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authorIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
committerIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
commit3950ffe2a485479f6561c27364d3d7df5a21d124 (patch)
tree468c6e14449d1b1e279222ec32f676b0311917d2 /src/lib/libast/comp/swab.c
downloadksh-upstream.tar.gz
Imported Upstream version 93u+upstream
Diffstat (limited to 'src/lib/libast/comp/swab.c')
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diff --git a/src/lib/libast/comp/swab.c b/src/lib/libast/comp/swab.c
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+++ b/src/lib/libast/comp/swab.c
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+/***********************************************************************
+* *
+* 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