From cb9fa588ba8144fcdd52ba4b83d69d93fb18066f Mon Sep 17 00:00:00 2001
From: Dominick Allen <djallen@librehumanitas.org>
Date: Sun, 30 Mar 2025 23:08:43 -0500
Subject: Add hash map.

---
 include/fud_format.hpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'include/fud_format.hpp')

diff --git a/include/fud_format.hpp b/include/fud_format.hpp
index e80d96e..0dff3c1 100644
--- a/include/fud_format.hpp
+++ b/include/fud_format.hpp
@@ -261,6 +261,9 @@ struct FormatArguments {
     template <typename... Args>
     static auto makeFormatArguments(Args&&... args) -> FormatArguments
     {
+        static_assert(Size == sizeof...(Args));
+        constexpr size_t MaxStackFormatArgSize = 2048U;
+        static_assert(sizeof(FormatArguments) < MaxStackFormatArgSize);
         return FormatArguments{Array<FormatArgument, Size>{{FormatArgument{std::forward<Args>(args)}...}}};
     }
 };
@@ -440,6 +443,10 @@ FormatResult vFormat(Sink& sink, FormatCharMode formatMode, FormatString fmt, co
             }
             formatArgIndex = formatSpec.position;
         }
+        if (formatArgIndex >= Size) {
+            result.status = FudStatus::FormatInvalid;
+            return result;
+        }
         auto argResult{std::visit(
             [&](const auto& arg) -> FormatResult { return format(sink, formatMode, formatSpec, arg); },
             args[formatArgIndex])};
@@ -451,7 +458,6 @@ FormatResult vFormat(Sink& sink, FormatCharMode formatMode, FormatString fmt, co
         if (!formatSpec.takesPosition()) {
             argIndex++;
             argIndex += static_cast<uint8_t>(formatSpec.takesWidth);
-            argIndex += static_cast<uint8_t>(formatSpec.takesPrecision);
         }
     }
 
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