liblzma: Defines masks for return values from lzma_index_checks().

1 files changed, 23 insertions, 0 deletions

diff --git a/src/liblzma/api/lzma/index.h b/src/liblzma/api/lzma/index.h
index f7de84b..46afe3e 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
  *