argv-array: return the pushed string from argv_push*()

diff --git a/argv-array.h b/argv-array.h
index 29056e49a1208b5506d0809c7311e4112dc1f7f3..715c93b246c9878a42a45f94d4a1e4089676e899 100644 (file)
--- a/argv-array.h
+++ b/argv-array.h
@@ -12,9 +12,9 @@ struct argv_array {
 #define ARGV_ARRAY_INIT { empty_argv, 0, 0 }
 
 void argv_array_init(struct argv_array *);
-void argv_array_push(struct argv_array *, const char *);
+const char *argv_array_push(struct argv_array *, const char *);
 __attribute__((format (printf,2,3)))
-void argv_array_pushf(struct argv_array *, const char *fmt, ...);
+const char *argv_array_pushf(struct argv_array *, const char *fmt, ...);
 LAST_ARG_MUST_BE_NULL
 void argv_array_pushl(struct argv_array *, ...);
 void argv_array_pushv(struct argv_array *, const char **);