MFC r305365 The bug: $ echo x | awk '/[[:cntrl:]]/' x The NUL character in cntrl class truncates the pattern, and an empty pattern matches anything. The patch skips NUL as a quick fix. PR: 195792 Submitted by: kdrakehp@zoho.com Approved by: bwk@cs.princeton.edu (the author)
stable/10/
stable/10/contrib/one-true-awk/b.c