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Fix memory leaks in examples/shapedwindow.cxx

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Note: usually we don't (need to) care for pseudo "leaks" at the end of
the program, we could just return, but this is a test and demo program.
This commit is contained in:
Albrecht Schlosser 2024-11-01 16:48:20 +01:00
parent 9d708a1b5a
commit 9bcef81cae
1 changed files with 9 additions and 4 deletions
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13
examples/shapedwindow.cxx
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@ -1,7 +1,7 @@
//
// shapedwindow example source file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2014 by Bill Spitzak and others.
// Copyright 1998-2024 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
@ -93,7 +93,8 @@ int main(int argc, char **argv) {
Fl_RGB_Image *img = prepare_shape(dim);
win->shape(img);
dragbox *box = new dragbox(0, 0, win->w(), win->h());
box->image(new Fl_Tiled_Image(new Fl_Pixmap((const char * const *)tile_xpm)));
Fl_Pixmap *pxm = new Fl_Pixmap((const char * const *)tile_xpm);
box->bind_image(new Fl_Tiled_Image(pxm)); // Fl_Tiled_Image will be auto-released
Fl_Group *g = new Fl_Group(10, 20, 80, 20);
g->box(FL_NO_BOX);
Fl_Button *b = new Fl_Button(10, 20, 80, 20, "Close");
@ -113,7 +114,11 @@ int main(int argc, char **argv) {
win->end();
win->resizable(win);
win->show(argc, argv);
Fl::run();
// Test for memory leaks: this is not necessary, it's just for demonstration.
// Memory checkers like Address Sanitizer or Valgrind would flag leaks.
int ret = Fl::run();
delete win;
return 0;
delete pxm;
delete img;
return ret;
}