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Mail Archives: cygwin/1998/11/06/23:47:33

From: benny AT crocodial DOT de (Benjamin Riefenstahl)
Subject: Re:
6 Nov 1998 23:47:33 -0800 :
Message-ID: <3642D551.3906B2CE.cygnus.gnu-win32@crocodial.de>
References: <3 DOT 0 DOT 1 DOT 32 DOT 19981104215232 DOT 0069df28 AT user DOT rose DOT com>
Mime-Version: 1.0
To: Keith Carscadden <kgc AT user DOT rose DOT com>
Cc: gnu-win32 AT cygnus DOT com

Hi Keith,

Keith Carscadden wrote:
> with STATUS_ACCESS_VIOLATION. I eventually realized that the problem was
> caused by me passing a pointer to a literal (  char *test1 = "123    "; ),
> rather than a pointer to a character array. When I fixed this ( char
> test1[] = "123    "; ), the program ran as expected.
> 
> My question is, why did this run without an error under gdb, when it
> aborted when run under DOS?

To make constant strings read-only they are put into the code segment.
During ordinary runs, the code segmant will be read-only on Win/32. OTOH
gdb needs to be able to change the code to add breakpoints, so under a
debugger the code segment will be writable to allow this.

so long, benny
======================================
Benjamin Riefenstahl (benny AT crocodial DOT de)
Crocodial Communications EntwicklungsGmbH
Ruhrstr. 61, D-22761 Hamburg, Germany
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