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authorYann Collet <yann.collet.73@gmail.com>2015-04-20 11:23:33 (GMT)
committerYann Collet <yann.collet.73@gmail.com>2015-04-20 11:23:33 (GMT)
commit72e679438f9ead31e671e0738b7730f846ebde70 (patch)
treeedda7e51fc894eb1b8d3791ba29c3098333ad92a
parenta01e10dbdc58ae3bcef3348c6b196fc733b942b7 (diff)
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Updated LZ4F_freeDecompressionContext(), to provide stage hint as result
-rw-r--r--lib/lz4frame.c4
-rw-r--r--lib/lz4frame.h2
2 files changed, 5 insertions, 1 deletions
diff --git a/lib/lz4frame.c b/lib/lz4frame.c
index eb38390..a70dbaf 100644
--- a/lib/lz4frame.c
+++ b/lib/lz4frame.c
@@ -772,14 +772,16 @@ LZ4F_errorCode_t LZ4F_createDecompressionContext(LZ4F_decompressionContext_t* LZ
LZ4F_errorCode_t LZ4F_freeDecompressionContext(LZ4F_decompressionContext_t LZ4F_decompressionContext)
{
+ LZ4F_errorCode_t result = LZ4F_OK_NoError;
LZ4F_dctx_internal_t* dctxPtr = (LZ4F_dctx_internal_t*)LZ4F_decompressionContext;
if (dctxPtr != NULL) /* can accept NULL input, like free() */
{
+ result = (LZ4F_errorCode_t)dctxPtr->dStage;
FREEMEM(dctxPtr->tmpIn);
FREEMEM(dctxPtr->tmpOutBuffer);
FREEMEM(dctxPtr);
}
- return LZ4F_OK_NoError;
+ return result;
}
diff --git a/lib/lz4frame.h b/lib/lz4frame.h
index 85ebce3..b5ba2fb 100644
--- a/lib/lz4frame.h
+++ b/lib/lz4frame.h
@@ -245,6 +245,8 @@ LZ4F_errorCode_t LZ4F_freeDecompressionContext(LZ4F_decompressionContext_t dctx)
* The function will provide a pointer to a fully allocated and initialized LZ4F_decompressionContext_t object.
* The result is an errorCode, which can be tested using LZ4F_isError().
* dctx memory can be released using LZ4F_freeDecompressionContext();
+ * The result of LZ4F_freeDecompressionContext() is indicative of the current state of decompressionContext when being released.
+ * That is, it should be == 0 if decompression has been completed fully and correctly.
*/