Addition: [perl-win32-gui-hackers] safemalloc() not safe?

[Stephen P. <Ste...@uc...>]

Regular malloc seems to fail too. This is now really confusing.

Steve

> -----Original Message-----
> From: per...@li...
> [mailto:per...@li...]On=20
> Behalf Of
> Stephen Pick
> Sent: 16 February 2004 12:14
> To: Win32 GUI Hackers (E-mail)
> Subject: [perl-win32-gui-hackers] safemalloc() not safe?
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>=20
> Hi,
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> Firstly - what on earth is safemalloc()? It seems to be=20
> documented in old patches to the perl 5.005 API, but not since then.
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> Secondly - safemalloc() seems to fail when reserving space=20
> for text label strings in the InsertItem function of=20
> TreeView.xs. The samples/pmx.pl file distributed with the=20
> Win32::GUI 665 PPM is a good example of the crash, just=20
> comment out "use blib" at the start. It probably won't crash=20
> on your machine (since I'm guessing this is dependent on=20
> circumstance).
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> The crash varies. Sometimes it is a null pointer assignment=20
> (memory at "0x0000000" could not be "written"). Sometimes it=20
> is an access violation. I don't understand why safefree is=20
> doing this, it's only allocating 3 or 4 bytes of RAM so it's=20
> not like that's a problem. The line is:
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> pszText =3D (LPSTR) safemalloc(tlen);
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> tlen is defined OK.
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> Is there something that we should be using instead of=20
> safemalloc() because safemalloc does not appear to be safe.
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> Steve
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>=20
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>=20