2010-06-07 Bharath Suri <bharath.s.jois@gmail.com>

	* libcsupport/include/rtems/libio_.h: Removed macros
	rtems_filesystem_is_separator
	rtems_filesystem_get_start_loc
	rtems_filesystem_get_sym_start_loc
	and added them as files under libcsupport/src/

	* libcsupport/src/: Added new files
	libcsupport/src/sup_fs_get_start_loc.c
	libcsupport/src/sup_fs_get_sym_start_loc.c
	libcsupport/src/sup_fs_is_separator.c

	* libcsupport/Makefile.am: Changes to accommodate new
	files under libcsupport/src/

3 files changed, 125 insertions, 0 deletions

diff --git a/cpukit/libcsupport/src/sup_fs_get_start_loc.c b/cpukit/libcsupport/src/sup_fs_get_start_loc.c
new file mode 100644
index 0000000000..89f7efbb0d
--- /dev/null
+++ b/cpukit/libcsupport/src/sup_fs_get_start_loc.c
@@ -0,0 +1,48 @@
+ /**
+ * @file src/sup_fs_get_start_loc.c
+ */
+
+/*
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+/*
+ *  rtems_filesystem_get_start_loc
+ *
+ *  Function to determine if path is absolute or relative
+ *
+ *  Parameters:
+ *
+ *  path : IN  - path to be checked
+ *  index: OUT - 0, if relative, 1 if absolute
+ *  loc  : OUT - location info of root fs if absolute
+ *               location info of current fs if relative
+ *
+ *  Returns: void
+ */
+
+/* Includes */
+
+#include "rtems/libio_.h"
+
+void rtems_filesystem_get_start_loc(const char *path,
+				    int *index,
+				    rtems_filesystem_location_info_t *loc)
+{
+  if (rtems_filesystem_is_separator(path[0])) {
+    *loc = rtems_filesystem_root;
+    *index = 1;
+  }
+  else {
+    *loc = rtems_filesystem_current;
+    *index = 0;
+  }
+}
diff --git a/cpukit/libcsupport/src/sup_fs_get_sym_start_loc.c b/cpukit/libcsupport/src/sup_fs_get_sym_start_loc.c
new file mode 100644
index 0000000000..4bcc964a46
--- /dev/null
+++ b/cpukit/libcsupport/src/sup_fs_get_sym_start_loc.c
@@ -0,0 +1,47 @@
+ /**
+ * @file src/sup_fs_get_sym_start_loc.c
+ */
+
+/*
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+/*
+ *  rtems_filesystem_get_sym_start_loc
+ *
+ *  Function to determine if path is absolute or relative
+ *
+ *  Parameters:
+ *
+ *  path : IN  - path to be checked
+ *  index: OUT - 0, if relative, 1 if absolute
+ *  loc  : OUT - location info of root fs if absolute
+ *               location info of current fs if relative
+ *
+ *  Returns: void
+ */
+
+/* Includes */
+
+#include "rtems/libio_.h"
+  
+void rtems_filesystem_get_sym_start_loc(const char *path,
+					int *index,
+					rtems_filesystem_location_info_t *loc)
+{
+  if (rtems_filesystem_is_separator(path[0])) {
+      *loc = rtems_filesystem_root;
+      *index = 1;
+    }
+    else {
+      *index = 0;
+    }
+}
diff --git a/cpukit/libcsupport/src/sup_fs_is_separator.c b/cpukit/libcsupport/src/sup_fs_is_separator.c
new file mode 100644
index 0000000000..affd606271
--- /dev/null
+++ b/cpukit/libcsupport/src/sup_fs_is_separator.c
@@ -0,0 +1,30 @@
+/**
+ * @file src/sup_fs_is_separator.c
+ */
+
+/*
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+
+/*
+ *  rtems_filesystem_is_separator
+ *
+ *  Function to determine if a character is a path name separator.
+ *  This was originally a macro in libio_.h
+ *
+ *  NOTE:  This function handles MS-DOS and UNIX style names.
+ */
+
+int rtems_filesystem_is_separator(char ch)
+{
+  return ((ch == '/') || (ch == '\\') || (ch == '\0'));
+}