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clean up allocated memory properly when raising Ruby exceptions upon object creation

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This commit is contained in:
Josh Holtrop 2014-07-25 16:29:19 -04:00
parent 9203a94a71
commit 8d8c9adcb3
3 changed files with 23 additions and 17 deletions
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9
src/GLProgram.cc
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@ -24,14 +24,15 @@ static void GLProgram_free(void * ptr)
static VALUE GLProgram_new(int argc, VALUE * argv, VALUE klass) static VALUE GLProgram_new(int argc, VALUE * argv, VALUE klass)
{ {
GLProgram * glprogram = new GLProgram(); GLuint id = glCreateProgram();
if (id == 0u)
glprogram->id = glCreateProgram();
if (glprogram->id == 0u)
{ {
rb_raise(rb_eRuntimeError, "Error allocating GL program object"); rb_raise(rb_eRuntimeError, "Error allocating GL program object");
} }
GLProgram * glprogram = new GLProgram();
glprogram->id = id;
VALUE rv = Data_Wrap_Struct(klass, NULL, GLProgram_free, glprogram); VALUE rv = Data_Wrap_Struct(klass, NULL, GLProgram_free, glprogram);
rb_obj_call_init(rv, argc, argv); rb_obj_call_init(rv, argc, argv);

10
src/GLShader.cc
View File

@ -79,7 +79,6 @@ static void GLShader_free(void * ptr)
static VALUE GLShader_new(VALUE klass, VALUE type, VALUE source) static VALUE GLShader_new(VALUE klass, VALUE type, VALUE source)
{ {
GLShader * glshader = new GLShader();
GLenum shader_type; GLenum shader_type;
if (type == ID2SYM(rb_intern("vertex"))) if (type == ID2SYM(rb_intern("vertex")))
@ -99,9 +98,12 @@ static VALUE GLShader_new(VALUE klass, VALUE type, VALUE source)
type_cstr); type_cstr);
} }
glshader->id = create_shader(shader_type, GLuint id = create_shader(shader_type,
RSTRING_PTR(source), RSTRING_PTR(source),
RSTRING_LEN(source)); RSTRING_LEN(source));
GLShader * glshader = new GLShader();
glshader->id = id;
return Data_Wrap_Struct(klass, NULL, GLShader_free, glshader); return Data_Wrap_Struct(klass, NULL, GLShader_free, glshader);
} }

21
src/Window.cc
View File

@ -72,19 +72,22 @@ static VALUE Window_new(VALUE klass)
} }
Init_SDL(); Init_SDL();
Window * window = new Window();
window->sdl_window = SDL_CreateWindow("jes", SDL_Window * sdl_window =
SDL_WINDOWPOS_UNDEFINED, SDL_CreateWindow("jes",
SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
WIDTH, SDL_WINDOWPOS_UNDEFINED,
HEIGHT, WIDTH,
SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE); HEIGHT,
if (window->sdl_window == NULL) SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
if (sdl_window == NULL)
{ {
free(window);
rb_raise(rb_eRuntimeError, "Failed to create SDL window"); rb_raise(rb_eRuntimeError, "Failed to create SDL window");
} }
Window * window = new Window();
window->sdl_window = sdl_window;
(void)SDL_GL_CreateContext(window->sdl_window); (void)SDL_GL_CreateContext(window->sdl_window);
Init_OpenGL(); Init_OpenGL();