file_list: factor out file_list_new

We have the sequence for creating a new file_list at two places and
follow-up commit will add a third one outside of the file, so it's a
good occasion to use a common helper. No functional change.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220730094615.1762042-1-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 13 insertions, 6 deletions

diff --git a/common/file-list.c b/common/file-list.c
index 407b312833..11db7c6e44 100644
--- a/common/file-list.c
+++ b/common/file-list.c
@@ -130,16 +130,25 @@ static const char *flags_to_str(int flags)
 	return str;
 }
 
-struct file_list *file_list_parse(const char *str)
+struct file_list *file_list_new(void)
 {
 	struct file_list *files;
-	int ret;
-	const char *endptr;
 
 	files = xzalloc(sizeof(*files));
 
 	INIT_LIST_HEAD(&files->list);
 
+	return files;
+}
+
+struct file_list *file_list_parse(const char *str)
+{
+	struct file_list *files;
+	int ret;
+	const char *endptr;
+
+	files = file_list_new();
+
 	while (*str) {
 		ret = file_list_parse_one(files, str, &endptr);
 		if (ret) {
@@ -195,9 +204,7 @@ struct file_list *file_list_dup(struct file_list *old)
 	struct file_list_entry *old_entry;
 	struct file_list *new;
 
-	new = xzalloc(sizeof(*new));
-
-	INIT_LIST_HEAD(&new->list);
+	new = file_list_new();
 
 	list_for_each_entry(old_entry, &old->list, list) {
 		(void)file_list_add_entry(new, old_entry->name, old_entry->filename,