strv: introduce strv_env_merge() to merge environment arrays

1 files changed, 2 insertions, 0 deletions

diff --git a/strv.h b/strv.h
index acaae9e7ea..9bdf287a21 100644
--- a/strv.h
+++ b/strv.h
@@ -49,6 +49,8 @@ char **strv_split_quoted(const char *s);
 
 char *strv_join(char **l, const char *separator);
 
+char **strv_env_merge(char **x, ...) _sentinel;
+
 #define STRV_FOREACH(s, l)                      \
         for ((s) = (l); (s) && *(s); (s)++)