Some bugs in lint
Benson Margulies
benson at phantom.ksr.com
Thu Feb 25 01:00:49 AEST 1988
Here are two bugs and a perhaps bug in 4.3 lint, both demonstrated by
the following trivial source file:
t.c:
bcopy(b1, b2)
register char *b1, *b2;
{
*(((long *)b2)++) = *((long *)b1)++;
}
lint t.c
gives:
t.c:
t.c(4): illegal lhs of assignment operator
t.c(4): illegal lhs of assignment operator
bcopy: variable # of args. t.c(3) :: llib-lc(189)
bcopy multiply declared t.c(3) :: llib-lc(189)
bcopy defined( t.c(3) ), but never used
Bug (1): that lhs is quite valid.
Bug (2): why two copies of the error message?
Bug? (3): to me, it seems wrong that lint reports duplicate definitions
against the library. At very least, there should be a /* SOMETHING */
to suppress this.
Benson I. Margulies Kendall Square Research Corp.
harvard!ksr!benson ksr!benson at harvard.harvard.edu
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