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Re: IDL killer [message #42294 is a reply to message #42199]

Wed, 19 January 2005 14:35

Robert Barnett
Messages: 70
Registered: May 2004

Member

Perhaps we could have a competition to find as many one line killers as
possible.

Here's one, but it's only a 13 liner.

============================================================ ==

I've managed to find an error specific to IDL on Solaris

"SunOS adac9 5.9 Generic sun4u sparc SUNW,Ultra-5_10"

"SunOS adac7 5.9 Generic sun4u sparc SUNW,Ultra-1"

The error occurs in both IDL 6.0 and IDL 6.1 but not in IDL 6.0 on
Windows.

The error occurs when I run the DICOMTEST__TEST1 procedure from the
attached
code.

Running this program results in a core dump of the IDL process.

The problem is related to when I call IDLffDICOM::read as an inherited
method.

If the filename points to a file which does not exist then this will
cause a
segmentation fault (Most likely in the dicom DLM)

This error can be easily avoided by running file_test before
IDLffDICOM::read. Thus, I have managed to avoid this problem.

--

nrb@
Robbie Barnett
imag
Research Assistant
wsahs
Nuclear Medicine & Ultrasound
nsw
Westmead Hospital
gov
Sydney Australia
au
+61 2 9845 7223

; Define the dicomtest class which extends the IDLffDICOM class
pro dicomtest__define
struct = {dicomtest, image: ptr_new(), INHERITS IDLffDICOM }
end

; Define the dicomtest init method
function dicomtest::init
; Return 0 if the superclass did not init
if (NOT (self -> IDLffDICOM::init())) then return, 0
return, 1
end

; This procedure starts and runs the dicomtest wrapper object
pro dicomtest__test1
filename = 'dummyfilename'
help, file_test(filename)
dicom_obj = obj_new('dicomtest')
if (dicom_obj -> read(filename)) then print, 'ok'
end

Attachment: dicomtest__define.pro
(Size: 0.54KB, Downloaded 111 times)

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[Message index]

		IDL killer By: marc schellens[1] on Wed, 19 January 2005 05:23
		Re: IDL killer By: wmconnolley on Fri, 21 January 2005 11:22
		Re: IDL killer By: R.G.Stockwell on Wed, 19 January 2005 16:25
		Re: IDL killer By: R.G.Stockwell on Wed, 19 January 2005 16:11
		Re: IDL killer By: R.G.Stockwell on Wed, 19 January 2005 16:10
		Re: IDL killer By: David Fanning on Wed, 19 January 2005 15:28
		Re: IDL killer By: JD Smith on Wed, 19 January 2005 14:54
		Re: IDL killer By: Robert Barnett on Wed, 19 January 2005 14:35
		Re: IDL killer By: R.G.Stockwell on Wed, 19 January 2005 09:51
		Re: IDL killer By: Paolo Grigis on Wed, 19 January 2005 06:54
		Re: IDL killer By: Ben Panter on Wed, 19 January 2005 05:35
		Re: IDL killer By: David Fanning on Mon, 14 March 2005 08:15
		Re: IDL killer By: marc schellens[1] on Mon, 14 March 2005 07:56
		Re: IDL killer By: Y.T. on Mon, 21 March 2005 13:33
		Re: IDL killer By: David Fanning on Mon, 14 March 2005 05:14
		Re: IDL killer By: Haje Korth on Mon, 14 March 2005 05:06
		Re: IDL killer By: David Fanning on Mon, 21 March 2005 13:38

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