segfault fixed

Makefile

 CFLAGS = -Wno-unused-command-line-argument -Wno-missing-field-initializers  -Wall -Wextra -Wpedantic -lm -fopenmp
-DEBUG_CFLAGS = -g -DDEBUG
+DEBUG_CFLAGS = -g -DDEBUG -pg -O0 
 
 LDLIBS = $(shell pkg-config --libs sdl2 SDL2_ttf)
 
-CFLAGS := $(CFLAGS) -O3
-CFLAGS := $(CFLAGS) -pg
+#CFLAGS := $(CFLAGS) -O3
 CFLAGS := $(CFLAGS) $(DEBUG_CFLAGS)
 
 SRCDIR=src
 BIULDDIR=build
 # compiler
-CC = gcc
-#CC = clang
+#CC = gcc
+CC = clang
 
 OBJS = $(BIULDDIR)/mouse.o $(BIULDDIR)/ui.o
 

src/mandelbrot.c

@@ -44,6 +44,7 @@ typedef struct {
 void
 calculate_set(Array *arr, int height, int width, ViewInfo view)
 {
+    //printf("arr size: %d, screen %d\n", arr->size, height * width); 
     for (int x = 0; x < width; x++) {
         for (int y = 0; y < height; y++) {
             double real = view.x_min + (x * (view.x_max - view.x_min)) / width;
@@ -53,16 +54,15 @@ calculate_set(Array *arr, int height, int width, ViewInfo view)
             int iterations = mandelbrot(c);
 
             if (iterations == MAX_ITERATIONS){
-                arr->pointer[x * width + y].r = 0;
-                arr->pointer[x * width + y].g = 0;
-                arr->pointer[x * width + y].b = 0;
+                arr->pointer[x * height + y].r = 0;
+                arr->pointer[x * height + y].g = 0;
+                arr->pointer[x * height + y].b = 0;
             } else {
                 double t = (double)iterations / MAX_ITERATIONS;
                 t = 0.5 + 0.5 * cos(log(t + 0.0001) * 3.0);
-                
-                arr->pointer[x * width + y].r = 255 * t;
-                arr->pointer[x * width + y].g = 255 * t * 0.4;
-                arr->pointer[x * width + y].b = 255 * t * 0.2;
+                arr->pointer[x * height + y].r = 255 * t;
+                arr->pointer[x * height + y].g = 255 * t * 0.4;
+                arr->pointer[x * height + y].b = 255 * t * 0.2;
             }
         }
     }
@@ -74,18 +74,18 @@ render_cl(Array *arr, App *app, ViewInfo view, int start_x, int start_y) {
     SDL_SetRenderDrawColor(app->renderer, 0, 0, 50, 255);
     SDL_RenderClear(app->renderer);
     
-    if (arr->size < app->win_height * app->win_width){
+    if (arr->size < app->win_height * app->win_width * sizeof(Color)){
         arr->pointer = realloc(arr->pointer, app->win_height * app->win_width * sizeof(Color));
-        arr->size = app->win_height * app->win_width;
+        arr->size = app->win_height * app->win_width * sizeof(Color);
     }
     calculate_set(arr, app->win_height, app->win_width, view); 
 
     for (int x = 0; x < app->win_width; x++) {
         for (int y = 0; y < app->win_height; y++) {
         SDL_SetRenderDrawColor(app->renderer, 
-                arr->pointer[x * app->win_width + y].r,
-                arr->pointer[x * app->win_width + y].g,
-                arr->pointer[x * app->win_width + y].b,
+                arr->pointer[x * app->win_height + y].r,
+                arr->pointer[x * app->win_height + y].g,
+                arr->pointer[x * app->win_height + y].b,
                 255);
         SDL_RenderDrawPoint(app->renderer, x, y);
         }
@@ -170,7 +170,7 @@ main(int argc, char *argv[])
     
     Array screen = {
     malloc(app.win_height * app.win_width * sizeof(Color)),
-    app.win_height * app.win_width
+    app.win_height * app.win_width * sizeof(Color)
     };
 
 
@@ -225,12 +225,12 @@ main(int argc, char *argv[])
                     break;
             }
         }
-        SDL_SetRenderDrawColor(app.renderer, 0xff, 0xff, 0xff, 0xff);
-        SDL_RenderClear(app.renderer);
         
         //drawing happens here
-        
+        SDL_SetRenderDrawColor(app.renderer, 0xff, 0xff, 0xff, 0xff);
+        SDL_RenderClear(app.renderer);
         render_cl(&screen, &app, view, 0, 0);
+
        // render(&app, 
        //         view, 
        //         0, app.win_width, 
@@ -244,9 +244,10 @@ main(int argc, char *argv[])
         render_ui(&ui, app.renderer, view, fps);
 
         SDL_RenderPresent(app.renderer);
-
     }
         //SDL_FreeSurface(app.surfaceA);
+        free(screen.pointer);
+
         SDL_DestroyRenderer(app.renderer);
         SDL_DestroyWindow(app.window);
         SDL_Quit();