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Starting work on inode decoding

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This commit is contained in:
Caleb Gardner
2025-05-12 13:46:46 -05:00
parent 58e89c0981
commit b3a5ff8f94
7 changed files with 236 additions and 81 deletions
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superblock.zig
+4 -3
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@@ -1,4 +1,5 @@
const std = @import("std");
const math = @import("std").math;
const InodeRef = @import("inode.zig").InodeRef;
pub const SuperblockError = error{
InvalidMagic,
@@ -31,7 +32,7 @@ pub const Superblock = packed struct {
id_count: u16,
ver_maj: u16,
ver_min: u16,
root_inode: @import("inode.zig").InodeRef,
root_inode: InodeRef,
size: u64,
id_table: u64,
xattr_table: u64,
@@ -43,7 +44,7 @@ pub const Superblock = packed struct {
pub fn valid(self: Superblock) SuperblockError!void {
if (self.magic != 0x73717368) {
return SuperblockError.InvalidMagic;
} else if (self.block_log != std.math.log2(self.block_size)) {
} else if (self.block_log != math.log2(self.block_size)) {
return SuperblockError.InvalidLog;
} else if (self.ver_maj != 4 or self.ver_min != 0) {
return SuperblockError.InvalidVersion;