6437624 RFE: Add ksh93 (as /usr/bin/ksh93) and libshell.so to OS/Net

6505835 AST tools and library (libpp) required for creating l10n messages for ksh93
PSARC/2006/550 Korn Shell 93 Integration
PSARC/2006/587 /etc/ksh.kshrc for ksh93
PSARC/2007/035 ksh93 Amendments
Contributed by Roland Mainz <roland.mainz@nrubsig.org>

--HG--
rename : usr/src/lib/libcmd/common/mapfile-vers => deleted_files/usr/src/lib/libcmd/common/mapfile-vers
rename : usr/src/lib/libcmd/common/placeholder.c => deleted_files/usr/src/lib/libcmd/common/placeholder.c

1 files changed, 98 insertions, 0 deletions

diff --git a/usr/src/lib/libast/common/comp/fcntl.c b/usr/src/lib/libast/common/comp/fcntl.c
new file mode 100644
index 0000000000..f1d1a42b70
--- /dev/null
+++ b/usr/src/lib/libast/common/comp/fcntl.c
@@ -0,0 +1,98 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
+*                      and is licensed under the                       *
+*                  Common Public License, Version 1.0                  *
+*                      by AT&T Knowledge Ventures                      *
+*                                                                      *
+*                A copy of the License is available at                 *
+*            http://www.opensource.org/licenses/cpl1.0.txt             *
+*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
+*                                                                      *
+*              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
+
+/*
+ * -last fcntl
+ */
+
+#include <ast.h>
+
+#ifndef fcntl
+
+NoN(fcntl)
+
+#else
+
+#include <ls.h>
+#include <ast_tty.h>
+#include <error.h>
+
+#if F_SETFD >= _ast_F_LOCAL
+#if _sys_filio
+#include <sys/filio.h>
+#endif
+#endif
+
+#if _lib_fcntl
+#undef	fcntl
+extern int	fcntl(int, int, ...);
+#endif
+
+int
+_ast_fcntl(int fd, int op, ...)
+{
+	int		n;
+	int		save_errno;
+	struct stat	st;
+	va_list		ap;
+
+	save_errno = errno;
+	va_start(ap, op);
+	if (op >= _ast_F_LOCAL) switch (op)
+	{
+#if F_DUPFD >= _ast_F_LOCAL
+	case F_DUPFD:
+		n = va_arg(ap, int);
+		op = dup2(fd, n);
+		break;
+#endif
+#if F_GETFL >= _ast_F_LOCAL
+	case F_GETFL:
+		op = fstat(fd, &st);
+		break;
+#endif
+#if F_SETFD >= _ast_F_LOCAL && defined(FIOCLEX)
+	case F_SETFD:
+		n = va_arg(ap, int);
+		op = ioctl(fd, n == FD_CLOEXEC ? FIOCLEX : FIONCLEX, 0);
+		break;
+#endif
+	default:
+		errno = EINVAL;
+		op = -1;
+		break;
+	}
+	else
+#if _lib_fcntl
+	op = fcntl(fd, op, va_arg(ap, int));
+#else
+	{
+		errno = EINVAL;
+		op = -1;
+	}
+#endif
+	va_end(ap);
+	return(op);
+}
+
+#endif