Steve,
You are abusing pointers. Your code should read
void foo()
{
// Verify field attributes
FieldAttrType fldAttr;
FldGetAttributes(fldP, &fldAttr);
-E
> -----Original Message-----
> From: Steve K [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, August 13, 2003 7:25 PM
> To: Palm Developer Forum
> Subject: Re: Palm Emulator
>
>
> In that case, I'm curious what is wrong with this code that
> runs fine on the palm handheld but is rejected by the
> emulator with the following error on line marked with *:
>
> Project (1.0) called SysFatalAlert with the message:
> "Field.c, Line: 7221, NULL parameter".
>
> Is there something wrong with setting fldAttr to NULL before
> calling FldGetAttributes?
>
> void foo()
> {
> // Verify field attributes
> FieldAttrType* fldAttr = NULL;
> FldGetAttributes(fldP, fldAttr);
>
> * if(fldAttr->numeric && (strP[0] < '0' || strP[0] > '9')) {
> // Field is set to numeric only and strP is not a
> numeric value
> // Alert with error beep
> SndPlaySystemSound (sndError);
> return false;
> }
> }
>
> tia,
>
> Steve
>
> "Dave Carrigan" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
>
> On Wed, Aug 13, 2003 at 04:45:28PM -0700, Steve K wrote:
>
> > Why is it that some things run on the palm just fine, however, cause
errors
> > on the Palm emulator? Is the emulator more strict on what you can
> > and cannot do?
>
> Yes, for good reason. The emulator is designed to catch a lot of bugs
> in your code that may not cause problems the device you happen to have
> right now, but might cause problems on other devices or other versions
> of PalmOS. A well-written app will not trigger any errors from the
> emulator.
>
> --
> Dave Carrigan
> Seattle, WA, USA
> [EMAIL PROTECTED] | http://www.rudedog.org/ | ICQ:161669680
> UNIX-Apache-Perl-Linux-Firewalls-LDAP-C-C++-DNS-PalmOS-PostgreSQL-MySQ
> UNIX-Apache-Perl-Linux-Firewalls-LDAP-C-C++L
>
> Dave is currently listening to Crosby, Stills, Nash & Young -
> Shadowland
(American Dream)
>
>
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