What am I doing wrong? 'illegal constant expression'??

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4 total messages Started by News Reader Sat, 12 Oct 2002 20:56

#927

Author: News Reader
Date: Sat, 12 Oct 2002 20:56

37 lines
1904 bytes

What am I doing wrong here?  I'm using Codewarrior8 on MacOSX.  All
this compiled fine before under Codewarrior7 on MacOSX.
What am I missing?  I'm using CW8's MacOSX target setting (not Apple's
MacOSX).


Error   : illegal constant expression
(included from:
 IOKitLib.h:48
 CGDisplayConfiguration.h:11
 CoreGraphics.h:20
 QD.h:25
 ApplicationServices.h:30
 carbon.h:24
 MgcOpenGLIncludes.h:26
 MgcOpenGLRenderer.h:23
 MgcAglRenderer.h:22
 MgcAglRenderer.cpp:21)
OSMessageNotification.h line 83   unsigned char content[0];

Error   : illegal constant expression
(included from:
 IOKitLib.h:48
 CGDisplayConfiguration.h:11
 CoreGraphics.h:20
 QD.h:25
 ApplicationServices.h:30
 carbon.h:24
 MgcOpenGLIncludes.h:26
 MgcOpenGLRenderer.h:23
 MgcAglRenderer.h:22
 MgcAglRenderer.cpp:21)
OSMessageNotification.h line 93   void * args[0];



I can't have an array of size 1??

Re: What am I doing wrong? 'illegal constant expression'??

#928

Author: Daniel T.
Date: Sat, 12 Oct 2002 23:22

47 lines
2369 bytes

News Reader <nntp@r.us> wrote:

> What am I doing wrong here?  I'm using Codewarrior8 on MacOSX.  All
> this compiled fine before under Codewarrior7 on MacOSX.
> What am I missing?  I'm using CW8's MacOSX target setting (not Apple's
> MacOSX).
> 
> 
> Error   : illegal constant expression
> (included from:
>  IOKitLib.h:48
>  CGDisplayConfiguration.h:11
>  CoreGraphics.h:20
>  QD.h:25
>  ApplicationServices.h:30
>  carbon.h:24
>  MgcOpenGLIncludes.h:26
>  MgcOpenGLRenderer.h:23
>  MgcAglRenderer.h:22
>  MgcAglRenderer.cpp:21)
> OSMessageNotification.h line 83   unsigned char content[0];
> 
> Error   : illegal constant expression
> (included from:
>  IOKitLib.h:48
>  CGDisplayConfiguration.h:11
>  CoreGraphics.h:20
>  QD.h:25
>  ApplicationServices.h:30
>  carbon.h:24
>  MgcOpenGLIncludes.h:26
>  MgcOpenGLRenderer.h:23
>  MgcAglRenderer.h:22
>  MgcAglRenderer.cpp:21)
> OSMessageNotification.h line 93   void * args[0];
> 
> 
> 
> I can't have an array of size 1??

To get an array size of 1 you need to:

unsigned char content[1];

Then you access that element by using:

content[0];

Re: What am I doing wrong? 'illegal constant expression'??

#930

Author: Sean McBride
Date: Tue, 15 Oct 2002 23:22

40 lines
2196 bytes

In article <b80cquo5frrpptgjbg8v0juu5d2dom7hk9@4ax.com>,
 News Reader <nntp@r.us> wrote:

> What am I doing wrong here?  I'm using Codewarrior8 on MacOSX.  All
> this compiled fine before under Codewarrior7 on MacOSX.
> What am I missing?  I'm using CW8's MacOSX target setting (not Apple's
> MacOSX).
> 
> 
> Error   : illegal constant expression
> (included from:
>  IOKitLib.h:48
>  CGDisplayConfiguration.h:11
>  CoreGraphics.h:20
>  QD.h:25
>  ApplicationServices.h:30
>  carbon.h:24
>  MgcOpenGLIncludes.h:26
>  MgcOpenGLRenderer.h:23
>  MgcAglRenderer.h:22
>  MgcAglRenderer.cpp:21)
> OSMessageNotification.h line 83   unsigned char content[0];
> 
> Error   : illegal constant expression
> (included from:
>  IOKitLib.h:48
>  CGDisplayConfiguration.h:11
>  CoreGraphics.h:20
>  QD.h:25
>  ApplicationServices.h:30
>  carbon.h:24
>  MgcOpenGLIncludes.h:26
>  MgcOpenGLRenderer.h:23
>  MgcAglRenderer.h:22
>  MgcAglRenderer.cpp:21)
> OSMessageNotification.h line 93   void * args[0];

I've seen this too.  Some of Apple headers don't complile if CW's 'ANSI 
strict' option is on.  Turning it off should fix these errors.  Apple 
needs to improve their headers, do file a bug with them.

Re: What am I doing wrong? 'illegal constant expression'??

#926

Author: XBoy
Date: Mon, 21 Oct 2002 17:10

45 lines
2619 bytes

Thanks!  That fixed the problems.


"Sean McBride" <cwatson@cam.org> wrote in message
news:cwatson-07AAD6.19220015102002@aeinews.aei.ca...
> In article <b80cquo5frrpptgjbg8v0juu5d2dom7hk9@4ax.com>,
>  News Reader <nntp@r.us> wrote:
>
> > What am I doing wrong here?  I'm using Codewarrior8 on MacOSX.  All
> > this compiled fine before under Codewarrior7 on MacOSX.
> > What am I missing?  I'm using CW8's MacOSX target setting (not Apple's
> > MacOSX).
> >
> >
> > Error   : illegal constant expression
> > (included from:
> >  IOKitLib.h:48
> >  CGDisplayConfiguration.h:11
> >  CoreGraphics.h:20
> >  QD.h:25
> >  ApplicationServices.h:30
> >  carbon.h:24
> >  MgcOpenGLIncludes.h:26
> >  MgcOpenGLRenderer.h:23
> >  MgcAglRenderer.h:22
> >  MgcAglRenderer.cpp:21)
> > OSMessageNotification.h line 83   unsigned char content[0];
> >
> > Error   : illegal constant expression
> > (included from:
> >  IOKitLib.h:48
> >  CGDisplayConfiguration.h:11
> >  CoreGraphics.h:20
> >  QD.h:25
> >  ApplicationServices.h:30
> >  carbon.h:24
> >  MgcOpenGLIncludes.h:26
> >  MgcOpenGLRenderer.h:23
> >  MgcAglRenderer.h:22
> >  MgcAglRenderer.cpp:21)
> > OSMessageNotification.h line 93   void * args[0];
>
> I've seen this too.  Some of Apple headers don't complile if CW's 'ANSI
> strict' option is on.  Turning it off should fix these errors.  Apple
> needs to improve their headers, do file a bug with them.

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