From 82dde599ed2b8aa4877900d84e7a2ddc31ef8da2 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 18 Jan 2013 00:47:19 +0100
Subject: strv: make strv_extend() smarter

---
 src/shared/strv.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

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

diff --git a/src/shared/strv.c b/src/shared/strv.c
index aed45d2612..2d556f4a07 100644
--- a/src/shared/strv.c
+++ b/src/shared/strv.c
@@ -372,15 +372,26 @@ fail:
 
 int strv_extend(char ***l, const char *value) {
         char **c;
+        char *v;
+        unsigned n;
 
         if (!value)
                 return 0;
 
-        c = strv_append(*l, value);
-        if (!c)
+        v = strdup(value);
+        if (!v)
                 return -ENOMEM;
 
-        strv_free(*l);
+        n = strv_length(*l);
+        c = realloc(*l, sizeof(char*) * (n + 2));
+        if (!c) {
+                free(v);
+                return -ENOMEM;
+        }
+
+        c[n] = v;
+        c[n+1] = NULL;
+
         *l = c;
         return 0;
 }
-- 
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