mirror of https://github.com/octoleo/lsyncd.git
57 lines
1.3 KiB
Lua
Executable File
57 lines
1.3 KiB
Lua
Executable File
--============================================================================
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-- bin2carray.lua
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--
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-- License: GPLv2 (see COPYING) or any later version
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--
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-- Authors: Axel Kittenberger <axkibe@gmail.com>
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--
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-- Transforms a binary file (the compiled lsyncd luacode) in a c array
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-- so it can be included into the executable in a portable way.
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--
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--============================================================================
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if #arg < 3
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then
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error( 'Usage: '..arg[ 0 ]..' [infile] [varname] [outfile]' )
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end
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fin, err = io.open( arg[ 1 ], 'rb' )
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if fin == nil
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then
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error( 'Cannot open "'..arg[ 1 ]..'" for reading: '..err )
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end
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fout, err = io.open( arg[ 3 ], 'w' )
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if fout == nil
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then
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error( 'Cannot open "'..arg[ 3 ]..'"for writing: '..err )
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end
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fout:write( '/* created by '..arg[ 0 ]..' from file '..arg[ 1 ]..' */\n')
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fout:write( '#include <stddef.h>\n' )
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fout:write( 'const char '..arg[ 2 ]..'_out[] = {\n' )
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while true
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do
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local block = fin:read( 16 )
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if block == nil then break end
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for i = 1, #block
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do
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local val = string.format( '%x', block:byte( i ) )
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if #val < 2 then val = "0" ..val end
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fout:write( "0x", val, "," )
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end
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fout:write( '\n' )
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end
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fout:write( '};\n\nsize_t '..arg[ 2 ]..'_size = sizeof('..arg[ 2 ]..'_out);\n' );
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fin:close( );
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fout:close( );
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