Function CLIENT_remove

src/utilities/install/install.cpp:275–353

}

USHORT CLIENT_remove(const TEXT* rootdir, USHORT client, bool sw_force, err_handler_t err_handler)
{
/**************************************
 *
 *	C L I E N T _ r e m o v e
 *
 **************************************
 *
 * Functional description
 *	Depending on the USHORT client parameter, remove FBCLIENT.DLL or GDS32.DLL
 *	from the Windows System directory.
 *
 *	when removing and -force is NOT used
 *
 *		test for existence of client library
 *		if version matches then decrement shared library count
 *			if count=0 then delete library, remove entry from shared library
 *		if version doesn't match then do nothing. It is not ours.
 *
 *	when removing and -force IS used
 *
 *		test for existence of client library
 *		if version matches then delete library, remove entry for shared library
 *		if version doesn't match then do nothing. It is not ours.
 *
 **************************************/

	// Get Windows System Directory
	TEXT sysdir[MAXPATHLEN];
	int len = GetSystemDirectory(sysdir, sizeof(sysdir));
	if (len == 0)
		return (*err_handler) (GetLastError(), "GetSystemDirectory()");

	// Compute ourverMS and ourverLS. They will contain the full client version
	// number that we could have installed to WinSysDir.
	TEXT fbdll[MAXPATHLEN];
	lstrcpy(fbdll, rootdir);
//	lstrcat(fbdll, "\\bin\\");
	lstrcat(fbdll, "\\");
	lstrcat(fbdll, FBCLIENT_NAME);

	DWORD ourverMS = 0, ourverLS = 0;
	USHORT status = GetVersion(fbdll, ourverMS, ourverLS, err_handler);
	if (status != FB_SUCCESS)
		return status;

	if (client == CLIENT_GDS)
	{
		// For the GDS32.DLL, the major/minor version is hardcoded
		ourverMS = (GDSVER_MAJOR << 16) | GDSVER_MINOR;
	}

	// Check for existence and version of current installed client
	TEXT target[MAXPATHLEN];
	lstrcpy(target, sysdir);
	lstrcat(target, "\\");
	lstrcat(target, client == CLIENT_GDS ? GDS32_NAME : FBCLIENT_NAME);