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https://github.com/wiiu-env/libsdutils.git
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Add CleanUpHandles-Callbacks
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@ -28,6 +28,8 @@ enum SDUtilsAttachStatus {
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typedef void (*SDAttachHandlerFn)(SDUtilsAttachStatus status);
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typedef void (*SDCleanUpHandlesHandlerFn)();
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/**
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* Initializes the SDUtils library. This must be call before any other function can be called
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* @return SDUTILS_RESULT_SUCCESS on success, the functions of this lib can be used
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@ -61,7 +63,7 @@ SDUtilsStatus SDUtils_DeInit();
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* @return SDUTILS_RESULT_SUCCESS on success
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* SDUTILS_RESULT_MAX_CALLBACKS when registering the callback has failed because the
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* maximum amount of callback has been reached
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* SDUTILS_RESULT_LIB_UNINITIALIZED if the lib was not initalized properly
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* SDUTILS_RESULT_LIB_UNINITIALIZED if the lib was not initialized properly
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*/
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SDUtilsStatus SDUtils_AddAttachHandler(SDAttachHandlerFn fn);
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@ -71,10 +73,38 @@ SDUtilsStatus SDUtils_AddAttachHandler(SDAttachHandlerFn fn);
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* @param fn
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* @return SDUTILS_RESULT_SUCCESS on success
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* SDUTILS_RESULT_NOT_FOUND when the given callback was not registered.
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* SDUTILS_RESULT_LIB_UNINITIALIZED if the lib was not initalized properly
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* SDUTILS_RESULT_LIB_UNINITIALIZED if the lib was not initialized properly
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*/
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SDUtilsStatus SDUtils_RemoveAttachHandler(SDAttachHandlerFn fn);
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/**
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* Registers a callback which will be called whenever a sd card will be ejected and before
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* the SDUtils_AddAttachHandler. This callback is supposed to be used to clean up any open
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* file handles before the sd card gets unmounted.
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* This is only true for future events, if the sd card is already ejected before registering
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* a callback, the callback is only called on the next ejecting.
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*
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* Any previously registered callbacks will be removed when the currently running application
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* is closing.
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*
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* @param fn callback that will be called
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* @return SDUTILS_RESULT_SUCCESS on success
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* SDUTILS_RESULT_MAX_CALLBACKS when registering the callback has failed because the
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* maximum amount of callback has been reached
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* SDUTILS_RESULT_LIB_UNINITIALIZED if the lib was not initialized properly
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*/
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SDUtilsStatus SDUtils_AddCleanUpHandlesHandler(SDCleanUpHandlesHandlerFn fn);
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/**
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* Removed a previously registered callback
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*
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* @param fn
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* @return SDUTILS_RESULT_SUCCESS on success
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* SDUTILS_RESULT_NOT_FOUND when the given callback was not registered.
