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elua: free format buffers immediately

This commit is contained in:
Daniel Kolesa 2014-05-09 14:25:23 +01:00 committed by Daniel Kolesa
parent e8b356858b
commit ab05d47d7c
1 changed files with 8 additions and 3 deletions
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11
src/bin/elua/core/util.lua
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@ -204,6 +204,8 @@ local Str_Buf = ffi.metatype("Str_Buf", {
free = function(self) free = function(self)
C.free(self.buf) C.free(self.buf)
self.buf = nil self.buf = nil
self.len = 0
self.cap = 0
end, end,
clear = function(self) clear = function(self)
self.len = 0 self.len = 0
@ -212,8 +214,8 @@ local Str_Buf = ffi.metatype("Str_Buf", {
local oldcap = self.cap local oldcap = self.cap
if oldcap >= newcap then return end if oldcap >= newcap then return end
local buf = C.malloc(newcap) local buf = C.malloc(newcap)
copy(buf, self.buf, self.len) if self.len ~= 0 then copy(buf, self.buf, self.len) end
C.free(self.buf) if self.buf ~= nil then C.free(self.buf) end
self.buf = buf self.buf = buf
self.cap = newcap self.cap = newcap
end, end,
@ -340,7 +342,10 @@ getmetatable("").__mod = function(fmts, params)
end end
c, s = s[0], s + 1 c, s = s[0], s + 1
end end
return tostr(buf) nbuf:free()
local ret = tostr(buf)
buf:free()
return ret
end end
return M return M