Re: [C400-L] Ebcdic2ascii

["Beppe Costagliola" <beppecosta@xxxxxxxx>]

> Compiles fine - no problem. V4R5.

But problems at V5R2:

   19       !void funct(char *dest, const char *srce, size_t count)
   20       !à
   21     1 !  while(count-- != 0)
===========>
........a...............................................................
*=GRAVE==========> a - CZM0025  L'operando deve essere un lvalue
modificabile.
   22       !  à
   23     2 !    *dest++ = 256 - (*srce++) ;
   24       !  è


----- Original Message ----- 
From: "Jevgeni Astanovski" <J.Astanovski@xxxxxxxxxxxx>
To: "C programming iSeries / AS400" <c400-l@xxxxxxxxxxxx>
Sent: Wednesday, August 18, 2004 12:44 PM
Subject: RE: [C400-L] Ebcdic2ascii


> #include <stdio.h>
> #include <stdlib.h>
>
> typedef int tsize_t;
>
> void funct(char *dest, const char *srce, size_t count) ;
>
> int main()
> {
>   tsize_t size ;
>   int count ;
>   char *buf ;
>
>   funct(buf, buf, (size_t) size) ;
>
>   return(1) ;
> }
>
> void funct(char *dest, const char *srce, size_t count)
> {
>   while(count-- != 0)
>   {
>     *dest++ = 256 - (*srce++) ;
>   }
> }
>
> I think, that this is more or less the same, as yours.
> Plane copy-paste from source file.
> Compiles fine - no problem. V4R5.
>
>
> > -----Original Message-----
> > From: Beppe Costagliola [mailto:beppecosta@xxxxxxxx]
> > Sent: Wednesday, August 18, 2004 12:04 PM
> > To: C programming iSeries / AS400
> > Subject: Re: [C400-L] Ebcdic2ascii
> >
> >
> > tsize_t is defined in tiffio.h with a note:
> >
> > * NB: tsize_t is int32 and not uint32 because some functions
> > *     return -1.
> > typedef int32 tsize_t;          /* i/o size in bytes */
> >
> > I changed the code to decrement count separately and I solved
> > the problem
> > but I was just wondering why it compiles fine on PC and fails on AS.
> >
> >
> > ----- Original Message ----- 
> > From: "Jevgeni Astanovski" <J.Astanovski@xxxxxxxxxxxx>
> > To: "C programming iSeries / AS400" <c400-l@xxxxxxxxxxxx>
> > Sent: Wednesday, August 18, 2004 10:25 AM
> > Subject: RE: [C400-L] Ebcdic2ascii
> >
> >
> > > Just curious, Beppe, where in headers is tsize_t defined? I
> > failed to find
> > it...
> > > The same with tlong and thandle_t.
> > > Wanted to test your program piece :-(
> > >
> > > Jevgeni.
> > >
> > > > -----Original Message-----
> > > > From: Beppe Costagliola [mailto:beppecosta@xxxxxxxx]
> > > > Sent: Tuesday, August 17, 2004 12:29 PM
> > > > To: c400-l@xxxxxxxxxxxx
> > > > Subject: [C400-L] Ebcdic2ascii
> > > >
> > > >
> > > > I'm trying to modify an existing module and add some code to
> > > > convert to ascii before writing to file.
> > > >
> > > > This is the code:
> > > >
> > > > ==========
> > > >
> > > > /* ebcdic-to-ascii */
> > > >
> > > > void ebcdic2ascii(char *dest, const char *srce, size_t
> > > > count);
> > > > const unsigned char toascii[256] = {
> > > >
> > > >  0x00, 0x01, 0x02, 0x03, 0x85, 0x09, 0x86, 0x7f . . . .
> > > > . . . .
> > > > static tsize_t
> > > > _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
> > > > {
> > > >         tlong count = size;
> > > >         ebcdic2ascii(buf, buf, count);
> > > >         return ((tsize_t) write((int) fd, buf, (size_t) size));
> > > > }
> > > > . . . . .
> > > > void
> > > > ebcdic2ascii(char *dest, const char *srce, size_t count)
> > > > {
> > > >         while (count-- |= 0) {
> > > >                 *dest++ = toascii[*srce++];
> > > >         }
> > > > }
> > > >
> > > > ===============
> > > >
> > > > when I compile I get the error: CZM0025  the operand must be
> > > > a lvalue modifiable
> > > >
> > > > What's wrong ?
> > > >
> > > > Thanks for help.
> > > >
> > > >
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