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--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, TBOOX Open Source Group.
--
-- @author ruki
-- @file libc.lua
--
-- define module: libc
local libc = libc or {}
-- save original interfaces
libc._malloc = libc._malloc or libc.malloc
libc._free = libc._free or libc.free
libc._memcpy = libc._memcpy or libc.memcpy
libc._memset = libc._memset or libc.memset
-- load modules
local ffi = xmake._LUAJIT and require("ffi")
-- define ffi interfaces
if ffi then
ffi.cdef[[
void* malloc(size_t size);
void free(void* data);
]]
end
function libc.malloc(size)
if ffi then
return ffi.cast("unsigned char*", ffi.C.malloc(size))
else
return libc._malloc(size)
end
end
function libc.free(data)
if ffi then
return ffi.C.free(data)
else
return libc._free(data)
end
end
function libc.memcpy(dst, src, size)
if ffi then
return ffi.copy(dst, src, size)
else
return libc._memcpy(dst, src, size)
end
end
function libc.memset(data, ch, size)
if ffi then
return ffi.fill(data, size, ch)
else
return libc._memset(data, ch, size)
end
end
-- return module: libc
return libc
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