On Thu, Feb 15, 2018 at 10:56:15PM +0100, Rasmus Villemoes wrote: > There is only one instance of grep_source_init(GREP_SOURCE_FILE), and in > that case the path and identifier arguments are equal - not just as > strings, but the same pointer is passed. So we can save some time and > memory by reusing the gs->path = xstrdup_or_null(path) we have already > done as gs->identifier, and changing grep_source_clear accordingly > to avoid a double free.
IMHO this special case is not really worth it, unless we can show that those few bytes saved somehow make a measurable difference in either peak memory or execution speed. -Peff
