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hidapi: Allow disabling libusb support at runtime

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This commit is contained in:
Ethan Lee 2022-05-30 16:17:04 -04:00 committed by Sam Lantinga
parent c87b0142fe
commit 964e979d06
1 changed files with 53 additions and 47 deletions
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6
src/hidapi/SDL_hidapi.c
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@ -1037,6 +1037,11 @@ int SDL_hid_init(void)
#endif
#ifdef SDL_LIBUSB_DYNAMIC
if (SDL_getenv("SDL_HIDAPI_DISABLE_LIBUSB") != NULL) {
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT,
"libusb disabled by SDL_HIDAPI_DISABLE_LIBUSB");
libusb_ctx.libhandle = NULL;
} else {
++attempts;
libusb_ctx.libhandle = SDL_LoadObject(SDL_LIBUSB_DYNAMIC);
if (libusb_ctx.libhandle != NULL) {
@ -1087,6 +1092,7 @@ int SDL_hid_init(void)
++success;
}
}
}
#endif /* SDL_LIBUSB_DYNAMIC */
#if HAVE_PLATFORM_BACKEND