a 0xFFFFFFFFFFFFFFFF should come as a negative number
Best Regards
Ashish Goel
"Think positive and find fuel in failure"
+919985813081
+919966006652
On Mon, Jan 16, 2012 at 8:19 AM, Gene <gene.ress...@gmail.com> wrote:
> Okay. Normally you want to use a library that someone else has
> tested. So:
>
> sscanf("%x", &i);
>
> If you don't have access to any libraries, then:
>
> /*
> * Return the integer value of the hex string s. Allowable characters
> * are 0-9, a-f, A-F. Any other character causes scanning to stop and
> * the hex value of the string up to that character is returned. If
> the first
> * character is non-hex, then zero is returned.
> */
> int hex_to_int(char *s)
> {
> int i = 0;
> while (*s) {
> if ('0' <= *s && *s <= '9')
> i = (i << 4) + (*s - '0');
> else if ('a' <= *s && *s <= 'f')
> i = (i << 4) + *s + (10 - 'a');
> else if ('A' <= *s && *s <= 'F')
> i = (i << 4) + *s + (10 - 'A');
> else break;
> s++;
> }
> return i;
> }
>
> On Jan 15, 9:16 pm, Ashish Goel <ashg...@gmail.com> wrote:
> > i would assume C or C++
> >
> > Best Regards
> > Ashish Goel
> > "Think positive and find fuel in failure"
> > +919985813081
> > +919966006652
> >
> >
> >
> > On Mon, Jan 16, 2012 at 7:40 AM, Gene <gene.ress...@gmail.com> wrote:
> > > Which language?
> >
> > > On Jan 15, 8:23 pm, Ashish Goel <ashg...@gmail.com> wrote:
> > > > Hi,
> >
> > > > given a string in hex, convert it into int.
> > > > Write test cases for the same.
> >
> > > > Best Regards
> > > > Ashish Goel
> > > > "Think positive and find fuel in failure"
> > > > +919985813081
> > > > +919966006652
> >
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