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* SDUTILS_RESULT_LIB_UNINITIALIZED if the lib was not initialized properly
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*/
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SDUtilsStatus SDUtils_RemoveCleanUpHandlesHandler(SDCleanUpHandlesHandlerFn fn);
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/**
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* Checks if a FAT32 formatted SD Card is inserted, mounted and available via `fs:/vol/external01`
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*
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@ -10,6 +10,9 @@ static SDUtilsVersion (*sSDUtilsGetVersion)() = nullptr;
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static bool (*sSDUtilsAddAttachHandler)(SDAttachHandlerFn) = nullptr;
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static bool (*sSDUtilsRemoveAttachHandler)(SDAttachHandlerFn) = nullptr;
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static bool (*sSDUtilsAddCleanUpHandlesHandler)(SDCleanUpHandlesHandlerFn) = nullptr;
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static bool (*sSDUtilsRemoveCleanUpHandlesHandler)(SDCleanUpHandlesHandlerFn) = nullptr;
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SDUtilsStatus SDUtils_Init() {
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if (OSDynLoad_Acquire("homebrew_sdhotswap", &sModuleHandle) != OS_DYNLOAD_OK) {
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OSReport("SDUtils_Init: OSDynLoad_Acquire failed.\n");
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@ -35,6 +38,16 @@ SDUtilsStatus SDUtils_Init() {
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return SDUTILS_RESULT_MODULE_MISSING_EXPORT;
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}
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if (OSDynLoad_FindExport(sModuleHandle, FALSE, "SDUtilsAddCleanUpHandlesHandler", (void **) &sSDUtilsAddCleanUpHandlesHandler) != OS_DYNLOAD_OK) {
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OSReport("SDUtils_Init: SDUtilsAddCleanUpHandlesHandler failed.\n");
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return SDUTILS_RESULT_MODULE_MISSING_EXPORT;
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}
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if (OSDynLoad_FindExport(sModuleHandle, FALSE, "SDUtilsRemoveCleanUpHandlesHandler", (void **) &sSDUtilsRemoveCleanUpHandlesHandler) != OS_DYNLOAD_OK) {
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OSReport("SDUtils_Init: SDUtilsRemoveCleanUpHandlesHandler failed.\n");
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return SDUTILS_RESULT_MODULE_MISSING_EXPORT;
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}
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return SDUTILS_RESULT_SUCCESS;
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}
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@ -52,7 +65,6 @@ SDUtilsStatus SDUtils_DeInit() {
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return SDUTILS_RESULT_SUCCESS;
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}
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SDUtilsStatus SDUtils_IsSdCardMounted(bool *status) {
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if (status == nullptr) {
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return SDUTILS_RESULT_INVALID_ARGUMENT;
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@ -77,7 +89,6 @@ SDUtilsStatus SDUtils_AddAttachHandler(SDAttachHandlerFn fn) {
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return res ? SDUTILS_RESULT_SUCCESS : SDUTILS_RESULT_MAX_CALLBACKS;
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}
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bool RemoveAttachHandler(SDAttachHandlerFn);
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SDUtilsStatus SDUtils_RemoveAttachHandler(SDAttachHandlerFn fn) {
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@ -87,3 +98,23 @@ SDUtilsStatus SDUtils_RemoveAttachHandler(SDAttachHandlerFn fn) {
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auto res = reinterpret_cast<decltype(&RemoveAttachHandler)>(sSDUtilsRemoveAttachHandler)(fn);
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return res ? SDUTILS_RESULT_SUCCESS : SDUTILS_RESULT_NOT_FOUND;
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}
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bool AddCleanUpHandlesHandler(SDCleanUpHandlesHandlerFn);
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SDUtilsStatus SDUtils_AddCleanUpHandlesHandler(SDCleanUpHandlesHandlerFn fn) {
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if (sSDUtilsAddCleanUpHandlesHandler == nullptr) {
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return SDUTILS_RESULT_LIB_UNINITIALIZED;
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}
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auto res = reinterpret_cast<decltype(&AddCleanUpHandlesHandler)>(sSDUtilsAddCleanUpHandlesHandler)(fn);
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return res ? SDUTILS_RESULT_SUCCESS : SDUTILS_RESULT_MAX_CALLBACKS;
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}
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bool RemoveCleanUpHandlesHandler(SDCleanUpHandlesHandlerFn);
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SDUtilsStatus SDUtils_RemoveCleanUpHandlesHandler(SDCleanUpHandlesHandlerFn fn) {
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if (sSDUtilsRemoveCleanUpHandlesHandler == nullptr) {
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return SDUTILS_RESULT_LIB_UNINITIALIZED;
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}
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auto res = reinterpret_cast<decltype(&RemoveCleanUpHandlesHandler)>(sSDUtilsRemoveCleanUpHandlesHandler)(fn);
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return res ? SDUTILS_RESULT_SUCCESS : SDUTILS_RESULT_NOT_FOUND;
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}
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