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Path: utzoo!utgpu!water!watnot!watmath!clyde!rutgers!brl-adm!adm!sefunix%sefe.decnet@nwc-143b.arpa
From: sefunix%sefe.decnet@nwc-143b.arpa
Newsgroups: comp.unix.wizards
Subject: Possible Bug in BSD
Message-ID: <4685@brl-adm.ARPA>
Date: Wed, 25-Feb-87 17:46:42 EST
Article-I.D.: brl-adm.4685
Posted: Wed Feb 25 17:46:42 1987
Date-Received: Fri, 27-Feb-87 23:26:23 EST
Sender: news@brl-adm.ARPA
Lines: 47

We have run into a little problem on both Ultrix-32m (DEC microvax)
and MT. Xinu 4.3BSD on a DEC microvax. Can someone try this program
on their system and see if they also get a segmentation violation
on the fopen of argv[1]. 

And if so, why?

#include <stdio.h>

struct abc
{
	short Red;
	short Green;
	short Blue;
	short Alpha;
};

main (argc, argv)
int argc; 
char **argv;
{
	FILE *f1, *fopen();

	struct abc point[151][451];

	if (argc !=2)
	{
	   puts("\n Usage: InputFileName \n");
	   exit(1);
	}

	if((f1 = fopen(argv[1], "r")) == NULL )
	{
	   printf("I can't open %s\n", argv[1]);
	   exit(1);
	}

	fclose(f1);
}

-------------------------------------------------------------

Thanks,
	Gene Guglielmo
        Naval Weapons Center
	sefunix@nwc-143b
------