xz: Fix the test when to read more input.
Testing for end of file was no longer correct after full flushing
became possible with --block-size=SIZE and --block-list=SIZES.
There was no bug in practice though because xz just made a few
unneeded zero-byte reads.
diff --git a/src/xz/coder.c b/src/xz/coder.c
index 897ff6a..d29e40f 100644
--- a/src/xz/coder.c
+++ b/src/xz/coder.c
@@ -565,9 +565,9 @@
strm.avail_out = IO_BUFFER_SIZE;
while (!user_abort) {
- // Fill the input buffer if it is empty and we haven't reached
- // end of file yet.
- if (strm.avail_in == 0 && !pair->src_eof) {
+ // Fill the input buffer if it is empty and we aren't
+ // flushing or finishing.
+ if (strm.avail_in == 0 && action == LZMA_RUN) {
strm.next_in = in_buf.u8;
strm.avail_in = io_read(pair, &in_buf,
my_min(block_remaining,
