klog -pipe does not allow spaces

[Tino Schwarze]

Hi there,
a friend of mine recently figured out that klog -pipe does not accept
spaces within passwords. He hunted the problem down to the use of
scanf() in line 654 of klog.c.

As I not terribly familiar with getchar & Co, I tried the following:
1. use getchar and figure out end-of-line ourself
   - might be non-portable? (weird EOL on some platforms)
2. do not use gets
3. use fgets
   - reads until eol but stores eol in buffer
   - mixing read/fread & co might create problems (is stdio used
	 anywhere else in klog?)
4. use scanf("%198c")
   - reads beyond end-of-line -> reads too much

I think having a space in a password is not very usual but should be
supported.

Thank you in advance! Tino.

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