Merge branch 'dgud/wx/fix-driver-usage'

* dgud/wx/fix-driver-usage:
  wx: open_port doesn't allow 0 terminated strings anymore

1 files changed, 10 insertions, 3 deletions

diff --git a/lib/wx/c_src/wxe_ps_init.c b/lib/wx/c_src/wxe_ps_init.c
index e6b677d469..277f3ac25f 100644
--- a/lib/wx/c_src/wxe_ps_init.c
+++ b/lib/wx/c_src/wxe_ps_init.c
@@ -61,13 +61,20 @@ int is_packaged_app() {
 void * wxe_ps_init2() {
    NSAutoreleasePool *pool;
    ProcessSerialNumber psn;
-
+   size_t app_len = 127;
+   char app_title_buf[128];
+   char * app_title;
    // Setup and enable gui
    pool = [[NSAutoreleasePool alloc] init];
-   
+
    if( !is_packaged_app() ) {
       // Undocumented function (but no documented way of doing this exists)
-      char *app_title = getenv("WX_APP_TITLE");
+      int res = erl_drv_getenv("WX_APP_TITLE", app_title_buf, &app_len);
+      if (res >= 0) {
+          app_title = app_title_buf;
+      } else {
+          app_title = NULL;
+      }
       if(!GetCurrentProcess(&psn)) {
       	 CPSSetProcessName(&psn, app_title?app_title:"Erlang");
       }