Caleb Gardner
33 lines
797 B
Zig
33 lines
797 B
Zig
const std = @import("std");
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const fs = std.fs;
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const Superblock = @import("superblock.zig").Superblock;
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const Inode = @import("inode.zig").Inode;
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pub const Reader = struct {
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super: Superblock,
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rdr: fs.File,
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root: Inode,
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alloc: std.heap.GeneralPurposeAllocator(.{}),
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pub fn close(self: Reader) void {
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self.rdr.close();
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self.alloc.deinit();
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}
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};
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pub fn newReader(filename: []const u8) !Reader {
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const file = try std.fs.cwd().openFile(filename, .{});
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errdefer file.close();
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const alloc = std.heap.GeneralPurposeAllocator(.{}).init();
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errdefer alloc.deinit();
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const super = try file.reader().readStruct(Superblock);
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try super.valid();
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return Reader{
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.super = super,
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.rdr = file,
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.alloc = alloc,
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};
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}
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