how to convert an int to QByteArray

[babu198649]

hi
how to convert an int to QByteArray

[marcel]

Here's a quick, untested solution:

for(int i = 0; i != sizeof(n); ++i)
{
  byteArray.append((char)(n&(0xFF << i) >>i));
}

for(int i = 0; i != sizeof(n); ++i)
{
  byteArray.append((char)(n&(0xFF << i) >>i));
}

To copy to clipboard, switch view to plain text mode 

n is the integer you want to store in the byte array.

[jpn]

Notice static methods of QByteArray.

[babu198649]

hi jpn
always u think the person who ask question is lazy and just want him to search the entire manual

[marcel]

hi jpn
always u think the person who ask question is lazy and just want him to search the entire manual

I don't think so, because there's no way he could've given you the link directly to the static members section in the QByteArray documentation. There's no link to that section.

[jpn]

always u think the person who ask question is lazy and just want him to search the entire manual

Huh? Entire manual? Is it so hard to find static members of QByteArray? In the end, by giving hints rather than direct links, you'll get more familiar with the docs and learn searching them by yourself.

[babu198649]

cool marcel
i didn,t mean seriously ,in fact the post was useful and i have even thanked him.

what i meant was he could have(not necessarily) directly pasted this line .
QByteArray QByteArray::number ( int n, int base = 10 )

[wanderameise]

Here's a quick, untested solution:

for(int i = 0; i != sizeof(n); ++i)
{
  byteArray.append((char)(n&(0xFF << i) >>i));
}

for(int i = 0; i != sizeof(n); ++i)
{
  byteArray.append((char)(n&(0xFF << i) >>i));
}

To copy to clipboard, switch view to plain text mode 

n is the integer you want to store in the byte array.

Dude that's not correct. it should be:

for(int i = 0; i != sizeof(n); ++i)
{
    byteArray.append((char)((n & (0xFF << (i*8))) >> (i*8)));
}

for(int i = 0; i != sizeof(n); ++i)
{
    byteArray.append((char)((n & (0xFF << (i*8))) >> (i*8)));
}

To copy to clipboard, switch view to plain text mode 

[aamer4yu]

what i meant was he could have(not necessarily) directly pasted this line .
QByteArray QByteArray::number ( int n, int base = 10 )

Why not ???
Check here

[d_stranz]

I am sure that nearly seven years after the original post, this information will prove to be just the answer the original poster was asking for. Don't you guys ever bother to check the post dates before replying to something?

[anda_skoa]

Don't you guys ever bother to check the post dates before replying to something?

But, but, but, somebody was wrong(!) on the Internet!!

Cheers,
_

[d_stranz]

But, but, but, somebody was wrong(!) on the Internet!!

No, never happens. Everything on the Internet is true, but some things are more true than others.

[wysota]

No, never happens. Everything on the Internet is true, but some things are more true than others.

bool operator>(bool lhs, bool rhs) { return true; }

bool operator>(bool lhs, bool rhs) { return true; }

To copy to clipboard, switch view to plain text mode