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-rw-r--r--lib/display/display.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/display/display.c b/lib/display/display.c
index f9c9ef836..3c2c2c2bc 100644
--- a/lib/display/display.c
+++ b/lib/display/display.c
@@ -974,7 +974,7 @@ char yes_no_prompt(const char *prompt, ...)
c = tolower(c);
- if ((ret > 0) && (c == answer[0]))
+ if ((ret > 0) && answer && (c == answer[0]))
answer++; /* Matching, next char */
else if (c == '\n') {
if (feof(stdin))
@@ -1000,7 +1000,7 @@ char yes_no_prompt(const char *prompt, ...)
/* Ignore any whitespace before */
--i;
goto nextchar;
- } else if ((ret > 0) && isspace(c)) {
+ } else if ((ret > 0) && answer && isspace(c)) {
/* Ignore any whitespace after */
while (*answer)
answer++; /* jump to end-of-word */