From:	ovek AT arcticnet DOT no (Ove Kaaven)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: boo hoo. my code crashes.
Date:	Mon, 17 Feb 1997 16:28:28 GMT
Organization:	Vplan Programvare AS
Lines:	32
Message-ID:	<5efi2c$pst$1@troll.powertech.no>
References:	<5e5d6n$fda AT flex DOT uunet DOT pipex DOT com> <5ecmk3$esk$2 AT troll DOT powertech DOT no>
NNTP-Posting-Host:	alwayscold.darkness.arcticnet.no
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

asu1 AT cornell DOT edu (A. Sinan Unur) wrote:

>Ove Kaaven wrote:
>> nikki AT gameboutique DOT co (nikki) wrote:
>> 
>> >int huffman_encode ()
>> >{
>> >        struct node *histogram[NUM_SYMBOL_VALUES];
>> >        struct node *huffman_tree;
>> >        int encoded_stream_length;
>> >        unsigned int i;
>> >printf("a\n");
>> >        /* initialize histogram */
>> >        for (i=0; i<NUM_SYMBOL_VALUES; i++) histogram[i]= (struct node *) NULL;
>> >printf("b\n");
>> >}
>> 
>> "histogram" is a pointer to struct node, but does it point anywhere?
>> I would recommend a malloc() call before writing into void:
>> histogram=malloc(sizeof etc etc);
>
>i would say it is an array of size NUM_SYMBOL_VALUES of pointers to
>struct node.

Really? Hmm... I knew there had to be a reason for my irrational use
of parentheses.

Allright, I tested the code, and it works fine for me. So it probably
only crashes in a larger context (a big program?). A possible stack
overflow? See if increasing stack size might help.

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