Add more error checking

1 files changed, 10 insertions, 0 deletions

diff --git a/obj.c b/obj.c
index 3b834e5..20f66ca 100644
--- a/obj.c
+++ b/obj.c
@@ -1,5 +1,8 @@
 /* obj.c
  *
+ * Kamil Kaminski
+ * kamilkss@gmail.com
+ *
  * OBJ Loader
  * initial code: http://www.gamedev.net/community/forums/topic.asp?topic_id=312335
  *
@@ -21,6 +24,10 @@ ObjModel* ObjLoadModel(char *memory, size_t size)
     /* initialize to zero */
     memset(ret, 0, sizeof(ObjModel));
 
+    /* if size is 0, meaning file was not loaded correctly, return null */
+    if (!size)
+        return ret;
+
     p = memory;
     e = memory + size;
     
@@ -228,6 +235,9 @@ size_t ObjLoadFile(char *szFileName, char **memory)
 
         fclose(file);
     }
+    else
+        perror("fopen");    
+
     return bytes;
 }