[PATCH 2/4] programs/cmd: handle read errors in WCMD_ask_confirm

[Eric Pouech]

Signed-off-by: Eric Pouech <eric.pouech at gmail.com>

---
 programs/cmd/builtins.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/programs/cmd/builtins.c b/programs/cmd/builtins.c
index d14e69e072a..91e4453a4e7 100644
--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -193,7 +193,9 @@ static BOOL WCMD_ask_confirm (const WCHAR *message, BOOL showSureText,
       if (showSureText)
         WCMD_output_asis (confirm);
       WCMD_output_asis (options);
-      WCMD_ReadFile(GetStdHandle(STD_INPUT_HANDLE), answer, ARRAY_SIZE(answer), &count);
+      if (!WCMD_ReadFile(GetStdHandle(STD_INPUT_HANDLE), answer, ARRAY_SIZE(answer), &count))
+        return FALSE;
+      if (!count) continue;
       answer[0] = towupper(answer[0]);
       if (answer[0] == Ybuffer[0])
         return TRUE;