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bugfix(map): Guard the fallback map display name against a missing separator #3106

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bugfix(map): Guard the fallback map display name against a missing separator #3106

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0523a21
refactor(lib): Add path separator helpers to PathUtil
bobtista Aug 11, 2026
754f164
bugfix(map): Guard the fallback map display name against a missing se…
bobtista Aug 11, 2026
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11 changes: 9 additions & 2 deletions Core/GameEngine/Source/GameClient/MapUtil.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -60,12 +60,19 @@
#include "GameLogic/FPUControl.h"
#include "GameNetwork/GameInfo.h"
#include "GameNetwork/NetworkDefs.h"
#include "Lib/PathUtil.h"


//-------------------------------------------------------------------------------
// PRIVATE DATA ///////////////////////////////////////////////////////////////////////////////////
static const char *mapExtension = ".map";

static const char *getPathLeaf( const AsciiString &path )
{
const char *separator = getLastPathSeparator(path.str());
return separator ? separator + 1 : path.str();
}

static Int m_width = 0; ///< Height map width.
static Int m_height = 0; ///< Height map height (y size of array).
static Int m_borderSize = 0; ///< Non-playable border area.
Expand Down Expand Up @@ -592,7 +599,7 @@ Bool MapCache::addMap(
{
// unofficial maps or maps without names
AsciiString tempdisplayname;
tempdisplayname = fname.reverseFind('\\') + 1;
tempdisplayname = getPathLeaf(fname);
(*this)[lowerFname].m_displayName.translate(tempdisplayname);
if (md.m_numPlayers >= 2)
{
Expand Down Expand Up @@ -654,7 +661,7 @@ Bool MapCache::addMap(
{
DEBUG_LOG(("Missing TheKey_mapName!"));
AsciiString tempdisplayname;
tempdisplayname = fname.reverseFind('\\') + 1;
tempdisplayname = getPathLeaf(fname);
md.m_displayName.translate(tempdisplayname);
if (md.m_numPlayers >= 2)
{
Expand Down
27 changes: 25 additions & 2 deletions Core/Libraries/Include/Lib/PathUtil.h
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,29 @@
#include "BaseType.h"
#include <string.h>

inline char getNativePathSeparator()
{
#ifdef _WIN32
return '\\';
#else
return '/';
#endif
}

inline const char* getLastPathSeparator(const char* path)
{
const char* forward = strrchr(path, '/');
const char* backward = strrchr(path, '\\');
return !forward ? backward : (!backward || forward > backward ? forward : backward);
}

inline const wchar_t* getLastPathSeparator(const wchar_t* path)
{
const wchar_t* forward = wcsrchr(path, L'/');
const wchar_t* backward = wcsrchr(path, L'\\');
return !forward ? backward : (!backward || forward > backward ? forward : backward);
}

inline const char* getExtension(const char* path)
{
const char* lastDot = strrchr(path, '.');
Expand All @@ -32,7 +55,7 @@ inline const char* getExtension(const char* path)
return nullptr;
}

const char* lastSeparator = maxPtr(strrchr(path, '/'), strrchr(path, '\\'));
const char* lastSeparator = getLastPathSeparator(path);

// Check if the dot is contained in the filename
if (lastSeparator && lastDot < lastSeparator)
Expand All @@ -52,7 +75,7 @@ inline const wchar_t* getExtension(const wchar_t* path)
return nullptr;
}

const wchar_t* lastSeparator = maxPtr(wcsrchr(path, L'/'), wcsrchr(path, L'\\'));
const wchar_t* lastSeparator = getLastPathSeparator(path);

// Check if the dot is contained in the filename
if (lastSeparator && lastDot < lastSeparator)
Expand Down
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