29 lines
676 B
Plaintext
29 lines
676 B
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_platform
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#define tools_platform
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// We do not byteswap on intel (LE) (common platform).
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// We have then a better compression on these machines.
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// NOTE : this is the contrary to what is done in ROOT (and Rio).
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namespace tools {
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inline bool is_little_endian() {
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unsigned int i = 1;
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unsigned char* b = (unsigned char*)&i;
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// BE = Big Endian, LE = Little Endian.
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// The Intels x86 are LE.
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// Mac PPC b[3] is 1 (BE)
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// Mac Intel b[0] is 1 (LE)
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// Linux i386 b[0] is 1 (LE)
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// Linux x86_64 b[0] is 1 (LE)
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return (b[0]==1?true:false);
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}
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}
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#endif
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