Re: [Dev-C++] itoa - simple implementation

[Per W. <pw...@ia...>]

But the following code works:

char buf1[30],buf2[30],*p1 = itoa(9,buf1), *p2 = itoa(10,buf2);

It's quick since it doesn't use dynamic memory. It's reentrant since the
thread uses it's own buffers and not a global buffer hidden somewhere
within the itoa() implementation.

It supports multiple stored answers for each thread.

It may never leak memory, since the buffers are auto-allocated.

That's why just about all itoa() implementations available with compilers
or OS are taking the pointer as an input parameter.

/Per W

On Wed, 2 Apr 2003, Luigi Santillo wrote:

> On Wed, Apr 02, 2003 at 01:48:06PM +0300, Ioannis Vranos wrote:
> > This code is not good. Assume this:
> >
> >
> > char *p=itoa(9), *q=itoa(10);
> >
> >
> > I suggest to return a pointer on memory on the free store.
> >
>
> Hello,
>
> You are right, my simple implementation does not cope well
> with the above situation. I used the free store in my first
> implementation, then, following some advice, I attempted to
> use a static array, as that would probably be faster.
>
> Thanks for your suggestion
> --
> >> gisan >>
>
>
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