Added comments

C-Collamar · web-flow · commit 1b042a30f70e · 2016-11-18T15:43:28.000+08:00
diff --git a/Line Drawing/memory.h b/Line Drawing/memory.h
@@ -1,3 +1,4 @@
+//this function initializes SDL video subsystem
 void init(void) {
 	SDL_Init(SDL_INIT_VIDEO);
 }
@@ -39,6 +40,7 @@ void destroyRenderer(SDL_Renderer **ren) {
 	SDL_DestroyRenderer(*ren);
 }
 
+//this function deallocates memory allocated at the beginning of the program
 void cleanup(SDL_Window **win, SDL_Renderer **ren) {
 	destroyWindow(win);
 	destroyRenderer(ren);

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+//this function initializes SDL video subsystem`
`1`	`2`	`void init(void) {`
`2`	`3`	`SDL_Init(SDL_INIT_VIDEO);`
`3`	`4`	`}`
`@@ -39,6 +40,7 @@ void destroyRenderer(SDL_Renderer **ren) {`
`39`	`40`	`SDL_DestroyRenderer(*ren);`
`40`	`41`	`}`
`41`	`42`
	`43`	`+//this function deallocates memory allocated at the beginning of the program`
`42`	`44`	`void cleanup(SDL_Window win, SDL_Renderer ren) {`
`43`	`45`	`destroyWindow(win);`
`44`	`46`	`destroyRenderer(ren);`