+	err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rLimit)
 	if err != nil {
 		return nil, err
 	}
 
-	return &Limits{Current: rLimit.Cur, Max: rLimit.Max}, nil
+	return &Limits{Current: uint64(rLimit.Cur), Max: uint64(rLimit.Max)}, nil
 }
 
 func Set(maxLimit uint64) error {
-	var rLimit syscall.Rlimit
+	var rLimit unix.Rlimit
 	rLimit.Max = maxLimit
 
 	rLimit.Cur = maxLimit
@@ -35,5 +38,5 @@ func Set(maxLimit uint64) error {
 		rLimit.Cur = OSXMax
 	}
 
-	return syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
+	return unix.Setrlimit(unix.RLIMIT_NOFILE, &rLimit)
 }

go.mod

@@ -1,3 +1,5 @@
 module github.com/projectdiscovery/fdmax
 
 go 1.14
+
+require golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3

go.sum

@@ -0,0 +1,2 @@
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3 h1:kzM6+9dur93BcC2kVlYl34cHU+TYZLanmpSJHVMmL64=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=