| ... | ... | @@ -50,23 +50,12 @@ fn usage(exe: []const u8) !void { |
| 50 | 50 | |
| 51 | 51 | // TODO use copy_file_range |
| 52 | 52 | fn cat_file(stdout: fs.File, file: fs.File) !void { |
| 53 | | var buf: [1024 * 4]u8 = undefined; |
| 53 | var fifo = std.fifo.LinearFifo(u8, .{ .Static = 1024 * 4 }).init(); |
| 54 | 54 | |
| 55 | | while (true) { |
| 56 | | const bytes_read = file.read(buf[0..]) catch |err| { |
| 57 | | warn("Unable to read from stream: {}\n", .{@errorName(err)}); |
| 58 | | return err; |
| 59 | | }; |
| 60 | | |
| 61 | | if (bytes_read == 0) { |
| 62 | | break; |
| 63 | | } |
| 64 | | |
| 65 | | stdout.writeAll(buf[0..bytes_read]) catch |err| { |
| 66 | | warn("Unable to write to stdout: {}\n", .{@errorName(err)}); |
| 67 | | return err; |
| 68 | | }; |
| 69 | | } |
| 55 | fifo.pump(file.reader(), stdout.writer()) catch |err| { |
| 56 | warn("Unable to read from stream or write to stdout: {}\n", .{@errorName(err)}); |
| 57 | return err; |
| 58 | }; |
| 70 | 59 | } |
| 71 | 60 | |
| 72 | 61 | fn unwrapArg(arg: anyerror![]u8) ![]u8 { |
daurnimator <quae@daurnimator.com> 2020-09-27 15:06:44+10:00