and here comes the readdir!

1 files changed, 97 insertions, 0 deletions

diff --git a/sys/lib/libsa/readdir.c b/sys/lib/libsa/readdir.c
new file mode 100644
index 00000000000..5671962ecab
--- /dev/null
+++ b/sys/lib/libsa/readdir.c
@@ -0,0 +1,97 @@
+/*	$OpenBSD: readdir.c,v 1.1 1997/02/16 14:48:06 mickey Exp $	*/
+
+/*
+ * Copyright (c) 1996 Michael Shalayeff
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Michael Shalayeff.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#ifndef NO_READDIR
+
+#include <sys/types.h>
+#define _KERNEL
+#include <sys/fcntl.h>
+#undef _KERNEL
+#include "stand.h"
+
+
+int
+opendir(name)
+	char *name;
+{
+	int fd;
+
+#ifdef __INTERNAL_LIBSA_CREAD
+	if ((fd = oopen(name, O_RDONLY)) >= 0)
+#else
+	if ((fd = open(name, O_RDONLY)) >= 0)
+#endif
+		/* XXX   it's needed for some dirs */
+#ifdef __INTERNAL_LIBSA_CREAD
+		olseek(fd, 0, 0);
+#else
+		lseek(fd, 0, 0);
+#endif
+
+	return fd;
+}
+	
+int
+readdir(fd, dest)
+	int fd;
+	char *dest;
+{
+	register struct open_file *f = &files[fd];
+
+	if ((unsigned)fd >= SOPEN_MAX || !(f->f_flags & F_READ)) {
+		errno = EBADF;
+		return (-1);
+	}
+	if (f->f_flags & F_RAW) {
+		errno = EINVAL;
+		return (-1);
+	}
+	if ((errno = (f->f_ops->readdir)(f, dest)))
+		return (-1);
+
+	return 0;
+}
+
+void
+closedir(fd)
+	int fd;
+{
+#ifdef __INTERNAL_LIBSA_CREAD
+	oclose(fd);
+#else
+	close(fd);
+#endif
+}
+
+#endif /* NO_READDIR */