Re: Bug in g++'s int constructor?
Re: Bug in g++'s int constructor?
- Subject: Re: Bug in g++'s int constructor?
- From: Phillip Morelock <email@hidden>
- Date: Thu, 28 Mar 2002 16:42:38 -0800
now maybe i'm being stupid, but
why don't u just
int sum = 0;
??
cheers
fillup
On 3/28/02 2:42 PM, "Mark" <email@hidden> wrote:
>
Hi everyone,
>
>
Please excuse me if this is off topic for this list, I really didn't
>
know where else to post it, aside for maybe darwin-dev or whatnot.
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I believe I have inadvertently discovered a bug in g++. ( 2.95 I
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believe, stock OS 10.1.3 with most recent dev tools installed )
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The int constructor is only initializing an int to 0 in a member
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function on the first run of that function. All calls to that function,
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after the initial, get the SAME value that the int had when running the
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member function the first time through.
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i.e. this is what happened to me...
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On the first run insert works perfectly, next time its called sum was
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reallocated in the same spot with the same value every time. So the
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program would hang, insert would never return true (ITEM was inserted)
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because the sum of everything in the array + ITEM would ALWAYS be
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greater then CAPACITY.
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>
bool bag::insert( const int ITEM )
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{
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int sum;
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for( x = 0; x <= ARRAY_INDEX; x++ )
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{
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sum += data[x];
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}
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if( (sum + ITEM) <= CAPACITY )
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{
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data[ ARRAY_INDEX ] = ITEM;
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ARRAY_INDEX++;
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return ( true );
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}
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else
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return ( false );
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}
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Granted just changing int sum; to int sum = 0; fixes the problem, but
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doesn't change the fact that this is a bug.
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To the point, has anyone else discovered this? Filled a bug report?
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Should I?
>
>
thanks for your time,
>
- Mark.
>
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