code_app/modules/saneui/dllmain.cpp

#include "base/HGDef.h"
#include "base/HGInc.h"
#include "base/HGUtility.h"

#if defined (HG_CMP_MSC)
#include "qmfcapp.hpp"
#include "qwinwidget.hpp"

HINSTANCE g_hInst = NULL;
bool g_ownApplication = FALSE;

BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpvReserved*/)
{
    if (dwReason == DLL_PROCESS_ATTACH)
    {
        g_hInst = hInstance;

        HGChar moduleName[512];
        HGBase_GetModuleName(DllMain, moduleName, 512);
        HGChar modulePath[512];
        HGBase_GetFilePath(moduleName, modulePath, 512);

        char *env = getenv("QT_QPA_PLATFORM_PLUGIN_PATH");
        if (NULL == env)
        {
            char newEnv[256];
            sprintf(newEnv, "QT_QPA_PLATFORM_PLUGIN_PATH=%s", modulePath);
            putenv(newEnv);
        }
        else if (NULL == strstr(env, modulePath))
        {
            char *newEnv = new char [strlen(env) + 256];
            sprintf(newEnv, "QT_QPA_PLATFORM_PLUGIN_PATH=%s;%s", env, modulePath);
            putenv(newEnv);
            delete []newEnv;
        }
    }
    else if (dwReason == DLL_PROCESS_DETACH)
    {
        if (g_ownApplication)
            delete qApp;
        g_hInst = NULL;
    }

    return TRUE;
}
#else

void __attribute__((constructor)) global_load(void);
void __attribute__((destructor)) global_unload(void);

void global_load(void)
{

}

void global_unload(void)
{

}

#endif