Re: sscanf broken?

[Andreas Schwab]

matt farnsworth <address@hidden> writes:

|> I expected 'sscanf(src,form,*to...)' to parse like a weak regex; but it
|> doesn't!
|> 
|> consider
|>  sscanf("URL http://svr.any.srv mode/1.1\n", 
|>      "URL http://%s mode/%d.%d", 
|>      &host, &maj, &min); == 3 // ok
|> but 
|>  sscanf("URL http://svr.any.srv/resource mode/1.1\n", 
|>      "URL http://%s/%s mode/%d.%d", 
|>      &host, &res, &maj, &min); == 1 // FAIL
|> and 
|>    sscanf("URL http://svr.any.srv /resource mode/1.1\n", 
|>      "URL http://%s /%s mode/%d.%d", 
|>      &host, &res, &maj, &min); == 4 // ok, but wrong params
|> 
|> thus shown
|>    sscanf requires %s to terminate with a <space>

Yes.

|> but I expected
|>    %s<non-s-char> ==> {break on non-s-char}

No.

|> Is this really standard behaviour?

Yes.

|> Does this suck?

No.  Either use %[^/] or write your own parser.

Andreas.

-- 
Andreas Schwab                                  "And now for something
address@hidden                          completely different."
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