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/* module_info.cc
Copyright 1999, 2000, 2001, 2010, 2013 Red Hat, Inc.
Written by Egor Duda <deo@logos-m.ru>
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include <stdlib.h>
#include <windows.h>
#include <psapi.h>
#include "loadlib.h"
/* Returns full name of Dll, which is loaded by hProcess at BaseAddress.
Uses psapi.dll. */
char *
psapi_get_module_name (HANDLE hProcess, LPVOID BaseAddress)
{
DWORD len;
MODULEINFO mi;
unsigned int i;
HMODULE dh_buf[1];
HMODULE *DllHandle = dh_buf;
DWORD cbNeeded;
BOOL ok;
char name_buf[MAX_PATH + 1];
ok = EnumProcessModules (hProcess, DllHandle, sizeof (HMODULE), &cbNeeded);
if (!ok || !cbNeeded)
goto failed;
DllHandle = (HMODULE *) malloc (cbNeeded);
if (!DllHandle)
goto failed;
ok = EnumProcessModules (hProcess, DllHandle, cbNeeded, &cbNeeded);
if (!ok)
{
free (DllHandle);
goto failed;
}
for (i = 0; i < cbNeeded / sizeof (HMODULE); i++)
{
if (!GetModuleInformation (hProcess, DllHandle[i], &mi, sizeof (mi)))
{
free (DllHandle);
goto failed;
}
len = GetModuleFileNameExA (hProcess, DllHandle[i], name_buf, MAX_PATH);
if (len == 0)
{
free (DllHandle);
goto failed;
}
if (mi.lpBaseOfDll == BaseAddress)
{
free (DllHandle);
return strdup (name_buf);
}
}
failed:
return NULL;
}
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