1 files changed, 80 insertions, 0 deletions
diff --git a/db2/os/os_stat.c b/db2/os/os_stat.c
new file mode 100644
index 0000000000..ee84ab0588
--- /dev/null
+++ b/db2/os/os_stat.c
@@ -0,0 +1,80 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_stat.c	10.8 (Sleepycat) 10/25/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <string.h>
+#endif
+
+#include "db_int.h"
+#include "common_ext.h"
+
+/*
+ * __os_exists --
+ *	Return if the file exists.
+ *
+ * PUBLIC: int __os_exists __P((const char *, int *));
+ */
+int
+__os_exists(path, isdirp)
+	const char *path;
+	int *isdirp;
+{
+	struct stat sb;
+
+	if (stat(path, &sb) != 0)
+		return (errno);
+	if (isdirp != NULL)
+		*isdirp = S_ISDIR(sb.st_mode);
+	return (0);
+}
+
+/*
+ * __os_ioinfo --
+ *	Return file size and I/O size; abstracted to make it easier
+ *	to replace.
+ *
+ * PUBLIC: int __os_ioinfo __P((const char *, int, off_t *, off_t *));
+ */
+int
+__os_ioinfo(path, fd, sizep, iop)
+	const char *path;
+	int fd;
+	off_t *sizep, *iop;
+{
+	struct stat sb;
+
+	if (fstat(fd, &sb) == -1)
+		return (errno);
+
+	/* Return the size of the file. */
+	if (sizep != NULL)
+		*sizep = sb.st_size;
+
+	/*
+	 * Return the underlying filesystem blocksize, if available.  Default
+	 * to 8K on the grounds that most OS's use less than 8K as their VM
+	 * page size.
+	 */
+#ifdef HAVE_ST_BLKSIZE
+	if (iop != NULL)
+		*iop = sb.st_blksize;
+#else
+	if (iop != NULL)
+		*iop = 8 * 1024;
+#endif
+	return (0);
+}