Support Env set() without overwrite on windows

ooc-lang · Apr 1, 2016 · 45ccea8 · 45ccea8
1 parent 971ddd3
commit 45ccea8
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/sdk/os/Env.ooc b/sdk/os/Env.ooc
@@ -25,8 +25,13 @@ Env: class {
     set: static func (key, value: String, overwrite: Bool) -> Int {
         if(key != null && value != null) {
             version(windows) {
-                // todo: handle overwrite
-                return putenv( "%s=%s" format(key toCString(), value toCString()) toCString() )
+                exists := false
+                if (!overwrite) {
+                    old := This get(key)
+                    exists = (old != null)
+                }
+                if (overwrite || !exists)
+                    return putenv( "%s=%s" format(key toCString(), value toCString()) toCString() )
             }
             version(!windows) {
                 return setenv(key toCString(), value toCString(), overwrite)