msh: fix Ctrl-C handling with line editing

1 files changed, 3 insertions, 1 deletions

diff --git a/shell/msh.c b/shell/msh.c
index 7371120ca..9a1be36d9 100644
--- a/shell/msh.c
+++ b/shell/msh.c
@@ -4836,7 +4836,9 @@ static int filechar(struct ioarg *ap)
                 static int position = 0, size = 0;
 
                 while (size == 0 || position >= size) {
-                        read_line_input(current_prompt, filechar_cmdbuf, BUFSIZ, line_input_state);
+                        /* Repeat if Ctrl-C is pressed. TODO: exit on -1 (error/EOF)? */
+                        while (read_line_input(current_prompt, filechar_cmdbuf, BUFSIZ, line_input_state) == 0)
+                                continue;
                         size = strlen(filechar_cmdbuf);
                         position = 0;
                 }