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author | Igor Pashev <pashev.igor@gmail.com> | 2012-06-24 22:28:35 +0000 |
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committer | Igor Pashev <pashev.igor@gmail.com> | 2012-06-24 22:28:35 +0000 |
commit | 3950ffe2a485479f6561c27364d3d7df5a21d124 (patch) | |
tree | 468c6e14449d1b1e279222ec32f676b0311917d2 /src/lib/libast/comp/swab.c | |
download | ksh-upstream.tar.gz |
Imported Upstream version 93u+upstream
Diffstat (limited to 'src/lib/libast/comp/swab.c')
-rw-r--r-- | src/lib/libast/comp/swab.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/lib/libast/comp/swab.c b/src/lib/libast/comp/swab.c new file mode 100644 index 0000000..4bc905d --- /dev/null +++ b/src/lib/libast/comp/swab.c @@ -0,0 +1,60 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1985-2011 AT&T Intellectual Property * +* and is licensed under the * +* Eclipse Public License, Version 1.0 * +* by AT&T Intellectual Property * +* * +* A copy of the License is available at * +* http://www.eclipse.org/org/documents/epl-v10.html * +* (with md5 checksum b35adb5213ca9657e911e9befb180842) * +* * +* Information and Software Systems Research * +* AT&T Research * +* Florham Park NJ * +* * +* Glenn Fowler <gsf@research.att.com> * +* David Korn <dgk@research.att.com> * +* Phong Vo <kpv@research.att.com> * +* * +***********************************************************************/ +#pragma prototyped +/* + * swab implementation + */ + +#if defined(__STDPP__directive) && defined(__STDPP__hide) +__STDPP__directive pragma pp:hide swab +#else +#define swab ______swab +#endif + +#include <ast.h> + +#if defined(__STDPP__directive) && defined(__STDPP__hide) +__STDPP__directive pragma pp:nohide swab +#else +#undef swab +#endif + +#if _lib_swab + +NoN(swab) + +#else + +#include <swap.h> + +#if defined(__EXPORT__) +#define extern __EXPORT__ +#endif + +extern void +swab(const void* src, void* dst, ssize_t n) +{ + if (n > 1) + swapmem(1, src, dst, n & ~1); +} + +#endif |