usign List except for array to prevent holes on getgrouplist results

diff --git a/mcs/class/Mono.Posix/Mono.Unix.Native/Syscall.cs b/mcs/class/Mono.Posix/Mono.Unix.Native/Syscall.cs
index f8e6d7228f2ac41ad045caf95ce46b49159cdf61..5685761071544a5a1c10ede10f5ed6f030b87e78 100644 (file)
--- a/mcs/class/Mono.Posix/Mono.Unix.Native/Syscall.cs
+++ b/mcs/class/Mono.Posix/Mono.Unix.Native/Syscall.cs
@@ -55,6 +55,7 @@
 
 using System;
 using System.Collections;
+using System.Collections.Generic;
 using System.Runtime.InteropServices;
 using System.Security;
 using System.Text;
@@ -2209,7 +2210,7 @@ namespace Mono.Unix.Native {
                        return getgrouplist (pw);
                }
 
-               public static Group [] getgrouplist (Passwd user)
+               public static Group [] getgrouplist (Passwd user)
                {
                        if (user == null)
                                throw new ArgumentNullException ("user");
@@ -2223,14 +2224,14 @@ namespace Mono.Unix.Native {
                                res = sys_getgrouplist (user.pw_name, user.pw_gid, groups, ref ngroups);
                        }
                        while (res == -1);
-                       Group [] result = new Group [res];
+                       List<Group> result = new List<Group> ();
                        Group gr = null;
                        for (int i = 0; i < res; i++) {
                                gr = Syscall.getgrgid (groups [i]);
                                if (gr != null) 
-                                       result [i] = gr;
+                                       result.Add (gr);
                        }
-                       return result;
+                       return result.ToArray ();
                }
 
                // setgroups(2)