From 8aa17f0480db67a514d3fc33e729f96f961ddee3 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Mon, 29 Oct 2018 21:53:57 -0400
Subject: [PATCH] pl_u: Resize buffers in shared font data getter to what game
requests Fixes unmapped spam in SMP and buffer size errors in some other
games
---
src/core/hle/service/ns/pl_u.cpp | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/core/hle/service/ns/pl_u.cpp b/src/core/hle/service/ns/pl_u.cpp
index 44accecb7d..1066bf5056 100644
--- a/src/core/hle/service/ns/pl_u.cpp
+++ b/src/core/hle/service/ns/pl_u.cpp
@@ -351,6 +351,14 @@ void PL_U::GetSharedFontInOrderOfPriority(Kernel::HLERequestContext& ctx) {
font_sizes.push_back(region.size);
}
+ // Resize buffers if game requests smaller size output.
+ font_codes.resize(
+ std::min<std::size_t>(font_codes.size(), ctx.GetWriteBufferSize(0) / sizeof(u32)));
+ font_offsets.resize(
+ std::min<std::size_t>(font_offsets.size(), ctx.GetWriteBufferSize(1) / sizeof(u32)));
+ font_sizes.resize(
+ std::min<std::size_t>(font_sizes.size(), ctx.GetWriteBufferSize(2) / sizeof(u32)));
+
ctx.WriteBuffer(font_codes, 0);
ctx.WriteBuffer(font_offsets, 1);
ctx.WriteBuffer(font_sizes, 2);
--
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