X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fstrv.c;h=01464e1e330816bfd0f4fae3af4ae3085b5ac0b6;hp=85599fe92c3e0b1e368402fca2d7f1cffc400f5a;hb=99ffae46d38f05b6c8bc09fe29e50a507ae8b79b;hpb=5b6319dceedd81f3f1ce7eb70ea5defaef43bcec

diff --git a/src/strv.c b/src/strv.c
index 85599fe92..01464e1e3 100644
--- a/src/strv.c
+++ b/src/strv.c
@@ -511,3 +511,31 @@ char **strv_env_delete(char **x, unsigned n_lists, ...) {
 
         return r;
 }
+
+char **strv_env_set(char **x, const char *p) {
+
+        char **k, **r;
+
+        if (!(r = new(char*, strv_length(x)+2)))
+                return NULL;
+
+        k = r;
+        if (env_append(r, &k, x) < 0)
+                goto fail;
+
+        if (!(*(k++) = strdup(p)))
+                goto fail;
+
+        *k = NULL;
+
+        return r;
+
+fail:
+        for (k--; k >= r; k--)
+                free(*k);
+
+        free(r);
+
+        return NULL;
+
+}