From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 15 Apr 2011 23:49:20 +0000 (+0200)
Subject: strv: handle empty lists in strv_copy() properly
X-Git-Tag: v25~38
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=ede27aab11cda3f55c2cd2e1e28e2385b3f64453

strv: handle empty lists in strv_copy() properly
---

diff --git a/src/strv.c b/src/strv.c
index c5f8df06d..c8ebb648d 100644
--- a/src/strv.c
+++ b/src/strv.c
@@ -70,9 +70,10 @@ char **strv_copy(char **l) {
         if (!(r = new(char*, strv_length(l)+1)))
                 return NULL;
 
-        for (k = r; *l; k++, l++)
-                if (!(*k = strdup(*l)))
-                        goto fail;
+        if (l)
+                for (k = r; *l; k++, l++)
+                        if (!(*k = strdup(*l)))
+                                goto fail;
 
         *k = NULL;
         return r;