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-rw-r--r--src/liblzma/api/lzma/index.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/liblzma/api/lzma/index.h b/src/liblzma/api/lzma/index.h
index f7de84b5..46afe3eb 100644
--- a/src/liblzma/api/lzma/index.h
+++ b/src/liblzma/api/lzma/index.h
@@ -304,6 +304,28 @@ typedef enum {
/**
+ * \brief Mask for return value from lzma_index_checks() for check none
+ *
+ * \note This and the other CHECK_MASK macros were added in 5.5.1alpha.
+ */
+#define LZMA_INDEX_CHECK_MASK_NONE (UINT32_C(1) << LZMA_CHECK_NONE)
+
+/**
+ * \brief Mask for return value from lzma_index_checks() for check CRC32
+ */
+#define LZMA_INDEX_CHECK_MASK_CRC32 (UINT32_C(1) << LZMA_CHECK_CRC32)
+
+/**
+ * \brief Mask for return value from lzma_index_checks() for check CRC64
+ */
+#define LZMA_INDEX_CHECK_MASK_CRC64 (UINT32_C(1) << LZMA_CHECK_CRC64)
+
+/**
+ * \brief Mask for return value from lzma_index_checks() for check SHA256
+ */
+#define LZMA_INDEX_CHECK_MASK_SHA256 (UINT32_C(1) << LZMA_CHECK_SHA256)
+
+/**
* \brief Calculate memory usage of lzma_index
*
* On disk, the size of the Index field depends on both the number of Records
@@ -433,6 +455,7 @@ extern LZMA_API(lzma_ret) lzma_index_stream_flags(
* showing the Check types to the user.
*
* The bitmask is 1 << check_id, e.g. CRC32 is 1 << 1 and SHA-256 is 1 << 10.
+ * These masks are defined for convenience as LZMA_INDEX_CHECK_MASK_XXX
*
* \param i Pointer to lzma_index structure
*