X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=strv.c;h=4fe1e332536a243619e9449f6fcab14bd49b2041;hb=c0dafa4853b52741e9a4845419c00611426cefd8;hp=ecad6d59806b880e923df900511c26ae662e1c17;hpb=6091827530d6dd43479d6709fb6e9f745c11e900;p=elogind.git

diff --git a/strv.c b/strv.c
index ecad6d598..4fe1e3325 100644
--- a/strv.c
+++ b/strv.c
@@ -1,5 +1,24 @@
 /*-*- Mode: C; c-basic-offset: 8 -*-*/
 
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
 #include <assert.h>
 #include <stdlib.h>
 #include <stdarg.h>
@@ -115,3 +134,43 @@ fail:
         free(a);
         return NULL;
 }
+
+char **strv_merge(char **a, char **b) {
+        char **r, **k;
+
+        if (!a)
+                return strv_copy(b);
+
+        if (!b)
+                return strv_copy(a);
+
+        if (!(r = new(char*, strv_length(a)+strv_length(b)+1)))
+                return NULL;
+
+        for (k = r; *a; k++, a++)
+                if (!(*k = strdup(*a)))
+                        goto fail;
+        for (; *b; k++, b++)
+                if (!(*k = strdup(*b)))
+                        goto fail;
+
+        *k = NULL;
+        return r;
+
+fail:
+        for (k--; k >= r; k--)
+                free(*k);
+
+        return NULL;
+
+}
+
+bool strv_contains(char **l, const char *s) {
+        char **i;
+
+        STRV_FOREACH(i, l)
+                if (streq(*i, s))
+                        return true;
+
+        return false;
+}