2 files changed, 10 insertions, 0 deletions
diff --git a/text.c b/text.c
index 5f516bc..ab8a846 100644
--- a/text.c
+++ b/text.c
@@ -1489,3 +1489,10 @@ Filerange text_range_union(Filerange *r1, Filerange *r2) {
 		.end = MAX(r1->end, r2->end),
 	};
 }
+
+Filerange text_range_new(size_t a, size_t b) {
+	return (Filerange) {
+		.start = MIN(a, b),
+		.end = MAX(a, b),
+	};
+}
diff --git a/text.h b/text.h
index 89a5d9b..e5f1670 100644
--- a/text.h
+++ b/text.h
@@ -15,6 +15,7 @@ typedef struct {
 	size_t start, end;        /* range in bytes from start of the file */
 } Filerange;
 
+
 /* test whether the given range is valid (start <= end) */
 bool text_range_valid(Filerange*);
 /* get the size of the range (end-start) or zero if invalid */
@@ -23,6 +24,8 @@ size_t text_range_size(Filerange*);
 Filerange text_range_empty(void);
 /* merge two ranges into a new one which contains both of them */
 Filerange text_range_union(Filerange*, Filerange*);
+/* create new range [min(a,b), max(a,b)] */
+Filerange text_range_new(size_t a, size_t b);
 
 typedef struct Text Text;
 typedef struct Piece Piece;