overlaytopleft/games-fps/gzdoom/files/0013-fixed-buffer-size-checks-for-raw-textures.patch

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From 6333e4fefb5c41971ca0d4bf97648f21b693e8f7 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Sat, 7 Jan 2023 16:15:32 +0100
Subject: [PATCH 13/51] - fixed buffer size checks for raw textures.
---
src/common/textures/formats/rawpagetexture.cpp | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/common/textures/formats/rawpagetexture.cpp b/src/common/textures/formats/rawpagetexture.cpp
index 1ee29e13d..8f1a357b2 100644
--- a/src/common/textures/formats/rawpagetexture.cpp
+++ b/src/common/textures/formats/rawpagetexture.cpp
@@ -94,7 +94,7 @@ bool CheckIfRaw(FileReader & data, int desiredsize)
{
gapAtStart = false;
}
- else if (ofs >= 64000-1) // Need one byte for an empty column
+ else if (ofs >= desiredsize-1) // Need one byte for an empty column
{
return true;
}
@@ -102,7 +102,7 @@ bool CheckIfRaw(FileReader & data, int desiredsize)
{
// Ensure this column does not extend beyond the end of the patch
const uint8_t *foo2 = (const uint8_t *)foo;
- while (ofs < 64000)
+ while (ofs < desiredsize)
{
if (foo2[ofs] == 255)
{
@@ -110,7 +110,7 @@ bool CheckIfRaw(FileReader & data, int desiredsize)
}
ofs += foo2[ofs+1] + 4;
}
- if (ofs >= 64000)
+ if (ofs >= desiredsize)
{
return true;
}
--
2.39.3