From e1dd6790e4f58506e637bf9541f63504acc2972f Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 19 Dec 2014 01:31:59 +0100
Subject: strv: ass new strv_is_uniq() and strv_reverse() calls

---
 src/shared/strv.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/shared/strv.c')

diff --git a/src/shared/strv.c b/src/shared/strv.c
index f86dddaf81..e418312d52 100644
--- a/src/shared/strv.c
+++ b/src/shared/strv.c
@@ -524,6 +524,16 @@ char **strv_uniq(char **l) {
         return l;
 }
 
+bool strv_is_uniq(char **l) {
+        char **i;
+
+        STRV_FOREACH(i, l)
+                if (strv_find(i+1, *i))
+                        return false;
+
+        return true;
+}
+
 char **strv_remove(char **l, const char *s) {
         char **f, **t;
 
@@ -664,3 +674,21 @@ int strv_extendf(char ***l, const char *format, ...) {
 
         return strv_consume(l, x);
 }
+
+char **strv_reverse(char **l) {
+        unsigned n, i;
+
+        n = strv_length(l);
+        if (n <= 1)
+                return l;
+
+        for (i = 0; i < n / 2; i++) {
+                char *t;
+
+                t = l[i];
+                l[i] = l[n-1-i];
+                l[n-1-i] = t;
+        }
+
+        return l;
+}
-- 
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