# SDL: Fixed warning C4245: 'initializing': conversion from 'int' to 'Uint32', signed/unsigned mismatch

**URL:** <https://discourse.libsdl.org/t/sdl-fixed-warning-c4245-initializing-conversion-from-int-to-uint32-signed-unsigned-mismatch/49010>\
**Category:** SDL Commits\
**Created:** [February 3, 2024, 7:50pm UTC](https://discourse.libsdl.org/t/sdl-fixed-warning-c4245-initializing-conversion-from-int-to-uint32-signed-unsigned-mismatch/49010 "2024-02-03T19:50:46Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![SDLPushPostBot](https://discourse.libsdl.org/user_avatar/discourse.libsdl.org/sdlpushpostbot/32/4370_2.png) [@SDLPushPostBot](https://discourse.libsdl.org/u/SDLPushPostBot)\
**Post date:** [February 3, 2024, 7:50pm UTC](https://discourse.libsdl.org/t/sdl-fixed-warning-c4245-initializing-conversion-from-int-to-uint32-signed-unsigned-mismatch/49010/1 "2024-02-03T19:50:47Z")

</div>

> <https://github.com/libsdl-org/SDL/commit/c02aaebccc0f24e04cc1cfdc7903b30338d09297>

```diff
From c02aaebccc0f24e04cc1cfdc7903b30338d09297 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 3 Feb 2024 11:16:53 -0800
Subject: [PATCH] Fixed warning C4245: 'initializing': conversion from 'int' to
 'Uint32', signed/unsigned mismatch

---
 test/testautomation_intrinsics.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/testautomation_intrinsics.c b/test/testautomation_intrinsics.c
index 6c3ff3d6eee5..8c1dc7a7a344 100644
--- a/test/testautomation_intrinsics.c
+++ b/test/testautomation_intrinsics.c
@@ -251,7 +251,7 @@ SDL_TARGETING("sse4.1") static void kernel_ints_mul_sse4_1(Sint32 *dest, const S
 
 #ifdef SDL_SSE4_2_INTRINSICS
 SDL_TARGETING("sse4.2") static Uint32 calculate_crc32c_sse4_2(const char *text) {
- Uint32 crc32c = ~0;
+ Uint32 crc32c = ~0u;
     size_t len = SDL_strlen(text);
 
 #if defined( __x86_64__ ) || defined(_M_X64)

```