40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/****************************************************************************
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** gmio
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** Copyright Fougue (2 Mar. 2015)
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** contact@fougue.pro
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**
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** This software is a reusable library whose purpose is to provide complete
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** I/O support for various CAD file formats (eg. STL)
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**
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** This software is governed by the CeCILL-B license under French law and
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** abiding by the rules of distribution of free software. You can use,
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** modify and/ or redistribute the software under the terms of the CeCILL-B
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** license as circulated by CEA, CNRS and INRIA at the following URL
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** "http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html".
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****************************************************************************/
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#include "endian.h"
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#include "internal/convert.h"
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#include <string.h>
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typedef union
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{
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uint32_t integer;
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uint8_t bytes[4];
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} gmio_int_bytes_32_convert_t;
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gmio_endianness_t gmio_host_endianness()
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{
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gmio_int_bytes_32_convert_t conv;
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conv.integer = 0x01020408;
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if (conv.bytes[0] == 0x08 && conv.bytes[3] == 0x01)
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return GMIO_ENDIANNESS_LITTLE;
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if (conv.bytes[0] == 0x01 && conv.bytes[3] == 0x08)
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return GMIO_ENDIANNESS_BIG;
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return GMIO_ENDIANNESS_UNKNOWN;
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}
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