Re: [Dev-C++] itoa - simple implementation [was: integer to string]

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

Yes, global variables and static variables are always zero-filled on
startup, so in this case, you could skip the terminating zero.

/Per W

On Wed, 2 Apr 2003, Luigi Santillo wrote:

> On Wed, Apr 02, 2003 at 04:38:41AM +0200, Per Westermark wrote:
> > Assign of string termination will be one position off, i.e. outside your
> > buffer.
> > [..]
>
> Thanks again for pointing out the bug, I'll fix it as shown by the
> few code lines below.
>
> One thing I was wondering is: since "buf" is static, may I assume
> it is filled with '\0' by the compiler?  (So there will be ne need
> for me to place the terminating '\0')
>
>
> itoa.c
> ------
> /* .. */
>
> /* old code: #define MAXSZ   21  */
> #define MAXSZ   20  /* assuming integer is made of 19 digits + sign */
>
> char *
> itoa(int n)
> {
>    /* old code:   static char buf[MAXSZ]; */
>    static char buf[MAXSZ + 1];
>    char *p = buf + MAXSZ;
>    /* ... */
>    *p = '\0'; /* << really needed ? >> */
> }
> ------
>
> Regards
> --
> >> gisan >>
>
>
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