From 83f368cdbece81af6ccb02baf8c35489679db9db Mon Sep 17 00:00:00 2001
From: jgmdev <jgmdev@gmail.com>
Date: Tue, 31 May 2022 14:57:26 -0400
Subject: [PATCH] core: check for sdl initialization errors

---
 src/main.c      |  9 ++++++++-
 src/renwindow.c | 11 ++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/main.c b/src/main.c
index 0ce74862..2f44d7c9 100644
--- a/src/main.c
+++ b/src/main.c
@@ -91,7 +91,10 @@ int main(int argc, char **argv) {
   signal(SIGPIPE, SIG_IGN);
 #endif
 
-  SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS);
+  if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) != 0) {
+    fprintf(stderr, "Error initializing sdl: %s", SDL_GetError());
+    exit(1);
+  }
   SDL_EnableScreenSaver();
   SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
   atexit(SDL_Quit);
@@ -122,6 +125,10 @@ int main(int argc, char **argv) {
     "", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, dm.w * 0.8, dm.h * 0.8,
     SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_HIDDEN);
   init_window_icon();
+  if (!window) {
+    fprintf(stderr, "Error creating lite-xl window: %s", SDL_GetError());
+    exit(1);
+  }
   ren_init(window);
 
   lua_State *L;
diff --git a/src/renwindow.c b/src/renwindow.c
index c2aa0096..3f83f294 100644
--- a/src/renwindow.c
+++ b/src/renwindow.c
@@ -35,6 +35,10 @@ void renwin_init_surface(UNUSED RenWindow *ren) {
   int w, h;
   SDL_GL_GetDrawableSize(ren->window, &w, &h);
   ren->surface = SDL_CreateRGBSurfaceWithFormat(0, w, h, 32, SDL_PIXELFORMAT_BGRA32);
+  if (!ren->surface) {
+    fprintf(stderr, "Error creating surface: %s", SDL_GetError());
+    exit(1);
+  }
   setup_renderer(ren, w, h);
 #endif
 }
@@ -68,7 +72,12 @@ SDL_Surface *renwin_get_surface(RenWindow *ren) {
 #ifdef LITE_USE_SDL_RENDERER
   return ren->surface;
 #else
-  return SDL_GetWindowSurface(ren->window);
+  SDL_Surface *surface = SDL_GetWindowSurface(ren->window);
+  if (!surface) {
+    fprintf(stderr, "Error getting window surface: %s", SDL_GetError());
+    exit(1);
+  }
+  return surface;
 #endif
 }