Re: [PATCH v6 05/11] trailer: parse trailers from stdin

diff --git a/trailer.c b/trailer.c
index 5d69c00..e0e066f 100644
--- a/trailer.c
+++ b/trailer.c

@@ -50,6 +50,13 @@ static size_t alnum_len(const char *buf, size_t len)
 	return len;
 }
 
+static inline int contains_only_spaces(const char *str)
+{
+	const char *s;
+	for (s = str; *s && isspace(*s); s++);

@@ -471,3 +478,72 @@ static struct trailer_item *process_command_line_args(int argc, const char **arg

...
+static void process_stdin(struct trailer_item **in_tok_first,
+			  struct trailer_item **in_tok_last)
+{
...
+	/* Print non trailer lines as is */
+	for (i = 0; lines[i] && i < start; i++) {
+		printf("%s", lines[i]->buf);
+	}