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Diffstat (limited to 'REORG.TODO/string/byteswap.h')
-rw-r--r-- | REORG.TODO/string/byteswap.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/REORG.TODO/string/byteswap.h b/REORG.TODO/string/byteswap.h new file mode 100644 index 0000000000..4ec8ac7713 --- /dev/null +++ b/REORG.TODO/string/byteswap.h @@ -0,0 +1,39 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _BYTESWAP_H +#define _BYTESWAP_H 1 + +#include <features.h> + +/* Get the machine specific, optimized definitions. */ +#include <bits/byteswap.h> + + +/* The following definitions must all be macros since otherwise some + of the possible optimizations are not possible. */ + +/* Return a value with all bytes in the 16 bit argument swapped. */ +#define bswap_16(x) __bswap_16 (x) + +/* Return a value with all bytes in the 32 bit argument swapped. */ +#define bswap_32(x) __bswap_32 (x) + +/* Return a value with all bytes in the 64 bit argument swapped. */ +#define bswap_64(x) __bswap_64 (x) + +#endif /* byteswap.h */ |