Xref: news-dnh.mv.net comp.os.msdos.djgpp:1617
Path: news-dnh.mv.net!mv!news.sprintlink.net!newsfeed.internetmci.com!info.ucla.edu!news.ucdavis.edu!wheel!elric
From: elric AT wheel DOT dcn DOT davis DOT ca DOT us (Jeffrey Taylor)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: BUG IN V2??
Date: 17 Aug 1995 23:11:29 GMT
Organization: Davis Community Network - Davis, California, USA
Lines: 31
References: <DDBHEv DOT HFu AT jade DOT mv DOT net>
Nntp-Posting-Host: wheel.dcn.davis.ca.us
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Dj-Gateway: from newsgroup comp.os.msdos.djgpp

Is there any requirement for argv[1] to be dereferencable if argc == 1?  
If this were my program, I would guess I had gotten lucky on the OS and 
check before I call fopen.

Bora Ertung (bertung AT gab DOT unt DOT edu) wrote:
: main(int argc,char **argv)
: {
:  FILE *yyin;
:  yyin=fopen(argv[1],"r");
:  if(!yyin)exit(0);
: }

: Lets assume that our program' name is test. When we
: just enter 
: c:\>test
: Abort!

: wowww..It is not suppose to be a bug at all. Because it works fine with
: gcc for unix. But, 'fopen' may return 'null' if 'filename' is 'null'
:  instead of saying 'Abort!' because of the 'null' filename.
: And of course it is pretty logical to catch null pointer assingments.
: But, It was working with official version of the djgpp.May be I am just 
: dreaming.

: Bora

--
============================================
Without my guitar, I am a poet without arms.
                        - Michael Bloomfield
============================================