1 files changed, 82 insertions, 0 deletions
diff --git a/db2/os/db_os_abs.c b/db2/os/db_os_abs.c
new file mode 100644
index 0000000000..8795205839
--- /dev/null
+++ b/db2/os/db_os_abs.c
@@ -0,0 +1,82 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)db_os_abs.c	10.5 (Sleepycat) 7/5/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <string.h>
+#endif
+
+#include "db_int.h"
+#include "os_ext.h"
+
+/*
+ * __db_abspath --
+ *	Return if a path is an absolute path.
+ *
+ * PUBLIC: int __db_abspath __P((const char *));
+ */
+int
+__db_abspath(path)
+	const char *path;
+{
+#ifdef _WIN32
+	/*
+	 * !!!
+	 * Check for drive specifications, e.g., "C:".  In addition, the path
+	 * separator used by the win32 DB (PATH_SEPARATOR) is \; look for both
+	 * / and \ since these are user-input paths.
+	 */
+	if (isalpha(path[0]) && path[1] == ':')
+		path += 2;
+	return (path[0] == '/' || path[0] == '\\');
+#else
+#ifdef macintosh
+	/*
+	 * !!!
+	 * Absolute pathnames always start with a volume name, which must be
+	 * followed by a colon, thus they are of the form:
+	 *	volume: or volume:dir1:dir2:file
+	 *
+	 * Relative pathnames are either a single name without colons or a
+	 * path starting with a colon, thus of the form:
+	 *	file or :file or :dir1:dir2:file
+	 */
+	return (strchr(path, ':') != NULL && path[0] != ':');
+#else
+	return (path[0] == '/');
+#endif
+#endif
+}
+
+/*
+ * __db_rpath --
+ *	Return the last path separator in the path or NULL if none found.
+ *
+ * PUBLIC: char *__db_rpath __P((const char *));
+ */
+char *
+__db_rpath(path)
+	const char *path;
+{
+	const char *s, *last;
+
+	last = NULL;
+	if (PATH_SEPARATOR[1] != '\0') {
+		for (s = path; s[0] != '\0'; ++s)
+			if (strchr(PATH_SEPARATOR, s[0]) != NULL)
+				last = s;
+	} else
+		for (s = path; s[0] != '\0'; ++s)
+			if (s[0] == PATH_SEPARATOR[0])
+				last = s;
+	return ((char *)last);
+}