From b0ba509d8729bcf67b5f65a53f4a7e210b357fbc Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Thu, 25 May 2023 20:28:31 -0700
Subject: [PATCH] hidapi/windows: allow building on Windows, using the SDL C
 runtime

Signed-off-by: Sam Lantinga <slouken@libsdl.org>
---
 src/hidapi/SDL_hidapi_windows.h | 4 ++++
 src/hidapi/windows/hid.c        | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/src/hidapi/SDL_hidapi_windows.h b/src/hidapi/SDL_hidapi_windows.h
index c368863d86..b1b6b4d672 100644
--- a/src/hidapi/SDL_hidapi_windows.h
+++ b/src/hidapi/SDL_hidapi_windows.h
@@ -20,10 +20,14 @@
 */
 
 /* Define standard library functions in terms of SDL */
+#define HIDAPI_USING_SDL_RUNTIME
 #define calloc      SDL_calloc
 #define free        SDL_free
 #define malloc      SDL_malloc
 #define memcmp      SDL_memcmp
+#define snprintf    SDL_snprintf
+#define strlen      SDL_strlen
+#define _strnicmp   SDL_strncasecmp
 #define swprintf    SDL_swprintf
 #define towupper    SDL_toupper
 #define wcscmp      SDL_wcscmp
diff --git a/src/hidapi/windows/hid.c b/src/hidapi/windows/hid.c
index 98d5df4cd3..0c992b2d56 100644
--- a/src/hidapi/windows/hid.c
+++ b/src/hidapi/windows/hid.c
@@ -57,9 +57,11 @@ typedef LONG NTSTATUS;
 #include "hidapi_hidclass.h"
 #include "hidapi_hidsdi.h"
 
+#ifndef HIDAPI_USING_SDL_RUNTIME
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#endif
 
 #ifdef MIN
 #undef MIN