ckolivas/lrzip
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Work around corrupt archives when compressing small files with lzma to stdout.

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Con Kolivas 2021-02-16 01:14:32 +11:00
parent 590377819c
commit de2c9c5f62
1 changed files with 8 additions and 0 deletions
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8
stream.c
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@ -1293,6 +1293,14 @@ static void *compthread(void *data)
/* Flushing writes to disk frees up any dirty ram, improving chances /* Flushing writes to disk frees up any dirty ram, improving chances
* of succeeding in allocating more ram */ * of succeeding in allocating more ram */
fsync(ctis->fd); fsync(ctis->fd);
/* This is a cludge in case we are compressing to stdout and our first
* stream is not compressed, but subsequent ones are compressed by
* lzma and we can no longer seek back to the beginning of the file
* to write the lzma properties which are effectively always starting
* with 93. */
if (TMP_OUTBUF && LZMA_COMPRESS)
control->lzma_properties[0] = 93;
retry: retry:
/* Very small buffers have issues to do with minimum amounts of ram /* Very small buffers have issues to do with minimum amounts of ram
* allocatable to a buffer combined with the MINIMUM_MATCH of rzip * allocatable to a buffer combined with the MINIMUM_MATCH of rzip