www.pudn.com > dtmffft.zip > Registry.c

// REGISTRY.C (c) 2004 Howard Long (G6LVB), Hanlincrest Ltd. All rights reserved. 
// 72 Princes Gate 
// London SW7 2PA 
// United Kingdom 
// howard@hanlincrest.com 
// Free for educational and non-profit use. For commercial use please contact the author. 
 
#include  
 
#include "registry.h" 
 
static const char _szHKLMAppRoot[]="Software\\Hanlincrest\\DTMFFFT"; 
 
BOOL RegGetString(char *pszKey,char *pszData,int nLen) 
{ 
	DWORD dwLen=nLen; 
	DWORD dwType=REG_SZ; 
	HKEY hk=NULL; 
	DWORD dw; 
 
	if (RegCreateKeyEx(HKEY_LOCAL_MACHINE,_szHKLMAppRoot,0,NULL,REG_OPTION_NON_VOLATILE,KEY_QUERY_VALUE | KEY_SET_VALUE,NULL,&hk,&dw)) 
	{ 
		return FALSE; 
	} 
	if (RegQueryValueEx(hk,pszKey,NULL,&dwType,pszData,&dwLen)!=ERROR_SUCCESS) 
	{ 
		RegCloseKey(hk); 
		hk=NULL; 
		return FALSE; 
	} 
	RegCloseKey(hk); 
	hk=NULL; 
	return TRUE; 
} 
 
BOOL RegSetString(char *pszKey,char *pszData) 
{ 
	HKEY hk=NULL; 
	DWORD dw; 
 
	if (RegCreateKeyEx(HKEY_LOCAL_MACHINE,_szHKLMAppRoot,0,NULL,REG_OPTION_NON_VOLATILE,KEY_QUERY_VALUE | KEY_SET_VALUE,NULL,&hk,&dw)) 
	{ 
		return FALSE; 
	} 
	if (RegSetValueEx(hk,pszKey,0,REG_SZ,pszData,strlen(pszData)+1)!=ERROR_SUCCESS) 
	{ 
		RegCloseKey(hk); 
		hk=NULL; 
		return FALSE; 
	} 
	RegCloseKey(hk); 
	hk=NULL; 
	return TRUE; 
}