The getc function may return an errno code if an error happens.
This patch prevents readline from printing a non printable character and
from looping to infinity and beyong.
Signed-off-by: Gaël PORTAY <gael.portay@xxxxxxxxxxxxxxxxxxxx>
---
lib/readline_simple.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/readline_simple.c b/lib/readline_simple.c
index c4d3d240e..1283c9602 100644
--- a/lib/readline_simple.c
+++ b/lib/readline_simple.c
@@ -58,6 +58,8 @@ int readline (const char *prompt, char *line, int len)
for (;;) {
c = getchar();
+ if (c < 0)
+ return (-1);
/*
* Special character handling
--
2.13.2
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
