Caleb Gardner
5975bbb4a2
Re-added specifying thread count doing something Added single-threaded performance to benchmark.sh Added single-threaded test (currently getting stuck forever) Various minor fixes revealed now that build is working again.
28 lines
717 B
Zig
28 lines
717 B
Zig
//! A File where it's meaningful (to us) content starts at a given offset.
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const std = @import("std");
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const Io = std.Io;
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const File = Io.File;
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const Reader = Io.Reader;
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const OffsetFile = @This();
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map: Io.File.MemoryMap,
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pub fn init(io: Io, fil: File, archive_size: u64, init_offset: u64) !OffsetFile {
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return .{
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.map = try fil.createMemoryMap(io, .{
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.protection = .{ .read = true, .write = false, .execute = false },
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.len = archive_size,
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.offset = init_offset,
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}),
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};
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}
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pub fn deinit(self: *OffsetFile, io: Io) void {
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self.map.destroy(io);
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}
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pub fn readerAt(self: OffsetFile, offset: u64) Reader {
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return .fixed(self.map.memory[offset..]);
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}
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