From: Damian Yerrick <DELCAPSyerricde AT pineight DOT 8mSOFTWARE DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Some error messages when using dialog...
Organization: Pin Eight Software <http://yerricde.tripod.com/binaries/>
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References: <7vuud6$7jg$1 AT baker DOT cc DOT tut DOT fi>
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NNTP-Posting-Date: Fri, 05 Nov 1999 18:10:52 GMT
Distribution: world
Date: Fri, 05 Nov 1999 18:10:52 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

On 5 Nov 1999 15:51:02 GMT,
Forsberg Sakari <zacu AT cc DOT tut DOT fi> wrote:

> Could following error information be a sign that
> my program uses char-arrays or some other
> arrrays over their boundaries?
> 
> I use GUI (DEGUI) and this happens
> when I quit my program (it returns
> to text mode normally because it prints
> credits to it but then it freezes.
> 
> when I press CTRL-C it print this:
> 
> General Protection Fault at eip=00078c93
> eax=002350c0 ebx=00164758 ecx=00164870 edx=003079dc esi=00164870 edi=0008d430
> ebp=001527c0 esp=001527b4 program=C:\OPINNOT\LAAJAOHJ\DI\ILMARI.EXE
> cs: sel=00af  base=80ab2000  limit=001affff
> ds: sel=00b7  base=80ab2000  limit=001affff
> es: sel=00b7  base=80ab2000  limit=001affff
> fs: sel=00c7  base=00000000  limit=0010ffff
> gs: sel=00c7  base=00000000  limit=0010ffff
> ss: sel=00b7  base=80ab2000  limit=001affff
> App stack: [00152a0c..000d2a0c]  Exceptn stack: [000d28ec..000d09ac]
> 
> Call frame traceback EIPs:
>   0x00078c93   _free+247
>   0x00074254   ___builtin_delete+16, line 0 of libgcc2.c
>   0x0001461d   __$_13dialog_object+25
>   0x00077f75   _exit+69
>   0x0007a20d   _int86+2669
>   0x0007a6e9   ___djgpp_traceback_exit+145
>   0x0007a76a   _raise+94
>   0x0002d331   __set_vga_virtual_width+309
>   0x0007a7b6   ___djgpp_exception_processor+26
>   0x001829d0   0x1829d0
>   0x00074254   ___builtin_delete+16, line 0 of libgcc2.c

Top of stack is _free? Almost certainly you are writing past the end
of a malloc'ed array.

--
Damian Yerrick
Visit my web site: http://yerricde.spedia.net/