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-rw-r--r--lib/readline_simple.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/readline_simple.c b/lib/readline_simple.c
index c4d3d240e5..1283c96021 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