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-rw-r--r--lib/bzip2/bzlib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/bzip2/bzlib.c b/lib/bzip2/bzlib.c
index 5844e187c0..9262e4055e 100644
--- a/lib/bzip2/bzlib.c
+++ b/lib/bzip2/bzlib.c
@@ -1350,11 +1350,11 @@ int BZ_API(BZ2_bzBuffToBuffDecompress)
strm.avail_out = *destLen;
ret = BZ2_bzDecompress ( &strm );
+ *destLen -= strm.avail_out;
if (ret == BZ_OK) goto output_overflow_or_eof;
if (ret != BZ_STREAM_END) goto errhandler;
/* normal termination */
- *destLen -= strm.avail_out;
BZ2_bzDecompressEnd ( &strm );
return BZ_OK;
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