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Diffstat (limited to 'sal/systools/win32/uwinapi/GetModuleFileNameExA.cpp')
-rw-r--r--sal/systools/win32/uwinapi/GetModuleFileNameExA.cpp53
1 files changed, 53 insertions, 0 deletions
diff --git a/sal/systools/win32/uwinapi/GetModuleFileNameExA.cpp b/sal/systools/win32/uwinapi/GetModuleFileNameExA.cpp
new file mode 100644
index 000000000000..b66ebf6dab70
--- /dev/null
+++ b/sal/systools/win32/uwinapi/GetModuleFileNameExA.cpp
@@ -0,0 +1,53 @@
+#include "macros.h"
+#ifdef _MSC_VER
+#pragma warning(push,1) // disable warnings within system headers
+#endif
+#include <psapi.h>
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+#include <tlhelp32.h>
+
+IMPLEMENT_THUNK( psapi, WINDOWS, DWORD, WINAPI, GetModuleFileNameExA, (HANDLE hProcess, HMODULE hModule, LPSTR lpFileName, DWORD nSize ) )
+{
+ DWORD dwProcessId = 0;
+ DWORD dwResult = 0;
+
+ if ( !hProcess || hProcess == GetCurrentProcess() || GetCurrentProcessId() == (dwProcessId = GetProcessId( hProcess )) )
+ return GetModuleFileNameA( hModule, lpFileName, nSize );
+
+ HANDLE hSnapshot = CreateToolhelp32Snapshot( TH32CS_SNAPMODULE, dwProcessId );
+
+ if ( IsValidHandle( hSnapshot ) )
+ {
+ MODULEENTRY32 me;
+
+ me.dwSize = sizeof(me);
+ if ( Module32First( hSnapshot, &me ) )
+ {
+ BOOL fFound = FALSE;
+
+ if ( NULL == hModule )
+ fFound = TRUE;
+ else do
+ {
+ fFound = (me.hModule == hModule);
+ } while ( !fFound && Module32Next( hSnapshot, &me ) );
+
+ if ( fFound )
+ {
+ dwResult = _tcslen( me.szExePath );
+
+ if ( dwResult > nSize && nSize > 0 )
+ lpFileName[nSize -1] = 0;
+
+ _tcsncpy( lpFileName, me.szExePath, nSize );
+ }
+ }
+
+ CloseHandle( hSnapshot );
+ }
+
+ return dwResult;
+}
+