Am 04.02.19 um 11:38 schrieb Johannes Schindelin: > On Mon, 4 Feb 2019, Johannes Sixt wrote: > >> Am 03.02.19 um 17:51 schrieb Johannes Sixt: >>> strbuf_vinsertf inserts a formatted string in the middle of an existing >>> strbuf value. >> >> Quite frankly, this is a really unusual operation, and I'd prefer to get >> rid of it. There is only one call, and it looks like it only wants to be >> lazy and save one strbuf variable. > > The only reason why there are not more callers is that I did not convert > any of the appropriate places. We have quite a few places where we > allocate a new strbuf for the sole purpose of formatting something that is > then inserted into an already existing strbuf (possibly extending the > buffer, which might require a move of the buffer just because that > temporary strbuf is in the way). > > It does not sound like good practice to me to allocate things left and > right, only to reallocate something that was just allocated anyway and to > copy things into that and then release things left and right.
I prefer separation of concerns at the expense of a bit of resource consumption that is not measurable. But that is the only argument that I have. -- Hannes
