1 files changed, 30 insertions, 2 deletions
diff --git a/src/basic/env-util.c b/src/basic/env-util.c
index ecb2192c4d..441169db31 100644
--- a/src/basic/env-util.c
+++ b/src/basic/env-util.c
@@ -22,11 +22,14 @@
 #include <limits.h>
 #include <unistd.h>
 
+#include "alloc-util.h"
+#include "def.h"
+#include "env-util.h"
+#include "parse-util.h"
+#include "string-util.h"
 #include "strv.h"
 #include "utf8.h"
 #include "util.h"
-#include "env-util.h"
-#include "def.h"
 
 #define VALID_CHARS_ENV_NAME                    \
         DIGITS LETTERS                          \
@@ -135,6 +138,21 @@ bool strv_env_is_valid(char **e) {
         return true;
 }
 
+bool strv_env_name_is_valid(char **l) {
+        char **p, **q;
+
+        STRV_FOREACH(p, l) {
+                if (!env_name_is_valid(*p))
+                        return false;
+
+                STRV_FOREACH(q, p + 1)
+                        if (streq(*p, *q))
+                                return false;
+        }
+
+        return true;
+}
+
 bool strv_env_name_or_assignment_is_valid(char **l) {
         char **p, **q;
 
@@ -592,3 +610,13 @@ char **replace_env_argv(char **argv, char **env) {
         ret[k] = NULL;
         return ret;
 }
+
+int getenv_bool(const char *p) {
+        const char *e;
+
+        e = getenv(p);
+        if (!e)
+                return -ENXIO;
+
+        return parse_boolean(e);
+}