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xz: coder.c: Make writing output a separate function.

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The same code sequence repeats so it's nicer as a separate function.
Note that in one case there was no test for opt_mode != MODE_TEST,
but that was only because that condition would always be true, so
this commit doesn't change the behavior there.
This commit is contained in:
Lasse Collin 2020-01-26 14:49:22 +02:00
parent ec26f3ace5
commit 4afe69d30b
1 changed files with 17 additions and 13 deletions
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30
src/xz/coder.c
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@ -612,6 +612,20 @@ split_block(uint64_t *block_remaining,
}
static bool
coder_write_output(file_pair *pair)
{
if (opt_mode != MODE_TEST) {
if (io_write(pair, &out_buf, IO_BUFFER_SIZE - strm.avail_out))
return true;
}
strm.next_out = out_buf.u8;
strm.avail_out = IO_BUFFER_SIZE;
return false;
}
/// Compress or decompress using liblzma.
static bool
coder_normal(file_pair *pair)
@ -706,12 +720,8 @@ coder_normal(file_pair *pair)
// Write out if the output buffer became full.
if (strm.avail_out == 0) {
if (opt_mode != MODE_TEST && io_write(pair, &out_buf,
IO_BUFFER_SIZE - strm.avail_out))
if (coder_write_output(pair))
break;
strm.next_out = out_buf.u8;
strm.avail_out = IO_BUFFER_SIZE;
}
if (ret == LZMA_STREAM_END && (action == LZMA_SYNC_FLUSH
@ -720,13 +730,9 @@ coder_normal(file_pair *pair)
// Flushing completed. Write the pending data
// out immediately so that the reading side
// can decompress everything compressed so far.
if (io_write(pair, &out_buf, IO_BUFFER_SIZE
- strm.avail_out))
if (coder_write_output(pair))
break;
strm.next_out = out_buf.u8;
strm.avail_out = IO_BUFFER_SIZE;
// Set the time of the most recent flushing.
mytime_set_flush_time();
@ -762,9 +768,7 @@ coder_normal(file_pair *pair)
// as much data as possible, which can be good
// when trying to get at least some useful
// data out of damaged files.
if (opt_mode != MODE_TEST && io_write(pair,
&out_buf, IO_BUFFER_SIZE
- strm.avail_out))
if (coder_write_output(pair))
break;
}