From b8d0f83e6cea9640a7ee4402c163ad812237355d Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Sun, 10 Dec 2023 11:48:01 +0000
Subject:  Initial commit

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 src/common/shibari_util_get_prefixlen.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/common/shibari_util_get_prefixlen.c

(limited to 'src/common/shibari_util_get_prefixlen.c')

diff --git a/src/common/shibari_util_get_prefixlen.c b/src/common/shibari_util_get_prefixlen.c
new file mode 100644
index 0000000..784a3ee
--- /dev/null
+++ b/src/common/shibari_util_get_prefixlen.c
@@ -0,0 +1,14 @@
+/* ISC license. */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <shibari/util.h>
+
+int shibari_util_get_prefixlen (char const *name, uint16_t namelen, char const *zone, uint16_t zonelen)
+{
+  return
+    namelen < zonelen ? -1 :
+    memcmp(name + namelen - zonelen, zone, zonelen) ? -1 :
+    namelen - zonelen ;
+}
-- 
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