[GRASS5] [bug #1023] (grass) v.extract again

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this bug's URL: http://intevation.de/rt/webrt?serial_num=1023
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Neteler:

I'm need v.extract again and it doesn't work.

I think that the problems are:

int cat_array[5000]; declare array of 5000 cat

but all the loop's like

for (i = 0; listopt->answers[i]; i++)
{
 scan_names (&cats, listopt->answers[i], &x);
 cat_array[cat_index] = x;
 cat_index++; 
}

or

while (1)
{
  if (!fgets (buffr, 39, in)) break;
  sscanf (buffr, "%[a-zA-Z., -_/$%@!#0-9]", text); 
  /*sscanf (buffr, "%s", text); */
  /*scan %s stops at whitespace?*/
  scan_names (&cats, text, &x);
  cat_array[cat_index] = x;
  cat_index++; 
}

or

while (x <= y)
{
 cat_array[cat_index] = x++;
 cat_index++; 
} 

and others don't check the max of the cat_array array (5000). I'm working with a small area of my country (I'm live at Uruguay a small country in South America).  I have more than 5000 lines to extract then I recieve segmentation fault message. I think put categories to extract in a array It's a bad idea.

To set the number of categories the program use 
 recd = pcats->num;
I think this is the numbrer of the max. categorie, but not number of categories. The code must be:
 recd = pcats->ncats;
I debug another errors but I don't now what happend yet.
I don't have to much time to fix this errors (I'm a Civil Environment-Hydraulic Engineer not a programmer) but I'll try.
Thank you for your time. Fernando Pacheco.           
P.D. -> Since 01/May/2002 where are mirror site of grass at http://www.dinama.gub.uy/grass/.


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Date: Mon, 8 Apr 2002 10:28:50 -0300
From: "Ing. Civil H/A Fernando Pacheco" <fpacheco at dinama.gub.uy>
To: neteler at itc.it
Subject: v.extract again
Message-Id: <20020408102850.2facf838.fpacheco at dinama.gub.uy>
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