Qualys Security Advisory 00ab5f0b32 proc/whattime.c: Always initialize buf. ...

In the human_readable case; otherwise the strcat() that follows may
append bytes to the previous contents of buf.

Also, slightly enlarge buf, as it was a bit too tight.

Could also replace all sprintf()s with snprintf()s, but all the calls
here output a limited number of characters, so they should be safe.

2018-05-19 07:32:21 +10:00

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