From d0b4bb8afc4e135aeb08dcc310631cb95ba96b79 Mon Sep 17 00:00:00 2001
From: ada christine <45108022+adachristine@users.noreply.github.com>
Date: Thu, 10 Feb 2022 18:22:28 +0000
Subject: missing nul check in type width argument

---
 kc/core/kprint.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'kc/core/kprint.c')

diff --git a/kc/core/kprint.c b/kc/core/kprint.c
index 18b5af9..70010ea 100644
--- a/kc/core/kprint.c
+++ b/kc/core/kprint.c
@@ -148,7 +148,9 @@ static struct specifier parse_specifier(const char *format, va_list arguments)
 
     // step 3: check for type width arguments
     switch (*begin)
-    {
+        case 0: // unexpected eos
+            result.type = INVALID_PRINT;
+            return result;
         case 'h':
             {
                 if (begin[0] == begin[1])
-- 
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