1 files changed, 58 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/sup_fs_next_token.c b/cpukit/libcsupport/src/sup_fs_next_token.c
new file mode 100644
index 0000000000..451d81bbfe
--- /dev/null
+++ b/cpukit/libcsupport/src/sup_fs_next_token.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2012 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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.
+ */
+
+#if HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <rtems/libio_.h>
+
+void rtems_filesystem_eval_path_eat_delimiter(
+  rtems_filesystem_eval_path_context_t *ctx
+)
+{
+  const char *current = ctx->path;
+  const char *end = current + ctx->pathlen;
+
+  while (current != end && rtems_filesystem_is_delimiter(*current)) {
+    ++current;
+  }
+
+  ctx->path = current;
+  ctx->pathlen = (size_t) (end - current);
+}
+
+static void next_token(rtems_filesystem_eval_path_context_t *ctx)
+{
+  const char *begin = ctx->path;
+  const char *end = begin + ctx->pathlen;
+  const char *current = begin;
+
+  while (current != end && !rtems_filesystem_is_delimiter(*current)) {
+    ++current;
+  }
+
+  ctx->path = current;
+  ctx->pathlen = (size_t) (end - current);
+  ctx->token = begin;
+  ctx->tokenlen = (size_t) (current - begin);
+}
+
+void rtems_filesystem_eval_path_next_token(
+  rtems_filesystem_eval_path_context_t *ctx
+)
+{
+  rtems_filesystem_eval_path_eat_delimiter(ctx);
+  next_token(ctx);
+}