Re: problem in open sys call

[joy <gracecott@sancharnet.in>]

Glynn Clements wrote:

>joy wrote:
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>  
>
>>I have a small prblem i the open call. it fails every time and I dont 
>>know why.
>>    
>>
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>>const char opcode[]="opcode.sheet";
>>    
>>
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>>	char buff[8192],temp[10],bin=0,opcode[3];
>>    
>>
>==>	                               ^^^^^^
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>>	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.
>
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