Add range print functions

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 16 insertions, 0 deletions

diff --git a/libcmap_snprint_range.c b/libcmap_snprint_range.c
new file mode 100644
index 0000000..268a80e
--- /dev/null
+++ b/libcmap_snprint_range.c
@@ -0,0 +1,16 @@
+/* See LICENSE file for copyright and license details. */
+#include "libcmap.h"
+#include <stdio.h>
+
+
+int
+libcmap_snprint_range(char *buf, size_t bufsize, const struct libcmap_range *range, const char *endash)
+{
+        unsigned long int first = (unsigned long int)range->first;
+	unsigned long int last = (unsigned long int)range->last;
+
+	if (first == last)
+		return snprintf(buf, bufsize, "U+%04lX", first);
+	else
+		return snprintf(buf, bufsize, "U+%04lX%sU+%04lX", first, endash ? endash : "–", last);
+}