From 156d34df8ca81688429b6a3c234f42c19274cb11 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Mon, 15 Feb 2016 08:42:35 -0800
Subject: [PATCH] Fixed crash if some initialization succeeded and some didn't,
 thanks to Dongwon Kang

---
 IMG_jpg.c  | 2 +-
 IMG_png.c  | 2 +-
 IMG_tif.c  | 2 +-
 IMG_webp.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/IMG_jpg.c b/IMG_jpg.c
index 05fd80d0..cd9d323d 100644
--- a/IMG_jpg.c
+++ b/IMG_jpg.c
@@ -386,7 +386,7 @@ SDL_Surface *IMG_LoadJPG_RW(SDL_RWops *src)
     }
     start = SDL_RWtell(src);
 
-    if ( !IMG_Init(IMG_INIT_JPG) ) {
+    if ( (IMG_Init(IMG_INIT_JPG) & IMG_INIT_JPG) == 0 ) {
         return NULL;
     }
 
diff --git a/IMG_png.c b/IMG_png.c
index 3a9d0e84..bddcb3f3 100644
--- a/IMG_png.c
+++ b/IMG_png.c
@@ -362,7 +362,7 @@ SDL_Surface *IMG_LoadPNG_RW(SDL_RWops *src)
     }
     start = SDL_RWtell(src);
 
-    if ( !IMG_Init(IMG_INIT_PNG) ) {
+    if ( (IMG_Init(IMG_INIT_PNG) & IMG_INIT_PNG) == 0 ) {
         return NULL;
     }
 
diff --git a/IMG_tif.c b/IMG_tif.c
index 2a0a3809..7b4d6227 100644
--- a/IMG_tif.c
+++ b/IMG_tif.c
@@ -217,7 +217,7 @@ SDL_Surface* IMG_LoadTIF_RW(SDL_RWops* src)
     }
     start = SDL_RWtell(src);
 
-    if ( !IMG_Init(IMG_INIT_TIF) ) {
+    if ( (IMG_Init(IMG_INIT_TIF) & IMG_INIT_TIF) == 0 ) {
         return NULL;
     }
 
diff --git a/IMG_webp.c b/IMG_webp.c
index 5cb65dc3..496f11f1 100644
--- a/IMG_webp.c
+++ b/IMG_webp.c
@@ -196,7 +196,7 @@ SDL_Surface *IMG_LoadWEBP_RW(SDL_RWops *src)
 
     start = SDL_RWtell(src);
 
-    if ( !IMG_Init(IMG_INIT_WEBP) ) {
+    if ( (IMG_Init(IMG_INIT_WEBP) & IMG_INIT_WEBP) == 0 ) {
         goto error;
     }