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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

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