From 4623811ec3f3f63db52a69640a5eb2d91ce2ebb3 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Mon, 4 Nov 2019 20:44:04 +0100
Subject: [PATCH] AK: Let's just log unimplemented printf() format strings

It's too dang frustrating that we actually crash whenever we hit some
unimplemented printf specifier. Let's just log the whole format string
and carry on as best we can.
---
 AK/PrintfImplementation.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/AK/PrintfImplementation.h b/AK/PrintfImplementation.h
index 907d03d77a..59d4f5e319 100644
--- a/AK/PrintfImplementation.h
+++ b/AK/PrintfImplementation.h
@@ -250,6 +250,9 @@ template<typename PutChFunc>
         if (*p == '%' && *(p + 1)) {
         one_more:
             ++p;
+            // FIXME: This is just a hack workaround to prevent choking on '.' specifiers
+            if (*p == '.')
+                goto one_more;
             if (*p == '-') {
                 left_pad = true;
                 if (*(p + 1))
@@ -356,8 +359,7 @@ template<typename PutChFunc>
                 ret += print_hex(putch, bufptr, va_arg(ap, u32), *p == 'P', true, false, true, 8);
                 break;
             default:
-                dbg() << "printf_internal: Unimplemented format specifier " << *p;
-                ASSERT_NOT_REACHED();
+                dbg() << "printf_internal: Unimplemented format specifier " << *p << " (fmt: " << fmt << ")";
             }
         } else {
             putch(bufptr, *p);