gptman: partition info

1 files changed, 55 insertions, 0 deletions

diff --git a/part/part.ha b/part/part.ha
new file mode 100644
index 0000000..46c6546
--- /dev/null
+++ b/part/part.ha
@@ -0,0 +1,55 @@
+use fmt;
+use strconv;
+
+use gpt;
+use volume;
+
+
+export fn part(vol: str, args: []str) void = {
+	if (len(args) <= 1) {
+		list(vol, args[1..]);
+		return;
+	};
+	
+	match (strconv::stou(args[1])) {
+	case let i: uint =>
+		const vol = volume::opengpt(vol);
+		defer gpt::finish(vol);
+		partinfo(vol, i);
+		return;
+	case =>
+		yield;
+	};
+
+	switch (args[1]) {
+	case "list" => list(vol, args[1..]);
+	};
+};
+
+export fn list(vol: str, args: []str) void = {
+	const vol = volume::opengpt(vol);
+	defer gpt::finish(vol);
+	const header = vol.primary.header;
+	const entries = vol.primary.entries;
+
+	for (let i = 0z; i < header.entries_len; i += 1) {
+		const entry = &entries[i];
+		if (entry.lba_begin == 0 && entry.lba_end == 0)
+			continue;
+	
+		partinfo(vol, i);
+	};
+};
+
+fn partinfo(vol: *gpt::gpt, i: size) void = {
+	const entry = &vol.primary.entries[i];
+
+	fmt::printfln("# Partition {}", i)!;
+	fmt::printfln("entries[{}].part_type([{},{}])", i, entry.part_type[0], entry.part_type[1])!;
+	fmt::printfln("entries[{}].part([{},{}])", i, entry.part[0], entry.part[1])!;
+	fmt::printfln("entries[{}].lba_begin({})", i, entry.lba_begin)!;
+	fmt::printfln("entries[{}].lba_end({})", i, entry.lba_end)!;
+	fmt::printfln("entries[{}].attributes({})", i, entry.attributes)!;
+
+	// XXX name
+};