SDL: Validate parameters to SDL_ReadStorageFile() and SDL_WriteStorageFile()

From f0d958d850144ae87b90d4631a4eb957088137cc Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 22 Nov 2025 18:41:03 -0800
Subject: [PATCH] Validate parameters to SDL_ReadStorageFile() and
 SDL_WriteStorageFile()

---
 src/storage/SDL_storage.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/storage/SDL_storage.c b/src/storage/SDL_storage.c
index ce95552a04fbf..b7fca7557c3ee 100644
--- a/src/storage/SDL_storage.c
+++ b/src/storage/SDL_storage.c
@@ -251,6 +251,9 @@ bool SDL_ReadStorageFile(SDL_Storage *storage, const char *path, void *destinati
     CHECK_PARAM(!ValidateStoragePath(path)) {
         return false;
     }
+    CHECK_PARAM(length > 0 && !destination) {
+        return SDL_InvalidParamError("destination");
+    }
 
     if (!storage->iface.read_file) {
         return SDL_Unsupported();
@@ -269,6 +272,9 @@ bool SDL_WriteStorageFile(SDL_Storage *storage, const char *path, const void *so
     CHECK_PARAM(!ValidateStoragePath(path)) {
         return false;
     }
+    CHECK_PARAM(length > 0 && !source) {
+        return SDL_InvalidParamError("source");
+    }
 
     if (!storage->iface.write_file) {
         return SDL_Unsupported();