Ken Van Hoeylandt
67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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#include <tactility/paths.h>
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#include <tactility/device.h>
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#include <tactility/drivers/sdcard.h>
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#include <tactility/filesystem/file_system.h>
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#include <cstdio>
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#include <cstring>
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static error_t get_user_data_root_path(char* out_path, size_t out_path_size) {
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#if defined(CONFIG_TT_USER_DATA_LOCATION_INTERNAL)
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#ifdef ESP_PLATFORM
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const char* mount_point = "/data";
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#else
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const char* mount_point = "data";
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#endif
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if (std::strlen(mount_point) + 1 > out_path_size) {
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return ERROR_BUFFER_OVERFLOW;
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}
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std::strcpy(out_path, mount_point);
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return ERROR_NONE;
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#elif defined(CONFIG_TT_USER_DATA_LOCATION_SD)
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struct FileSystem* found = nullptr;
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file_system_for_each(&found, [](FileSystem* fs, void* context) {
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auto* owner = file_system_get_owner(fs);
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if (owner == nullptr || device_get_type(owner) != &SDCARD_TYPE) {
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return true;
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}
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*static_cast<FileSystem**>(context) = fs;
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return false;
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});
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if (found == nullptr) {
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return ERROR_NOT_FOUND;
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}
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return file_system_get_path(found, out_path, out_path_size);
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#else
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#error CONFIG_TT_USER_DATA_* not set or unsupported
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#endif
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}
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extern "C" {
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error_t paths_get_user_data_path(char* out_path, size_t out_path_size) {
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#ifdef ESP_PLATFORM
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char root[64];
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error_t error = get_user_data_root_path(root, sizeof(root));
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if (error != ERROR_NONE) {
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return error;
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}
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int written = std::snprintf(out_path, out_path_size, "%s/tactility", root);
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if (written < 0 || (size_t)written >= out_path_size) {
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return ERROR_BUFFER_OVERFLOW;
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}
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return ERROR_NONE;
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#else
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const char* fixed_path = "data";
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if (std::strlen(fixed_path) + 1 > out_path_size) {
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return ERROR_BUFFER_OVERFLOW;
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}
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std::strcpy(out_path, fixed_path);
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return ERROR_NONE;
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#endif
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}
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} // extern "C"
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