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std: use fifo.pump in writeFileAllUnseekable

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daurnimator 2020-11-19 02:31:55 +11:00 committed by Andrew Kelley
parent e873668d38
commit 01d1a8a783
1 changed files with 6 additions and 8 deletions
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14
lib/std/fs/file.zig
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@ -724,14 +724,12 @@ pub const File = struct {
try in_file.reader().skipBytes(args.in_offset, .{ .buf_size = 4096 });
var buffer: [4096]u8 = undefined;
const in_len = args.in_len orelse math.maxInt(u64);
var index: usize = 0;
while (index < in_len) {
const ask = math.min(buffer.len, in_len - index);
const amt = try in_file.read(buffer[0..ask]);
if (amt == 0) break;
index += try self.write(buffer[0..amt]);
var fifo = std.fifo.LinearFifo(u8, .{ .Static = 4096 }).init();
if (args.in_len) |len| {
var stream = std.io.earlyEOFReader(in_file.reader(), len);
try fifo.pump(stream.reader(), self.writer());
} else {
try fifo.pump(in_file.reader(), self.writer());
}
try self.writevAll(trailers);