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Clearified the libusb whitelist default logic

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Sam Lantinga 2023-08-14 12:19:37 -07:00
parent f4520821ef
commit 3e1ae0c867
1 changed files with 7 additions and 4 deletions
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11
src/hidapi/SDL_hidapi.c
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@ -902,11 +902,14 @@ IsInWhitelist(Uint16 vendor, Uint16 product)
}
#if HAVE_PLATFORM_BACKEND || HAVE_DRIVER_BACKEND
#define use_libusb_whitelist_default SDL_TRUE
/* We have another way to get HID devices, so use the whitelist to get devices where libusb is preferred */
#define SDL_HIDAPI_LIBUSB_WHITELIST_DEFAULT SDL_TRUE
#else
#define use_libusb_whitelist_default SDL_FALSE
/* libusb is the only way to get HID devices, so don't use the whitelist, get them all */
#define SDL_HIDAPI_LIBUSB_WHITELIST_DEFAULT SDL_FALSE
#endif /* HAVE_PLATFORM_BACKEND || HAVE_DRIVER_BACKEND */
static SDL_bool use_libusb_whitelist = use_libusb_whitelist_default;
static SDL_bool use_libusb_whitelist = SDL_HIDAPI_LIBUSB_WHITELIST_DEFAULT;
#endif /* HAVE_LIBUSB */
@ -1154,7 +1157,7 @@ int SDL_hid_init(void)
#ifdef HAVE_LIBUSB
use_libusb_whitelist = SDL_GetHintBoolean("SDL_HIDAPI_LIBUSB_WHITELIST",
use_libusb_whitelist_default);
SDL_HIDAPI_LIBUSB_WHITELIST_DEFAULT);
if (SDL_getenv("SDL_HIDAPI_DISABLE_LIBUSB") != NULL) {
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT,
"libusb disabled by SDL_HIDAPI_DISABLE_LIBUSB");