C / C++ / MFC

<br />
// create a new character buffer initialized to 0's<br />
const unsigned int MAX_S_SIZE = 50;<br />
char s[MAX_S_SIZE] = {0};<br />
<br />
// put some stuff in the buffer<br />
strcpy(s, "Hello, world!");<br />
<br />
// clear the buffer<br />
memset(s, 0, MAX_S_SIZE);<br />
<br />
// NOTE:  for an easier transition into UNICODE, the following works better<br />
const unsigned int MAX_S_SIZE = 50;<br />
TCHAR s[MAX_S_SIZE] = {0};<br />
_tscpy(s, _T("Hello, World!"));<br />
memset(s, 0, MAX_S_SIZE * sizeof(TCHAR));<br />

const unsigned int ARRAY_SIZE = 20;<br />
char myBuffer[ARRAY_SIZE] = {0};<br />
<br />
// Right now, the entire buffer is 0's<br />
strcpy(myBuffer, "My funny String");<br />
<br />
cout << myBuffer << endl;<br />
cout << strlen(myBuffer) << endl;<br />
// Output will be:<br />
// My funny String<br />
// 15<br />
<br />
// Now, replace the buffer<br />
strcpy(myBuffer, "Hello");<br />
<br />
cout << myBuffer << endl;<br />
cout << strlen(myBuffer) << endl;<br />
// Output will be:<br />
// Hello<br />
// 5

char caBuffer[ 50 ];
 
strcpy( caBuffer, "A Looooooooong String" );
strcpy( caBuffer, "A Short String" );
puts( caBuffer );

0123456789012345678901</CODE>
<CODE>----------------------</CODE>
A Looooooooong String<CODE>Ø

0123456789012345678901</CODE>
<CODE>----------------------</CODE>
A Short String<CODE>Ø</CODE>String<CODE>Ø

James R. Twine wrote:

write a terminating NUL (not a NULL[^])

jhwurmbach wrote:

You really got a obsession there, right?

Nishant Sivakumar wrote:

Why is Zac's answer low-voted? It was an accurate answer, wasn't it?

deltaseq0 wrote:

for one thing, MFC is copyrighted

CFile myfile(/* code to open the file*/);<br />
myfile.GetStatus()<br />