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- devfs = {}
- devfs.files = {}
- devfs.fds = {}
- devfs.nextfd = 0
- devfs.component = {}
-
- local function rfalse()
- return false
- end
- local function rzero()
- return 0
- end
- function devfs.component.getLabel()
- return "devfs"
- end
- devfs.component.spaceUsed, devfs.component.spaceTotal, devfs.component.isReadOnly, devfs.component.isDirectory,devfs.component.size, devfs.component.setLabel = rzero, rzero, rfalse, rfalse, rzero, rfalse
-
- function devfs.component.exists(fname)
- return devfs.files[fname] ~= nil
- end
-
- function devfs.component.list()
- local t = {}
- for k,v in pairs(devfs.files) do
- t[#t+1] = k
- end
- return t
- end
-
- function devfs.component.open(fname, mode)
- fname=fname:gsub("/","")
- if devfs.files[fname] then
- local r,w,c,s = devfs.files[fname](mode)
- devfs.fds[devfs.nextfd] = {["read"]=r or rfalse,["write"]=w or rfalse,["seek"]=s or rfalse,["close"]=c or rfalse}
- devfs.nextfd = devfs.nextfd + 1
- return devfs.nextfd - 1
- end
- return false
- end
-
- function devfs.component.read(fd,count)
- if devfs.fds[fd] then
- return devfs.fds[fd].read(count)
- end
- end
- function devfs.component.write(fd,data)
- if devfs.fds[fd] then
- return devfs.fds[fd].write(data)
- end
- end
- function devfs.component.close(fd)
- if devfs.fds[fd] then
- devfs.fds[fd].close()
- end
- devfs.fds[fd] = nil
- end
- function devfs.component.seek(fd,...)
- if devfs.fds[fd] then
- return devfs.fds[fd].seek(...)
- end
- end
- function devfs.component.remove(fname)
- end
- devfs.component.address = "devfs"
- devfs.component.type = "devfs"
-
- function devfs.register(fname,fopen) -- string function -- -- Register a new devfs node with the name *fname* that will run the function *fopen* when opened. This function should return a function for read, a function for write, function for close, and optionally, a function for seek, in that order.
- devfs.files[fname] = fopen
- end
-
- fs.makeDirectory("/dev")
- fs.mount("/dev",devfs.component)
-
- --#include "module/devfs/null.lua"
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