• Eric Blake's avatar
    maintainer-makefile: add syntax check for useless ';;' · 5be8d47e
    Eric Blake authored
    Most instances of ;; in C code are mistakes, where the second
    semicolon is a no-op.  This rule tries to make it easy to flag
    the typos occuring at the end of a statement.  It intentionally
    does not flag for(;;) loops, and misses grammar problems in
    comments if the problem occurs in the middle of the line.
    
    Shell files (including configure.ac and Makefile.am, which can
    contain shell snippets) are too likely to use case statements
    where ;; is legitimate, so those are not scanned.
    
    * top/maint.mk (sc_prohibit_double_semicolon): New rule.
    Signed-off-by: default avatarEric Blake <eblake@redhat.com>
    5be8d47e
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