Imported Upstream version 93u+upstream

1 files changed, 91 insertions, 0 deletions

diff --git a/src/lib/libast/string/fmtperm.c b/src/lib/libast/string/fmtperm.c
new file mode 100644
index 0000000..c10d379
--- /dev/null
+++ b/src/lib/libast/string/fmtperm.c
@@ -0,0 +1,91 @@
+/***********************************************************************
+*                                                                      *
+*               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
+ *
+ * return strperm() expression for perm
+ */
+
+#include <ast.h>
+#include <ls.h>
+
+char*
+fmtperm(register int perm)
+{
+	register char*	s;
+	char*		buf;
+
+	s = buf = fmtbuf(32);
+
+	/*
+	 * u
+	 */
+
+	*s++ = 'u';
+	*s++ = '=';
+	if (perm & S_ISVTX)
+		*s++ = 't';
+	if (perm & S_ISUID)
+		*s++ = 's';
+	if (perm & S_IRUSR)
+		*s++ = 'r';
+	if (perm & S_IWUSR)
+		*s++ = 'w';
+	if (perm & S_IXUSR)
+		*s++ = 'x';
+	if ((perm & (S_ISGID|S_IXGRP)) == S_ISGID)
+		*s++ = 'l';
+
+	/*
+	 * g
+	 */
+
+	*s++ = ',';
+	*s++ = 'g';
+	*s++ = '=';
+	if ((perm & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP))
+		*s++ = 's';
+	if (perm & S_IRGRP)
+		*s++ = 'r';
+	if (perm & S_IWGRP)
+		*s++ = 'w';
+	if (perm & S_IXGRP)
+		*s++ = 'x';
+
+	/*
+	 * o
+	 */
+
+	*s++ = ',';
+	*s++ = 'o';
+	*s++ = '=';
+	if (perm & S_IROTH)
+		*s++ = 'r';
+	if (perm & S_IWOTH)
+		*s++ = 'w';
+	if (perm & S_IXOTH)
+		*s++ = 'x';
+	*s = 0;
+	return buf;
+}