On Fri, Nov 25, 2011 at 04:42:53PM -0700, Jean Sacren wrote: > Reinhard Tartler discovered a corner case of calling xfwrite() where the > length of the string is zero. > > Arnaud Lacombe suggested to use assertion for the corner case, as > fwrite(3) is currently used: > > 1) in comment printers. Empty comment are not allowed. > 2) in a callback passed to expr_print(), where the string printed is > either NULL OR non-empty. > 3) in the lexer, auto-generated, and unused. > > I feel using assertion is a good solution: > > 1) It cleanly takes care of the above-mentioned corner case. > 2) It can be easily disabled by defining NDEBUG. > 3) It asserts xfwrite() is simply a wrapper for fwrite(). > > Reported-by: Reinhard Tartler <Reinhard.Tartler@xxxxxxxxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Arnaud Lacombe <lacombar@xxxxxxxxx> > Signed-off-by: Jean Sacren <sakiwit@xxxxxxxxx> Applied to kbuild.git#kconfig. Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html