C / C++ / MFC

Zac Howland wrote:

That is one of the topics that should be required

<br />
BOOL IsValid(MyType *p)<br />
{<br />
     /* test whether MyType *p is valid.<br />
      * if valid, return TRUE.<br />
      * return FALSE otherwise */<br />
   <br />
     .....<br />
}<br />
<br />
void TestIsValid ()<br />
{<br />
     MyType a;<br />
     BOOL bRet;<br />
<br />
     bRet = IsValid (&a);<br />
     printf ("IsValid( ) returns %d.\n", bRet);<br />
}<br />

<br />
BOOL IsValid (MyType *p)<br />
{<br />
   ...<br />
#ifdef _DEBUG<br />
    TestIsValid();<br />
#endif<br />
}<br />

void TestIsValid()
{
    MyType a;
    BOOL bRet = false;
#ifdef _DEBUG
    bRet = IsValid (&a);
    printf ("IsValid( ) returns %d.\n", bRet);
#endif
}

#ifdef _UNICODE
#ifndef UNICODE
#define UNICODE
#endif
#endif

waldermort wrote:

Why are there two definitions?

fvandun wrote:

LPWSTR servername = new WCHAR[sizeof(argv[1])+1];
26
27 MultiByteToWideChar (
28 CP_ACP, // code page
29 0, // performance and mapping flags
30 (char *) argv[1], // address of character string
31 -1, // number of characters in string
32 servername, // address of buffer for new string
33 wcslen(servername) // size of buffer
34 );

size_t wStrSize = strlen(argv[1] + 1);
LPWSTR servername = new WCHAR[wStrSize];
MultiByteToWideChar(	CP_ACP, 		// code page
			MB_PRECOMPOSED, 	// performance and mapping flags
			(const char*)argv[1], 	// address of character string
			-1, 			// number of characters in string
			servername, 		// address of buffer for new string
			wStrSize); 		// size of buffer

LPWSTR servername = new WCHAR[wStrSize];
memset(servername, 0, sizeof(WCHAR) * wStrSize);