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#include <memory>
#include <windows.h>
#include <SWI-Prolog.h>
#include "resource.h"
#include "defs.h"
/* Convert normal string to TSTR using given codepage. */
TCHAR *
TszFromSz(const char *sz, int iCp)
{
TCHAR *tsz;
#ifdef UNICODE
int cbMultiByte, cchWideChar;
cbMultiByte = strlen(sz)+1;
cchWideChar = MultiByteToWideChar(iCp, 0, sz, cbMultiByte, NULL, 0);
tsz = (TCHAR *)malloc(cchWideChar*sizeof(WCHAR));
if (!tsz) return NULL;
if (!MultiByteToWideChar(iCp, 0, sz, cbMultiByte, tsz, cchWideChar))
return NULL;
#else
tsz = malloc(strlen(sz)+1);
if (!tsz) return NULL;
strcpy(tsz, sz);
#endif
return tsz;
}
Library::Library(const TCHAR *tszLibrary)
{
m_hModule = LoadLibrary(tszLibrary);
}
Library::~Library()
{
if (m_hModule)
FreeLibrary(m_hModule);
}
FARPROC
Library::GetProcAddress(const char *szProc)
{
return m_hModule? ::GetProcAddress(m_hModule, szProc): NULL;
}
std::unique_ptr<Library>
Library::Load(const TCHAR *tszLibrary)
{
auto upLib = std::make_unique<Library>(tszLibrary);
if (!upLib->m_hModule) upLib = nullptr;
return upLib;
}
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