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-rw-r--r--xdiff/xdiff.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index 70c8b87ff2..09215afe6e 100644
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -32,9 +32,12 @@ extern "C" {
#define XDF_IGNORE_WHITESPACE (1 << 2)
#define XDF_IGNORE_WHITESPACE_CHANGE (1 << 3)
#define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 4)
+#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE | XDF_IGNORE_WHITESPACE_AT_EOL)
+
#define XDF_PATIENCE_DIFF (1 << 5)
#define XDF_HISTOGRAM_DIFF (1 << 6)
-#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE | XDF_IGNORE_WHITESPACE_AT_EOL)
+#define XDF_DIFF_ALGORITHM_MASK (XDF_PATIENCE_DIFF | XDF_HISTOGRAM_DIFF)
+#define XDF_DIFF_ALG(x) ((x) & XDF_DIFF_ALGORITHM_MASK)
#define XDL_EMIT_FUNCNAMES (1 << 0)
#define XDL_EMIT_COMMON (1 << 1)