Imported Upstream version 93u+upstream

1 files changed, 55 insertions, 0 deletions

diff --git a/src/lib/libast/string/modei.c b/src/lib/libast/string/modei.c
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+++ b/src/lib/libast/string/modei.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
+/*
+ * Glenn Fowler
+ * AT&T Bell Laboratories
+ *
+ * mode_t representation support
+ */
+
+#include "modelib.h"
+
+/*
+ * convert external mode to internal
+ *
+ * NOTE: X_IFMT ignored
+ */
+
+#undef	modei
+
+int
+modei(register int x)
+{
+#if _S_IDPERM
+	return(x & X_IPERM);
+#else
+	register int	i;
+	register int	c;
+
+	i = 0;
+	for (c = 0; c < PERMLEN; c += 2)
+		if (x & permmap[c + 1])
+			i |= permmap[c];
+	return(i);
+#endif
+}