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Start work on volume metadata.

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This commit is contained in:
David Given
2022-08-31 20:17:50 +02:00
parent d44b83e60d
commit 8d90a974c6
5 changed files with 81 additions and 8 deletions
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28
lib/vfs/fatfs.cc
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@@ -36,6 +36,34 @@ public:
{
}
std::map<std::string, std::string> getMetadata()
{
mount();
std::map<std::string, std::string> attributes;
{
char buffer[34];
FRESULT res = f_getlabel("", buffer, nullptr);
throwError(res);
attributes[VOLUME_NAME] = buffer;
}
{
FATFS* fs;
DWORD free_clusters;
FRESULT res = f_getfree("", &free_clusters, &fs);
throwError(res);
int total = (fs->n_fatent - 2) + (fs->database / fs->csize);
attributes[TOTAL_BLOCKS] = fmt::format("{}", total);
attributes[USED_BLOCKS] = fmt::format("{}", total - free_clusters);
attributes[BLOCK_SIZE] =
fmt::format("{}", fs->csize * getLogicalSectorSize(0));
}
return attributes;
}
void create(bool quick, const std::string& volumeName)
{
if (!quick)