X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Fstrv.c;h=2d556f4a076a664a71ffc70f0bd77d675e531bde;hb=e3ded78be7df143ba780dd55ca8897fdddd67460;hp=6b76d0eaef57616b11f3aa5f32f29de714236605;hpb=f274ece0f76b5709408821e317e87aef76123db6;p=elogind.git

diff --git a/src/shared/strv.c b/src/shared/strv.c
index 6b76d0eae..2d556f4a0 100644
--- a/src/shared/strv.c
+++ b/src/shared/strv.c
@@ -370,6 +370,32 @@ fail:
         return NULL;
 }
 
+int strv_extend(char ***l, const char *value) {
+        char **c;
+        char *v;
+        unsigned n;
+
+        if (!value)
+                return 0;
+
+        v = strdup(value);
+        if (!v)
+                return -ENOMEM;
+
+        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;
+}
+
 char **strv_uniq(char **l) {
         char **i;