From: joy <gracecott@sancharnet.in>
To: Glynn Clements <glynn.clements@virgin.net>
Cc: linux-c-programming@vger.kernel.org
Subject: Re: problem in open sys call
Date: Wed, 21 Apr 2004 14:30:00 +0530 [thread overview]
Message-ID: <40863810.4000500@sancharnet.in> (raw)
In-Reply-To: 16517.33454.650019.399163@cerise.nosuchdomain.co.uk
Glynn Clements wrote:
>joy wrote:
>
>
>
>>I have a small prblem i the open call. it fails every time and I dont
>>know why.
>>
>>
>
>
>
>>const char opcode[]="opcode.sheet";
>>
>>
>
>
>
>> char buff[8192],temp[10],bin=0,opcode[3];
>>
>>
>==> ^^^^^^
>
>
>
>> if((fd=open(opcode, O_RDONLY))==-1)
>> printf("oops");
>>
>>
thanks a lot, Glynn. I seem to be learning so much but must have
somehow missed the commonsense classes!
>In the open() call, the variable "opcode" refers to the local variable
>of that name, which will be uninitialised, and not the global variable
>which actually contains your filename.
>
>Running your program under strace or a debugger would show that the
>filename which is passed to open() isn't what you are expecting.
>
>
>
next prev parent reply other threads:[~2004-04-21 9:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-20 18:31 problem in open sys call joy
2004-04-20 20:06 ` Glynn Clements
2004-04-21 9:00 ` joy [this message]
2004-04-20 21:35 ` Steven Smith
2004-04-21 6:14 ` Vadiraj C S
-- strict thread matches above, loose matches on Subject: below --
2004-04-20 19:22 Huber, George K RDECOM CERDEC STCD SRI
2004-04-21 9:10 ` joy
2004-04-21 10:08 ` Holger Kiehl
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