[hackers] [sbase] Add linecmp() || FRIGN

[git]

commit 3debc5e064987974f0dfc098f29ae6a48b712a4d
Author:     FRIGN <d...@frign.de>
AuthorDate: Mon Mar 7 11:00:47 2016 +0100
Commit:     sin <s...@2f30.org>
CommitDate: Thu Mar 10 08:48:09 2016 +0000

    Add linecmp()

diff --git a/libutil/linecmp.c b/libutil/linecmp.c
new file mode 100644
index 0000000..cba27d1
--- /dev/null
+++ b/libutil/linecmp.c
@@ -0,0 +1,20 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <string.h>
+
+#include "../text.h"
+#include "../util.h"
+
+int
+linecmp(struct line *a, struct line *b)
+{
+       int res = 0;
+
+       if (!(res = memcmp(a->data, b->data, MIN(a->len, b->len))) &&
+           a->len != b->len) {
+               res = a->data[MIN(a->len, b->len) - 1] -
+                     b->data[MIN(a->len, b->len) - 1];
+       }
+
+       return res;
+}