Removed mostly unused SDL_errorcode

src/SDL_error.c

@@ -59,7 +59,6 @@ int SDL_SetError(SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
     return -1;
 }
 
-/* Available for backwards compatibility */
 const char *SDL_GetError(void)
 {
     const SDL_error *error = SDL_GetErrBuf(SDL_FALSE);
@@ -88,22 +87,13 @@ int SDL_ClearError(void)
     return 0;
 }
 
-/* Very common errors go here */
-int SDL_Error(SDL_errorcode code)
+int SDL_OutOfMemory(void)
 {
-    switch (code) {
-    case SDL_ENOMEM:
-        SDL_GetErrBuf(SDL_TRUE)->error = SDL_ErrorCodeOutOfMemory;
-        return -1;
-    case SDL_EFREAD:
-        return SDL_SetError("Error reading from datastream");
-    case SDL_EFWRITE:
-        return SDL_SetError("Error writing to datastream");
-    case SDL_EFSEEK:
-        return SDL_SetError("Error seeking in datastream");
-    case SDL_UNSUPPORTED:
-        return SDL_SetError("That operation is not supported");
-    default:
-        return SDL_SetError("Unknown SDL error");
+    SDL_error *error = SDL_GetErrBuf(SDL_TRUE);
+
+    if (error) {
+        error->error = SDL_ErrorCodeOutOfMemory;
     }
+    return -1;
 }
+