thanx richard
Regards,
Tan Kuan Eeik
[EMAIL PROTECTED]
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf
> Of Richard
> Burmeister
>
>
> > From: Tan Kuan Eeik
> >
> > The reason i pass both the Char* and MemHandle is to enable me to
> > resize it in hexdump .... for experimental purpose...
> >
>
> So, here is the same code rewritten to pass in an unlocked
> handle instead of
> a pointer. Use whichever version you want. (This is the
> last time I'm
> going to write this code for you.)
>
> // My version of hexdump, without hextxt or slen params.
> // Creates a hex version of stxt, and returns it in hexHandle.
> static void hexdump2(Char* stxt, MemHandle hexHandle)
> {
> MemHandle hhnd;
> Char* htxt, *hextxt;
> Int16 i, slen;
> Char hs[] = "0123456789ABCDEF";
>
> if (!stxt || StrLen(stxt) == 0)
> { // just copy '\0'
> hextxt = (Char *)MemHandleLock(hexHandle);
> StrCopy(hextxt, "");
> MemHandleUnlock(hhnd);
> }
> else
> {
> // allocate enough memory for the string and lock it
> slen = StrLen(stxt);
> hhnd = MemHandleNew(3*(slen+1));
> htxt = (Char *)MemHandleLock(hhnd);
>
> // build the hex string
> for(i=0;i<slen;++i) {
> htxt[3*i] = hs[((unsigned char)stxt[i])>>4];
> htxt[3*i+1] = hs[((unsigned char)stxt[i])&15];
> htxt[3*i+2] = ' ';
> }
> htxt[3*slen-1] = '\0';
>
> // resize hexHandle, get a pointer to it, and copy the string
> MemHandleResize(hexHandle, 3*(slen+1));
> hextxt = (Char *)MemHandleLock(hexHandle);
> StrCopy(hextxt, htxt);
>
> // clean up
> MemHandleUnlock(hhnd);
> MemHandleFree(hhnd);
> MemHandleUnlock(hexHandle);
> }
> }
>
> // code to call hexdump2
> static void myTest2(void)
> {
> Char *phtxt, *ptxt;
> UInt16 plen;
> MemHandle phandle;
>
> ptxt = "123456789";
>
> // get space for the hex string
> plen = StrLen(ptxt);
> phandle = MemHandleNew(plen*3+1);
>
> hexdump2(ptxt, phandle);
>
> phtxt = MemHandleLock(phandle);
> FrmCustomAlert(MyAlertAlert, "crypto() - 5", ptxt, " ");
> FrmCustomAlert(MyAlertAlert,"crypto() - 10", " ", phtxt);
> MemHandleUnlock(phandle);
> MemHandleFree(phandle);
> }
>
>
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