lib/libUPnP/patches/0055-libUPnP-Fix-some-UB-like-memcpy.patch

   1 From 6b0bc3602465eede68f1e04cf4835d1347bc9d69 Mon Sep 17 00:00:00 2001
   2 From: Yu Xiao <1918256943@qq.com>
   3 Date: Fri, 11 Oct 2024 18:02:35 +0800
   4 Subject: [PATCH] fix some UB like memcpy(NULL, NULL, 0)
   5
   6 ---
   7  lib/libUPnP/Neptune/Source/Core/NptUtils.cpp | 2 +-
   8  1 file changed, 1 insertion(+), 1 deletion(-)
   9
  10 diff --git a/lib/libUPnP/Neptune/Source/Core/NptUtils.cpp b/lib/libUPnP/Neptune/Source/Core/NptUtils.cpp
  11 index f427f8b..b2a641c 100644
  12 --- a/lib/libUPnP/Neptune/Source/Core/NptUtils.cpp
  13 +++ b/lib/libUPnP/Neptune/Source/Core/NptUtils.cpp
  14 @@ -376,7 +376,7 @@ NPT_HexString(const unsigned char* data,
  15      while (data_size--) {
  16          NPT_ByteToHex(*src++, dst, uppercase);
  17          dst += 2;
  18 -        if (data_size) {
  19 +        if (data_size && separator_length) {
  20              NPT_CopyMemory(dst, separator, separator_length);
  21              dst += separator_length;
  22          }
  23 --
  24 2.44.0.windows.1
  25