rewrite file opening code using mmap, opening big files is much much faster
rewrite file opening code using mmap, opening big files is much much faster

casimir/kakoune,danielma/kakoune,jjthrash/kakoune,jjthrash/kakoune,jkonecny12/kakoune,elegios/kakoune,zakgreant/kakoune,lenormf/kakoune,ekie/kakoune,elegios/kakoune,zakgreant/kakoune,alexherbo2/kakoune,danielma/kakoune,alpha123/kakoune,casimir/kakoune,flavius/kakoune,zakgreant/kakoune,elegios/kakoune,lenormf/kakoune,xificurC/kakoune,jkonecny12/kakoune,xificurC/kakoune,flavius/kakoune,Somasis/kakoune,lenormf/kakoune,alpha123/kakoune,flavius/kakoune,danielma/kakoune,mawww/kakoune,Asenar/kakoune,casimir/kakoune,Somasis/kakoune,jjthrash/kakoune,alpha123/kakoune,jkonecny12/kakoune,rstacruz/kakoune,Asenar/kakoune,alpha123/kakoune,lenormf/kakoune,mawww/kakoune,occivink/kakoune,danielma/kakoune,rstacruz/kakoune,flavius/kakoune,casimir/kakoune,occivink/kakoune,zakgreant/kakoune,elegios/kakoune,jjthrash/kakoune,Asenar/kakoune,ekie/kakoune,jkonecny12/kakoune,xificurC/kakoune,occivink/kakoune,xificurC/kakoune,Somasis/kakoune,danr/kakoune,Somasis/kakoune,alexherbo2/kakoune,danr/kakoune,rstacruz/kakoune,occivink/kakoune,alexherbo2/kakoune,danr/kakoune,rstacruz/kakoune,ekie/kakoune,mawww/kakoune,Asenar/kakoune,mawww/kakoune,ekie/kakoune,danr/kakoune,alexherbo2/kakoune