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FileSystem: Fix GetProgramPath() sometimes returning stale paths 

See https://social.msdn.microsoft.com/Forums/windowshardware/en-US/4b7b3884-d0bb-4812-bc18-2078c61d4b90/queryfullprocessimagename-gives-wrong-path-for-renamed-directory?forum=windowsgeneraldevelopmentissues
This commit is contained in:
Connor McLaughlin 2020-09-20 20:10:03 +10:00
parent ffc840d909
commit 3950d80771
1 changed files with 9 additions and 12 deletions
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21
src/common/file_system.cpp
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@ -1114,16 +1114,13 @@ bool FileSystem::DeleteDirectory(const char* Path, bool Recursive)
std::string GetProgramPath()
{
const HANDLE hProcess = GetCurrentProcess();
std::wstring buffer;
buffer.resize(MAX_PATH);
for (;;)
{
DWORD nChars = static_cast<DWORD>(buffer.size());
if (!QueryFullProcessImageNameW(GetCurrentProcess(), 0, buffer.data(), &nChars) &&
GetLastError() == ERROR_INSUFFICIENT_BUFFER)
DWORD nChars = GetModuleFileNameW(nullptr, buffer.data(), static_cast<DWORD>(buffer.size()));
if (nChars == static_cast<DWORD>(buffer.size()) && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
buffer.resize(buffer.size() * 2);
continue;
@ -1315,7 +1312,7 @@ bool StatFile(const char* Path, FILESYSTEM_STAT_DATA* pStatData)
if (Path[0] == '\0')
return false;
// stat file
// stat file
#ifdef __HAIKU__
struct stat sysStatData;
if (stat(Path, &sysStatData) < 0)
@ -1349,7 +1346,7 @@ bool FileExists(const char* Path)
if (Path[0] == '\0')
return false;
// stat file
// stat file
#ifdef __HAIKU__
struct stat sysStatData;
if (stat(Path, &sysStatData) < 0)
@ -1371,13 +1368,13 @@ bool DirectoryExists(const char* Path)
if (Path[0] == '\0')
return false;
// stat file
// stat file
#ifdef __HAIKU__
struct stat sysStatData;
if (stat(Path, &sysStatData) < 0)
struct stat sysStatData;
if (stat(Path, &sysStatData) < 0)
#else
struct stat64 sysStatData;
if (stat64(Path, &sysStatData) < 0)
struct stat64 sysStatData;
if (stat64(Path, &sysStatData) < 0)
#endif
return false;