Date: Tue, 12 Mar 1996 15:41:53 +0000
From: "x DOT pons AT cc DOT uab DOT es" <ILGES AT cc DOT uab DOT es>
Subject: Opening more than 45 files (again)
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Message-Id: <01I298P2I6V600Q2G5@cc.uab.es>
Organization: Universitat Autonoma de Barcelona
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; CHARSET=US-ASCII
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Hi,

Some days ago I asked how to open more than 45 files, or how to open
the same file more than 45 times. I did my first trials under
Windows95 (DOS boxes), but not reaching a solution, I have repeated
in DOS 6.2 and in Windows 3.11 (DOS boxes) and the result is the same:
if the FILES parameter is low (for example FILES=10) this is the limit,
but if it is high (for example FILES=200) I receive an error when
opening the the 45th file in DJGPP and the 15th file in TC 2.0.
The 45-15 limit persists in the three evironments (Win95, Win 3.x
and DOS).

I really need to bypass this limit, so any idea will be very much
apreciated. Thank you very much and excuse me for the insistence.
Following is a simple code that produces the problem.

Xavier Pons
/* ------------------------------------------------- */

#include <stdio.h>
#include <stdlib.h>

#define MAX_FILES_TO_OPEN 200

int main (int argc, char * argv[])
{
FILE *pf[MAX_FILES_TO_OPEN];

short int i;

for (i=0; i< MAX_FILES_TO_OPEN; i++)
{
        if ((pf[i]=fopen("c:\\config.sys", "rb"))==NULL)
        {
                printf ("\nCannot open file (index = %hd)", i);
                exit(1);
        }
}
puts ("Success!");

exit (0);
}