Commit 54f882c4aa49fd79c375374985cc01843d72124c | zig

No need to do same error check on two places. First return all
uncompressed data then on last read check error.

1 files changed, 7 insertions(+), 13 deletions(-)

lib/std/compress/xz/block.zig+7-13

...	...	@@ -59,24 +59,18 @@ pub fn Decoder(comptime ReaderType: type) type {
59	59
60	60	pub fn read(self: *Self, output: []u8) Error!usize {
61	61	while (true) {
62		const input = self.to_read.items[self.read_pos..];
63		if (input.len > 0) {
64		const n = @min(input.len, output.len);
65		@memcpy(output[0..n], input[0..n]);
	62	const unread_len = self.to_read.items.len - self.read_pos;
	63	if (unread_len > 0) {
	64	const n = @min(unread_len, output.len);
	65	@memcpy(output[0..n], self.to_read.items[self.read_pos..][0..n]);
66	66	self.read_pos += n;
67		if (self.read_pos == self.to_read.items.len and self.err != null) {
68		if (self.err.? == DecodeError.EndOfStreamWithNoError) {
69		return n;
70		}
71		return self.err.?;
72		}
73	67	return n;
74	68	}
75		if (self.err != null) {
76		if (self.err.? == DecodeError.EndOfStreamWithNoError) {
	69	if (self.err) \|e\| {
	70	if (e == DecodeError.EndOfStreamWithNoError) {
77	71	return 0;
78	72	}
79		return self.err.?;
	73	return e;
80	74	}
81	75	if (self.read_pos > 0) {
82	76	self.to_read.shrinkRetainingCapacity(0);