strv: handle empty lists in strv_copy() properly

2011-04-16 02:03:34 +02:00
parent 6f9a471aa6
commit ede27aab11
1 changed files with 4 additions and 3 deletions
@@ -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;