1 files changed, 30 insertions, 0 deletions
diff --git a/range-diff.h b/range-diff.h
new file mode 100644
index 0000000..04ffe21
--- /dev/null
+++ b/range-diff.h
@@ -0,0 +1,30 @@
+#ifndef RANGE_DIFF_H
+#define RANGE_DIFF_H
+
+#include "diff.h"
+#include "strvec.h"
+
+#define RANGE_DIFF_CREATION_FACTOR_DEFAULT 60
+
+struct range_diff_options {
+	int creation_factor;
+	unsigned dual_color:1;
+	unsigned left_only:1, right_only:1;
+	const struct diff_options *diffopt; /* may be NULL */
+	const struct strvec *other_arg; /* may be NULL */
+};
+
+/*
+ * Compare series of commits in `range1` and `range2`, and emit to the
+ * standard output.
+ */
+int show_range_diff(const char *range1, const char *range2,
+		    struct range_diff_options *opts);
+
+/*
+ * Determine whether the given argument is usable as a range argument of `git
+ * range-diff`, e.g. A..B.
+ */
+int is_range_diff_range(const char *arg);
+
+#endif