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fix a memory leak of GUI::Trackbar

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This commit is contained in:
ser1zw 2012-02-05 19:08:46 +09:00
parent 903f2ae5c9
commit b44f936f95
2 changed files with 9 additions and 2 deletions
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10
ext/opencv/trackbar.cpp
View file

@ -30,7 +30,7 @@ void define_ruby_class() {
return; return;
/* /*
* opencv = rb_define_module("OpenCV"); * opencv = rb_define_module("OpenCV");
* GUI = rb_define_module_under(opencv, "GUI"); * GUI = rb_define_module_under(opencv, "GUI");
* *
* note: this comment is used by rdoc. * note: this comment is used by rdoc.
*/ */
@ -46,13 +46,19 @@ void define_ruby_class() {
VALUE rb_allocate(VALUE klass) { VALUE rb_allocate(VALUE klass) {
Trackbar *ptr; Trackbar *ptr;
return Data_Make_Struct(klass, Trackbar, trackbar_mark, 0, ptr); return Data_Make_Struct(klass, Trackbar, trackbar_mark, trackbar_free, ptr);
} }
void trackbar_mark(void *ptr) { void trackbar_mark(void *ptr) {
rb_gc_mark(((Trackbar*)ptr)->block); rb_gc_mark(((Trackbar*)ptr)->block);
} }
void trackbar_free(void *ptr) {
Trackbar *trackbar = (Trackbar*)ptr;
free(trackbar->name);
free(trackbar);
}
/* /*
* call-seq: * call-seq:
* new(<i>name,maxval[,val],&block</i>) * new(<i>name,maxval[,val],&block</i>)

1
ext/opencv/trackbar.h
View file

@ -37,6 +37,7 @@ void define_ruby_class();
VALUE rb_allocate(VALUE klass); VALUE rb_allocate(VALUE klass);
void trackbar_mark(void *ptr); void trackbar_mark(void *ptr);
void trackbar_free(void *ptr);
VALUE rb_initialize(int argc, VALUE *argv, VALUE self); VALUE rb_initialize(int argc, VALUE *argv, VALUE self);
VALUE rb_name(VALUE self); VALUE rb_name(VALUE self);