/*
* Based on:
* http://www.koders.com/c/fidFB995E4CBABD7E2D87CD5C771C59EBF4EBB5B803.aspx
* Copyright: (c) 2000, 2001, 2002, 2003 Thomas Heller
*/
int systools_win_replaceExeIcon( const char *exe, const char *ico, int iconResourceID ) {
/* from the .ico file */
ICONDIRHEADER *pidh;
WORD idh_size;
/* for the resources */
GRPICONDIRHEADER *pgidh = NULL;
WORD gidh_size;
HANDLE hUpdate = NULL;
int i;
char *icodata;
DWORD icosize;
icodata = MapExistingFile(ico, &icosize);
if (!icodata)
return 0;
pidh = (ICONDIRHEADER *)icodata;
idh_size = sizeof(ICONDIRHEADER) + sizeof(ICONDIRENTRY) * pidh->idCount;
pgidh = CreateGrpIconDirHeader(pidh, 1);
gidh_size = sizeof(GRPICONDIRHEADER) + sizeof(GRPICONDIRENTRY) * pgidh->idCount;
hUpdate = BeginUpdateResource(exe, FALSE);
if (!hUpdate) goto failed;
if (!UpdateResource
( hUpdate
, MAKEINTRESOURCE(RT_GROUP_ICON)
, MAKEINTRESOURCE(iconResourceID)
, MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL)
, pgidh, gidh_size))
goto failed;
for (i = 0; i < pidh->idCount; ++i) {
char *cp = &icodata[pidh->idEntries[i].dwImageOffset];
int cBytes = pidh->idEntries[i].dwBytesInRes;
if (!UpdateResource
( hUpdate
, MAKEINTRESOURCE(RT_ICON)
, MAKEINTRESOURCE(i+1)
, MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL)
, cp, cBytes))
goto failed;
}
free(pgidh);
UnmapViewOfFile(icodata);
if (!EndUpdateResource(hUpdate, FALSE))
return 0;
return 1;
failed:
if (pgidh)
free(pgidh);
if (hUpdate)
EndUpdateResource(hUpdate, TRUE);
if (icodata)
UnmapViewOfFile(icodata);
return 0;
}
BOOL _LoadPythonDLL(HMODULE hmod)
{
HRSRC hrsrc;
char *pBaseAddress;
int size;
if (!dirname[0])
calc_dirname(hmod);
// Try to locate pythonxy.dll as resource in the exe
hrsrc = FindResource(hmod, MAKEINTRESOURCE(1), PYTHONDLL);
if (hrsrc) {
HGLOBAL hgbl = LoadResource(hmod, hrsrc);
if (!_load_python(PYTHONDLL, LockResource(hgbl))) {
SystemError(GetLastError(), "Could not load python dll");
return FALSE;
}
// dprintf("Loaded pythondll as RESOURCE\n");
return TRUE;
}
// try to load pythonxy.dll as bytes at the start of the zipfile
pBaseAddress = MapExistingFile(libfilename, &size);
if (pBaseAddress) {
int res = 0;
if (0 == strncmp(pBaseAddress, "<pythondll>", 11))
res = _load_python(PYTHONDLL, pBaseAddress + 11 + sizeof(int));
UnmapViewOfFile(pBaseAddress);
if (res) {
// dprintf("Loaded pythondll as <pythondll> from %s\n", libfilename);
return TRUE;
}
}
// try to load pythonxy.dll from the file system
{
char buffer[_MAX_PATH + _MAX_FNAME + _MAX_EXT];
snprintf(buffer, sizeof(buffer), "%s\\%s", dirname, PYTHONDLL);
if (!_load_python(buffer, NULL)) {
SystemError(GetLastError(), "LoadLibrary(pythondll) failed");
SystemError(0, buffer);
return FALSE;
}
// dprintf("Loaded pythondll from file %s\n", buffer);
}
return TRUE;
}
void _TryLoadZlib(HMODULE hmod)
{
char *pBaseAddress;
char *pdata;
HRSRC hrsrc;
// Try to locate pythonxy.dll as resource in the exe
hrsrc = FindResource(hmod, MAKEINTRESOURCE(1), "ZLIB.PYD");
if (hrsrc) {
HGLOBAL hglb = LoadResource(hmod, hrsrc);
if (hglb) {
_Import_Zlib(LockResource(hglb));
}
return;
}
// try to load zlib.pyd from the file system
{
HMODULE hlib;
char buffer[_MAX_PATH + _MAX_FNAME + _MAX_EXT];
snprintf(buffer, sizeof(buffer), "%s\\%s", dirname, "zlib.pyd");
hlib = LoadLibrary(buffer);
if(hlib) {
void (*proc)(void);
proc = (void(*)(void))GetProcAddress(hlib, "initzlib");
if(proc) {
proc();
return;
}
}
}
// try to load zlib.pyd as bytes at the start of the zipfile
pdata = pBaseAddress = MapExistingFile(libfilename, NULL);
if (pBaseAddress) {
if (0 == strncmp(pBaseAddress, "<pythondll>", 11)) {
pdata += 11;
pdata += *(int *)pdata + sizeof(int);
}
if (0 == strncmp(pdata, "<zlib.pyd>", 10)) {
pdata += 10 + sizeof(int);
_Import_Zlib(pdata);
}
UnmapViewOfFile(pBaseAddress);
}
}
