cli: Add a function to set up a new cread

Create a init function so that it is easy to use command-line reading.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 15 insertions, 9 deletions

diff --git a/common/cli_readline.c b/common/cli_readline.c
index 23913a857a9..06b8d465044 100644
--- a/common/cli_readline.c
+++ b/common/cli_readline.c
@@ -424,28 +424,34 @@ int cread_line_process_ch(struct cli_line_state *cls, char ichar)
 	return -EAGAIN;
 }
 
+void cli_cread_init(struct cli_line_state *cls, char *buf, uint buf_size)
+{
+	int init_len = strlen(buf);
+
+	memset(cls, '\0', sizeof(struct cli_line_state));
+	cls->insert = true;
+	cls->buf = buf;
+	cls->len = buf_size;
+
+	if (init_len)
+		cread_add_str(buf, init_len, 0, &cls->num, &cls->eol_num, buf,
+			      buf_size);
+}
+
 static int cread_line(const char *const prompt, char *buf, unsigned int *len,
 		      int timeout)
 {
 	struct cli_ch_state s_cch, *cch = &s_cch;
 	struct cli_line_state s_cls, *cls = &s_cls;
 	char ichar;
-	int init_len = strlen(buf);
 	int first = 1;
 
 	cli_ch_init(cch);
-	memset(cls, '\0', sizeof(struct cli_line_state));
-	cls->insert = true;
-	cls->len = *len;
+	cli_cread_init(cls, buf, *len);
 	cls->prompt = prompt;
-	cls->buf = buf;
 	cls->history = true;
 	cls->cmd_complete = true;
 
-	if (init_len)
-		cread_add_str(buf, init_len, 1, &cls->num, &cls->eol_num, buf,
-			      *len);
-
 	while (1) {
 		int ret;